Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
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 37 38 39 40 41 42 43 44 45 46 47 48 49 50

000
FZUS63 KLOT 151500
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CST SUN JAN 15 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 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 30.5 INCHES IS CENTERED OVER THE
UPPER MIDWEST THIS MORNING AND WILL SHIFT TO NEW ENGLAND ON
MONDAY. LOW PRESSURE OF 29.8 INCHES WILL LIFT FROM THE SOUTHERN
PLAINS MONDAY TO THE WESTERN GREAT LAKES TUESDAY THEN FILL AS IT
LIFTS INTO CANADA TUESDAY NIGHT INTO WEDNESDAY. ANOTHER LOW OF
29.6 INCHES WILL DEVELOP OVER THE CENTRAL AND NORTHERN PLAINS
WEDNESDAY THROUGH FRIDAY.

LMZ261-362-364-366-563-565-567-868-152215-
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-
900 AM CST SUN JAN 15 2017

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...SOUTHWEST WINDS 5 TO 10 KT INCREASING TO 15 TO
25 KT. WAVES 1 TO 2 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TONIGHT...SOUTHWEST WINDS 15 TO 25 KT. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
CHANCE OF RAIN AND SNOW IN THE AFTERNOON. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT BECOMING EAST 15 TO
25 KT. CHANCE OF RAIN OR SNOW SHOWERS IN THE EVENING... THEN RAIN
OR SNOW SHOWERS LIKELY OVERNIGHT. WAVES 2 TO 4 FT BUILDING TO
3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...EAST WINDS 10 TO 20 KT BECOMING NORTHEAST. SHOWERS
LIKELY IN THE MORNING...THEN CHANCE OF SHOWERS IN THE AFTERNOON.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KT BECOMING WEST. WAVES
2 TO 4 FT.
.WEDNESDAY...WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST. WAVES
2 TO 4 FT.
.THURSDAY...SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-152215-
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-
900 AM CST SUN JAN 15 2017

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...WEST WINDS LESS THAN 10 KT BECOMING SOUTHWEST.
WAVES 1 TO 2 FT.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF LIGHT
FREEZING RAIN OVERNIGHT. WAVES 1 TO 2 FT.
.MONDAY...SOUTH WINDS 5 TO 10 KT BECOMING SOUTHEAST 10 TO 15 KT
EARLY IN THE AFTERNOON...THEN INCREASING TO 10 TO 20 KT LATE.
CHANCE OF RAIN OR SNOW OR LIGHT FREEZING RAIN OR LIGHT SLEET IN
THE MORNING...THEN SHOWERS LIKELY...CHANCE OF RAIN...SNOW AND
LIGHT FREEZING RAIN LIKELY IN THE AFTERNOON. WAVES 1 TO 3 FT.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KT. AREAS OF FOG.
SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.TUESDAY...SOUTH WINDS 10 TO 20 KT BECOMING WEST. CHANCE OF
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO
4 FT.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KT. WAVES 2 TO 4 FT.
.WEDNESDAY...WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST. WAVES
2 TO 4 FT.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.

$$
LMZ761-152215-
MAFOR 1516/
MICHIGAN NORTH 11500 11510 11520 14530 11520. WAVES 1 TO 2 FT
BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT TODAY. WAVES 4 TO 6
FT OCCASIONALLY TO 8 FT TONIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7
FT MONDAY MORNING.

MICHIGAN SOUTH 11600 12500 13510 11410 11400. CHANCE OF RAIN OR
SNOW OR LIGHT FREEZING RAIN OR LIGHT SLEET MONDAY MORNING. WAVES
1 TO 2 FT.

$$

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/LOT/GLFTABLE (ALL LOWER CASE)

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)


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