Forecast for Lake Superior

000
FZUS63 KMQT 011926
GLFLS 

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
326 PM EDT MON SEP 1 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...29.2 INCH LOW PRESSURE OVER SOUTHERN HUDSON BAY WILL 
MOVE INTO NORTHERN QUEBEC AT 29.0 INCHES ON TUESDAY. EXPECT LARGE 
30.0 INCH HIGH PRESSURE BUILDING ACROSS THE OHIO VALLEY AND MID 
ATLANTIC STATES TUESDAY INTO WEDNESDAY TO BUILD A 29.8 INCH RIDGE 
ACROSS LAKE SUPERIOR. 29.5 INCH LOW PRESSURE ACROSS THE NORTHERN 
PLAINS WEDNESDAY NIGHT WILL PUSH ACROSS ONTARIO AND LAKE SUPERIOR 
THURSDAY NIGHT...BEFORE EXITING ACROSS JAMES BAY ON FRIDAY. LARGE 
30.2 INCH HIGH PRESSURE WILL SLOWLY BUILD ACROSS THE UPPER GREAT 
LAKES FROM THE NORTHERN PLAINS FRIDAY AND SATURDAY.

LSZ162-020330-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
326 PM EDT MON SEP 1 2014 /226 PM CDT MON SEP 1 2014/

.TONIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET. 
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET. 
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF SHOWERS. WAVES BUILDING TO 1 TO 3 FEET. 
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO
2 FEET. 
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BACKING EAST AFTER
MIDNIGHT. PATCHY FOG. SHOWERS LIKELY THROUGH MIDNIGHT...THEN A CHANCE
OF SHOWERS. A CHANCE OF THUNDERSTORMS. WAVES CALM TO 2 FEET.
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET. 
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET. 
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET. 
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS. WAVES CALM TO 2 FEET. 

$$

LSZ263-020330-
LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER ENTRANCE TO PORTAGE
CANAL MI 5NM OFF SHORE TO THE US/CANADIAN BORDER INCLUDING ISLE
ROYALE NATIONAL PARK-
326 PM EDT MON SEP 1 2014

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. PATCHY FOG.
ISOLATED SHOWERS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET. 
.TONIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
AFTER MIDNIGHT. WAVES 1 TO 3 FEET. 
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET. 
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE
OF SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET. 
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET. 
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. PATCHY FOG. SHOWERS
LIKELY THROUGH MIDNIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WAVES CALM TO 2 FEET. 
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS BY MID AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET. 
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A CHANCE OF THUNDERSTORMS THROUGH
MIDNIGHT. A CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO 6 FEET. 
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET. 
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES
BUILDING TO 1 TO 3 FEET. 

$$

LSZ264-020330-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
326 PM EDT MON SEP 1 2014

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. AREAS OF FOG.
ISOLATED SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FEET SUBSIDING
TO 2 TO 4 FEET. 
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 1 TO
3 FEET. 
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. WAVES 1 TO 3 FEET. 
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE
OF SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET. 
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
SHOWERS BY MID AFTERNOON. WAVES CALM TO 2 FEET. 
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF
SHOWERS. PATCHY FOG AFTER MIDNIGHT. WAVES CALM TO 2 FEET. 
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET...THEN
SUBSIDING TO CALM TO 2 FEET. 
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
20 TO 30 KNOTS AFTER MIDNIGHT. PATCHY FOG THROUGH MIDNIGHT. A
CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT. WAVES
BUILDING TO 3 TO 6 FEET. 
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES SUBSIDING TO 1 TO 3 FEET. 
.SATURDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET. 

$$

LSZ265-020330-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
326 PM EDT MON SEP 1 2014

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. ISOLATED
SHOWERS AND THUNDERSTORMS. WAVES CALM TO 2 FEET. 
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET. 
.TUESDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID AFTERNOON. WAVES
CALM TO 2 FEET. 
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET. 
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID AFTERNOON. WAVES
CALM TO 2 FEET. 
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS THROUGH MIDNIGHT. SHOWERS LIKELY AFTER MIDNIGHT. WAVES
CALM TO 2 FEET. 
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET. 
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF THUNDERSTORMS THROUGH
MIDNIGHT. A CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO 5 FEET. 
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES SUBSIDING TO 1 TO 3 FEET. 
.SATURDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET. 

$$

LSZ266-020330-
LAKE SUPERIOR EAST OF A LINE FROM MANITOU ISLAND TO MARQUETTE MI
AND WEST OF A LINE FROM GRAND MARAIS MI TO THE US/CANADIAN BORDER
BEYOND 5NM FROM SHORE-
326 PM EDT MON SEP 1 2014

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. AREAS OF FOG.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS. WAVES 2 TO 4 FEET. 
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. PATCHY FOG. WAVES SUBSIDING
TO 1 TO 3 FEET. 
.TUESDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID AFTERNOON. WAVES
1 TO 3 FEET. 
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET. 
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH BY MID
AFTERNOON. A SLIGHT CHANCE OF SHOWERS BY MID AFTERNOON. WAVES
CALM TO 2 FEET. 
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS THROUGH MIDNIGHT. SHOWERS LIKELY AFTER MIDNIGHT. PATCHY
FOG AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET. 
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. AREAS OF FOG. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET. 
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
15 TO 25 KNOTS AFTER MIDNIGHT. PATCHY FOG THROUGH MIDNIGHT. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 3 TO
6 FEET. 
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH 10 TO
20 KNOTS. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 1 TO
3 FEET. 
.SATURDAY...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET. 

$$

LSZ267-020330-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
326 PM EDT MON SEP 1 2014

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS. PATCHY
FOG. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS. WAVES 1 TO
3 FEET SUBSIDING TO CALM TO 2 FEET. 
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. ISOLATED SHOWERS AND
THUNDERSTORMS THROUGH MIDNIGHT. PATCHY FOG. WAVES BUILDING TO
1 TO 3 FEET. 
.TUESDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST BY MID
AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A SLIGHT CHANCE OF
SHOWERS BY MID AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET. 
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET. 
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET. 
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF
SHOWERS THROUGH MIDNIGHT. SHOWERS LIKELY AFTER MIDNIGHT. PATCHY
FOG AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET. 
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. SHOWERS LIKELY
THROUGH EARLY AFTERNOON...THEN A CHANCE OF SHOWERS. A CHANCE OF
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 3 TO 5 FEET. 
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH 10 TO
20 KNOTS. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 1 TO
3 FEET. 
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST. WAVES
SUBSIDING TO CALM TO 2 FEET. 

$$

LSZ261-020330-
MAFOR 0121/
SUPERIOR WEST 13620 13610 12510. WAVES 1 TO 3 FEET.

SUPERIOR NORTH CENTRAL 11623 13620 12610 11510 11520. ISOLATED
THUNDERSTORMS LATE THIS AFTERNOON AND ISOLATED SHOWERS THIS EVENING.
WAVES 2 TO 4 FEET.

SUPERIOR SOUTH CENTRAL 14620 14610. SCATTERED SHOWERS WITH ISOLATED
THUNDERSTORMS THIS EVENING. WAVES 1 TO 3 FEET.

SUPERIOR EAST 11523 12623 11620 13610 11500. SCATTERED SHOWERS WITH
ISOLATED THUNDERSTORMS THIS EVENING. PATCHY FOG TUESDAY. WAVES 1 TO 4 
FEET.

$$

07


Forecast for Lake Michigan

000
FZUS63 KLOT 011940
GLFLM 

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
240 PM CDT MON SEP 1 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN.

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH
IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG
WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES
WHICH WILL OCCASIONALLY BE ENCOUNTERED.

.SYNOPSIS...LOW PRESSURE OF 29.3 INCHES OVER NORTHERN ONTARIO 
WILL MOVE NORTHEAST TO NORTHERN QUEBEC TUESDAY...AS IT DEEPENS 
TO 29.0 INCHES. A TRAILING COLD FRONT WILL MOVE ACROSS THE LAKE
TONIGHT. A WEAK AREA OF HIGH PRESSURE OF 30.0 INCHES WILL MOVE
ACROSS ILLINOIS AND INDIANA ON TUESDAY...THEN CONTINUE EAST INTO
THE UPPER OHIO VALLEY AND EASTERN LAKES BY WEDNESDAY. ANOTHER 
LOW AROUND 29.5 INCHES WILL DEVELOP OVER THE NORTHERN PLAINS ON
WEDNESDAY...THEN MOVE NORTHEAST INTO ONTARIO THURSDAY AND 
THURSDAY NIGHT. THIS SYSTEM WILL DRIVE ANOTHER...STRONGER COLD
FRONT ACROSS LAKE MICHIGAN ON FRIDAY.

LMZ261-362-364-366-563-565-567-868-020200-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
240 PM CDT MON SEP 1 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST EARLY THIS
EVENING...THEN DIMINISHING TO 10 TO 15 KT OVERNIGHT. CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH MID EVENING. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT OVERNIGHT.
.TUESDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS FROM LATE MORNING ON. WAVES
1 TO 3 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 
KT. WAVES 2 TO 4 FT.
.WEDNESDAY NIGHT...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS 
AND THUNDERSTORMS OVERNIGHT. WAVES 4 TO 6 FT OCCASIONALLY TO 8
FT.
.THURSDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 4 TO 6 FT OCCASIONALLY TO 9 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 
TO 20 KT OVERNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 4
TO 6 FT OCCASIONALLY TO 9 FT.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH 15 TO 25 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.SATURDAY...NORTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-020200-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
240 PM CDT MON SEP 1 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST EARLY THIS 
EVENING...DIMINISHING TO 10 TO 15 KT BY MIDNIGHT...THEN BECOMING
NORTHWEST OVERNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MID EVENING. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 1
TO 3 FT LATE.
.TUESDAY...NORTHWEST WINDS AROUND 10 KT BECOMING SOUTH 5 TO 10 KT
IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. WAVES 1 TO 2 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT. 
.WEDNESDAY NIGHT...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT. 
.THURSDAY...SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.FRIDAY...WEST WINDS 15 TO 25 KT BECOMING NORTH. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT. 
.SATURDAY...NORTH WINDS 15 TO 25 KT. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT.

$$

LMZ761-020200-
MAFOR 0121/
MICHIGAN NORTH 11530 11630 12620 13610 11510. CHANCE OF SHOWERS
AND THUNDERSTORMS THIS EVENING. WAVES 4 TO 6 FT OCCASIONALLY TO 
8 FT SUBSIDING TO 2 TO 4 FT TONIGHT. WAVES 1 TO 3 FT TUESDAY.

MICHIGAN SOUTH 11530 11630 11620 11610 11710 11610 11500 11400.
CHANCE OF SHOWERS AND THUNDERSTORMS THIS EVENING. WAVES 4 TO 6 
FT OCCASIONALLY TO 8 FT SUBSIDING TO 1 TO 3 FT TONIGHT. WAVES 1
TO 2 FT TUESDAY.

$$



Forecast for Lake Huron

000
FZUS63 KDTX 011941
GLFLH 

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
339 PM EDT MON SEP 1 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE HURON

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...LOW PRESSURE...29.40 INCHES...WILL CONTINUE NORTHEAST 
INTO HUDSON BAY TONIGHT. THE ATTACHED COLD FRONT WILL SWING THROUGH 
THE GREAT LAKES TONIGHT. HIGH PRESSURE OF 30.00 INCHES WILL THEN 
FILL IN THROUGH THURSDAY...WITH THE NEXT LOW PRESSURE SYSTEM 
ARRIVING FRIDAY.

LHZ361-020800-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
339 PM EDT MON SEP 1 2014

...SEVERE THUNDERSTORM WATCH 485 IN EFFECT UNTIL 6 PM EDT THIS
EVENING...

.TONIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS...VEERING TO THE WEST BY
MIDNIGHT...THEN INCREASING TO 10 TO 15 KNOTS AFTER MIDNIGHT...
DIMINISHING TO 5 TO 10 KNOTS LATE. SHOWERS AND THUNDERSTORMS
EARLY THIS EVENING...THEN SCATTERED SHOWERS AND THUNDERSTORMS BY
MIDNIGHT. WAVES 1 TO 3 FEET. 
.TUESDAY...WEST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS. 
.TUESDAY NIGHT...WEST WINDS 5 TO 10 KNOTS IN THE EVENING...
BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTH 5 TO 10 KNOTS
LATE. WAVES 2 FEET OR LESS. 
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS...BECOMING LIGHT AND
VARIABLE. WAVES 2 FEET OR LESS. 
.WEDNESDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO
10 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WAVES 2 FEET OR LESS. 
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS...BECOMING SOUTHWEST 10 TO
15 KNOTS. A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS. SHOWERS
LIKELY BY LATE EVENING. WAVES 1 TO 3 FEET...BUILDING TO 2 TO
4 FEET. 
.FRIDAY...NORTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF
THUNDERSTORMS EARLY. A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET. 
.SATURDAY...NORTHWEST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET. 


$$

LHZ362-363-020800-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
339 PM EDT MON SEP 1 2014

...SEVERE THUNDERSTORM WATCH 485 IN EFFECT UNTIL 6 PM EDT THIS
EVENING...

.TONIGHT...SOUTH WINDS 15 TO 20 KNOTS...BECOMING SOUTHWEST 10 TO
15 KNOTS BY MIDNIGHT...THEN BECOMING WEST 5 TO 10 KNOTS LATE.
SCATTERED SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT. WAVES 3 TO
5 FEET...SUBSIDING TO 1 TO 3 FEET LATE. 
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS THROUGH EARLY
AFTERNOON...BECOMING LIGHT AND VARIABLE. WAVES 2 FEET OR LESS. 
.TUESDAY NIGHT...LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST
5 TO 10 KNOTS AFTER MIDNIGHT. WAVES 2 FEET OR LESS. 
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING SOUTH 5 TO
10 KNOTS LATE. WAVES 1 TO 3 FEET. 
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO
5 FEET. 
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST
15 TO 20 KNOTS LATE. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
2 TO 4 FEET. 
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET...
SUBSIDING TO 1 TO 3 FEET LATE. 


$$

LHZ462>464-020800-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
339 PM EDT MON SEP 1 2014

.TONIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO
10 KNOTS LATE. SCATTERED SHOWERS AND THUNDERSTORMS THROUGH
MIDNIGHT. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET LATE. 
.TUESDAY...WEST WINDS 5 TO 10 KNOTS THROUGH EARLY AFTERNOON...
BECOMING LIGHT AND VARIABLE. SCATTERED SHOWERS AND THUNDERSTORMS
THROUGH EARLY AFTERNOON. WAVES 2 FEET OR LESS. 
.TUESDAY NIGHT...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS. 
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS. 
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS...DIMINISHING TO
5 TO 10 KNOTS LATE. WAVES 1 TO 3 FEET. 
.THURSDAY...SOUTH WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS. A
CHANCE OF THUNDERSTORMS BY LATE EVENING. WAVES 1 TO 3 FEET...
BUILDING TO 2 TO 4 FEET. 
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KNOTS...VEERING TO THE
NORTHWEST LATE. SHOWERS LIKELY. A CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET
AFTER MIDNIGHT. 
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. WAVES 2 TO 4 FEET. 


$$

LHZ461-020200-
MAFOR 0121/
HURON NORTH...SEVERE THUNDERSTORM WATCH IN EFFECT...11419 11529
11520 11610 11600 13500. SCATTERED SHOWERS AND THUNDERSTORMS
AFTER MIDNIGHT TONIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET
OVERNIGHT TONIGHT. WAVES 1 TO 3 FEET SUBSIDING TO 2 FEET OR LESS
TUESDAY. 220204. 

HURON SOUTH 11410 13510 12600 11500 11400. SCATTERED SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FEET TONIGHT. WAVES 2 FEET OR LESS
TUESDAY. 220103. 

$$

KURIMSKI/MM

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



Forecast for Lake Erie

000
FZUS61 KCLE 011906
GLFLE 

OPEN LAKE FORECAST FOR LAKE ERIE
NATIONAL WEATHER SERVICE CLEVELAND OH
306 PM EDT MON SEP 1 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ERIE

.SYNOPSIS...A COLD FRONT WILL CROSS LAKE ERIE ON TUESDAY.  HIGH
PRESSURE 30.00 WILL BUILD BACK OVER THE OHIO VALLEY WEDNESDAY AND
THEN MOVE EAST THURSDAY. LOW PRESSURE 29.50 INCHES WILL TRACK FROM
THE NORTHERN LAKES INTO QUEBEC FRIDAY AND DRAG A COLD FRONT ACROSS
THE LAKE EARLY SATURDAY.

LEZ061-162>169-020230-
LAKE ERIE OPEN WATERS FROM RIPLEY TO BUFFALO NY-
LAKE ERIE OPEN WATERS FROM MAUMEE BAY TO RENO BEACH-
LAKE ERIE OPEN WATERS FROM RENO BEACH TO THE ISLANDS-
LAKE ERIE OPEN WATERS FROM THE ISLANDS TO VERMILION-
LAKE ERIE OPEN WATERS FROM VERMILION TO AVON POINT-
LAKE ERIE OPEN WATERS FROM AVON POINT TO WILLOWICK-
LAKE ERIE OPEN WATERS FROM WILLOWICK TO GENEVA-ON-THE-LAKE-
LAKE ERIE OPEN WATERS FROM GENEVA-ON-THE-LAKE TO CONNEAUT-
LAKE ERIE OPEN WATERS FROM CONNEAUT OH TO RIPLEY NY-
306 PM EDT MON SEP 1 2014

.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE EARLY
OVERNIGHT...THEN SHOWERS AND THUNDERSTORMS LIKELY LATE. WAVES
1 TO 3 FEET BUILDING TO 2 TO 4 FEET. 
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS. SHOWERS AND THUNDERSTORMS LIKELY IN THE MORNING...THEN
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET. 
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS DIMINISHING TO 10 KNOTS
OR LESS. WAVES 2 FEET OR LESS. 
.WEDNESDAY...SOUTHWEST WINDS 10 KNOTS OR LESS. WAVES 2 FEET OR
LESS. 
.WEDNESDAY NIGHT...SOUTH WINDS 10 KNOTS OR LESS BECOMING
SOUTHWEST. WAVES 2 FEET OR LESS. 
.THURSDAY...SOUTHWEST WINDS 10 KNOTS OR LESS BECOMING SOUTH 5 TO
15 KNOTS. WAVES 2 FEET OR LESS. 
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH. A CHANCE
OF SHOWERS AND THUNDERSTORMS...THEN SHOWERS AND THUNDERSTORMS
LIKELY. WAVES 1 TO 3 FEET. 
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. WAVES 1 TO 3 FEET. 

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LEZ161-020230-
MAFOR 0121/
ERIE WEST 1/3 12510 11519 11529 11519 11510 11610 11600. A CHANCE
OF SHOWERS AND THUNDERSTORMS THIS EVENING AND TUESDAY AFTERNOON.
WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET TONIGHT. WAVES 2 TO 4
FEET SUBSIDING TO 1 TO 3 FEET TUESDAY. 

ERIE CENTRAL 1/3 13510 11529 11519 11619 11610 11600. A CHANCE OF
SHOWERS AND THUNDERSTORMS THIS EVENING AND TUESDAY AFTERNOON.
WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET TONIGHT. WAVES 2 TO 4
FEET SUBSIDING TO 1 TO 3 FEET TUESDAY. 

ERIE EAST 1/3 11400 11410 12510 11519 11629 12619. A CHANCE OF
SHOWERS AND THUNDERSTORMS THIS EVENING. WAVES 1 FOOT OR LESS
BUILDING TO 1 TO 3 FEET TONIGHT. WAVES 2 TO 4 FEET TUESDAY. 

$$



Forecast for Lake Ontario

000
FZUS61 KBUF 011956
GLFLO 

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
356 PM EDT MON SEP 1 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A WEAK 30.0 INCH HIGH WILL SLIDE ACROSS NEWFOUNDLAND
TONIGHT. THEN A COLD FRONT WILL MOVE ACROSS THE WATERS ON
TUESDAY...FOLLOWED BY A 30.1 INCH HIGH WHICH WILL BUILD INTO THE
OHIO VALLEY WEDNESDAY. THIS HIGH WILL CROSS THE LOWER LAKES AND
THEN MOVE INTO SOUTHERN NEW ENGLAND THURSDAY...BEFORE DRIFTING
INTO THE ATLANTIC ON FRIDAY. ANOTHER COLD FRONT IS FORECAST TO
DROP ACROSS THE WATERS FRIDAY NIGHT.

LOZ062-020315-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
356 PM EDT MON SEP 1 2014

.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST. A CHANCE
OF SHOWERS. WAVES 2 FEET OR LESS. 
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST. A CHANCE
OF SHOWERS AND THUNDERSTORMS LATE IN THE MORNING. SHOWERS AND
THUNDERSTORMS LIKELY IN THE AFTERNOON. WAVES 1 TO 2 FEET. 
.TUESDAY NIGHT...WEST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS IN
THE EVENING. WAVES 1 TO 2 FEET. 
.WEDNESDAY...WEST WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST. WAVES
2 FEET OR LESS. 
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 KNOTS OR LESS. WAVES 1 FOOT
OR LESS. 
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 15 TO
20 KNOTS. WAVES 2 FEET OR LESS. 
.FRIDAY...SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET. 
.SATURDAY...NORTH WINDS 5 TO 10 KNOTS BECOMING NORTHWEST. A
CHANCE OF SHOWERS AND THUNDERSTORMS DURING THE DAY. WAVES 1 TO
3 FEET. 

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-020315-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
356 PM EDT MON SEP 1 2014

.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST. A
CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 2 FEET OR LESS. 
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST. A CHANCE
OF SHOWERS AND THUNDERSTORMS LATE IN THE MORNING. SHOWERS AND
THUNDERSTORMS LIKELY IN THE AFTERNOON. SOME THUNDERSTORMS MAY
PRODUCE GUSTY WINDS IN THE AFTERNOON. WAVES 2 FEET OR LESS. 
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. SHOWERS AND
THUNDERSTORMS LIKELY IN THE EVENING. WAVES 1 TO 3 FEET. 
.WEDNESDAY...WEST WINDS 5 TO 15 KNOTS. WAVES 1 TO 3 FEET. 
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR
LESS. 
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS. WAVES 1 FOOT OR LESS BUILDING TO 1 TO 3 FEET. 
.FRIDAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO
4 FEET. 
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHWEST. A
CHANCE OF SHOWERS AND THUNDERSTORMS DURING THE DAY. WAVES 1 TO
3 FEET. 

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-020315-
MAFOR 0121/
ONTARIO WEST 1/2 11300 11400 11410 13510 12609. A CHANCE OF
SHOWERS OVERNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS TUESDAY
MORNING. WAVES 2 FEET OR LESS. 

ONTARIO EAST 1/2 11300 11400 12410 12510 11509 11609. A CHANCE OF
SHOWERS OVERNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS TUESDAY
MORNING. WAVES 2 FEET OR LESS. 

$$