FZUS63 KMKX 181351 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 851 AM CDT Fri Jun 18 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... With storms having pushed out, low pressure around 29.7 inches over southern Wisconsin will slowly move southeast and weaken through the rest of today. Southwest winds will linger over northern portions of the lake, with lighter winds to the south. A cold front will then move southeast through the region tonight into Saturday morning, bringing a chance for showers and a few thunderstorms. Winds will shift to the north and northeast behind the front across Lake Michigan. Weak high pressure of 29.8 inches moving southeast into the region Saturday night should bring light winds. Low pressure of 29.5 inches moving northeast through the region Sunday into Sunday night will bring a cold front with it. Gusty south to southwest winds ahead of the front should veer northwest behind it into Monday. && LMZ261-362-364-366-563-565-567-868-182115- 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- 851 AM CDT Fri Jun 18 2021 SHEBOYGAN WI TO PENTWATER MI NORTH... .REST OF TODAY...Southwest winds 10 to 20 kt. Waves 2 to 4 ft. .TONIGHT...Southwest winds 10 to 20 kt veering to north 10 to 15 kt. Slight chance of showers and thunderstorms overnight. Waves 2 to 4 ft subsiding to 1 to 2 ft. .SATURDAY...North winds 10 to 15 kt. Waves 1 to 2 ft. .SATURDAY NIGHT...Northeast winds 5 to 10 kt becoming east. Waves 1 to 2 ft. .SUNDAY...Southeast winds 10 to 15 kt becoming south. Waves 1 to 2 ft. .SUNDAY NIGHT...South winds 15 to 25 kt becoming southwest. Showers with a chance of thunderstorms. Waves 1 to 3 ft building to 3 to 5 ft. .MONDAY...Northwest winds 15 to 25 kt. Chance of showers. Waves 3 to 5 ft. .TUESDAY...Northwest winds 10 to 20 kt becoming west. Waves 1 to 3 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-182115- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake- 851 AM CDT Fri Jun 18 2021 SHEBOYGAN WI TO PENTWATER MI SOUTH... .REST OF TODAY...South winds 10 to 20 kt veering to west 10 to 15 kt. Slight chance of showers and thunderstorms through mid morning. Waves 3 to 5 ft subsiding to 1 to 3 ft. .TONIGHT...Southwest winds 10 to 15 kt increasing to 10 to 20 kt. Chance of showers and slight chance of thunderstorms overnight. Waves 1 to 3 ft. .SATURDAY...West winds 10 to 15 kt veering to north. Chance of showers in the morning. Waves 1 to 3 ft. .SATURDAY NIGHT...North winds 10 to 15 kt becoming northeast. Waves 1 to 2 ft. .SUNDAY...Southeast winds 5 to 10 kt becoming south 10 to 15 kt. Waves 1 to 2 ft. .SUNDAY NIGHT...South winds 10 to 20 kt becoming southwest 15 to 25 kt. Showers and thunderstorms likely. Waves 3 to 5 ft. .MONDAY...Northwest winds 15 to 25 kt diminishing to 10 to 20 kt. Chance of showers. Waves 3 to 5 ft. .TUESDAY...Northwest winds 10 to 20 kt. Waves 2 to 4 ft. $$ LMZ761-182115- MAFOR 1815/ MICHIGAN NORTH 13520 11620 11720 13810. Waves 1 to 3 feet this afternoon and tonight. Waves 2 feet or less Saturday morning. MICHIGAN SOUTH 11520 12610 14510 11710. Chance of showers overnight and Saturday morning. Waves 2 to 4 feet subsiding to 1 to 3 feet this afternoon. Waves 2 feet or less tonight and Saturday morning. $$ Kuroski Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes