####018005378#### FZUS63 KDTX 211957 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 357 PM EDT Sun Apr 21 2024 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...Upper level trough holds over the Great Lakes for the remainder of the weekend maintaining cooler, moderate west to northwest flow. High pressure, 30.30 inches, then briefly works across the region tonight through the first half of Monday. Northern Plains low pressure, 29.50 inches, then reaches the Great Lakes by Tuesday. LHZ361-362-220400- 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- 357 PM EDT Sun Apr 21 2024 .TONIGHT...Northwest winds 15 to 20 knots with gusts to around 30 knots decreasing to 5 to 10 knots. Waves 4 to 6 feet. .MONDAY...South winds 5 to 10 knots increasing to 15 to 20 knots. Waves 1 to 3 feet building to 3 to 5 feet in the afternoon. Waves occasionally around 8 feet. .MONDAY NIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Showers after midnight. Waves 4 to 6 feet. Waves occasionally around 8 feet. .TUESDAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots in the late morning and afternoon. A chance of showers. Waves 8 to 12 feet. Waves occasionally around 15 feet. .TUESDAY NIGHT...Northwest winds 10 to 15 knots becoming north 20 to 25 knots with gusts to around 30 knots in the late evening and overnight. A chance of rain and snow showers in the evening. Waves 6 to 9 feet. Waves occasionally around 12 feet. .WEDNESDAY...North winds 15 to 20 knots with gusts to around 30 knots decreasing to 10 to 15 knots late in the morning...then becoming west 5 to 10 knots late in the afternoon. Waves 8 to 12 feet subsiding to 3 to 5 feet late in the afternoon. Waves occasionally around 15 feet. .THURSDAY...Southwest winds 5 to 10 knots backing to the southeast until early morning. Waves 1 to 3 feet. .FRIDAY...Southeast winds 5 to 10 knots becoming east 15 to 20 knots. A chance of showers in the late evening and early morning. Waves 1 to 3 feet building to 3 to 5 feet. $$ LHZ363-462>464-220400- 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- 357 PM EDT Sun Apr 21 2024 .TONIGHT...West winds 5 to 10 knots becoming north 10 to 15 knots in the late evening and early morning...then decreasing to 5 to 10 knots early in the morning. Waves 3 to 5 feet. .MONDAY...Light and variable winds becoming south 10 to 15 knots in the late morning and afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and early afternoon...then building to 2 to 4 feet late in the afternoon. .MONDAY NIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots after midnight. A chance of showers after midnight. Waves 3 to 5 feet building to 6 to 9 feet after midnight. Waves occasionally around 12 feet. .TUESDAY...Southwest winds 15 to 20 knots. A chance of showers in the morning...then showers likely in the afternoon. Waves 8 to 12 feet. Waves occasionally around 15 feet. .TUESDAY NIGHT...Southwest winds 10 to 15 knots becoming north 15 to 20 knots with gusts to around 30 knots in the late evening and early morning...then increasing to 30 knots with gusts to 35 knot gales after midnight. Showers likely in the evening... then a chance of showers after midnight. Waves 5 to 7 feet building to 10 to 14 feet after midnight. Waves occasionally around 18 feet. .WEDNESDAY...North winds 20 to 25 knots with gusts to around 30 knots decreasing to 5 to 10 knots. Waves 10 to 14 feet subsiding to 5 to 7 feet late in the afternoon. Waves occasionally around 18 feet. .THURSDAY...North winds 5 to 10 knots veering to the east in the late morning and early afternoon...then backing to the east 5 to 10 knots early in the evening veering to the east in the late evening and early morning. Waves 2 to 4 feet subsiding to 1 to 3 feet. .FRIDAY...Southeast winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and early morning. Showers likely in the late evening and early morning. Waves 1 to 3 feet building to 2 to 4 feet until early morning. $$ LHZ461-220400- MAFOR 2121/ HURON NORTH 13720 11700 11600 11510 12420. Waves 3 to 5 feet subsiding to 2 to 4 feet tonight. Waves 2 feet or less building to 2 to 4 feet...THEN building to 3 to 5 feet Monday. HURON SOUTH 11600 11810 11820 11810 11700 11500 12410. Waves 1 to 3 feet building to 3 to 5 feet tonight. Waves 1 to 3 feet Monday. $$ KGK 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) ####018002259#### FZUS63 KDTX 211957 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 357 PM EDT Sun Apr 21 2024 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...Upper level trough holds over the Great Lakes for the remainder of the weekend maintaining cooler, moderate west to northwest flow. High pressure, 30.30 inches, then briefly works across the region tonight through the first half of Monday. Northern Plains low pressure, 29.50 inches, then reaches the Great Lakes by Tuesday. LCZ460-220400- Lake St Clair- 357 PM EDT Sun Apr 21 2024 .TONIGHT...West winds 5 to 10 knots increasing to 10 to 15 knots late in the evening...then becoming northwest 5 to 10 knots after midnight veering to the north early in the morning. Mostly clear. Waves 2 feet or less. .MONDAY...Southeast winds 5 to 10 knots veering to the south in the late morning and afternoon. Mostly sunny. Waves 2 feet or less. .MONDAY NIGHT...South winds 10 to 15 knots becoming southwest 15 to 20 knots after midnight. Partly cloudy in the evening becoming mostly cloudy. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .TUESDAY...Southwest winds 15 to 20 knots. Mostly cloudy. Light showers likely. Waves 2 to 4 feet. .TUESDAY NIGHT...Southwest winds 10 to 15 knots becoming north 15 to 20 knots with gusts to 30 knots after midnight. Mostly cloudy. Light showers likely in the evening. Waves 1 to 3 feet. A Small Craft Advisory may be needed. .WEDNESDAY...North winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots in the afternoon and evening. Partly cloudy in the morning then clearing. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon and evening. .THURSDAY...East winds 5 to 10 knots. Clear. Waves 2 feet or less. .FRIDAY...East winds 10 to 15 knots. Partly cloudy. A chance of light showers. Waves 2 feet or less. $$ KGK Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes ####018006133#### FZUS63 KMKX 211959 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Milwaukee/Sullivan WI 259 PM CDT Sun Apr 21 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... Westerly winds have shifted to become southerly across the northern portions of the Lake as high pressure of 30.3 inches sinks southward into the Lower Mississippi Valley and low pressure of 29.5 inches remains in place over northern Quebec. Winds remain light through the overnight hours. Breezy south winds will develop Monday, shifting westerly into Tuesday afternoon as low pressure of 29.5 inches approaches the northern Great Lakes from Saskatchewan and Manitoba and passes to the north. Winds could approach gale force during this time. Winds shift to northerly Tuesday night as the low passes eastward and a cold front moves down the lake. Northerly gales will be possible behind the front. LMZ080-669-671-673-675-777-779-870-872-874-876-878-220315- 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- 259 PM CDT Sun Apr 21 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .TONIGHT...Southwest winds 10 to 20 kt diminishing to 10 to 15 kt late this evening, then becoming west after midnight becoming southwest 5 to 10 kt late. Waves 1 to 3 ft. .MONDAY...Southwest winds 10 to 15 kt becoming south 15 to 25 kt. Waves 1 to 2 ft building to 3 to 5 ft. .MONDAY NIGHT...South winds 15 to 25 kt becoming southwest gales to 35 kt. Showers likely overnight. Waves 4 to 6 ft occasionally to 8 ft building to 7 to 10 ft occasionally to 13 ft. .TUESDAY...Southwest winds to 30 kt diminishing to 10 to 20 kt in the afternoon. Chance of showers in the morning, then showers likely in the afternoon. Waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 7 ft occasionally to 9 ft. .TUESDAY NIGHT...Northwest winds to 30 kt becoming north. Waves 6 to 9 ft occasionally to 12 ft building to 8 to 11 ft occasionally to 14 ft. .WEDNESDAY...North winds 15 to 25 kt diminishing to 10 to 20 kt. Waves 7 to 10 ft occasionally to 13 ft subsiding to 5 to 8 ft occasionally to 10 ft. .WEDNESDAY NIGHT...North winds 10 to 20 kt becoming east 10 to 15 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. .THURSDAY...Southeast winds 10 to 15 kt. Waves 1 to 3 ft. .FRIDAY...Southeast winds to 30 kt. Rain showers likely. Waves 4 to 7 ft occasionally to 9 ft. $$ LMZ261-362-364-366-563-565-567-868-220315- Lake Michigan from Seul Choix Point to Rock Island Passage 5 NM offshore to Mid Lake- Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and north of a line from Charlevoix MI to South Fox Island 5 NM offshore- Lake Michigan from Charlevoix to Point Betsie MI 5 NM offshore to Mid Lake- Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to Mid Lake- Lake Michigan from Rock Island Passage to Sturgeon Bay WI- Lake Michigan from Sturgeon Bay to Two Rivers WI 5 NM offshore to Mid Lake- Lake Michigan from Two Rivers to Sheboygan WI 5 NM offshore to Mid Lake- Lake Michigan from Pentwater to Manistee MI 5 NM offshore to Mid Lake- 259 PM CDT Sun Apr 21 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .TONIGHT...Northwest winds 10 to 20 kt backing to south 10 to 15 kt. Waves 1 to 3 ft. .MONDAY...South winds 10 to 20 kt increasing to 30 kt. Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. .MONDAY NIGHT...South winds to 30 kt becoming southwest. Rain showers likely in the evening, then rain showers overnight. Waves 5 to 8 ft occasionally to 10 ft. .TUESDAY...Southwest winds to 30 kt becoming west. Chance of rain showers in the morning, then rain showers likely in the afternoon. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft occasionally to 8 ft. .TUESDAY NIGHT...North winds to 30 kt. Waves 6 to 9 ft occasionally to 12 ft. .WEDNESDAY...Northeast winds 15 to 25 kt becoming north 10 to 20 kt. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft occasionally to 8 ft. .WEDNESDAY NIGHT...Northeast winds 10 to 20 kt becoming southeast 5 to 10 kt. Waves 2 to 4 ft subsiding to 1 to 2 ft. .THURSDAY...South winds 10 to 15 kt. Waves 1 to 3 ft. .FRIDAY...Southeast winds to 30 kt. Chance of rain showers. Waves 4 to 6 ft occasionally to 8 ft. $$ LMZ761-220315- MAFOR 2122/ MICHIGAN NORTH 11630 11810 11300 12410 11420 11430 11440. Waves 1 to 3 feet tonight. Waves 1 to 3 feet building to 3 to 5 feet Monday. MICHIGAN SOUTH 12510 11610 11600 12510 11420 11430. Waves 2 feet or less tonight. Waves 1 to 3 feet building to 2 to 4 feet Monday. $$ MH Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes