Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 200303
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
903 PM CST SUN FEB 19 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...A HIGH PRESSURE RIDGE OF 30.1 INCHES OVER THE CENTRAL
GREAT LAKES WILL MOVE EAST TONIGHT. LOW PRESSURE OF 29.5 INCHES
OVER THE NORTHERN PLAINS WILL TRACK NORTHEAST TO LAKE WINNIPEG
MONDAY NIGHT WITH A TRAILING COLD FRONT EXTENDING SOUTH TO THE
CENTRAL PLAINS. THE LOW WILL CONTINUE TO SLOWLY TRACK
NORTHEAST...DEEPENING TO 29.2 INCHES MONDAY NIGHT WHILE THE COLD
FRONT PUSHES ACROSS THE LAKE. THE LOW WILL SLOWLY MOVE NORTHEAST
TO HUDSON BAY TUESDAY NIGHT AS A WEAK RIDGE OF HIGH PRESSURE OF
30.1 INCHES BUILDS ACROSS THE LOWER MISSISSIPPI VALLEY AND A LOW
OF 29.5 INCHES TRACKS ACROSS THE NORTHERN PLAINS.

LMZ261-362-364-366-563-565-201030-
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-
903 PM CST SUN FEB 19 2017

TWO RIVERS WI TO MANISTEE MI NORTH...

.REST OF TONIGHT...EAST WINDS 10 TO 15 KT BECOMING SOUTHEAST 10
TO 20 KT. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT LATE.
.MONDAY...SOUTHEAST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT BY
LATE MORNING. WAVES BUILDING TO 3 TO 6 FT OCCASIONALLY TO 8 FT.
.MONDAY NIGHT...SOUTHEAST WINDS TO 30 KT GRADUALLY VEERING TO THE
SOUTHWEST OVERNIGHT. OCCASIONAL GALES TO 35 KT DURING THE EVENING.
RAIN WITH A CHANCE OF THUNDERSTORMS. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
.TUESDAY...WEST WINDS 15 TO 25 KT BECOMING SOUTHWEST. WAVES 3 TO
6 FT OCCASIONALLY TO 8 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST 15 TO
25 KT. CHANCE OF RAIN. WAVES 2 TO 4 FT.
.THURSDAY...NORTH WINDS 15 TO 20 KT BECOMING NORTHEAST TO 30 KT
THURSDAY NIGHT. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT OCCASIONALLY
TO 8 FT THURSDAY NIGHT.
.FRIDAY...EAST GALES TO 35 KT. RAIN AND SNOW. WAVES BUILDING TO 7
TO 10 FT OCCASIONALLY TO 13 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-201030-
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-
903 PM CST SUN FEB 19 2017

TWO RIVERS WI TO MANISTEE MI SOUTH...

.REST OF TONIGHT...EAST WINDS 10 TO 15 KT BECOMING SOUTHEAST 10
TO 20 KT. AREAS OF FOG OVERNIGHT. WAVES 1 TO 3 FT BUILDING TO 2
TO 4 FT.
.MONDAY...SOUTHEAST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT
BY EARLY AFTERNOON. AREAS OF FOG IN THE MORNING. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.MONDAY NIGHT...SOUTHEAST WINDS TO 30 KT VEERING TO SOUTHWEST
OVERNIGHT AND DIMINISHING TO 20 TO 25 KT LATE. CHANCE OF RAIN IN
THE EVENING...THEN RAIN WITH A CHANCE OF THUNDERSTORMS OVERNIGHT.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.TUESDAY...WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST. CHANCE OF
RAIN IN THE MORNING. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT
SUBSIDING TO 2 TO 4 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KT. WAVES 2 TO 4 FT.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KT. WAVES 2 TO 4 FT.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING
NORTHWEST. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY...NORTH WINDS 15 TO 25 KT BECOMING NORTHEAST AND THEN
INCREASING TO 30 KT THURSDAY NIGHT. WAVES 3 TO 6 FT OCCASIONALLY
TO 8 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT THURSDAY NIGHT.
.FRIDAY...EAST GALES TO 40 KT. RAIN. WAVES 6 TO 9 FT OCCASIONALLY
TO 11 FT.

$$
LMZ761-201030-
MAFOR 2004/
MICHIGAN NORTH 11210 11310 12320 12330 12346. CHANCE OF
THUNDERSTORMS MONDAY EVENING. WAVES 1 TO 3 FT BUILDING TO 2 TO 4
FT OVERNIGHT. WAVES BUILDING TO 3 TO 6 FT OCCASIONALLY TO 8 FT
MONDAY. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT MONDAY EVENING.


MICHIGAN SOUTH 11210 11313 12323 12330 11340 11346. CHANCE OF
SHOWERS MONDAY EVENING. WAVES 1 TO 3 FT BUILDING TO 2 TO 4
FT OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT MONDAY. WAVES
4 TO 7 FT OCCASIONALLY TO 9 FT MONDAY EVENING.

$$


RODRIGUEZ

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

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


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