####018006132#### FZUS63 KMKX 260753 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 253 AM CDT Fri Apr 26 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... Breezy southeast winds are expected today into tonight as low pressure of 29.2 inches lifts from the Central Plains into Minnesota. Winds will remain elevated Saturday from the south as the low continues to lift northward west of the area. Winds will then flip to northerly from the north Saturday night through at least central portions of the lake, with a frontal boundary likely remaining draped across the southern lake on Sunday. Winds will be southerly south of the front and east to northeast north of the front. Multiple rounds of showers and storms are expected this evening through the weekend. LMZ261-362-364-366-563-565-567-868-261530- 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- 253 AM CDT Fri Apr 26 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .TODAY...Southeast winds 15 to 25 kt. Waves 3 to 5 ft. .TONIGHT...Southeast winds 15 to 25 kt increasing to 30 kt. Chance of rain showers in the evening, then rain showers with a chance of thunderstorms overnight. Waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft. .SATURDAY...South winds to 30 kt. Chance of rain showers. Waves 5 to 8 ft occasionally to 10 ft. .SATURDAY NIGHT...Southwest winds to 30 kt veering to northwest 10 to 20 kt overnight. Rain showers likely with a chance of thunderstorms in the evening, then chance of rain showers and thunderstorms overnight. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to 9 ft. .SUNDAY...North winds 10 to 20 kt becoming northeast. Chance of rain showers in the morning, then rain showers in the afternoon. Waves 3 to 5 ft. .SUNDAY NIGHT...East winds to 30 kt becoming southeast gales to 35 kt. Showers. Waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft. .MONDAY...South winds to 30 kt. Showers likely. Waves 4 to 7 ft occasionally to 9 ft. .TUESDAY...Southwest winds 10 to 20 kt becoming south. Waves 2 to 4 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-261530- 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- 253 AM CDT Fri Apr 26 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .TODAY...Southeast winds 15 to 25 kt. Chance of rain showers this afternoon. Waves 3 to 5 ft. .TONIGHT...Southeast winds 15 to 25 kt becoming south to 30 kt. Rain showers likely with slight chance of thunderstorms in the evening, then rain showers likely with a chance of thunderstorms overnight. Waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft. .SATURDAY...South winds to 30 kt. Chance of showers and thunderstorms in the morning. Waves 5 to 8 ft occasionally to 10 ft. .SATURDAY NIGHT...South winds 15 to 25 kt becoming southwest. Chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms overnight. Waves 5 to 8 ft occasionally to 10 ft. .SUNDAY...Southeast winds 10 to 20 kt becoming south. Rain showers likely with a chance of thunderstorms in the morning, then chance of rain showers in the afternoon. Waves 3 to 5 ft. .SUNDAY NIGHT...South winds 10 to 20 kt increasing to 15 to 25 kt. Showers likely with a chance of thunderstorms. Waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft. .MONDAY...South winds to 30 kt. Showers likely. Waves 4 to 7 ft occasionally to 9 ft. .TUESDAY...Southwest winds 10 to 15 kt becoming south 10 to 20 kt. Waves 2 to 4 ft. $$ LMZ761-261530- MAFOR 2610/ MICHIGAN NORTH 14330 11330 13346. A chance of thunderstorms overnight. Waves 1 to 3 feet building to 2 to 4 feet today. Waves 2 to 4 feet building to 3 to 6 feet tonight. MICHIGAN SOUTH 14330 11336 12346 11446. A chance of thunderstorms overnight. Waves 1 to 3 feet building to 3 to 5 feet, then subsiding to 2 to 4 feet today. Waves 2 to 4 feet building to 4 to 7 feet tonight. $$ DDV Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes ####018012598#### FZUS63 KMQT 260753 GLFLS Open Lake Forecast for Lake Superior National Weather Service Marquette MI 353 AM EDT Fri Apr 26 2024 For waters beyond 5 nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. .SYNOPSIS...Broad high pressure of 30.4 inches over Quebec and the Lower Great Lakes will build to 30.5 inches as it shifts to New England and the Maritime Provinces today. Meanwhile, low pressure of 29.4 inches over western Kansas will deepen to 29.2 inches today as it lifts to eastern Nebraska. This low will continue to track northeast, weakening to 29.6 inches by the time it reaches northeast Lake Superior on Saturday evening. On Sunday, 30.5 inch high pressure will build over northern Ontario as a 29.6 inch low pressure lifts northeast across the central Plains. This low will continue to track northeast, crossing western Lake Superior during Monday. As the low moves over northern Ontario Monday night, a weak 30.0 inch ridge will shift east across the Mississippi Valley. On Tuesday, the ridge will shift toward the Appalachians as the next low pressure of 29.7 inches tracks from North Dakota to far northern Minnesota. LSZ162-261600- Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 353 AM EDT Fri Apr 26 2024 /253 AM CDT Fri Apr 26 2024/ ...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY MORNING... .EARLY THIS MORNING...Southeast winds 5 to 15 knots. Waves 1 to 3 feet. .TODAY...Southeast winds 10 to 20 knots backing east in the afternoon, then increasing to 15 to 25 knots late. A chance of rain showers by mid afternoon. Waves building to 2 to 4 feet. .TONIGHT...East winds 10 to 20 knots increasing to 20 to 30 knots after midnight, then backing northeast late. Rain showers and a slight chance of thunderstorms. Waves building to 3 to 6 feet occasionally to 8 feet. .SATURDAY...Northeast winds 15 to 25 knots diminishing to 10 to 20 knots in the afternoon, then backing northwest late. Rain showers and a slight chance of thunderstorms. Waves subsiding to 1 to 3 feet. .SATURDAY NIGHT...North winds 10 to 20 knots becoming northeast 15 to 25 knots after midnight. A slight chance of thunderstorms through midnight. A chance of rain showers. Waves building to 3 to 5 feet occasionally to 7 feet. .SUNDAY...Northeast gales to 40 knots. A chance of rain showers through early afternoon, then rain showers likely by mid afternoon. Waves building to 10 to 14 feet occasionally to 18 feet. .SUNDAY NIGHT...Northeast gales to 45 knots. Rain showers. Waves subsiding to 8 to 11 feet occasionally to 14 feet. .MONDAY...Northeast winds 20 to 30 knots becoming west 15 to 25 knots. Rain showers. Waves subsiding to 1 to 3 feet. .TUESDAY...Southwest winds 10 to 20 knots becoming west 15 to 25 knots. A chance of rain showers. Waves subsiding to calm to 2 feet, then building to 1 to 3 feet. $$ LSZ263-261600- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- 353 AM EDT Fri Apr 26 2024 ...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... .EARLY THIS MORNING...South winds 10 to 20 knots. Waves 2 to 4 feet. .TODAY...Southeast winds 10 to 20 knots increasing to 15 to 25 knots in the afternoon. Waves subsiding to 1 to 3 feet, then building to 4 to 7 feet occasionally to 9 feet. .TONIGHT...Southeast winds 15 to 25 knots backing east after midnight, then diminishing to 10 to 20 knots late. Rain showers likely and a slight chance of thunderstorms. Waves subsiding to 3 to 6 feet occasionally to 8 feet, then building to 5 to 8 feet occasionally to 10 feet. .SATURDAY...East winds 10 to 20 knots backing northeast in the afternoon, then backing northwest late. Rain showers likely through early afternoon. A slight chance of thunderstorms. A chance of rain showers by mid afternoon. Waves subsiding to 2 to 4 feet. .SATURDAY NIGHT...North winds 15 to 25 knots veering northeast after midnight. A slight chance of thunderstorms through midnight. A slight chance of rain showers. Waves building to 3 to 6 feet occasionally to 8 feet. .SUNDAY...Northeast winds 20 to 30 knots increasing to gales to 35 knots by mid afternoon. Rain showers likely by mid afternoon. Waves building to 7 to 11 feet occasionally to 14 feet. .SUNDAY NIGHT...East gales to 35 knots. Rain showers. Waves subsiding to 6 to 9 feet occasionally to 11 feet, then building to 7 to 10 feet occasionally to 13 feet. .MONDAY...East winds 20 to 30 knots becoming west 15 to 25 knots. Rain showers. Waves subsiding to 2 to 4 feet. .TUESDAY...Southwest winds 10 to 20 knots veering west. A chance of rain showers. Waves subsiding to calm to 2 feet, then building to 2 to 4 feet. $$ LSZ264-261600- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 353 AM EDT Fri Apr 26 2024 ...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY MORNING... .EARLY THIS MORNING...South winds 10 to 20 knots. Waves 3 to 5 feet occasionally to 7 feet. .TODAY...Southeast winds 10 to 20 knots increasing to 20 to 30 knots. Waves subsiding to 2 to 4 feet, then building to 4 to 7 feet occasionally to 9 feet. .TONIGHT...Southeast winds 20 to 30 knots. Rain showers. A slight chance of thunderstorms after midnight. Waves building to 6 to 9 feet occasionally to 11 feet. .SATURDAY...Southeast winds 15 to 25 knots diminishing to 10 to 20 knots in the afternoon, then backing north late. Rain showers likely and a slight chance of thunderstorms. Waves subsiding to 3 to 5 feet occasionally to 7 feet. .SATURDAY NIGHT...North winds 15 to 25 knots increasing to 20 to 30 knots after midnight. A chance of rain showers and a slight chance of thunderstorms through midnight. Waves building to 3 to 6 feet occasionally to 8 feet. .SUNDAY...Northeast winds 20 to 30 knots veering east by mid afternoon. A chance of rain showers. Waves subsiding to 3 to 5 feet occasionally to 7 feet. .SUNDAY NIGHT...East gales to 35 knots. Rain showers. Waves building to 7 to 10 feet occasionally to 13 feet. .MONDAY...East gales to 35 knots becoming west 15 to 25 knots. Rain showers. Waves subsiding to 2 to 4 feet. .TUESDAY...Southwest winds 10 to 20 knots backing south. A chance of rain showers. Waves subsiding to calm to 2 feet, then building to 1 to 3 feet. $$ LSZ265-261600- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- 353 AM EDT Fri Apr 26 2024 ...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY MORNING... .EARLY THIS MORNING...Southeast winds 10 to 20 knots. Waves 2 to 4 feet. .TODAY...Southeast winds 10 to 20 knots increasing to 20 to 30 knots. Waves building to 3 to 6 feet occasionally to 8 feet. .TONIGHT...Southeast winds 20 to 30 knots diminishing to 15 to 25 knots late. A chance of rain showers. A slight chance of thunderstorms after midnight. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .SATURDAY...Southeast winds 10 to 20 knots veering southwest late. A chance of showers and thunderstorms. Waves subsiding to 2 to 4 feet. .SATURDAY NIGHT...Northwest winds 15 to 25 knots veering north after midnight. A slight chance of showers and thunderstorms through midnight. Waves subsiding to 1 to 3 feet, then building to 3 to 5 feet occasionally to 7 feet. .SUNDAY...Northeast winds 15 to 25 knots veering east by mid afternoon. Rain showers likely by mid afternoon. Waves subsiding to 2 to 4 feet. .SUNDAY NIGHT...East gales to 35 knots. Rain showers. Waves building to 5 to 8 feet occasionally to 10 feet. .MONDAY...Southeast winds 15 to 25 knots veering west. Rain showers. Waves subsiding to calm to 2 feet. .TUESDAY...West winds 15 to 25 knots backing southwest. A chance of rain showers. Waves building to 1 to 3 feet. $$ LSZ266-261600- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 353 AM EDT Fri Apr 26 2024 ...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY MORNING... .EARLY THIS MORNING...South winds 15 to 25 knots. Waves 3 to 5 feet occasionally to 7 feet. .TODAY...South winds 15 to 25 knots backing southeast in the afternoon, then increasing to 20 to 30 knots late. Waves subsiding to 2 to 4 feet, then building to 4 to 7 feet occasionally to 9 feet. .TONIGHT...Southeast winds 20 to 30 knots. A chance of rain showers through midnight, then rain showers likely and a slight chance of thunderstorms after midnight. Waves building to 6 to 9 feet occasionally to 11 feet. .SATURDAY...Southeast winds 20 to 30 knots becoming south 15 to 25 knots in the afternoon. A chance of showers and thunderstorms. Waves subsiding to 3 to 5 feet occasionally to 7 feet. .SATURDAY NIGHT...Northwest winds 15 to 25 knots veering north after midnight. A chance of rain showers and a slight chance of thunderstorms through midnight. Waves building to 3 to 6 feet occasionally to 8 feet. .SUNDAY...Northeast winds 15 to 25 knots. Rain showers likely by mid afternoon. Waves subsiding to 2 to 4 feet, then building to 3 to 5 feet occasionally to 7 feet. .SUNDAY NIGHT...East gales to 35 knots. Rain showers. Waves building to 6 to 9 feet occasionally to 11 feet. .MONDAY...Southeast gales to 35 knots becoming west 15 to 25 knots. Rain showers. A chance of rain showers. Waves subsiding to 2 to 4 feet. .TUESDAY...Southwest winds 10 to 20 knots becoming south 15 to 25 knots. A chance of rain showers. Waves subsiding to calm to 2 feet, then building to 1 to 3 feet. $$ LSZ267-261600- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 353 AM EDT Fri Apr 26 2024 .EARLY THIS MORNING...South winds 15 to 25 knots. Waves 2 to 4 feet. .TODAY...Southeast winds 15 to 25 knots increasing to 20 to 30 knots late. Waves building to 4 to 7 feet occasionally to 9 feet. .TONIGHT...Southeast winds to 30 knots with a few gale force gusts to 35 knots possible. A chance of rain showers through midnight, then rain showers likely after midnight. Waves building to 5 to 8 feet occasionally to 10 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .SATURDAY...Southeast winds to 30 knots with a few gale force gusts to 35 knots possible becoming south 20 to 30 knots in the afternoon, then diminishing to 15 to 25 knots late. A chance of showers and thunderstorms. Waves subsiding to 3 to 5 feet occasionally to 7 feet. .SATURDAY NIGHT...West winds 15 to 25 knots becoming north 10 to 20 knots after midnight. A chance of showers and thunderstorms. Waves subsiding to 2 to 4 feet, then building to 3 to 5 feet occasionally to 7 feet. .SUNDAY...Northeast winds 15 to 25 knots. A chance of rain showers. Waves subsiding to 2 to 4 feet. .SUNDAY NIGHT...East winds 20 to 30 knots. Rain showers. Waves building to 4 to 7 feet occasionally to 9 feet. .MONDAY...Southeast winds 20 to 30 knots becoming southwest 10 to 20 knots. Rain showers. Waves subsiding to calm to 2 feet. .TUESDAY...West winds 10 to 20 knots becoming south 15 to 25 knots. A chance of rain showers. Waves building to 1 to 3 feet, then subsiding to calm to 2 feet. $$ LSZ261-261600- MAFOR 2609/ Superior West 12320 11210 12220 13236. Waves 1 to 5 feet. Superior North Central 11430 12330 13340 12346. Waves 3 to 7 feet today building to 6 to 9 feet tonight. Superior South Central 11430 11320 11330 12340 11330 11336 11346. Waves 2 to 5 feet today building to 4 to 7 feet tonight. Superior East 11420 12320 11330 12340 11330 11346. Waves 2 to 6 feet today and 5 to 9 feet tonight. $$ Rolfson Experimental modernized open lake forecast is available online at weather.gov/mqt/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes