Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 031447
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
847 AM CST TUE MAR 3 2015

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 29.7 INCHES OVER IOWA WILL MOVE TO
NORTHERN LOWER MICHIGAN BY THIS EVENING WHILE DEEPENING TO 29.5
INCHES. THIS LOW WILL EVENTUALLY MERGE WITH A DEEPER LOW OF 29.3
INCHES OVER QUEBEC WHICH IS CURRENTLY MOVING ACROSS NORTHERN
ONTARIO AND WILL CROSS JAMES BAY TONIGHT. HIGH PRESSURE OF 30.6
INCHES WILL THEN BUILD SOUTHEAST FROM ALBERTA INTO THE NORTHERN
PLAINS THROUGH WEDNESDAY AND WILL STRENGTHEN TO 30.7 INCHES AS IT
CONTINUES SOUTHEAST ACROSS THE CENTRAL PLAINS AND INTO THE LOWER
OHIO VALLEY BY LATE THURSDAY. THE HIGH WILL THEN MOVE OFF TO THE
EAST FRIDAY AS ANOTHER LOW OF 29.4 INCHES MOVES ACROSS SOUTHERN
HUDSON BAY. THIS LOW WILL TRAIL A COLD FRONT ACROSS THE UPPER
MIDWEST AND GREAT LAKES REGION THIS WEEKEND.

LMZ261-362-364-366-563-565-567-868-032100-
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-
847 AM CST TUE MAR 3 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...SOUTH WINDS TO 30 KT BECOMING SOUTHWEST. SNOW
AND SLIGHT CHANCE OF FREEZING RAIN. WAVES 6 TO 9 FT OCCASIONALLY
TO 11 FT.
.TONIGHT...WEST WINDS 15 TO 25 KT. CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT OVERNIGHT.
.WEDNESDAY...WEST WINDS TO 30 KT. FREEZING SPRAY. CHANCE OF SNOW
SHOWERS. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10
TO 20 KT. SLIGHT CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 4 TO
7 FT OCCASIONALLY TO 9 FT OVERNIGHT.
.THURSDAY...WEST WINDS 10 TO 20 KT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...SOUTHWEST WINDS TO 30 KT. CHANCE OF SNOW SHOWERS. WAVES
7 TO 10 FT OCCASIONALLY TO 13 FT.
.SATURDAY...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST. CHANCE OF
SNOW SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

WAVE FORECAST IS FOR ICE FREE AREAS.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-032100-
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-
847 AM CST TUE MAR 3 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...SOUTH WINDS TO 30 KT BECOMING SOUTHWEST LATE.
A FEW GALE FORCE GUSTS TO 35 KT POSSIBLE. SNOW...SLEET...FREEZING
RAIN AND RAIN. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.TONIGHT...WEST WINDS TO 30 KT BECOMING NORTHWEST. CHANCE OF
SNOW SHOWERS...POSSIBLY MIXED WITH RAIN SHOWERS OR DRIZZLE IN THE
EVENING. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY...WEST WINDS TO 30 KT. FREEZING SPRAY. SLIGHT CHANCE
OF SNOW SHOWERS. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO
25 KT OVERNIGHT. CHANCE OF SNOW SHOWERS. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT.
.THURSDAY...WEST WINDS 15 TO 25 KT. CHANCE OF SNOW SHOWERS. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.FRIDAY...SOUTHWEST WINDS TO 30 KT. SLIGHT CHANCE OF SNOW
SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.SATURDAY...WEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT.

WAVE FORECAST IS FOR ICE FREE AREAS.

$$
LMZ761-032100-
MAFOR 0316/
MICHIGAN NORTH 12447 11547 14630 11640. CHANCE OF SNOW SHOWERS
TONIGHT AND WEDNESDAY MORNING. WAVES 6 TO 9 FT OCCASIONALLY TO
11 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT OVERNIGHT.

MICHIGAN SOUTH 12447 11547 12640 12740 11640. CHANCE OF SNOW
SHOWERS TONIGHT AND WEDNESDAY. CHANCE OF RAIN THIS EVENING.
WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT TODAY AND 5 TO 8 FT
OCCASIONALLY TO 10 FT TONIGHT.

$$





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