Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 132028
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
228 PM CST SAT DEC 13 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...HIGH PRESSURE OF 30.3 INCHES STRETCHES FROM THE LOWER
MISSISSIPPI VALLEY TO THE UPPER OHIO VALLEY THIS AFTERNOON WHILE
LOW PRESSURE OF 29.6 INCHES LIES OVER THE NORTHERN PLAINS. THIS
LOW WILL MOVE ACROSS THE NORTHERN GREAT LAKES REGION TONIGHT
WEAKENING SLIGHTLY WHILE A SECOND LOW OF 29.6 INCHES WILL FORM
OVER THE SOUTHERN PLAINS AND LIFT ACROSS LAKE MICHIGAN LATE MONDAY
NIGHT INTO EARLY TUESDAY. HIGH PRESSURE OF 30.4 INCHES WILL BUILD
IN BEHIND THE DEPARTING LOW MIDWEEK ACROSS THE CANADIAN PRAIRIES
AND PLAINS STATES...CONSOLIDATING OVER ONTARIO THURSDAY AND
FRIDAY.

LMZ261-362-364-366-563-565-567-868-140500-
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-
228 PM CST SAT DEC 13 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...SOUTHWEST WINDS 15 TO 25 KT IN THE EVENING BECOMING WEST
10 TO 20 KT. AREAS OF FOG. PATCHY DRIZZLE. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH. PATCHY FOG
IN THE MORNING. SLIGHT CHANCE OF RAIN WITH PATCHY DRIZZLE. WAVES 2
TO 4 FT SUBSIDING TO 1 TO 3 FT IN THE AFTERNOON.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KT. AREAS OF FOG. CHANCE OF
RAIN WITH PATCHY DRIZZLE. WAVES 1 TO 3 FT.
.MONDAY...SOUTH WINDS 10 TO 20 KT. PATCHY FOG. CHANCE OF RAIN.
WAVES 2 TO 4 FT.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT BECOMING NORTHEAST.
PERIODS OF RAIN. WAVES 2 TO 4 FT.
.TUESDAY...NORTHWEST WINDS 20 TO 25 KT. SNOW AND RAIN LIKELY IN
THE MORNING...THEN SNOW LIKELY IN THE AFTERNOON. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT
IN THE AFTERNOON.
.TUESDAY NIGHT...NORTHWEST WINDS 20 TO 25 KT. CHANCE OF SNOW
SHOWERS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW SHOWERS.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.THURSDAY...NORTH WINDS 10 TO 20 KT. SLIGHT CHANCE OF SNOW
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-140500-
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-
228 PM CST SAT DEC 13 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...SOUTHWEST WINDS 15 TO 25 KT EASING TO 10 TO 20 KT
OVERNIGHT. AREAS OF FOG. PATCHY DRIZZLE THIS EVENING...THEN AREAS
OF DRIZZLE OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KT. PATCHY FOG IN THE MORNING.
SLIGHT CHANCE OF RAIN WITH PATCHY DRIZZLE. WAVES SUBSIDING TO 1 TO
3 FT.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KT. AREAS OF FOG. CHANCE OF
RAIN WITH PATCHY DRIZZLE. WAVES 1 TO 3 FT.
.MONDAY...SOUTH WINDS 15 TO 25 KT. PATCHY FOG. CHANCE OF RAIN.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY NIGHT...SOUTH WINDS 15 TO 25 KT. PERIODS OF RAIN. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...NORTHWEST WINDS TO 30 KT. RAIN LIKELY IN THE MORNING...
THEN RAIN AND SNOW LIKELY IN THE AFTERNOON. WAVES 1 TO 3 FT
BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT IN THE AFTERNOON.
.TUESDAY NIGHT...NORTHWEST WINDS EASING TO 20 TO 25 KT. CHANCE OF
SNOW SHOWERS. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW SHOWERS.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.THURSDAY...NORTH WINDS 10 TO 20 KT. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT SUBSIDING TO 2 TO 4 FT.

$$

LMZ761-140500-
MAFOR 1322/
MICHIGAN NORTH 11533 14623 12510 11410. PATCHY DRIZZLE. PATCHY
FOG SUNDAY MORNING. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT TONIGHT.
WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT SUNDAY.

MICHIGAN SOUTH 11533 12523 12525 13510. PATCHY DRIZZLE THIS
EVENING AND SUNDAY. PATCHY FOG SUNDAY MORNING. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT TONIGHT. WAVES SUBSIDING TO 1 TO 3 FT
SUNDAY.

$$

BMD





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