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 33 34 35 36
000
FZUS63 KLOT 262051
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
251 PM CST SUN FEB 26 2017

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 OF THE HIGHEST 1/3 OF THE WAVE, ALONG WITH THE
AVERAGE HEIGHT OF THE HIGHEST 10% OF THE WAVES WHICH WILL
OCCASIONALLY BE ENCOUNTERED.

.SYNOPSIS...HIGH PRESSURE OF 30.2 INCHES CENTERED OVER WEST
VIRGINIA WILL MOVE TO THE CAROLINA COAST THIS EVENING. LOW
PRESSURE OF 29.6 INCHES OVER LAKE SUPERIOR WILL MOVE INTO QUEBEC
TONIGHT WITH A TRAILING COLD FRONT MOVING ACROSS THE LAKE
TONIGHT. LOW PRESSURE OF 29.7 INCHES ACROSS THE CENTRAL PLAINS
TUESDAY MORNING WILL MOVE TO SOUTHERN LAKE MICHIGAN BY TUESDAY
EVENING. ANOTHER LOW PRESSURE WILL MOVE FROM THE OZARKS LATE
TUESDAY NIGHT TO THE CENTRAL GREAT LAKES BY MIDDAY WEDNESDAY...
MERGING WITH THE FIRST LOW AND DEEPENING TO 29.3 INCHES BY
WEDNESDAY EVENING. THIS LOW WILL CONTINUE TO DEEPEN TO 29.0
INCHES AS IT MOVES UP THE ST. LAWRENCE VALLEY INTO EARLY
THURSDAY.

LMZ261-362-364-366-563-565-270300-
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-
251 PM CST SUN FEB 26 2017

TWO RIVERS WI TO MANISTEE MI NORTH...

...GALE WARNING IN EFFECT UNTIL 9 PM CST THIS EVENING...

.TONIGHT...SOUTHWEST GALES TO 35 KT DIMINISHING TO 15 TO 25 KT
LATE THIS EVENING...THEN BECOMING NORTHWEST 10 TO 20 KT AFTER
MIDNIGHT. CHANCE OF SNOW SHOWERS THIS EVENING. WAVES 6 TO 9 FT
OCCASIONALLY TO 11 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO 20 KT.
WAVES 2 TO 4 FT.
.MONDAY NIGHT...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHEAST.
CHANCE OF RAIN SHOWERS OVERNIGHT. WAVES 2 TO 4 FT.
.TUESDAY...SOUTHEAST WINDS 15 TO 25 KT BECOMING SOUTH. RAIN
SHOWERS AND FREEZING RAIN LIKELY IN THE MORNING...THEN RAIN
SHOWERS LIKELY IN THE AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT VEERING TO NORTHWEST
TO 30 KT OVERNIGHT. RAIN SHOWERS AND FREEZING RAIN LIKELY IN THE
EVENING...THEN CHANCE OF RAIN SHOWERS AND FREEZING RAIN
OVERNIGHT. WAVES 2 TO 4 FT.
.WEDNESDAY...NORTH WINDS TO 30 KT. CHANCE OF SNOW SHOWERS. WAVES
4 TO 7 FT OCCASIONALLY TO 9 FT.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. CHANCE OF SNOW SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7
FT.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS.
WAVES 2 TO 4 FT.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO 20 KT.
CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-270300-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 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 PENTWATER TO MANISTEE MI 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-
251 PM CST SUN FEB 26 2017

TWO RIVERS WI TO MANISTEE MI SOUTH...

...GALE WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING...

.TONIGHT...SOUTHWEST GALES TO 35 KT EARLY...DIMINISHING TO 15 TO
25 KT THIS EVENING...THEN BECOMING WEST 10 TO 20 KT OVERNIGHT.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO 20 KT.
WAVES 2 TO 4 FT.
.MONDAY NIGHT...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHEAST.
CHANCE OF RAIN SHOWERS OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.TUESDAY...SOUTHEAST WINDS 15 TO 25 KT BECOMING SOUTH. RAIN
SHOWERS LIKELY IN THE MORNING...THEN CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT VEERING TO
NORTHWEST. RAIN SHOWERS. WAVES 2 TO 4 FT.
.WEDNESDAY...NORTHWEST WINDS TO 30 KT. RAIN SHOWERS LIKELY WITH A
CHANCE OF SNOW SHOWERS IN THE MORNING...THEN CHANCE OF SNOW AND
RAIN SHOWERS IN THE AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY TO 9
FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO
25 KT. CHANCE OF SNOW SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO
8 FT.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH. CHANCE OF
SNOW AND RAIN SHOWERS. WAVES 2 TO 4 FT
.FRIDAY...NORTHWEST WINDS 15 TO 25 KT BECOMING SOUTHWEST 10 TO 20
KT. CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FT.

$$

LMZ761-270300-
MAFOR 2622/
MICHIGAN NORTH...GALE WARNING IN EFFECT...12550 11640 11730
11720 11610 19510 11510 11420. CHANCE OF SNOW SHOWERS THIS
EVENING. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT SUBSIDING TO 3 TO
5 FT OCCASIONALLY TO 7 FT TONIGHT AND TO 2 TO 4 FT MONDAY.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...11550 12530 11620 11510
11410 12420. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO 3
TO 5 FT OCCASIONALLY TO 7 FT TONIGHT AND TO 2 TO 4 FT MONDAY.

$$

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/LOT/GLFTABLE

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES



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