282
FZUS63 KMKX 232104
GLFLM
OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
304 PM CST SUN FEB 23 2020
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 SURFACE TROUGH WILL MOVE EAST ACROSS THE LAKE THIS EVENING,
SHIFTING WINDS TO THE NORTHWEST TO NORTH LATER TONIGHT AND
WEAKENING THEM INTO MONDAY MORNING. LOW PRESSURE OF 29.5 INCHES
WILL MOVE NORTHEAST FROM THE SOUTHERN PLAINS INTO CENTRAL INDIANA
TONIGHT INTO TUESDAY. IT SHOULD STRENGTHEN TO 29.4 INCHES AS IT
SHIFTS INTO THE NORTHEASTERN PART OF THE COUNTRY LATER NEXT WEEK.
THE LOW WILL BRING A PROLONGED PERIOD OF GUSTY NORTHEAST WINDS
AND BUILDING WAVES LATER MONDAY INTO THE MIDDLE OF NEXT WEEK.
GALES ARE EXPECTED AT TIMES TUESDAY AFTERNOON INTO WEDNESDAY
EVENING, MAINLY FOR THE SOUTH HALF OF LAKE MICHIGAN.
LMZ261-362-364-366-563-565-567-868-240430-
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-
304 PM CST SUN FEB 23 2020
SHEBOYGAN WI TO PENTWATER MI NORTH...
TONIGHT
WEST WINDS TO 30 KT BECOMING NORTHWEST 15 TO 25 KT.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 2 TO 4 FT.
MONDAY
NORTHWEST WINDS 10 TO 20 KT BECOMING NORTHEAST. WAVES
1 TO 3 FT.
MONDAY NIGHT
NORTHEAST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO
8 FT.
TUESDAY
NORTHEAST WINDS TO 30 KT. GALE FORCE GUSTS TO 35 KT
POSSIBLE. CHANCE OF SNOW AND RAIN IN THE MORNING, THEN CHANCE OF
SNOW AND RAIN LIKELY IN THE AFTERNOON. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT BUILDING TO 8 TO 11 FT OCCASIONALLY TO 14 FT.
TUESDAY NIGHT
NORTHEAST WINDS TO 30 KT WITH GALE FORCE GUSTS TO
35 KT. LIGHT FREEZING SPRAY. SNOW. WAVES 8 TO 11 FT OCCASIONALLY
TO 14 FT.
WEDNESDAY
NORTH GALES TO 35 KT. LIGHT FREEZING SPRAY. SNOW.
WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT.
WEDNESDAY NIGHT
NORTH WINDS TO 30 KT BECOMING NORTHWEST 15 TO
25 KT. LIGHT FREEZING SPRAY. SNOW LIKELY. WAVES 6 TO 9 FT
OCCASIONALLY TO 12 FT.
THURSDAY
NORTHWEST WINDS 15 TO 25 KT INCREASING TO 30 KT.
LIGHT FREEZING SPRAY. CHANCE OF SNOW. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO
9 FT.
FRIDAY
NORTHWEST WINDS 15 TO 25 KT. LIGHT FREEZING SPRAY.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-240430-
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-
304 PM CST SUN FEB 23 2020
SHEBOYGAN WI TO PENTWATER MI SOUTH...
...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY
EVENING...
TONIGHT
WEST WINDS 10 TO 20 KT VEERING TO NORTH. WAVES 3 TO
5 FT SUBSIDING TO 2 TO 4 FT.
MONDAY
NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST 10 TO 20 KT.
SLIGHT CHANCE OF RAIN IN THE AFTERNOON. WAVES 2 TO 4 FT.
MONDAY NIGHT
NORTHEAST WINDS 15 TO 25 KT INCREASING TO 30 KT.
CHANCE OF RAIN, LIGHT FREEZING RAIN WITH A CHANCE OF SNOW IN THE
EVENING, THEN CHANCE OF RAIN, SNOW AND LIGHT FREEZING RAIN LIKELY
OVERNIGHT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 5 TO
8 FT OCCASIONALLY TO 10 FT.
TUESDAY
NORTHEAST WINDS TO 30 KT INCREASING TO GALES TO 40 KT
IN THE AFTERNOON. RAIN AND SNOW. WAVES 5 TO 8 FT OCCASIONALLY TO
10 FT BUILDING TO 8 TO 11 FT OCCASIONALLY TO 14 FT.
TUESDAY NIGHT
NORTHEAST GALES TO 40 KT BECOMING NORTH GALES TO
35 KT. SNOW AND RAIN. WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT.
WEDNESDAY
NORTH GALES TO 40 KT BECOMING NORTHWEST. SNOW AND
RAIN IN THE MORNING, THEN SNOW LIKELY IN THE AFTERNOON. WAVES
8 TO 12 FT OCCASIONALLY TO 16 FT.
WEDNESDAY NIGHT
NORTHWEST WINDS TO 30 KT. LIGHT FREEZING
SPRAY. CHANCE OF SNOW. WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT.
THURSDAY
NORTHWEST WINDS TO 30 KT. LIGHT FREEZING SPRAY. WAVES
7 TO 10 FT OCCASIONALLY TO 13 FT.
FRIDAY
NORTHWEST WINDS 15 TO 25 KT. LIGHT FREEZING SPRAY.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
LMZ761-240430-
MAFOR 2322/
MICHIGAN NORTH 11540 13630 12720 12810. WAVES 4 TO 7 FEET
SUBSIDING TO 2 TO 4 FEET TONIGHT. WAVES 1 TO 3 FEET MONDAY.
MICHIGAN SOUTH 11520 11620 12720 11820 12110 11120. WAVES 3 TO 5
FEET SUBSIDING TO 1 TO 3 FEET TONIGHT AND MONDAY.
CRONCE
EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/MKX/GLFTABLE
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
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