Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 230236
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
836 PM CST SUN JAN 22 2017

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...STRONG LOW PRESSURE OF 29.1 INCHES JUST NORTH OF
ATLANTA WILL MOVE TO THE MID ATLANTIC MONDAY...THEN MOVE NORTHEAST
ALONG THE EAST COAST TUESDAY...AS IT SLOWLY WEAKENS. A WEAK RIDGE
OF 29.8 INCHES WILL QUICKLY MOVE ACROSS THE LAKE TUESDAY. LOW
PRESSURE AROUND 29.3 INCHES WILL MOVE ACROSS CENTRAL OR SOUTHERN
LAKE MICHIGAN TUESDAY NIGHT INTO WEDNESDAY.

LMZ261-362-364-366-563-565-567-868-230900-
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-
836 PM CST SUN JAN 22 2017

SHEBOYGAN WI TO PENTWATER MI NORTH...

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST MONDAY...

.REST OF TONIGHT...NORTH WINDS 5 TO 10 KT INCREASING TO 10 TO
15 KT. AREAS OF DENSE FOG. SLIGHT CHANCE OF RAIN OVERNIGHT. WAVES
1 TO 2 FT.
.MONDAY...NORTH WINDS 10 TO 20 KT. AREAS OF DENSE FOG IN THE
MORNING...THEN PATCHY FOG IN THE AFTERNOON. CHANCE OF RAIN. WAVES
1 TO 2 FT.
.MONDAY NIGHT...NORTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15
KT. CHANCE OF RAIN...LIGHT FREEZING RAIN LIKELY WITH A CHANCE OF
SNOW IN THE EVENING...THEN CHANCE OF RAIN...SNOW AND LIGHT
FREEZING RAIN OVERNIGHT. WAVES 1 TO 2 FT.
.TUESDAY...NORTH WINDS 10 TO 15 KT BECOMING NORTHWEST LESS THAN
10 KT IN THE AFTERNOON. CHANCE OF RAIN AND LIGHT FREEZING RAIN IN
THE MORNING. WAVES 1 TO 2 FT.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KT. CHANCE OF RAIN...SNOW
AND LIGHT FREEZING RAIN IN THE EVENING...THEN RAIN...SNOW LIKELY
WITH A CHANCE OF LIGHT FREEZING RAIN OVERNIGHT. WAVES 1 TO 2 FT.
.WEDNESDAY...NORTH WINDS 10 TO 20 KT BECOMING NORTHWEST. RAIN...
SNOW LIKELY WITH A CHANCE OF LIGHT FREEZING RAIN IN THE MORNING...
THEN CHANCE OF SNOW AND RAIN IN THE AFTERNOON. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO
10 TO 20 KT. CHANCE OF SNOW. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT.
.THURSDAY...NORTHWEST WINDS 15 TO 25 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING WEST 15 TO 25 KT.
CHANCE OF SNOW SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-230900-
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-
836 PM CST SUN JAN 22 2017

SHEBOYGAN WI TO PENTWATER MI SOUTH...

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST MONDAY...

.REST OF TONIGHT...NORTH WINDS 10 TO 20 KT. AREAS OF DENSE FOG.
WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...NORTH WINDS 15 TO 20 KT. PATCHY DENSE FOG IN THE
MORNING...THEN PATCHY FOG IN THE AFTERNOON. SLIGHT CHANCE OF RAIN
IN THE MORNING...THEN CHANCE OF RAIN IN THE AFTERNOON. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT.
.MONDAY NIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHWEST. WAVES
2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KT BACKING TO SOUTH. WAVES
1 TO 2 FT.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH. RAIN
LIKELY. WAVES 1 TO 3 FT.
.WEDNESDAY...WEST WINDS 15 TO 25 KT. CHANCE OF RAIN IN THE
MORNING...THEN CHANCE OF RAIN AND SNOW IN THE AFTERNOON. WAVES
2 TO 4 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW
AND RAIN. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY...NORTHWEST WINDS 15 TO 25 KT BECOMING WEST. CHANCE OF
SNOW SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KT BECOMING WEST. CHANCE OF
SNOW SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.

$$
LMZ761-230900-
MAFOR 2304/
MICHIGAN NORTH 11804 12814 11824 14820. CHANCE OF RAIN MONDAY.
PATCHY FOG MONDAY AFTERNOON. WAVES 1 TO 2 FT.

MICHIGAN SOUTH 14824 14820. CHANCE OF RAIN MONDAY AFTERNOON.
PATCHY FOG MONDAY AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 3 TO 5
FT OCCASIONALLY TO 7 FT TONIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT MONDAY.

$$

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/LOT/GLFTABLE (ALL LOWER CASE)

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



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