National Weather Service United States Department of Commerce

KLOT 170905
GLFLMT

EXPERIMENTAL TABULAR OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO IL
305 AM CST SUN DEC 17 2017

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...HIGH PRESSURE OF 30.4 INCHES OVER SOUTHEAST ONTARIO
WILL MOVE EAST OFF INTO THE NORTHWESTERN ATLANTIC BY MONDAY
MORNING. MEANWHILE, LOW PRESSURE OF 29.2 INCHES OVER NORTHWEST
TERRITORIES WILL DEEPEN SLIGHTLY TO 29.1 INCHES AS IT MOVES TO
HUDSON BAY MONDAY NIGHT, THEN CONTINUES EAST TO QUEBEC TUESDAY. A
COLD FRONT TRAILING SOUTHWEST FROM THIS LOW WILL MOVE ACROSS THE
LAKE TUESDAY MORNING. HIGH PRESSURE OF 30.3 INCHES OVER THE
NORTHERN PLAINS TUESDAY AFTERNOON WILL MOVE EAST INTO THE WESTERN
GREAT LAKES WEDNESDAY. NEW LOW PRESSURE OF 29.6 INCHES WILL
DEVELOP OVER THE CENTRAL AND SOUTHERN HIGH PLAINS WEDNESDAY NIGHT
WITH A WARM FRONT DEVELOPING NORTHEAST FROM THAT LOW NORTHEAST TO
LAKE MICHIGAN.

LMZ261-362-364-366-563-565-171615-
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-
227 AM CST SUN DEC 17 2017

TWO RIVERS WI TO MANISTEE MI NORTH...

LMZ261-362-364-366-563-565-172200-
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-
305 AM CST SUN DEC 17 2017

...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH LATE MONDAY
NIGHT...

.TODAY...
WEATHER.............CLOUDY, THEN SLIGHT CHANCE OF SNOW SHOWERS
                              EARLY IN THE AFTERNOON.
SFC WINDS...........SOUTHEAST 10 TO 15 KNOTS.
100-FT WINDS........SOUTHEAST 15 TO 20 KNOTS.
SIG WAVES...........2 TO 4 FEET / AROUND 1 METER /.
OCNL WAVES..........AROUND 5 FEET / 2 METERS /.

.TONIGHT...
WEATHER.............CLOUDY WITH A SLIGHT CHANCE OF SNOW SHOWERS,
                              THEN MOSTLY CLOUDY AFTER MIDNIGHT.
SFC WINDS...........SOUTH 5 TO 10 KNOTS...BECOMING WEST 10 TO 15
                              KNOTS IN THE LATE EVENING AND OVERNIGHT.
100-FT WINDS........SOUTH 10 TO 15 KNOTS...BECOMING WEST 15 TO 20
                              KNOTS IN THE LATE EVENING AND OVERNIGHT.
SIG WAVES...........2 TO 4 FEET / AROUND 1 METER /.
OCNL WAVES..........AROUND 5 FEET / 2 METERS /.

.MONDAY...
WEATHER.............MOSTLY CLOUDY.
SFC WINDS...........SOUTHWEST 15 TO 20 KNOTS...INCREASING TO 20 TO
                              25 KNOTS EARLY IN THE AFTERNOON.
100-FT WINDS........SOUTHWEST 20 TO 25 KNOTS...INCREASING TO 30
                              KNOTS EARLY IN THE AFTERNOON.
SIG WAVES...........2 TO 4 FEET / AROUND 1 METER /...BUILDING TO 6
                              TO 9 FEET / 2-3 METERS /.
OCNL WAVES..........AROUND 11 FEET / 3 METERS /...BUILDING TO
                              AROUND 9 FEET / 3 METERS /.

.MONDAY NIGHT...
WEATHER.............MOSTLY CLOUDY WITH CHANCE OF RAIN RAIN AND SNOW
                              SHOWERS, THEN CLOUDY WITH CHANCE OF SNOW
                              SHOWERS IN THE LATE EVENING AND EARLY MORNING.
                              MOSTLY CLOUDY.
SFC WINDS...........SOUTHWEST TO 30 KNOTS.
100-FT WINDS........SOUTHWEST GALES TO 35 KNOTS.
SIG WAVES...........8 TO 12 FEET / AROUND 3 METERS /.
OCNL WAVES..........AROUND 14 FEET / 4 METERS /.


.FORECAST DAYS 3 THROUGH 5...

.TUESDAY...BREEZY. CHANCE OF SNOW SHOWERS. WEST WINDS 20 TO
25 KNOTS. WAVES 6 TO 9 FEET / 2-3 METERS /.
.WEDNESDAY...CHANCE OF SNOW SHOWERS IN THE MORNING. CHANCE OF
SNOW IN THE EVENING, THEN SNOW AFTER MIDNIGHT. NORTH WINDS 10 TO
15 KNOTS. WAVES 4 TO 6 FEET / 1-2 METERS /.
.THURSDAY...RAIN, SNOW. RAIN LIKELY. SOUTHEAST WINDS 10 TO
15 KNOTS. WAVES 3 TO 5 FEET / 1-2 METERS /.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-172200-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 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 HOLLAND TO WHITEHALL MI 5 NM OFF SHORE TO MID-
LINE OF 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-
305 AM CST SUN DEC 17 2017

.TODAY...
WEATHER.............CLOUDY.
SFC WINDS...........SOUTHEAST 15 TO 20 KNOTS...DIMINISHING TO 5 TO
                              10 KNOTS EARLY IN THE AFTERNOON.
100-FT WINDS........SOUTHEAST 20 TO 25 KNOTS...DIMINISHING TO 10 TO
                              15 KNOTS EARLY IN THE AFTERNOON.
SIG WAVES...........3 TO 5 FEET / 1-2 METERS /.
OCNL WAVES..........AROUND 6 FEET / 2 METERS /.

.TONIGHT...
WEATHER.............CLOUDY WITH OCCASIONAL DRIZZLE AND PATCHY FOG,
                              THEN CLOUDY WITH PATCHY FOG AFTER MIDNIGHT.
SFC WINDS...........SOUTHWEST 5 TO 10 KNOTS...BECOMING WEST IN THE
                              LATE EVENING AND OVERNIGHT.
100-FT WINDS........SOUTHWEST 10 TO 15 KNOTS...BECOMING WEST IN THE
                              LATE EVENING AND OVERNIGHT.
SIG WAVES...........2 TO 4 FEET / AROUND 1 METER /.
OCNL WAVES..........AROUND 5 FEET / 2 METERS /.

.MONDAY...
WEATHER.............MOSTLY CLOUDY WITH PATCHY FOG, THEN MOSTLY
                              CLOUDY IN THE LATE MORNING AND AFTERNOON.
SFC WINDS...........SOUTHWEST 15 TO 20 KNOTS...INCREASING TO 20 TO
                              25 KNOTS EARLY IN THE AFTERNOON.
100-FT WINDS........SOUTHWEST 20 TO 25 KNOTS...INCREASING TO 30
                              KNOTS EARLY IN THE AFTERNOON.
SIG WAVES...........2 TO 4 FEET / AROUND 1 METER /...BUILDING TO 5
                              TO 7 FEET / AROUND 2 METERS /.
OCNL WAVES..........AROUND 9 FEET / 3 METERS /...BUILDING TO AROUND
                              6 FEET / 2 METERS /.

.MONDAY NIGHT...
WEATHER.............MOSTLY CLOUDY.
SFC WINDS...........SOUTHWEST TO 30 KNOTS.
100-FT WINDS........SOUTHWEST GALES TO 35 KNOTS.
SIG WAVES...........8 TO 12 FEET / AROUND 3 METERS /.
OCNL WAVES..........AROUND 14 FEET / 4 METERS /.


.FORECAST DAYS 3 THROUGH 5...

.TUESDAY...BREEZY. CHANCE OF SNOW SHOWERS. WEST WINDS 20 TO
25 KNOTS. WAVES 6 TO 9 FEET / 2-3 METERS /.
.WEDNESDAY...CHANCE OF SNOW SHOWERS IN THE MORNING. CHANCE OF
SNOW IN THE EVENING, THEN SNOW AFTER MIDNIGHT. NORTH WINDS 10 TO
15 KNOTS. WAVES 4 TO 6 FEET / 1-2 METERS /.
.THURSDAY...RAIN, SNOW. RAIN LIKELY. SOUTHEAST WINDS 10 TO
15 KNOTS. WAVES 3 TO 5 FEET / 1-2 METERS /.

$$

 

Occasional waves will only be displayed when values meet or exceed 5 feet/2 meters.

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