####018006141#### FZUS63 KMKX 240148 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 848 PM CDT Tue Apr 23 2024 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... North gales and building waves are expected tonight behind the passage of a strong cold front. A Gale Warning is in effect. Winds and waves will gradually lighten up Wednesday into Thursday, as high pressure around 30.4 inches moves southeast across the region. South winds will then increase again Friday and remain gusty into the upcoming weekend, as multiple low pressure systems move northeast through the region. There will be additional chances for gales Saturday. LMZ261-362-364-366-563-565-567-868-240930- 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- 848 PM CDT Tue Apr 23 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... ...GALE WARNING IN EFFECT UNTIL 4 AM CDT WEDNESDAY... .REST OF TONIGHT...North gales to 35 kt. Slight chance of thunderstorms with isolated rain showers through early evening. Waves 5 to 8 ft occasionally to 10 ft building to 8 to 11 ft occasionally to 14 ft. .WEDNESDAY...North winds to 30 kt becoming northeast 10 to 20 kt. Waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to 6 ft occasionally to 8 ft. .WEDNESDAY NIGHT...Northeast winds 10 to 20 kt diminishing to 10 to 15 kt late in the evening, then becoming east after midnight becoming south late. Waves 3 to 5 ft subsiding to 1 to 2 ft. .THURSDAY...South winds 10 to 15 kt. Waves 1 to 3 ft. .THURSDAY NIGHT...Southeast winds 5 to 10 kt increasing to 10 to 20 kt overnight. Waves 2 to 4 ft. .FRIDAY...Southeast winds 15 to 25 kt increasing to 30 kt. Waves 4 to 6 ft occasionally to 8 ft building to 5 to 8 ft occasionally to 10 ft. .FRIDAY NIGHT...Southeast gales to 35 kt. Showers. Waves 6 to 9 ft occasionally to 12 ft. .SATURDAY...South gales to 35 kt. Showers likely. Waves 7 to 10 ft occasionally to 13 ft. .SUNDAY...Northeast winds 15 to 25 kt becoming east. Rain showers likely. Waves 4 to 6 ft occasionally to 8 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-240930- 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- 848 PM CDT Tue Apr 23 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... ...GALE WARNING IN EFFECT UNTIL 7 AM CDT WEDNESDAY... .REST OF TONIGHT...North gales to 35 kt. Slight chance of thunderstorms with isolated rain showers through early evening. Waves 4 to 6 ft occasionally to 8 ft building to 8 to 12 ft occasionally to 16 ft. .WEDNESDAY...North winds to 30 kt diminishing to 10 to 20 kt. Waves 8 to 11 ft occasionally to 14 ft subsiding to 4 to 7 ft occasionally to 9 ft. .WEDNESDAY NIGHT...North winds 10 to 20 kt veering to east 10 to 15 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 1 to 3 ft. .THURSDAY...Southeast winds 10 to 15 kt. Waves 1 to 3 ft. .THURSDAY NIGHT...East winds 10 to 15 kt becoming southeast 10 to 20 kt. Waves 1 to 3 ft building to 3 to 5 ft. .FRIDAY...Southeast winds 15 to 25 kt increasing to 30 kt. Rain showers likely in the afternoon. Waves 4 to 7 ft occasionally to 9 ft building to 6 to 9 ft occasionally to 12 ft. .FRIDAY NIGHT...Southeast gales to 35 kt becoming south. Showers with a chance of thunderstorms. Waves 7 to 10 ft occasionally to 13 ft. .SATURDAY...South gales to 35 kt. Showers likely. Waves 6 to 9 ft occasionally to 12 ft. .SUNDAY...South winds to 30 kt. Showers likely. Waves 3 to 5 ft. $$ LMZ761-240930- MAFOR 2404/ MICHIGAN NORTH...GALE WARNING IN EFFECT...12850 11840 11130 13120 11110. Waves 6 to 10 feet overnight. Waves 5 to 9 feet subsiding to 3 to 6 feet Wednesday. Waves 2 to 4 feet subsiding to 1 to 3 feet Wednesday evening. MICHIGAN SOUTH...GALE WARNING IN EFFECT...12850 11840 11830 13820 11810. Waves 6 to 9 feet building to 8 to 11 feet overnight. Waves 8 to 11 feet subsiding to 4 to 7 feet Wednesday. Waves 3 to 5 feet subsiding to 2 to 4 feet Wednesday evening. $$ Gehring Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes