186 FZUS63 KDTX 161944 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 344 PM EDT Thu Apr 16 2026 For waters beyond five nautical miles off shore on Lake Huron 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...Weak area of low pressure, 29.60 inches, tracks into the Great Lakes today maintaining periods of showers and thunderstorms. A powerful cold front looks to cross the area on Saturday, with will present strong winds ahead and behind the front. LHZ361-362-170345- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- 344 PM EDT Thu Apr 16 2026 .TONIGHT...Northwest winds 5 to 10 knots becoming light and variable. Areas of fog in the evening...then widespread fog after midnight. Waves 2 feet or less. .FRIDAY...Light and variable winds becoming east 5 to 10 knots late in the morning...then increasing to 10 to 15 knots in the afternoon. Widespread fog in the morning. Waves 2 feet or less building to 3 to 5 feet late in the afternoon. .FRIDAY NIGHT...East winds 10 to 15 knots becoming southeast 20 to 25 knots with gusts to around 30 knots. Showers likely after midnight. Waves 6 to 9 feet. Waves occasionally around 12 feet. .SATURDAY...South winds 20 to 25 knots with gusts to around 30 knots becoming west 15 to 20 knots early in the afternoon. Showers likely. Waves 8 to 12 feet. Waves occasionally around 15 feet. .SATURDAY NIGHT...West winds 20 to 25 knots. Gusts to 30 knots after midnight. Waves 6 to 9 feet. Waves occasionally around 12 feet. .SUNDAY...West winds 20 to 25 knots becoming northwest to 30 knots late in the afternoon...then decreasing to 20 to 25 knots late in the evening. Waves 8 to 12 feet. Waves occasionally around 15 feet. .MONDAY...Northwest winds 15 to 20 knots becoming west 10 to 15 knots in the late morning and early afternoon...then backing to the south early in the evening increasing to 20 to 25 knots by midnight. Waves 6 to 9 feet subsiding to 4 to 6 feet in the late morning and early afternoon...then subsiding to 1 to 3 feet early in the evening building to 6 to 9 feet by midnight. Waves occasionally around 12 feet. .TUESDAY...South winds 20 to 25 knots with gusts to around 30 knots becoming west 15 to 20 knots early in the evening...then becoming northwest 10 to 15 knots by midnight. Waves 8 to 12 feet subsiding to 4 to 6 feet by midnight. Waves occasionally around 15 feet. $$ LHZ363-462>464-170345- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 344 PM EDT Thu Apr 16 2026 .TONIGHT...North winds 5 to 10 knots becoming light and variable. Areas of fog in the evening...then widespread fog after midnight. Waves 2 feet or less. .FRIDAY...Light and variable winds becoming east 5 to 10 knots in the afternoon. Widespread fog in the morning. Waves 2 feet or less. .FRIDAY NIGHT...East winds 10 to 15 knots becoming southeast 20 to 25 knots with gusts to around 30 knots. A chance of showers after midnight. Waves 1 to 3 feet building to 4 to 6 feet in the late evening and overnight. Waves occasionally around 8 feet. .SATURDAY...South winds 20 to 25 knots with gusts to around 30 knots decreasing to 15 to 20 knots with gusts to around 30 knots in the late morning and early afternoon...then veering to the southwest early in the afternoon. Showers in the morning... then a chance of showers in the afternoon. Waves 6 to 9 feet. Waves occasionally around 12 feet. .SATURDAY NIGHT...West winds 15 to 20 knots. A chance of showers in the evening. Waves 5 to 7 feet. Waves occasionally around 10 feet. .SUNDAY...Northwest winds 15 to 20 knots increasing to 20 to 25 knots late in the evening. Waves 6 to 9 feet building to 8 to 12 feet late in the afternoon. Waves occasionally around 15 feet. .MONDAY...Northwest winds 15 to 20 knots decreasing to 10 to 15 knots in the late morning and early afternoon...then becoming northeast 5 to 10 knots early in the evening becoming south 15 to 20 knots by midnight. Waves 6 to 9 feet subsiding to 2 to 4 feet early in the evening...then building to 4 to 6 feet by midnight. Waves occasionally around 12 feet. .TUESDAY...South winds 20 to 25 knots with gusts to around 30 knots becoming southwest 15 to 20 knots early in the evening... then becoming west 10 to 15 knots by midnight. Waves 6 to 9 feet subsiding to 3 to 5 feet by midnight. Waves occasionally around 12 feet. $$ LHZ461-170345- MAFOR 1621/ HURON NORTH 12700 11703 11803 11103 11203 11300 11310. Waves 2 feet or less. HURON SOUTH 12800 13803 11203 12300. A chance of rain showers this evening. Waves 2 feet or less. $$ KDK Experimental modernized open lake forecast is available online at weather.gov/dtx/glftable (all lower case) Graphical marine forecasts are available online at weather.gov/greatlakes (all lower case)  286 FZUS63 KDTX 161944 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 344 PM EDT Thu Apr 16 2026 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...Weak area of low pressure, 29.60 inches, tracks into the Great Lakes today maintaining periods of showers and thunderstorms. A powerful cold front looks to cross the area on Saturday, with will present strong winds ahead and behind the front. LCZ460-170345- Lake St Clair- 344 PM EDT Thu Apr 16 2026 .TONIGHT...Northwest winds 5 to 10 knots veering to the north in the late evening and overnight. Mostly cloudy this evening becoming partly cloudy. A chance of thunderstorms early in the evening. Patchy fog early in the evening. Areas of fog late in the evening...then widespread fog after midnight. Waves 2 feet or less. .FRIDAY...Light and variable winds becoming southeast 5 to 10 knots late in the afternoon. Partly sunny. Widespread fog early in the morning...then areas of fog late in the morning. Waves 2 feet or less. .FRIDAY NIGHT...Southeast winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Partly cloudy ...then mostly cloudy with light showers likely and a chance of thunderstorms after midnight. Waves 2 feet or less. .SATURDAY...South winds 15 to 20 knots veering to the west early in the afternoon. Light showers and a chance of thunderstorms until late afternoon...then light showers likely early in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...West winds 15 to 20 knots. Partly cloudy. Light showers likely early in the evening...then a chance of light showers by midnight. Waves 1 to 3 feet. .SUNDAY...Northwest winds 15 to 20 knots. Mostly sunny in the morning becoming partly cloudy. Waves 1 to 3 feet. .MONDAY...South winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. .TUESDAY...West winds 20 to 25 knots. Partly cloudy. Waves 2 to 4 feet. $$ KDK Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes  917 FZUS61 KCLE 161945 GLFLE Open Lake Forecast for Lake Erie National Weather Service Cleveland OH 345 PM EDT Thu Apr 16 2026 For waters beyond five nautical miles of shore on Lake Erie 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... A weak trough averaging 29.90 inches resides over Lake Erie for the time being before a cold front moves southeastward across the lake this evening through tonight. Behind the front, a high pressure ridge averaging 30.00 inches builds from the northern Great Lakes through Friday. During Friday night through Saturday morning, the ridge will exit eastward and allow a warm front to sweep northward across Lake Erie. A cold front should then sweep eastward across Lake Erie late Saturday afternoon through Saturday night. Behind the cold front, a trough averaging 29.90 inches should linger over the lake through Sunday before a ridge averaging 30.30 inches builds from the west by Monday. On Tuesday, the ridge should exit eastward and allow a warm front to sweep northward across Lake Erie. LEZ162>164-170215- Detroit River Lt. to Maumee Bay OH to Reno Beach OH beyond 5NM offshoreline to US-Canadian border- Reno Beach to The Islands OH beyond 5NM off shoreline to US- Canadian border- The Islands to Vermilion OH beyond 5 nm off shoreline to US- Canadian border- 345 PM EDT Thu Apr 16 2026 .TONIGHT...West winds 5 to 10 knots becoming north. A chance of showers and thunderstorms early, then a chance of showers late this evening. Waves 2 feet or less. .FRIDAY...Northeast winds 10 knots or less becoming east. Waves 1 foot or less. .FRIDAY NIGHT...East winds 5 to 15 knots becoming south 15 to 20 knots. Showers likely with a chance of thunderstorms overnight. Waves 1 to 3 feet. .SATURDAY...South winds 15 to 20 knots becoming west. Showers with a chance of thunderstorms in the morning, then showers in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .SATURDAY NIGHT...West winds 15 to 20 knots. Showers likely in the evening, then a chance of showers overnight. Waves 2 to 4 feet. .SUNDAY...West winds 15 to 20 knots becoming northwest. Waves 1 to 3 feet building to 2 to 4 feet. .MONDAY...Northwest winds 5 to 15 knots becoming south 15 to 20 knots. Waves 1 to 3 feet. .TUESDAY...South winds 15 to 20 knots becoming west. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LEZ061-165>169-170215- Ripley to Buffalo NY extending from 5NM off shoreline to US- Canadian border- Vermilion to Avon Point OH beyond 5 nm off shoreline to US- Canadian border- Avon Point to Willowick OH beyond 5 nm off shoreline to US- Canadian border-Willowick to Geneva-on-the- Lake OH beyond 5NM off shoreline to US-Canadian border-Geneva-on- the-Lake to Conneaut OH beyond 5 nm off shoreline to US- Canadian border- Conneaut OH to Ripley NY beyond 5 nm off shoreline to US- Canadian border- 345 PM EDT Thu Apr 16 2026 .TONIGHT...Southwest winds 10 knots or less becoming northwest. A slight chance of showers and thunderstorms this evening, then a slight chance of showers after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet. .FRIDAY...Northwest winds less than 10 knots becoming northeast. Waves 1 foot or less. .FRIDAY NIGHT...East winds 5 to 15 knots becoming southeast. A chance of showers overnight. Waves 1 to 3 feet. .SATURDAY...South winds 15 to 20 knots becoming southwest. Showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 2 to 4 feet building to 3 to 5 feet. .SATURDAY NIGHT...Southwest winds 15 to 20 knots becoming west. Rain showers in the evening, then a chance of rain showers overnight. Waves 2 to 4 feet. .SUNDAY...West winds 15 to 20 knots becoming northwest. A chance of rain showers during the day. Waves 3 to 5 feet. .MONDAY...Northwest winds 15 to 20 knots becoming south. Waves 3 to 5 feet subsiding to 1 to 3 feet. .TUESDAY...South winds 15 to 20 knots becoming west. Waves 2 to 4 feet building to 3 to 5 feet. Winds and waves higher in and near thunderstorms. $$ LEZ161-170215- MAFOR 1621/ ERIE WEST 1/3 11610 11600 11700 11800 11100 13200. A chance of showers and thunderstorms this evening. Waves 1 to 3 feet subsiding to 1 foot or less tonight. Waves 1 foot or less Friday. ERIE CENTRAL 1/3 11500 12600 12700 12800 11100. A chance of showers and thunderstorms early this evening. Waves 2 to 4 feet subsiding to 1 to 3 feet tonight. Waves 1 foot or less Friday. ERIE EAST 1/3 12500 15600. A chance of thunderstorms early this evening. Waves 2 to 4 feet subsiding to 1 to 2 feet tonight. Waves 1 foot or less Friday. $$  310 FZUS63 KMKX 161950 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 250 PM CDT Thu Apr 16 2026 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 weakening boundary is slowly moving toward the southern end of Lake Michigan. This boundary is expected to clear the southern end of Lake