Forecast for Lake Superior

000
FZUS63 KMQT 221951
GLFLS 

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
351 PM EDT WED OCT 22 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.4 INCH HIGH PRESSURE OVER EASTERN QUEBEC WILL MOVE 
TO THE CANADIAN MARITIMES ON THURSDAY WHILE EXTENDING A RIDGE AXIS 
SOUTHWEST INTO THE CENTRAL GREAT LAKES. MEANWHILE...A 29.6 INCH LOW 
PRESSURE CENTERED OVER LAKE WINNIPEG WILL DRIFT INTO NORTHWEST 
ONTARIO AND DISSIPATE BY FRIDAY. ANOTHER 29.4 INCH LOW PRESSURE OVER 
NORTHERN SASKATCHEWAN ON FRIDAY WILL THEN DRIFT EAST INTO HUDSON BAY 
ON SATURDAY...DRAGGING ITS ATTENDANT COLD FRONT ACROSS THE UPPER 
GREAT LAKES ON FRIDAY NIGHT. IN THE WAKE OF THIS FRONTAL 
PASSAGE...EXPECT A 30.1 INCH HIGH PRESSURE OVER THE NORTHERN PLAINS 
ON SATURDAY TO MOVE TO THE OHIO RIVER VALLEY ON SUNDAY WHILE YET 
ANOTHER 29.4 INCH LOW PRESSURE DEVELOPS IN SOUTH CENTRAL CANADA. 
THIS LOW WILL TRACK EASTWARD...REACHING THE UPPER MISSISSIPPI VALLEY 
BY MONDAY EVENING.

LSZ162-230400-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
351 PM EDT WED OCT 22 2014 /251 PM CDT WED OCT 22 2014/

.LATE THIS AFTERNOON...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES 1 TO
3 FEET SUBSIDING TO CALM TO 2 FEET. 
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS. WAVES
BUILDING TO 1 TO 3 FEET. 
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET. 
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET. 
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET. 
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET. 
.SATURDAY...WEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 3 TO
5 FEET. 
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING
TO 1 TO 3 FEET. 
.SUNDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHEAST. A CHANCE OF
RAIN SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET. 
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING NORTHWEST. A CHANCE
OF RAIN SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING
TO CALM TO 2 FEET. 

$$

LSZ263-230400-
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-
351 PM EDT WED OCT 22 2014

.LATE THIS AFTERNOON...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES 1 TO
3 FEET. 
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES BUILDING
TO 2 TO 4 FEET. 
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET. 
.THURSDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF RAIN SHOWERS THROUGH MIDNIGHT. WAVES CALM TO 2 FEET. 
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS BY MID AFTERNOON. WAVES CALM TO 2 FEET. 
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET. 
.SATURDAY...WEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET. 
.SATURDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET. 
.SUNDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH. WAVES SUBSIDING
TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET. 
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET. 

$$

LSZ264-230400-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
351 PM EDT WED OCT 22 2014

.LATE THIS AFTERNOON...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES 2 TO
4 FEET. 
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET. 
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET. 
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS THROUGH MIDNIGHT.
WAVES SUBSIDING TO CALM TO 2 FEET. 
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. WAVES CALM TO 2 FEET. 
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET. 
.SATURDAY...WEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET. 
.SATURDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 3 TO 5 FEET. 
.SUNDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTH. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET. 
.MONDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. A CHANCE
OF RAIN SHOWERS. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING
TO 2 TO 4 FEET. 

$$

LSZ265-230400-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
351 PM EDT WED OCT 22 2014

.LATE THIS AFTERNOON...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET. 
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO 2 TO 4 FEET. 
.THURSDAY...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET. 
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A CHANCE OF SHOWERS THROUGH MIDNIGHT. WAVES CALM
TO 2 FEET. 
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET. 
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET. 
.SATURDAY...WEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET...THEN
SUBSIDING TO 3 TO 6 FEET. 
.SATURDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 3 TO 5 FEET. 
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTHEAST. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET. 
.MONDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. A CHANCE
OF RAIN SHOWERS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING
TO 1 TO 3 FEET. 

$$

LSZ266-230400-
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-
351 PM EDT WED OCT 22 2014

.LATE THIS AFTERNOON...SOUTHEAST WINDS 5 TO 15 KNOTS. WAVES 2 TO
4 FEET. 
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 3 TO
6 FEET...THEN SUBSIDING TO 3 TO 5 FEET. 
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES SUBSIDING TO 1 TO 3 FEET. 
.THURSDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO CALM
TO 2 FEET. 
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET. 
.FRIDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET. 
.SATURDAY...WEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 7 TO 10 FEET. 
.SATURDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS. WAVES SUBSIDING
TO 4 TO 7 FEET. 
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET. 
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 3 TO
5 FEET...THEN SUBSIDING TO 2 TO 4 FEET. 

$$

LSZ267-230400-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
351 PM EDT WED OCT 22 2014

.LATE THIS AFTERNOON...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES CALM
TO 2 FEET. 
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET. 
.THURSDAY...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF RAIN
SHOWERS BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET. 
.THURSDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET. 
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH BY MID
AFTERNOON. WAVES CALM TO 2 FEET. 
.FRIDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET. 
.SATURDAY...WEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS BY MID AFTERNOON. WAVES BUILDING TO 8 TO 11 FEET. 
.SATURDAY NIGHT...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO
20 TO 30 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 5 TO 8 FEET. 
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET. 
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO 1 TO 3 FEET. 

$$

LSZ261-230400-
MAFOR 2221/
SUPERIOR WEST 12310 14410 11410 11400. CHANCE OF RAIN SHOWERS. WAVES
1 TO 2 FEET. 

SUPERIOR NORTH CENTRAL 12320 14420 12410. SLIGHT CHANCE OF RAIN
SHOWERS OVERNIGHT. CHANCE OF RAIN SHOWERS THURSDAY. WAVES 2 TO
5 FEET.

SUPERIOR SOUTH CENTRAL 11320 11420 12430 13420 11410. CHANCE OF RAIN
SHOWERS THURSDAY. WAVES 2 TO 5 FEET.

SUPERIOR EAST 11310 11320 14420 11420 11310. SLIGHT CHANCE OF RAIN
SHOWERS THURSDAY AFTERNOON. WAVES 1 TO 5 FEET.

$$

JS



Forecast for Lake Michigan

000
FZUS63 KLOT 221922
GLFLM 

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
222 PM CDT WED OCT 22 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...HIGH PRESSURE OF 30.4 INCHES EXTENDED FROM QUEBEC TO
THE WESTERN GREAT LAKES THIS AFTERNOON. THIS RIDGE WILL MOVE EAST 
WHILE WEAKENING TO 30.2 INCHES THURSDAY...WHILE AN AREA OF LOW
PRESSURE OF 29.6 INCHES MOVES ACROSS THE SOUTHERN CANADIAN
PRAIRIES. THE LOW WILL FILL THURSDAY NIGHT AS ANOTHER LOW DEVELOPS
ACROSS SASKATCHEWAN...BUT WILL TRAIL A WEAK TROUGH AVERAGING 30.0
INCHES ACROSS LAKE MICHIGAN LATE THURSDAY NIGHT. HIGH PRESSURE
RIDGING OF 30.1 INCHES WILL REDEVELOP OVER THE LAKE FRIDAY AS THE
CANADIAN LOW DEEPENS TO 29.5 INCHES WHILE IT MOVES EAST TOWARD
JAMES BAY AND TRAILS ANOTHER COLD FRONT ACROSS THE LAKE LATE
FRIDAY NIGHT. THIS LOW WILL CONTINUE TO DEEPEN TO 29.3 INCHES AS
IT MOVES INTO SOUTHERN QUEBEC SATURDAY NIGHT...BEFORE ANOTHER WEAK
AREA OF HIGH PRESSURE OF 30.0 INCHES MOVES ACROSS THE WESTERN
LAKES SUNDAY. LOW PRESSURE OF 29.3 INCHES WILL DEVELOP OVER THE
PLAINS DURING THIS PERIOD...AND WILL LIFT NORTHEAST ACROSS THE
UPPER MIDWEST MONDAY.

LMZ261-362-364-366-563-565-567-868-230415-
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-
222 PM CDT WED OCT 22 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...SOUTHEAST WINDS AROUND 10 KT EARLY BECOMING SOUTH
10 TO 15 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY NIGHT...SOUTH WINDS 15 TO 25 KT EARLY BECOMING WEST AT 
10 TO 20 KT. CHANCE OF SHOWERS IN THE EVENING. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT. 
.FRIDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT. 
.SATURDAY...WEST WINDS 15 TO 25 KT. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT. 
.SATURDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT. A FEW GUSTS TO 30
KT POSSIBLE. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 15 KT
AND BACKING SOUTHWEST. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.MONDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.  

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-230415-
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-
222 PM CDT WED OCT 22 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...SOUTHEAST WINDS 5 TO 10 KT EARLY BECOMING SOUTH 10 TO
15 KT OVERNIGHT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT.
CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KT BECOMING WEST 10 TO
20 KT. SLIGHT CHANCE OF SHOWERS IN THE EVENING. WAVES 2 TO 4 FT. 
.FRIDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES 1 TO
3 FT. 
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST AT 15
TO 25 KT TOWARD MORNING. WAVES 2 TO 4 FT.
.SATURDAY...WEST WINDS 15 TO 25 KT. A FEW GUSTS TO 30 KT POSSIBLE
LATE. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY NIGHT...NORTHWEST WINDS TO 30 KT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT
AND BACKING SOUTH IN THE AFTERNOON. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT IN THE
AFTERNOON.
.MONDAY...SOUTH WINDS TO 30 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.  

$$

LMZ761-230415-
MAFOR 2221/
MICHIGAN NORTH 12300 12410 12420 12430. CHANCE OF SHOWERS THURSDAY.
WAVES 1 TO 3 FT TONIGHT AND EARLY THURSDAY MORNING. WAVES
BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT THURSDAY.

MICHIGAN SOUTH 12300 11310 13410 12420. CHANCE OF SHOWERS THURSDAY.
WAVES 1 TO 3 FT TONIGHT. WAVES 2 TO 4 FT THURSDAY. 

$$

RATZER




Forecast for Lake Huron

000
FZUS63 KDTX 211353
GLFLH 

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
953 AM EDT TUE OCT 21 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...29.80 INCHES...WILL TRACK FROM EASTERN 
ONTARIO TO THE EAST COAST TODAY. THE PASSAGE OF THIS SYSTEM WILL 
PUSH A COLD FRONT THROUGH THE REGION TODAY...BRINGING GUSTY WINDS. A 
RIDGE OF HIGH PRESSURE WILL THEN BUILD OVER THE AREA FOR WEDNESDAY 
AND THURSDAY...ALLOWING FOR CALMER CONDITIONS.

&&

LHZ361-212015-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
953 AM EDT TUE OCT 21 2014

.REST OF TODAY...NORTHEAST WINDS 15 TO 20 KNOTS...BECOMING NORTH
10 TO 15 KNOTS BY LATE MORNING. PATCHY DRIZZLE LATE IN THE
MORNING. WAVES 3 TO 5 FEET. 
.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS LATE. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET LATE.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS IN THE MORNING...
BECOMING LIGHT AND VARIABLE. WAVES 2 FEET OR LESS. 
.WEDNESDAY NIGHT...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR
LESS. 
.THURSDAY...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS. 
.FRIDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST 5 TO
10 KNOTS. WAVES 2 FEET OR LESS. 
.SATURDAY...WEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET. 


$$

LHZ362-212015-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
953 AM EDT TUE OCT 21 2014

.REST OF TODAY...NORTH WINDS 20 TO 25 KNOTS...DIMINISHING TO
15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS BY LATE MORNING. PATCHY
DRIZZLE LATE IN THE MORNING. WAVES 5 TO 7 FEET. WAVES
OCCASIONALLY AROUND 10 FEET. 
.TONIGHT...NORTHEAST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. WAVES 3 TO 5 FEET. 
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KNOTS...BECOMING NORTH 5 TO
10 KNOTS BY AFTERNOON. WAVES 1 TO 3 FEET. 
.WEDNESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS IN THE EVENING...
BECOMING LIGHT AND VARIABLE OVERNIGHT. WAVES 2 FEET OR LESS. 
.THURSDAY...LIGHT AND VARIABLE WINDS. WAVES 2 FEET OR LESS. 
.FRIDAY...WEST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS. 
.SATURDAY...WEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS LATE...THEN BECOMING NORTHWEST 10 TO 15 KNOTS BY
MIDNIGHT. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET. 


$$

LHZ363-462>464-212015-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
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-
953 AM EDT TUE OCT 21 2014

.REST OF TODAY...NORTH WINDS 20 TO 25 KNOTS. GUSTS TO 30 KNOTS BY
LATE MORNING. PATCHY DRIZZLE LATE IN THE MORNING. A CHANCE OF
SHOWERS BY LATE MORNING. WAVES 6 TO 9 FEET. WAVES OCCASIONALLY
AROUND 12 FEET. 
.TONIGHT...NORTHEAST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. WAVES 5 TO 7 FEET...SUBSIDING TO 3 TO
5 FEET LATE. WAVES OCCASIONALLY AROUND 10 FEET. 
.WEDNESDAY...NORTH WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET. 
.WEDNESDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET. 
.THURSDAY...WEST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS. 
.FRIDAY...WEST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS. 
.SATURDAY...WEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET...
BUILDING TO 3 TO 5 FEET LATE. 


$$

LHZ461-212015-
MAFOR 2115/
HURON NORTH 11130 12830 12120 13110. WAVES 5 TO 7 FEET WITH
MAXIMUM WAVE HEIGHT AROUND 11 FEET THIS AFTERNOON. WAVES 4 TO 6
FEET SUBSIDING TO 3 TO 5 FEET OVERNIGHT WITH MAXIMUM WAVE HEIGHT
AROUND 8 FEET TONIGHT. WAVES 1 TO 3 FEET WEDNESDAY MORNING. 

HURON SOUTH 13830 11130 11120 13110. A CHANCE OF SHOWERS THIS
AFTERNOON. WAVES 6 TO 9 FEET WITH MAXIMUM WAVE HEIGHT AROUND 12
FEET THIS AFTERNOON. WAVES 5 TO 7 FEET WITH MAXIMUM WAVE HEIGHT
AROUND 9 FEET TONIGHT. WAVES 2 TO 4 FEET WITH MAXIMUM WAVE HEIGHT
AROUND 6 FEET WEDNESDAY MORNING. 

$$

CB

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

000
FZUS61 KCLE 221929
GLFLE 

OPEN LAKE FORECAST FOR LAKE ERIE
NATIONAL WEATHER SERVICE CLEVELAND OH
329 PM EDT WED OCT 22 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ERIE

.SYNOPSIS...LOW PRESSURE 29.80 INCHES OFF THE NEW JERSEY COAST
WILL MOVE NORTH AND DEEPEN TO 29.60 INCHES TONIGHT AND 29.40
INCHES THURSDAY NEAR CAPE COD. HIGH PRESSURE 30.20 INCHES OVER THE
UPPER MIDWEST WILL MOVE SOUTHEAST ACROSS THE OHIO VALLEY ON
THURSDAY AND BECOME NEARLY STATIONARY OVER THE SOUTHEAST STATES BY
THE WEEKEND. A WEAKENING COLD FRONT WILL WASH OUT OVER THE GREAT
LAKES ON FRIDAY. A SECOND COLD FRONT WILL CROSS LAKE ERIE ON
SATURDAY.

LEZ061-164>169-230215-
LAKE ERIE OPEN WATERS FROM RIPLEY TO BUFFALO NY-
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-
329 PM EDT WED OCT 22 2014

.TONIGHT...NORTH WINDS 10 TO 15 KNOTS. WAVES 3 TO 5 FEET
SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHWEST. WAVES
1 TO 3 FEET. 
.THURSDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES 1 TO
3 FEET. 
.FRIDAY...NORTHWEST WINDS 10 KNOTS OR LESS BECOMING WEST 5 TO
15 KNOTS. WAVES 1 TO 3 FEET. 
.FRIDAY NIGHT...WEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET. 
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST. WAVES
1 TO 3 FEET BUILDING TO 2 TO 4 FEET. 
.SUNDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET. 
.MONDAY...SOUTH WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET. 

$$

LEZ162-163-230215-
LAKE ERIE OPEN WATERS FROM MAUMEE BAY TO RENO BEACH-
LAKE ERIE OPEN WATERS FROM RENO BEACH TO THE ISLANDS-
329 PM EDT WED OCT 22 2014

.TONIGHT...NORTH WINDS 10 TO 15 KNOTS. WAVES 2 TO 5 FEET
SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...NORTHWEST WINDS 5 TO 10 KNOTS BECOMING WEST. WAVES
1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS. 
.THURSDAY NIGHT...WEST WINDS 10 KNOTS OR LESS. WAVES 1 FOOT OR
LESS. 
.FRIDAY...NORTH WINDS 10 KNOTS OR LESS BECOMING WEST 5 TO
15 KNOTS. WAVES 2 FEET OR LESS. 
.FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES 2 FEET OR LESS. 
.SATURDAY...WEST WINDS 10 TO 15 KNOTS. WAVES 2 FEET OR LESS. 
.SUNDAY...WEST WINDS 5 TO 10 KNOTS BECOMING SOUTH. WAVES 2 FEET
OR LESS. 
.MONDAY...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST. WAVES
1 TO 3 FEET. 

$$

LEZ161-230215-
MAFOR 2221/
ERIE WEST 1/3 14810 11810 13710. WAVES 2 TO 5 FEET SUBSIDING TO 1
TO 3 FEET TONIGHT. WAVES 1 TO 3 FEET THURSDAY.

ERIE CENTRAL 1/3 15810 12710. WAVES 2 TO 5 FEET.

ERIE EAST 1/3 15810 11810 11710. WAVES 2 TO 4 FEET.

$$




Forecast for Lake Ontario

000
FZUS61 KBUF 222240
GLFLO 

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
640 PM EDT WED OCT 22 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 29.6 INCH LOW WILL DRIFT FROM THE JERSEY COASTLINE TO 
CAPE COD THROUGH THURSDAY WHILE STRENGTHENING TO 29.4 INCHES. THE 
LOW WILL THEN LIFT NORTHEAST ACROSS NOVA SCOTIA BY FRIDAY NIGHT 
WHILE A WEAK RIDGE OF HIGH PRESSURE AVERAGING 29.9 INCHES CROSSES 
THE LOWER GREAT LAKES. A 29.3 INCH LOW WILL DIVE ACROSS NORTHERN 
ONTARIO SATURDAY AND ACROSS NORTHERN NEW ENGLAND SATURDAY NIGHT 
BEFORE A 30.1 INCH HIGH BUILDS ACROSS THE GREAT LAKE REGION ON 
SUNDAY.

LOZ062-230315-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
640 PM EDT WED OCT 22 2014

.TONIGHT...NORTHEAST WINDS 5 TO 10 KNOTS BECOMING NORTH 10 TO 20
KNOTS. WAVES 2 TO 4 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO 15
KNOTS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES 1 TO
3 FEET. 
.FRIDAY...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS. WAVES 1 TO 3 FEET. 
.FRIDAY NIGHT...WEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET. 
.SATURDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF SHOWERS. WAVES
2 TO 3 FEET BUILDING TO 4 TO 7 FEET. 
.SUNDAY...WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS.
WAVES 3 TO 6 FEET SUBSIDING TO 1 TO 3 FEET. 
.MONDAY...WEST WINDS 5 TO 10 KNOTS BECOMING SOUTH. WAVES 2 FEET
OR LESS. 

$$

LOZ063>065-230315-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
640 PM EDT WED OCT 22 2014

.TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS BECOMING NORTH TO
30 KNOTS. WAVES 3 TO 6 FEET BUILDING TO 5 TO 8 FEET. 
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. WAVES 5 TO 8 FEET SUBSIDING TO 3 TO 6 FEET. 
.THURSDAY NIGHT...NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. A CHANCE OF SHOWERS. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 3 FEET. 
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS. A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET BUILDING TO 2 TO
4 FEET. 
.FRIDAY NIGHT...WEST WINDS 15 TO 20 KNOTS. WAVES 3 TO 5 FEET
SUBSIDING TO 2 TO 4 FEET. 
.SATURDAY...WEST WINDS 15 TO 20 KNOTS INCREASING TO 30 KNOTS. A
CHANCE OF SHOWERS DURING THE DAY...THEN SHOWERS LIKELY SATURDAY
NIGHT. WAVES 2 TO 4 FEET BUILDING TO 6 TO 10 FEET. 
.SUNDAY...WEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS. A CHANCE OF SHOWERS DURING THE DAY. WAVES 4 TO 7 FEET
SUBSIDING TO 2 TO 4 FEET. 
.MONDAY...WEST WINDS 5 TO 10 KNOTS BECOMING SOUTH. WAVES 2 FEET
OR LESS. 

$$

LOZ061-230315-
MAFOR 2300 AMD/
ONTARIO WEST 1/2 11110 11120 13820 11810 11710. WAVES 2 TO 4 FEET
BUILDING TO 3 TO 6 FEET TONIGHT. WAVES 2 TO 4 FEET.

ONTARIO EAST 1/2 13130 13830 11820. WAVES 3 TO 6 FEET BUILDING TO
4 TO 8 FEET TONIGHT. WAVES 4 TO 8 FEET SUBSIDING TO 3 TO 6 FEET
THURSDAY.

$$