571 FZUS63 KDTX 180726 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 326 AM EDT Sat Apr 18 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...Low pressure, 29.30 inches, lifting into northern Ontario drags a respectable cold front through the central Great Lakes this morning supporting another round of showers and a few thunderstorms. Colder air filters into the region the rest of the weekend maintaining moderate to strong northwesterly winds. LHZ361>363-181530- 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- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 326 AM EDT Sat Apr 18 2026 .TODAY...South winds 20 to 25 knots with gusts to around 30 knots becoming west 15 to 20 knots in the afternoon. Showers likely in the morning. Waves 8 to 12 feet. Waves occasionally around 15 feet. .TONIGHT...West winds 10 to 15 knots. Waves 5 to 7 feet. Waves occasionally around 10 feet. .SUNDAY...West winds 10 to 15 knots becoming northwest 15 to 20 knots with gusts to around 30 knots in the late morning and afternoon. Waves 5 to 7 feet building to 6 to 9 feet early in the afternoon. Waves occasionally around 12 feet. .SUNDAY NIGHT...Northwest winds 20 to 25 knots with gusts to around 30 knots decreasing to 15 to 20 knots after midnight. Waves 8 to 12 feet. Waves occasionally around 15 feet. .MONDAY...Northwest winds 10 to 15 knots becoming west 5 to 10 knots late in the morning...then becoming southeast 10 to 15 knots late in the afternoon becoming south 15 to 20 knots late in the evening. Waves 4 to 6 feet subsiding to 1 to 3 feet late in the afternoon...then building to 6 to 9 feet late in the evening. Waves occasionally around 12 feet. .TUESDAY...South winds 20 to 25 knots with gusts to around 30 knots becoming southwest 15 to 20 knots in the late morning and early afternoon...then becoming south 10 to 15 knots early in the evening veering to the northwest by midnight. Waves 6 to 9 feet subsiding to 3 to 5 feet by midnight. Waves occasionally around 12 feet. .WEDNESDAY...North winds 10 to 15 knots becoming northeast 5 to 10 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet . $$ LHZ462>464-181530- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 326 AM EDT Sat Apr 18 2026 .TODAY...South winds 20 to 25 knots with gusts to around 30 knots decreasing to 15 to 20 knots with gusts to around 30 knots late in the morning...then veering to the southwest early in the afternoon becoming west 10 to 15 knots late in the afternoon. A chance of showers. Waves 5 to 7 feet. Waves occasionally around 10 feet. .TONIGHT...West winds 10 to 15 knots. Waves 2 to 4 feet. .SUNDAY...West winds 10 to 15 knots. A chance of snow showers in the afternoon. Waves 2 to 4 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots. Waves 6 to 9 feet. Waves occasionally around 12 feet. .MONDAY...Northwest winds 10 to 15 knots decreasing to 5 to 10 knots late in the morning...then veering to the northeast late in the afternoon becoming south 15 to 20 knots late in the evening. Waves 4 to 6 feet subsiding to 1 to 3 feet late in the afternoon...then building to 4 to 6 feet late in the evening. Waves occasionally around 8 feet. .TUESDAY...South winds 20 to 25 knots with gusts to around 30 knots decreasing to 15 to 20 knots in the late morning and early afternoon...then decreasing to 10 to 15 knots early in the evening backing to the south 10 to 15 knots by midnight. Waves 6 to 9 feet subsiding to 3 to 5 feet . Waves occasionally around 12 feet. .WEDNESDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet . $$ LHZ461-181530- MAFOR 1809/ HURON NORTH 12436 19456 11630 11620 11720 12710 11610. Waves 6 to 9 feet. Occasional wave height around 12 feet today. Waves 5 to 7 feet subsiding to 3 to 5 feet...THEN subsiding to 2 to 4 feet. Occasional wave height around 10 feet tonight. HURON SOUTH 12436 11526 11610 12600 11610 11710. Waves 5 to 7 feet subsiding to 3 to 5 feet. Occasional wave height around 10 feet today. Waves 2 to 4 feet tonight. $$ MV Experimental modernized open lake forecast is available online at weather.gov/dtx/glftable (all lower case) Graphical marine forecasts are available online at weather.gov/greatlakes (all lower case)  889 FZUS63 KDTX 180726 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 326 AM EDT Sat Apr 18 2026 Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. .SYNOPSIS...Low pressure, 29.30 inches, lifting into northern Ontario drags a respectable cold front through the central Great Lakes this morning supporting another round of showers and a few thunderstorms. Colder air filters into the region the rest of the weekend maintaining moderate to strong northwesterly winds. LCZ460-181530- Lake St Clair- 326 AM EDT Sat Apr 18 2026 .TODAY...South winds 15 to 20 knots veering to the west in the afternoon. Showers in the morning...then light showers early in the afternoon. Waves 1 to 3 feet. .TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Partly cloudy. Waves 2 feet or less. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots early in the afternoon. Partly sunny. A chance of light showers early in the afternoon. Waves 2 feet or less. .SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming north 10 to 15 knots in the late evening and overnight. Mostly clear. A chance of light showers early in the evening. Waves 2 feet or less. .MONDAY...Northwest winds 10 to 15 knots diminishing to 5 to 10 knots in the afternoon...then veering to the southeast in the evening. Mostly clear. Waves 2 feet or less. .TUESDAY...West winds 15 to 20 knots. Partly cloudy. Waves 1 to 3 feet. .WEDNESDAY...Northeast winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. $$ MV Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes  657 FZUS61 KCLE 180736 GLFLE Open Lake Forecast for Lake Erie National Weather Service Cleveland OH 336 AM EDT Sat Apr 18 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... Low pressure 29.40 inches will drag a cold front east through the Great Lakes and Ohio Valley this evening. A trough averaging 29.90 inches builds across the lake on Sunday before high pressure 30.40 inches moves overhead Sunday night into Monday. LEZ162>164-181415- 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- 336 AM EDT Sat Apr 18 2026 .TODAY...South winds 15 to 20 knots becoming west. Showers with a chance of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet. .TONIGHT...West winds 15 to 20 knots. A slight chance of showers early. Waves 2 to 4 feet. .SUNDAY...West winds 15 to 20 knots. A chance of showers in the afternoon. Waves 2 to 4 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming north 10 to 15 knots. A chance of rain showers in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet. .MONDAY...North 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 10 to 15 knots. Waves 1 to 3 feet. .WEDNESDAY...North winds 10 to 15 knots becoming east 10 knots or less. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LEZ165>168-181415- Vermilion to Avon Point OH beyond 5 nm off shoreline to US- Canadian border- Avon Point to Willowick OH beyond 5 nm off shoreline to US- Canadian border-Willowick to Geneva-on-the- Lake OH beyond 5NM off shoreline to US-Canadian border-Geneva-on- the-Lake to Conneaut OH beyond 5 nm off shoreline to US- Canadian border- 336 AM EDT Sat Apr 18 2026 .TODAY...South winds 15 to 20 knots becoming west. A chance of showers with a slight chance of thunderstorms this morning, then showers with a chance of thunderstorms early this afternoon. Showers likely with a slight chance of thunderstorms late. Waves 2 to 4 feet. .TONIGHT...West winds 15 to 20 knots. A slight chance of showers early, then a chance of showers late in the evening. Waves 2 to 4 feet. .SUNDAY...West winds 15 to 20 knots. A chance of rain showers in the afternoon. Waves 2 to 4 feet. .SUNDAY NIGHT...West winds 15 to 20 knots becoming north 10 to 15 knots. A chance of rain showers in the evening. Waves 2 to 4 feet. .MONDAY...Northwest winds 5 to 15 knots becoming south. Waves 1 to 3 feet. .TUESDAY...South winds 15 to 20 knots becoming west 10 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. .WEDNESDAY...North winds 5 to 15 knots becoming east 10 knots or less. Waves 1 to 3 feet subsiding to 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LEZ061-169-181415- Ripley to Buffalo NY extending from 5NM off shoreline to US- Canadian border- Conneaut OH to Ripley NY beyond 5 nm off shoreline to US- Canadian border- 336 AM EDT Sat Apr 18 2026 .TODAY...South winds 15 to 20 knots becoming southwest. A slight chance of showers late this morning. A chance of showers with a slight chance of thunderstorms early this afternoon, then showers with a chance of thunderstorms late. Waves 1 to 3 feet building to 2 to 4 feet. .TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of rain showers through the early overnight. Waves 2 to 4 feet. .SUNDAY...West winds 10 to 15 knots increasing to 15 to 20 knots. A chance of rain and snow showers in the afternoon. Waves 2 to 4 feet. .SUNDAY NIGHT...West winds 10 to 15 knots becoming northwest. A chance of rain showers in the evening. Waves 2 to 4 feet subsiding to 1 to 2 feet. .MONDAY...Northwest winds 5 to 10 knots becoming south. Waves 1 to 2 feet. .TUESDAY...South winds 5 to 15 knots becoming southwest. Waves 1 to 2 feet. .WEDNESDAY...North winds 10 knots or less becoming northeast. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LEZ161-181415- MAFOR 1809/ ERIE WEST 1/3 11420 11426 11526 13620 11720 11620. A chance of thunderstorms early this morning. A chance of thunderstorms this afternoon. Waves 1 to 3 feet building to 2 to 4 feet today. Waves 2 to 4 feet tonight. ERIE CENTRAL 1/3 12420 11526 11626 14620. A chance of thunderstorms this afternoon. Waves 1 to 3 feet building to 2 to 4 feet today. Waves 2 to 4 feet tonight. ERIE EAST 1/3 13420 11526 11520 13610. A chance of thunderstorms this afternoon. Waves 1 to 3 feet building to 2 to 4 feet today. Waves 2 to 4 feet tonight. $$