Great Lakes Forecast
Issued by NWS
Issued by NWS
634 FZUS63 KMKX 180137 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 837 PM CDT Fri May 17 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... Light winds will continue tonight under the western edge of high pressure of 30.0 inches centered over the eastern United States. Southerly winds will pick up a bit on Saturday ahead of an approaching trough of low pressure. Winds will switch to northerly on Sunday behind the trough, as high pressure of 30.0 inches moves back into the area. Breezy southerly winds will return to the area for Monday and Tuesday ahead of the next approaching low pressure system. Areas of fog will likely continue across roughly the southern half of the lake tonight, winding down Saturday morning. Will continue to monitor satellite trends to determine if the current advisory will need to be extended past 09Z tonight. LMZ261-362-364-366-563-565-180915- 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- 837 PM CDT Fri May 17 2024 TWO RIVERS WI TO MANISTEE MI NORTH... .REST OF TONIGHT...East winds 5 to 10 kt becoming south. Patchy fog. Waves 1 ft or less. .SATURDAY...Southeast winds 5 to 10 kt increasing to 10 to 20 kt. Patchy dense fog in the morning. Waves 1 to 2 ft. .SATURDAY NIGHT...South winds 10 to 20 kt veering to west. Chance of thunderstorms overnight. Waves 1 to 3 ft. .SUNDAY...Northwest winds 10 to 15 kt becoming west. Waves 1 to 3 ft. .SUNDAY NIGHT...Southeast winds 5 to 10 kt increasing to 10 to 15 kt. Waves 1 ft or less. .MONDAY...South winds 10 to 20 kt. Chance of showers. Waves 1 to 3 ft building to 3 to 5 ft. .MONDAY NIGHT...South winds 10 to 20 kt diminishing to 10 to 15 kt. Showers likely with a chance of thunderstorms. Waves 2 to 4 ft. .TUESDAY...Southeast winds 10 to 15 kt increasing to 10 to 20 kt. Chance of showers and thunderstorms. Waves 1 to 3 ft. .WEDNESDAY...Southwest winds 15 to 25 kt. Chance of showers. Waves 3 to 5 ft. $$ LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-180915- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Two Rivers to Sheboygan WI 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 Pentwater to Manistee MI 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- 837 PM CDT Fri May 17 2024 TWO RIVERS WI TO MANISTEE MI SOUTH... ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY... .REST OF TONIGHT...Northeast winds 5 to 10 kt veering to south. Patchy dense fog. Waves 1 ft or less. .SATURDAY...Southeast winds 5 to 10 kt becoming south 10 to 20 kt. Patchy dense fog in the morning. Waves 1 to 2 ft. .SATURDAY NIGHT...South winds 10 to 20 kt becoming southwest 10 to 15 kt. Waves 1 to 3 ft. .SUNDAY...Northwest winds 10 to 15 kt becoming north. Waves 1 to 2 ft. .SUNDAY NIGHT...Northeast winds 5 to 10 kt veering to southeast 10 to 15 kt. Waves 1 to 2 ft. .MONDAY...South winds 10 to 20 kt. Chance of showers in the afternoon. Waves 2 to 4 ft building to 3 to 5 ft. .MONDAY NIGHT...South winds 10 to 20 kt diminishing to 10 to 15 kt. Showers likely with a chance of thunderstorms. Waves 2 to 4 ft. .TUESDAY...South winds 10 to 20 kt. Showers likely. Waves 2 to 4 ft. .WEDNESDAY...Southwest winds 15 to 25 kt diminishing to 10 to 20 kt. Chance of showers. Waves 3 to 5 ft. $$ LMZ761-180915- MAFOR 1804/ MICHIGAN NORTH 11300 19304 12400 19404 11410 19414 11410 13420. Waves 2 feet or less. MICHIGAN SOUTH 13300 19304 11310 19314 11410 11420 11320 11420. Waves 2 feet or less. $$ DDV Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes