Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 260747
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
247 AM CDT SAT JUL 26 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...ELONGATED LOW PRESSURE AROUND 29.7 INCHES EXTENDS
FROM NEAR LAKE WINNIPEG TO LAKE SUPERIOR THIS MORNING. THIS WILL
SLOWLY MOVE SOUTH WITH A CENTER DEVELOPING OVER THE CENTRAL TO
NORTHERN PART OF THE LAKE EARLY SUNDAY MORNING. THIS LOW WILL
MERGE WITH ANOTHER LOW OF SIMILAR INTENSITY BY SUNDAY AFTERNOON
ACROSS THE EASTERN GREAT LAKES. AS STRONG CANADIAN HIGH PRESSURE
FOR SUMMERTIME OF 30.3 INCHES BUILDS SOUTH FROM CENTRAL CANADA
SUNDAY NIGHT THROUGH MONDAY NIGHT...STRONG NORTHERLY WINDS WILL
PREVAIL ACROSS THE LAKE. THIS HIGH WILL EVENTUALLY BUILD OVER THE
LAKE NEAR 30.1 INCHES IN STRENGTH DURING THE MIDDLE OF NEXT WEEK.


LMZ261-362-364-366-563-565-567-868-261530-
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-
247 AM CDT SAT JUL 26 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT
FROM LATE MORNING ON. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
2 TO 4 FT.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KT BECOMING VARIABLE 5 TO 10
KT FROM LATE EVENING ON. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. WAVES SUBSIDING TO 1 TO 2 FT.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KT BACKING TO NORTH 10 TO
20 KT IN THE AFTERNOON. SHOWERS AND THUNDERSTORMS LIKELY. WAVES 1
TO 2 FT.
.SUNDAY NIGHT...NORTH WINDS TO 30 KT. OCCASIONAL GALE FORCE GUSTS
POSSIBLE. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 5 TO
8 FT OCCASIONALLY TO 10 FT FROM LATE EVENING ON.
.MONDAY...NORTH WINDS 15 TO 25 KT. WAVES 5 TO 8 FT OCCASIONALLY
TO 10 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT LATE.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KT. WAVES 3 TO 6 FT
OCCASIONALLY TO 8 FT.
.TUESDAY...WEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.
.WEDNESDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-261530-
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-
247 AM CDT SAT JUL 26 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO 20 KT
FROM LATE MORNING ON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
THIS AFTERNOON. WAVES 1 TO 3 FT.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KT BECOMING WEST 5 TO 10 KT
AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
1 TO 3 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING NORTHWEST 15 TO
25 KT BY EARLY AFTERNOON. SHOWERS AND THUNDERSTORMS LIKELY. WAVES
BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY NIGHT...NORTHWEST WINDS 20 TO 25 KT BECOMING NORTH TO 30
KT FROM LATE EVENING ON. OCCASIONAL GALE FORCE GUSTS POSSIBLE.
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT BUILDING TO 5 TO 8
FT OCCASIONALLY TO 10 FT LATE.
.MONDAY...NORTH WINDS TO 30 KT. OCCASIONAL GALE FORCE GUSTS
POSSIBLE IN THE MORNING. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.MONDAY NIGHT...NORTH WINDS 15 TO 25 KT EASING TO 10 TO 20 KT
AFTER MIDNIGHT. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT SUBSIDING TO
4 TO 7 FT OCCASIONALLY TO 9 FT LATE.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT SUBSIDING TO 2 TO 4 FT.
.WEDNESDAY...WEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.

$$

LMZ761-261530-
MAFOR 2609/
MICHIGAN NORTH 12510 13520 11510 12900. CHANCE OF SHOWERS AND
THUNDERSTORMS TODAY. WAVES 2 TO 4 FT TODAY SUBSIDING TO 1 TO 2 FT
TONIGHT.

MICHIGAN SOUTH 12510 13420 12510 11600. WAVES 1 TO 3 FT.

$$

MTF





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