Great Lakes Forecast
Issued by NWS
Issued by NWS
017 FZUS63 KMKX 072022 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 222 PM CST Fri Feb 7 2025 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... Lighter west to northwest winds linger across the lake this afternoon and evening as high pressure around 30.4 inches slides into the eastern Great Lakes. Will see winds turn easterly on Saturday and pick up a bit as low pressure around 29.7 inches works its way up the Ohio River Valley through the day Saturday. Accompanying this system will be bands of snow/wintry mix across the northern half of the Lake. By Saturday night winds will turn more north then northwesterly as the low pressure pushes further east. High pressure around 30.6 inches begins to build across the Upper Midwest for Sunday before spreading into the western Great Lakes early next week. LMZ261-362-364-366-563-565-567-868-080415- 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- 222 PM CST Fri Feb 7 2025 SHEBOYGAN WI TO PENTWATER MI NORTH... .TONIGHT...West winds 10 to 15 kt diminishing to 5 to 10 kt. Chance of snow overnight. Waves 2 to 4 ft subsiding to 1 to 2 ft. .SATURDAY...Southeast winds 10 to 15 kt becoming northeast 5 to 10 kt. Chance of snow in the morning, then snow in the afternoon. Waves 1 to 3 ft. .SATURDAY NIGHT...North winds 10 to 15 kt becoming northwest 10 to 20 kt. Snow likely in the evening. Waves 1 to 3 ft building to 3 to 5 ft. .SUNDAY...Northwest winds 10 to 20 kt. Waves 3 to 5 ft. .SUNDAY NIGHT...West winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 1 to 3 ft. .MONDAY...West winds 10 to 20 kt. Waves 1 to 3 ft. .MONDAY NIGHT...West winds 10 to 20 kt becoming northwest 15 to 25 kt. Waves 2 to 4 ft. .TUESDAY...Northwest winds 15 to 25 kt becoming north 10 to 20 kt. Waves 2 to 4 ft. .WEDNESDAY...North winds 10 to 15 kt becoming east. Waves 1 to 3 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-080415- 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- 222 PM CST Fri Feb 7 2025 SHEBOYGAN WI TO PENTWATER MI SOUTH... .TONIGHT...Southwest winds 5 to 10 kt backing to southeast 10 to 15 kt. Waves 1 to 3 ft subsiding to 1 to 2 ft. .SATURDAY...Southeast winds 10 to 20 kt becoming northeast 10 to 15 kt. Slight chance of snow in the morning, then chance of snow and slight chance of light freezing drizzle in the afternoon. Waves 2 to 4 ft. .SATURDAY NIGHT...North winds 10 to 15 kt becoming northwest 10 to 20 kt. Chance of snow in the evening. Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. .SUNDAY...Northwest winds 10 to 20 kt. Waves 4 to 6 ft occasionally to 8 ft. .SUNDAY NIGHT...Northwest winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft. .MONDAY...West winds 10 to 15 kt. Waves 1 to 3 ft. .MONDAY NIGHT...West winds 10 to 15 kt becoming northwest 10 to 20 kt. Waves 1 to 3 ft. .TUESDAY...North winds 10 to 20 kt. Waves 3 to 5 ft. .WEDNESDAY...Northeast winds 10 to 20 kt. Chance of snow. Waves 2 to 4 ft. $$ LMZ761-080415- MAFOR 0723/ MICHIGAN NORTH 12610 12600 11300 11317 12217. Waves 1 to 3 feet subsiding to 1 foot or less tonight. Waves 2 feet or less Saturday. MICHIGAN SOUTH 11510 11500 11400 11310 12320 11220 11210. A chance of snow Saturday afternoon. Waves 1 to 3 feet. $$ Wagner Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes