Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 161453
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
853 AM CST TUE DEC 16 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...LOW PRESSURE OF 29.6 INCHES OVER LOWER MICHIGAN WILL
CONTINUE TO TRACK EAST TO NEAR LAKE ONTARIO BY WEDNESDAY MORNING.
THIS LOW WILL THEN MERGE WITH ANOTHER LOW MOVING NORTHEAST ALONG
THE NEW ENGLAND COAST AND DEEPEN TO 29.3 INCHES. HIGH PRESSURE OF
30.5 INCHES IS CENTERED OVER MANITOBA...WITH A RIDGE AXIS
EXTENDING SOUTH INTO TEXAS. THE HIGH WILL SPREAD EAST ACROSS THE
MISSISSIPPI RIVER WEDNESDAY AND THEN SLOWLY MOVE EAST ACROSS THE
GREAT LAKES REGION THURSDAY AND FRIDAY AS IT SLOWLY WEAKENS TO
30.3 INCHES.

LMZ261-362-364-366-563-565-567-868-162215-
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-
853 AM CST TUE DEC 16 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...NORTHEAST WINDS 10 TO 20 KT BECOMING NORTH TO
30 KT FROM LATE MORNING ON. PERIODS OF SHOWERS WITH AREAS OF
DRIZZLE THROUGH MID MORNING... THEN PERIODS OF RAIN AND SNOW
SHOWERS THIS AFTERNOON. WAVES 1 TO 2 FT BUILDING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT THIS AFTERNOON.
.TONIGHT...NORTHWEST WINDS TO 30 KT. OCCASIONAL GALE FORCE GUSTS
TO 35 KT POSSIBLE. SNOW SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO
11 FT.
.WEDNESDAY...NORTHWEST WINDS TO 30 KT DIMINISHING TO 20 TO 25
KT. SNOW SHOWERS. WAVES SUBSIDING TO 5 TO 8 FT OCCASIONALLY TO
10 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY...NORTH WINDS 10 TO 20 KT. SLIGHT CHANCE OF SNOW
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY NIGHT...NORTH WINDS 10 TO 15 KT. WAVES 2 TO 4 FT.
.FRIDAY...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.SATURDAY...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-162215-
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-
853 AM CST TUE DEC 16 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...NORTHWEST WINDS 10 TO 20 KT INCREASING TO 30 KT
THIS AFTERNOON. AREAS OF FOG THROUGH MID MORNING. PERIODS OF
SHOWERS WITH AREAS OF DRIZZLE THROUGH MID MORNING... THEN PERIODS
OF SHOWERS THIS AFTERNOON. WAVES 1 TO 2 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT THIS AFTERNOON.
.TONIGHT...NORTHWEST WINDS TO 30 KT. GALE FORCE GUSTS TO 35 KT
POSSIBLE. SNOW SHOWERS...POSSIBLY MIXING WITH RAIN IN THE
EVENING. WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT.
.WEDNESDAY...NORTHWEST WINDS TO 30 KT DIMINISHING TO 20 TO 25
KT. SNOW SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT. SNOW SHOWERS
LIKELY. WAVES SUBSIDING TO 5 TO 7 FT OCCASIONALLY TO 9 FT.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF SNOW
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT. WAVES 2 TO 4 FT.
.FRIDAY...NORTH WINDS 10 TO 15 KT. WAVES 2 TO 4 FT.
.SATURDAY...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.

$$
LMZ761-162215-
MAFOR 1616/

MICHIGAN NORTH 11123 11837 11847 14747 11747. AREAS OF FOG THROUGH
MID MORNING. PERIODS OF SHOWERS WITH AREAS OF DRIZZLE THROUGH
MID MORNING...THEN PERIODS OF RAIN AND SNOW SHOWERS THIS
AFTERNOON. SNOW SHOWERS TONIGHT AND WEDNESDAY MORNING. WAVES 1 TO
2 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT THIS AFTERNOON...
BUILDING TO WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT TONIGHT AND
WEDNESDAY MORNING.

MICHIGAN SOUTH 11723 11736 15747. AREAS OF FOG THROUGH MID
MORNING. PERIODS OF SHOWERS WITH AREAS OF DRIZZLE THROUGH MID
MORNING...THEN PERIODS OF SHOWERS THIS AFTERNOON. SNOW
SHOWERS OVERNIGHT...POSSIBLY MIXING WITH RAIN IN THE EVENING. WAVES
1 TO 2 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT THIS
AFTERNOON BUILDING TO 7 TO 10 FT OCCASIONALLY TO 13 FT TONIGHT AND
WEDNESDAY MORNING.

$$

KREIN



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