Great Lakes Forecast
Issued by NWS

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234
FZUS63 KLOT 170142
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
842 PM CDT SAT MAY 16 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...A TROUGH OF LOW PRESSURE AVERAGING 29.5 INCHES
EXTENDING FROM THE NORTHERN HIGH PLAINS TO WEST TEXAS WILL
CONSOLIDATE AND DEEPEN INTO A 29.3 INCH LOW OVER THE EASTERN
DAKOTAS BY MIDDAY SUNDAY. THE LOW WILL MOVE TO LAKE SUPERIOR BY
MONDAY AFTERNOON WHILE WEAKENING TO 29.6 INCHES AND THEN INTO
QUEBEC TUESDAY AS HIGH PRESSURE OF 30.5 INCHES SPREADS SOUTH INTO
THE NORTHERN PLAINS. RIDGING FROM THIS HIGH WILL EXPAND EAST INTO
THE GREAT LAKES AND THE HIGH WILL REMAIN IN THE REGION THROUGH THE
END OF NEXT WEEK WHILE SLOWLY WEAKENING.

LMZ261-362-364-563-170930-
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 ROCK ISLAND PASSAGE TO STURGEON BAY WI-
842 PM CDT SAT MAY 16 2015

STURGEON BAY WI TO POINT BETSIE MI NORTH

...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...

.REST OF TONIGHT...EAST WINDS 10 TO 15 KT BECOMING SOUTHEAST.
AREAS OF DENSE FOG. WAVES 1 TO 2 FT.
.SUNDAY...SOUTHEAST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
AREAS OF DENSE FOG. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING...THEN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. WAVES 2 TO 4 FT.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH 15 TO
25 KT. SHOWERS AND THUNDERSTORMS LIKELY IN THE EVENING. AREAS OF
DENSE FOG. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.MONDAY...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST. AREAS OF
FOG IN THE MORNING. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KT. WAVES 2 TO 4 FT.
.TUESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. WAVES 2 TO 4 FT.
.WEDNESDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES
1 TO 3 FT.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.

$$

LMZ366-565-567-669-868-870-170930-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
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 SHEBOYGAN TO PORT WASHINGTON WI 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-
842 PM CDT SAT MAY 16 2015

STURGEON BAY WI TO POINT BETSIE MI SOUTH TO PORT WASHINGTON WI TO
WHITEHALL MI

...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...

.REST OF TONIGHT...EAST WINDS 5 TO 10 KT BECOMING SOUTHEAST.
AREAS OF DENSE FOG. WAVES 1 TO 2 FT.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH. AREAS OF
DENSE FOG. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. AREAS OF DENSE FOG. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.MONDAY...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST. AREAS OF
FOG IN THE MORNING. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KT. WAVES 2 TO 4 FT.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KT BECOMING NORTH 10 TO
20 KT. WAVES 2 TO 4 FT.
.TUESDAY NIGHT...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.WEDNESDAY...NORTHWEST WINDS 5 TO 10 KT BECOMING SOUTHWEST. WAVES
1 TO 3 FT.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES 1 TO 2 FT.

$$

LMZ080-671-673-675-777-779-872-874-876-878-170930-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 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-
842 PM CDT SAT MAY 16 2015

PORT WASHINGTON WI TO WHITEHALL MI SOUTH

...DENSE FOG ADVISORY IN EFFECT UNTIL 3 PM CDT SUNDAY...

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTH.
AREAS OF DENSE FOG. WAVES 1 TO 2 FT.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH 15 TO 25 KT.
AREAS OF DENSE FOG. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING...THEN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. WAVES 2 TO 4 FT.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. AREAS
OF FOG. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 2 TO 4 FT.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST. WAVES
2 TO 4 FT.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH. WAVES 2 TO
4 FT.
.TUESDAY NIGHT...NORTH WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. WAVES 1 TO 3 FT.
.WEDNESDAY...NORTH WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO
15 KT. WAVES 1 TO 3 FT.
.THURSDAY...WEST WINDS 5 TO 10 KT BECOMING SOUTHWEST 10 TO 15 KT.
WAVES 1 TO 2 FT.

$$

LMZ761-170930-
MAFOR 1704/
MICHIGAN NORTH 11214 12314 13324 11336 19334 11324. WAVES 1 TO 2
FT OVERNIGHT. WAVES 2 TO 4 FT SUNDAY. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT SUNDAY EVENING.

MICHIGAN SOUTH 11314 12414 11324 11426 19424 13434. CHANCE OF
SHOWERS AND THUNDERSTORMS SUNDAY. WAVES 1 TO 2 FT OVERNIGHT.
WAVES 2 TO 4 FT SUNDAY. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT
SUNDAY EVENING.

$$


KREIN



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