National Weather Service Marine Forecast FZUS63 KMKX
FZUS63 KMKX 250741
GLFLM
OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
241 AM CDT Mon Oct 25 2021
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
Low pressure around 29.5 inches will continue to push east slowly
moving out of the region later today with continued strong east
winds expected. Thus easterly gales will prevail this morning
over the southern half of the lake, backing to northeasterly gales
later today. A Gale Warning remains in effect through the day
today over the southern half of the lake. Northerly winds will
then gradually weaken tonight and Tuesday morning as high
pressure approaches from the west.
LMZ261-362-364-366-563-565-567-868-251515-
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-
241 AM CDT Mon Oct 25 2021
SHEBOYGAN WI TO PENTWATER MI NORTH...
TODAY
Northeast gales to 35 kt. Slight chance of rain showers
this morning. Waves 10 to 14 ft occasionally to 18 ft.
TONIGHT
Northeast gales to 35 kt diminishing to 15 to 25 kt.
Slight chance of rain showers. Waves 8 to 12 ft occasionally to
16 ft subsiding to 6 to 9 ft occasionally to 12 ft.
TUESDAY
North winds 15 to 25 kt becoming northeast 10 to
20 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to
6 ft occasionally to 8 ft.
TUESDAY NIGHT
Northeast winds 10 to 15 kt becoming east. Waves
3 to 5 ft subsiding to 1 to 3 ft.
WEDNESDAY
Southeast winds 10 to 15 kt. Waves 2 to 4 ft.
WEDNESDAY NIGHT
Southeast winds 10 to 20 kt. Waves 3 to 5 ft.
THURSDAY
Southeast winds 10 to 20 kt becoming east to 30 kt.
Chance of showers. Waves 3 to 5 ft.
FRIDAY
Northeast winds 15 to 25 kt increasing to 30 kt. Chance
of showers. Waves 4 to 6 ft occasionally to 8 ft building to 4 to
7 ft occasionally to 9 ft.
LMZ080-669-671-673-675-777-779-870-872-874-876-878-251515-
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-
241 AM CDT Mon Oct 25 2021
SHEBOYGAN WI TO PENTWATER MI SOUTH...
GALE WARNING IN EFFECT THROUGH THIS EVENING
TODAY
Northeast gales to 45 kt becoming north gales to 40 kt.
Showers this morning, then chance of showers this afternoon.
Waves 12 to 16 ft occasionally to 21 ft.
TONIGHT
Northeast gales to 40 kt diminishing to 30 kt. Slight
chance of showers. Waves 10 to 14 ft occasionally to 18 ft
subsiding to 6 to 9 ft occasionally to 12 ft.
TUESDAY
North winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft
occasionally to 8 ft.
TUESDAY NIGHT
Northeast winds 10 to 15 kt becoming southeast.
Waves 3 to 5 ft subsiding to 2 to 4 ft.
WEDNESDAY
Southeast winds 10 to 20 kt. Waves 2 to 4 ft.
WEDNESDAY NIGHT
Southeast winds 10 to 20 kt. Waves 3 to 5 ft.
THURSDAY
East winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of showers. Waves 3 to 5 ft.
FRIDAY
Northeast winds 15 to 25 kt increasing to 30 kt. Chance
of showers. Waves 4 to 6 ft occasionally to 8 ft building to 4 to
7 ft occasionally to 9 ft.
LMZ761-251515-
MAFOR 2509/
MICHIGAN NORTH 14150 11150 12140 11130. Waves 6 to 9 feet
building to 8 to 12 feet today. Waves 9 to 12 feet subsiding to 5
to 8 feet the rest of tonight.
MICHIGAN SOUTH...GALE WARNING IN EFFECT...13166 11160 11850 11150
12140. Chance of showers this afternoon. Chance of showers after
midnight the rest of tonight. Waves 10 to 15 feet today. Waves 10
to 13 feet subsiding to 5 to 8 feet the rest of tonight.
Kuroski
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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