Michigan this evening, with winds becoming light and variable tonight for a time as a weak surface ridge moves over the lake. Dense fog will continue over the lake through this time. Winds then come around to southerly tomorrow morning as a surface low of 29.5 inches approaches from the central plains. This surface low will quickly move from Omaha to Duluth from the morning into the afternoon. Winds will become gusty and southeasterly Friday night, and strong to severe storms will move east over the lake as a cold front sweeps through the area. Winds then become northwesterly behind the cold front Saturday morning. Breezy northwesterly winds then continue Saturday through Sunday as the low then races northeast toward Hudson Bay. Winds ease Monday morning as high pressure move southeast over the upper Great Lakes. LMZ261-362-364-366-563-565-567-868-170315- 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- 250 PM CDT Thu Apr 16 2026 SHEBOYGAN WI TO PENTWATER MI NORTH... ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT FRIDAY... .TONIGHT...Northeast winds 5 to 10 kt veering to southeast. Patchy dense fog this evening, then areas of dense fog overnight. Waves 1 to 2 ft. .FRIDAY...Southeast winds 10 to 15 kt increasing to 15 to 25 kt. Areas of dense fog in the morning, then patchy dense fog in the afternoon. Waves 1 to 3 ft building to 3 to 5 ft. .FRIDAY NIGHT...Southeast winds 15 to 25 kt becoming southwest. Rain showers with a chance of thunderstorms. Waves 5 to 8 ft occasionally to 10 ft. .SATURDAY...West winds 15 to 25 kt. Chance of rain showers. Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to 8 ft. .SATURDAY NIGHT...West winds 15 to 25 kt becoming northwest to 30 kt. Waves 4 to 6 ft occasionally to 8 ft. .SUNDAY...Northwest winds to 30 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. .SUNDAY NIGHT...North winds 15 to 25 kt diminishing to 10 to 20 kt. Waves 2 to 4 ft. .MONDAY...Southwest winds 10 to 15 kt becoming south 10 to 20 kt. Waves 2 to 4 ft. .TUESDAY...Southwest gales to 35 kt diminishing to 15 to 25 kt. Waves 7 to 10 ft occasionally to 13 ft. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-170315- 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- 250 PM CDT Thu Apr 16 2026 SHEBOYGAN WI TO PENTWATER MI SOUTH... ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT FRIDAY... .TONIGHT...North winds 5 to 10 kt veering to southeast. Areas of dense fog. Waves 1 to 2 ft. .FRIDAY...Southeast winds 5 to 10 kt increasing to 15 to 25 kt. Areas of dense fog in the morning, then patchy dense fog in the afternoon. Waves 1 to 2 ft building to 3 to 5 ft. .FRIDAY NIGHT...South winds 15 to 25 kt becoming southwest. Rain showers with a chance of thunderstorms. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to 9 ft. .SATURDAY...West winds 15 to 25 kt. Chance of rain showers. Waves 4 to 7 ft occasionally to 9 ft. .SATURDAY NIGHT...West winds 10 to 20 kt increasing to 15 to 25 kt. Waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft occasionally to 9 ft. .SUNDAY...Northwest winds 15 to 25 kt. Waves 4 to 7 ft occasionally to 9 ft. .SUNDAY NIGHT...North winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 3 to 5 ft subsiding to 1 to 3 ft. .MONDAY...Southeast winds 10 to 15 kt increasing to 10 to 20 kt. Waves 2 to 4 ft. .TUESDAY...Southwest winds to 30 kt diminishing to 15 to 25 kt. Waves 7 to 10 ft occasionally to 13 ft. $$ LMZ761-170315- MAFOR 1622/ MICHIGAN NORTH 11710 19714 11300 19304 12404 11304 11414 11420 11330. Waves 2 feet or less tonight. Waves 2 feet or less building to 2 to 4 feet Friday. MICHIGAN SOUTH 11814 11104 12404 11304 11314 11320 11330. Waves 2 feet or less tonight. Waves 1 to 3 feet building to 2 to 4 feet Friday. $$ CMiller Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes