FZUS63 KMKX 191941 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 241 PM CDT Thu Sep 19 2019 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... High pressure of 30.3 inches remains nearly stationary across the eastern Great lakes into New England through Saturday. Meanwhile, another low pressure of 29.5 inches will organize across the Central and Northern Plains Friday night and push into the area Saturday night and Sunday. Southeast to south winds will continue ahead of the low, becoming somewhat strong and gusty Saturday afternoon into Saturday night. Gusts may approach 30kts. A cold front will sweep across Lake Michigan Sunday afternoon. Look for winds to veer to the southwest then west on Sunday, turning northwest Sunday night into Monday. Light winds return by Monday afternoon as high pressure moves overhead. && LMZ261-362-364-366-563-565-567-868-200315- 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- 241 PM CDT Thu Sep 19 2019 SHEBOYGAN WI TO PENTWATER MI NORTH... .TONIGHT...South winds 10 to 15 kt diminishing to 5 to 10 kt. Slight chance of showers and thunderstorms. Waves 2 to 4 ft subsiding to 1 to 2 ft. .FRIDAY...South winds less than 10 kt becoming southeast. Patchy fog in the morning. Slight chance of showers and thunderstorms. Waves 1 to 2 ft. .FRIDAY NIGHT...Southeast winds 5 to 10 kt becoming south. Waves 1 to 2 ft. .SATURDAY...South winds 10 to 20 kt increasing to 30 kt in the afternoon. Waves 2 to 4 ft building to 4 to 7 ft occasionally to 9 ft. .SATURDAY NIGHT...South winds to 30 kt becoming southwest. Chance of showers and thunderstorms in the evening, then showers and thunderstorms likely overnight. Waves 5 to 8 ft occasionally to 10 ft. .SUNDAY...Southwest winds to 30 kt diminishing to 15 to 25 kt. Chance of showers and thunderstorms. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to 9 ft. .SUNDAY NIGHT...West winds 10 to 20 kt. Chance of showers and thunderstorms. Waves 3 to 5 ft subsiding to 2 to 4 ft. .MONDAY...West winds 10 to 20 kt becoming northwest. Waves 2 to 4 ft. .TUESDAY...West winds 5 to 10 kt becoming southwest 10 to 20 kt. Waves 1 to 2 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-200315- 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- 241 PM CDT Thu Sep 19 2019 SHEBOYGAN WI TO PENTWATER MI SOUTH... .TONIGHT...Southeast winds 5 to 10 kt becoming south. Slight chance of showers and thunderstorms. Waves 1 to 3 ft subsiding to 1 ft or less. .FRIDAY...South winds 5 to 10 kt. Slight chance of showers and thunderstorms. Waves 1 ft or less. .FRIDAY NIGHT...South winds 5 to 10 kt increasing to 10 to 15 kt. Waves 1 to 3 ft. .SATURDAY...South winds 15 to 25 kt increasing to 30 kt. Waves 2 to 4 ft building to 4 to 7 ft occasionally to 9 ft. .SATURDAY NIGHT...South winds 15 to 25 kt becoming southwest to 30 kt. Chance of showers and thunderstorms in the evening, then showers and thunderstorms overnight. Waves 5 to 8 ft occasionally to 10 ft. .SUNDAY...Southwest winds to 30 kt. Showers with a chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 5 to 8 ft occasionally to 10 ft. .SUNDAY NIGHT...West winds 15 to 25 kt diminishing to 10 to 20 kt. Chance of showers and thunderstorms. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. .MONDAY...West winds 10 to 20 kt. Waves 2 to 4 ft. .TUESDAY...West winds 5 to 10 kt becoming southwest 10 to 15 kt. Waves 1 to 3 ft. $$ LMZ761-200315- MAFOR 1921/ MICHIGAN NORTH 11410 15400 11400. Waves 2 to 4 feet subsiding to 1 foot or less tonight. Waves 1 foot or less Friday. MICHIGAN SOUTH 13300 14400 11400. Waves 2 feet or less. $$ Davis Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes