Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
785
FZUS63 KLOT 172042
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
342 PM CDT SUN MAY 17 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 29.4 INCHES OVER NORTHERN MINNESOTA
WILL CONTINUE TO LIFT NORTHEAST TOWARDS WESTERN LAKE SUPERIOR
EARLY MONDAY MORNING. THE LOW WILL THEN WEAKEN AS IT MOVES EAST
ACROSS LAKE SUPERIOR AND TO QUEBEC AS A 29.7 INCH LOW BY TUESDAY
MORNING. HIGH PRESSURE OF 30.6 INCHES OVER THE CANADIAN PRAIRIES
MONDAY WILL BUILD SOUTH INTO THE NORTHERN PLAINS MONDAY
NIGHT...THEN SPREAD EAST INTO THE WESTERN LAKES TUESDAY IN THE
WAKE OF THE LOW. THE HIGH WILL MOVE VERY LITTLE THROUGH THE
REMAINDER OF THE WEEK...REPOSITIONING ITSELF OVER THE GREAT LAKES
BY FRIDAY AND SLOWLY WEAKENING TO 30.3 INCHES.

LMZ261-362-364-366-563-565-567-669-868-870-180315-
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 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-
342 PM CDT SUN MAY 17 2015

PORT WASHINGTON WI TO WHITEHALL MI NORTH

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

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

$$

LMZ080-671-673-675-777-779-872-874-876-878-180315-
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-
342 PM CDT SUN MAY 17 2015

PORT WASHINGTON WI TO WHITEHALL MI SOUTH

.TONIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST. CHANCE OF
SHOWERS AND THUNDERSTORMS THIS EVENING. PATCHY DENSE FOG THIS
EVENING. WAVES 2 TO 4 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST. WAVES 2 TO
4 FT.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KT BECOMING NORTHWEST. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KT BECOMING NORTH 10 TO
20 KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY NIGHT...NORTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.WEDNESDAY...NORTH WINDS 10 TO 15 KT BECOMING NORTHWEST. WAVES
1 TO 3 FT.
.WEDNESDAY NIGHT...WEST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.THURSDAY...WEST WINDS 10 TO 15 KT. WAVES 1 FT OR LESS.
.FRIDAY...NORTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 3 FT.

$$
LMZ761-180315-
MAFOR 1722 AMD/
MICHIGAN NORTH 12324 12434 12533 12530. CHANCE OF SHOWERS AND
THUNDERSTORMS THIS EVENING. WAVES 2 TO 4 FT BUILDING TO 3 TO 5
FT OCCASIONALLY TO 7 FT TONIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7
FT MONDAY.

MICHIGAN SOUTH 12423 19424 12523 12520 12620. CHANCE OF SHOWERS
AND THUNDERSTORMS THIS EVENING. WAVES 2 TO 4 FT TONIGHT. WAVES 2
TO 4 FT MONDAY.

$$


BEACHLER



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.