Great Lakes Forecast
Issued by NWS
Issued by NWS
262 FZUS63 KMKX 211513 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 913 AM CST Thu Nov 21 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... Low pressure of 29.4 inches near Door County, Wisconsin will track down the axis of Lake Michigan today, reaching the far southern tip by late afternoon while weakening to 29.5 inches. Snow and rain will reduce visibility along the area of low pressure. Expect west-northwesterly gales of 35 to 45 knots today near the center of the low. The majority of these gusts will be across western portions of the lake. Northerly gusts in the wake of the low will taper off from north to south through mid evening as low pressure fills and exits to the east. Northwesterly winds continue through Friday, with gusts around 30 knots expected in the southern half as high pressure of 30.2 inches builds into the northern Plains. LMZ261-362-364-366-563-565-567-868-212230- 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- 913 AM CST Thu Nov 21 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... ...GALE WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING... .REST OF TODAY...West northwest gales to 35 kt veering to northeast to 30 kt. Chance of rain through mid morning, then slight chance of rain this afternoon. Waves 7 to 10 ft occasionally to 13 ft. .TONIGHT...North winds 10 to 20 kt increasing to 30 kt. Chance of rain in the evening, then slight chance of rain overnight. Waves 4 to 7 ft occasionally to 9 ft building to 5 to 8 ft occasionally to 10 ft. .FRIDAY...North winds to 30 kt. Waves 7 to 10 ft occasionally to 13 ft. .FRIDAY NIGHT...Northwest winds to 30 kt diminishing to 15 to 25 kt. Chance of rain showers. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to 9 ft. .SATURDAY...Northwest winds 15 to 25 kt. Chance of rain showers. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. .SATURDAY NIGHT...Northwest winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 2 to 4 ft subsiding to 1 to 2 ft. .SUNDAY...Southwest winds 10 to 15 kt becoming south 10 to 20 kt. Waves 1 to 2 ft building to 2 to 4 ft. .MONDAY...Southeast winds 10 to 20 kt backing to northwest 15 to 25 kt. Rain showers likely. Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-212230- 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- 913 AM CST Thu Nov 21 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... ...GALE WARNING IN EFFECT THROUGH THIS EVENING... .REST OF TODAY...West gales 35 to 40 kt becoming northwest gales to 40 kt early this afternoon becoming north late. Rain. Waves 7 to 10 ft occasionally to 13 ft building to 12 to 16 ft occasionally to 21 ft. .TONIGHT...North gales to 35 kt diminishing to 30 kt. Chance of rain. Waves 12 to 16 ft occasionally to 21 ft subsiding to 7 to 10 ft occasionally to 13 ft. .FRIDAY...Northwest winds to 30 kt. Chance of rain in the morning, then rain showers likely in the afternoon. Waves 10 to 14 ft occasionally to 18 ft. .FRIDAY NIGHT...Northwest winds 15 to 25 kt. Chance of rain showers in the evening. Waves 8 to 12 ft occasionally to 16 ft subsiding to 6 to 9 ft occasionally to 12 ft. .SATURDAY...Northwest winds 10 to 20 kt becoming west. Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to 8 ft. .SATURDAY NIGHT...West winds 10 to 15 kt becoming southwest 5 to 10 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft. .SUNDAY...South winds 10 to 20 kt. Waves 1 to 3 ft building to 3 to 5 ft. .MONDAY...Northwest winds 10 to 20 kt increasing to 30 kt. Chance of rain showers. Waves 4 to 6 ft occasionally to 8 ft building to 5 to 8 ft occasionally to 10 ft. $$ LMZ761-212230- MAFOR 2117/ MICHIGAN NORTH...GALE WARNING IN EFFECT...11150 11140 13830 13840. A chance of rain late this morning and this evening. Waves 6 to 10 feet this afternoon. Waves 3 to 6 feet building to 5 to 8 feet tonight. Waves 6 to 9 feet Friday morning. MICHIGAN SOUTH...GALE WARNING IN EFFECT...11756 11866 11860 11850 12840 11740 11750. Waves 8 to 12 feet building to 10 to 14 feet this afternoon. Waves 11 to 15 feet subsiding to 7 to 10 feet tonight. Waves 9 to 13 feet Friday morning. $$ Gehring Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes