FZUS63 KMKX 312008 AAA GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 237 PM CDT Sat Oct 31 2020 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... A strong surface low around 29.2 inches will move from southwest Ontario into Quebec tonight and Sunday. This system will continue to be responsible for periods of very strong winds across Lake Michigan through the rest of this weekend. Very strong southerly winds will occur into this evening. Then a strong cold front will push across Lake Michigan tonight, and very strong winds will shift to the west later tonight and then northwest by Sunday morning, lingering into Sunday evening. With this potent system, expect storm force southerly winds into this evening over the northern third of Lake Michigan, with northwest storm force winds Sunday morning through Sunday afternoon. A Storm Warning is in effect into Sunday evening for the northern third of the lake. Further south, expect gale force conditions to develop for the same time frame, and a Gale Warning is in effect into Sunday evening for the southern portions of the lake. && LMZ261-362-364-366-563-565-010315- 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- 237 PM CDT Sat Oct 31 2020 TWO RIVERS WI TO MANISTEE MI NORTH... ...STORM WARNING IN EFFECT THROUGH SUNDAY EVENING... .TONIGHT...South storm force winds to 55 kt becoming southwest storm force winds to 50 kt late this evening, then becoming west gales to 40 kt overnight. Chance of rain showers. Waves 14 to 18 ft occasionally to 23 ft subsiding to 8 to 12 ft occasionally to 16 ft. .SUNDAY...West gales to 40 kt becoming northwest storm force winds to 50 kt. Chance of rain showers in the morning, then rain showers likely in the afternoon. Waves 12 to 16 ft occasionally to 21 ft. .SUNDAY NIGHT...Northwest storm force winds to 50 kt diminishing to 10 to 20 kt. Waves 12 to 16 ft occasionally to 21 ft subsiding to 4 to 7 ft occasionally to 9 ft. .MONDAY...West winds to 30 kt. Waves 5 to 8 ft occasionally to 10 ft. .MONDAY NIGHT...Northwest winds to 30 kt diminishing to 15 to 25 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft. .TUESDAY...West winds 10 to 20 kt becoming southwest. Waves 1 to 3 ft. .TUESDAY NIGHT...Southwest winds 15 to 25 kt. Waves 3 to 5 ft. .WEDNESDAY...Southwest winds 15 to 25 kt. Waves 4 to 6 ft occasionally to 8 ft. .THURSDAY...Southwest winds 10 to 20 kt. Waves 3 to 5 ft. $$ LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-010315- 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- 237 PM CDT Sat Oct 31 2020 TWO RIVERS WI TO MANISTEE MI SOUTH... ...GALE WARNING IN EFFECT THROUGH SUNDAY EVENING... .TONIGHT...South gales to 40 kt veering to northwest. Chance of rain showers. Waves 12 to 16 ft occasionally to 21 ft subsiding to 8 to 12 ft occasionally to 16 ft. .SUNDAY...Northwest gales to 45 kt. Slight chance of rain showers. Waves 14 to 18 ft occasionally to 23 ft. .SUNDAY NIGHT...Northwest gales to 45 kt diminishing to 15 to 25 kt. Waves 14 to 18 ft occasionally to 23 ft subsiding to 7 to 10 ft occasionally to 13 ft. .MONDAY...West winds to 30 kt. Waves 6 to 9 ft occasionally to 12 ft. .MONDAY NIGHT...West winds to 30 kt becoming northwest 10 to 20 kt overnight. Waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 6 ft occasionally to 8 ft. .TUESDAY...West winds 10 to 15 kt becoming south 10 to 20 kt. Waves 2 to 4 ft. .TUESDAY NIGHT...South winds 10 to 20 kt becoming southwest. Waves 3 to 5 ft. .WEDNESDAY...South winds 10 to 20 kt increasing to 15 to 25 kt. Waves 4 to 6 ft occasionally to 8 ft. .THURSDAY...Southwest winds 10 to 20 kt. Waves 3 to 5 ft. $$ LMZ761-010315- MAFOR 3121/ MICHIGAN NORTH...STORM WARNING IN EFFECT...12470 11576 12650 11760 11770 11776. Chance of rain showers overnight and Sunday morning. Waves 13 to 18 feet subsiding to 8 to 11 feet tonight. Waves 10 to 14 feet building to 11 to 15 feet Sunday. MICHIGAN SOUTH...GALE WARNING IN EFFECT...12450 11550 11650 11750 13760. Chance of rain showers tonight. Waves 10 to 14 feet subsiding to 8 to 11 feet tonight. Waves 10 to 14 feet building to 12 to 17 feet Sunday. $$ Wood Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes