Great Lakes Forecast
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938
FZUS63 KLOT 270858
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
258 AM CST MON FEB 27 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 OF THE HIGHEST 1/3 OF THE WAVE, ALONG WITH THE
AVERAGE HEIGHT OF THE HIGHEST 10% OF THE WAVES WHICH WILL
OCCASIONALLY BE ENCOUNTERED.

.SYNOPSIS...LOW PRESSURE OF 29.6 INCHES OVER SOUTHERN QUEBEC WILL
CONTINUE EAST TODAY...WHILE A SOUTHWARD MOVING FRONT SLIDING DOWN
THE LAKE STALLS THIS MORNING. LOW PRESSURE OF 29.6 INCHES ACROSS
THE CENTRAL PLAINS TUESDAY MORNING WILL MOVE TO SOUTHERN LAKE
MICHIGAN BY TUESDAY EVENING. ANOTHER LOW PRESSURE WILL MOVE FROM
THE OZARKS LATE TUESDAY NIGHT TO THE CENTRAL GREAT LAKES BY MIDDAY
WEDNESDAY...MERGING WITH THE FIRST LOW AND DEEPENING TO 29.3
INCHES BY WEDNESDAY EVENING. THIS LOW WILL CONTINUE TO DEEPEN TO
29.1 INCHES AS IT MOVES UP THE ST. LAWRENCE VALLEY INTO EARLY
THURSDAY.

LMZ261-362-364-366-563-565-271615-
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-
258 AM CST MON FEB 27 2017

TWO RIVERS WI TO MANISTEE MI NORTH...

.TODAY...NORTHWEST WINDS 10 TO 15 KT BECOMING VARIABLE THIS
MORNING...THEN BECOMING SOUTH 10 TO 20 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.TONIGHT...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
CHANCE OF RAIN SHOWERS OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT.
.TUESDAY...SOUTHEAST WINDS TO 30 KT BECOMING SOUTH 15 TO 25 KT.
RAIN SHOWERS AND FREEZING RAIN LIKELY IN THE MORNING...THEN RAIN
SHOWERS IN THE AFTERNOON. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTH TO 30 KT
OVERNIGHT. RAIN SHOWERS LIKELY IN THE EVENING...THEN CHANCE OF
RAIN SHOWERS, SNOW SHOWERS AND FREEZING RAIN OVERNIGHT. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8
FT.
.WEDNESDAY...NORTH WINDS TO 30 KT. CHANCE OF SNOW SHOWERS. WAVES
5 TO 8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY NIGHT...NORTH WINDS TO 30 KT DIMINISHING TO 10 TO
20 KT OVERNIGHT. CHANCE OF SNOW SHOWERS. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING WEST. CHANCE OF
SNOW SHOWERS. WAVES 1 TO 3 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-271615-
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 FROM PENTWATER TO MANISTEE MI 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-
258 AM CST MON FEB 27 2017

TWO RIVERS WI TO MANISTEE MI SOUTH...

.TODAY...WEST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO 20 KT. WAVES
2 TO 4 FT.
.TONIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHEAST TO 30 KT.
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...SOUTHEAST WINDS TO 30 KT BECOMING SOUTH 15 TO 25 KT.
CHANCE OF RAIN SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT VEERING TO NORTHWEST
TO 30 KT. RAIN SHOWERS IN THE EVENING...THEN RAIN SHOWERS LIKELY
OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 4 TO 6
FT OCCASIONALLY TO 8 FT.
.WEDNESDAY...NORTH WINDS TO 30 KT. RAIN AND SNOW SHOWERS LIKELY
IN THE MORNING...THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. WAVES
5 TO 8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO
25 KT. CHANCE OF SNOW SHOWERS. WAVES 4 TO 7 FT OCCASIONALLY TO
9 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.FRIDAY...WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST. CHANCE OF
SNOW SHOWERS. WAVES 2 TO 4 FT.

$$

LMZ761-271615-
MAFOR 2710/
MICHIGAN NORTH 11710 11910 14420 11420 11430. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT TODAY. WAVES 3 TO 5
FT OCCASIONALLY TO 7 FT TONIGHT.

MICHIGAN SOUTH 11610 11410 13420 12320 11330. CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT TONIGHT. WAVES 2 TO 4 FT TODAY. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT TONIGHT.

$$


RODRIGUEZ

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/LOT/GLFTABLE

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES



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