FZUS63 KMKX 171445 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 845 AM CST Sun Jan 17 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... Modest northwest winds will continue through tonight. Winds will increase slightly and shift to the west-northwest for Monday as low pressure around 29.9 inches moves across the northern Great Lakes. Then high pressure will build into the region on Tuesday with west-northwest winds shifting to the southwest ahead of a strong low pressure that is progged to move across Manitoba and Ontario for the middle of next week. This will bring a cold front across the Lake and stronger winds with gales possible for the middle to late next week. && LMZ261-362-364-366-563-565-567-868-172215- 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- 845 AM CST Sun Jan 17 2021 SHEBOYGAN WI TO PENTWATER MI NORTH... .REST OF TODAY...North winds 10 to 20 kt. Chance of snow, drizzle and slight chance of light freezing drizzle. Waves 2 to 4 ft. .TONIGHT...North winds 10 to 20 kt diminishing to 10 to 15 kt. Chance of snow in the evening, then chance of flurries overnight. Waves 2 to 4 ft. .MONDAY...North winds 10 to 15 kt becoming west 10 to 20 kt. Chance of flurries. Waves 1 to 3 ft. .MONDAY NIGHT...West winds 10 to 20 kt becoming northwest. Chance of snow showers. Waves 2 to 4 ft building to 3 to 5 ft. .TUESDAY...Northwest winds 10 to 20 kt. Chance of snow showers. Waves 3 to 5 ft. .TUESDAY NIGHT...Northwest winds 10 to 20 kt becoming west. Waves 3 to 5 ft. .WEDNESDAY...West winds 10 to 20 kt becoming southwest to 30 kt. Waves 2 to 4 ft building to 5 to 8 ft occasionally to 10 ft. .THURSDAY...West winds to 30 kt. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft occasionally to 8 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-172215- 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- 845 AM CST Sun Jan 17 2021 SHEBOYGAN WI TO PENTWATER MI SOUTH... .REST OF TODAY...Northwest winds 10 to 15 kt increasing to 10 to 20 kt. Chance of snow, drizzle and rain through mid morning, then chance of rain and snow this afternoon. Waves 2 to 4 ft. .TONIGHT...Northwest winds 10 to 20 kt. Chance of snow and drizzle likely in the evening, then chance of flurries and drizzle overnight. Waves 3 to 5 ft. .MONDAY...Northwest winds 10 to 20 kt becoming west. Chance of flurries. Waves 3 to 5 ft. .MONDAY NIGHT...West winds 10 to 20 kt. Waves 4 to 6 ft occasionally to 8 ft. .TUESDAY...West winds 10 to 20 kt. Waves 4 to 6 ft occasionally to 8 ft. .TUESDAY NIGHT...West winds 15 to 25 kt. Waves 4 to 6 ft occasionally to 8 ft. .WEDNESDAY...West winds 10 to 20 kt becoming southwest to 30 kt. Waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft occasionally to 9 ft. .THURSDAY...West winds 15 to 25 kt increasing to 30 kt. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft occasionally to 8 ft. $$ LMZ761-172215- MAFOR 1716/ MICHIGAN NORTH 12810 11820 14810 11810. Chance of snow and rain this afternoon. Chance of snow this evening. Waves 1 to 3 feet this afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet tonight and Monday morning. MICHIGAN SOUTH 12717 11720 11725 12710 11720 11710. Chance of drizzle late this morning. Chance of snow this evening, then chance of drizzle overnight. Waves 1 to 3 feet this afternoon. Waves 2 to 4 feet tonight and Monday morning. $$ Cronce Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes