####018006539#### FZUS63 KDTX 210802 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 400 AM 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, 30.10 inches, then briefly works across the region Sunday night through the first half of Monday. Northern Plains low pressure, 29.50 inches, then reaches the Great Lakes by Tuesday. LHZ361-362-212000- 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- 400 AM EDT Sun Apr 21 2024 .TODAY...West winds 10 to 15 knots increasing to 15 to 20 knots late in the morning...then decreasing to 10 to 15 knots early in the afternoon increasing to 15 to 20 knots late in the afternoon. Waves 3 to 5 feet. .TONIGHT...Northwest winds 15 to 20 knots with gusts to around 30 knots becoming west 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 late morning and afternoon. Waves occasionally around 8 feet. .MONDAY NIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. A chance of showers after midnight. Waves 4 to 6 feet. Waves occasionally around 8 feet. .TUESDAY...South winds 20 to 25 knots with gusts to 35 knot gales becoming southwest 15 to 20 knots with gusts to around 30 knots late in the morning...then decreasing to 10 to 15 knots late in the afternoon becoming north 20 to 25 knots with gusts to around 30 knots late in the evening. Showers likely. A chance of snow showers and showers late in the evening. Waves 8 to 12 feet subsiding to 4 to 6 feet late in the evening. Waves occasionally around 15 feet. .WEDNESDAY...North winds 20 to 25 knots with gusts to around 30 knots becoming northwest 10 to 15 knots. Waves 3 to 5 feet. .THURSDAY...Northwest winds 5 to 10 knots becoming east 10 to 15 knots early in the evening...then veering to the southeast in the late evening and early morning. Waves 2 to 4 feet subsiding to 1 to 3 feet. $$ LHZ363-462-212000- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- 400 AM EDT Sun Apr 21 2024 .TODAY...Southwest winds 10 to 15 knots. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .TONIGHT...Northwest winds 10 to 15 knots becoming 5 to 10 knots early in the morning. Waves 3 to 5 feet. .MONDAY...South winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and early afternoon...then building to 2 to 4 feet early in the afternoon. .MONDAY NIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots with gusts to around 30 knots after midnight. A chance of showers after midnight. Waves 3 to 5 feet building to 5 to 7 feet after midnight. Waves occasionally around 10 feet. .TUESDAY...South winds 20 to 25 knots with gusts to 35 knot gales becoming southwest 10 to 15 knots late in the afternoon...then becoming north 20 to 25 knots with gusts to 35 knot gales late in the evening. Showers likely in the morning...then showers late in the morning. A chance of showers late in the evening. Waves 8 to 12 feet subsiding to 4 to 6 feet late in the evening. Waves occasionally around 15 feet. .WEDNESDAY...North winds to 30 knots with gusts to 35 knot gales decreasing to 10 to 15 knots. Waves 4 to 6 feet. .THURSDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots until early evening...then veering to the southeast in the late evening and early morning. Waves 2 to 4 feet subsiding to 1 to 3 feet until early morning. Waves occasionally around 8 feet. $$ LHZ463-464-212000- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 400 AM EDT Sun Apr 21 2024 .TODAY...West winds 10 to 15 knots decreasing to 5 to 10 knots early in the afternoon...then increasing to 10 to 15 knots late in the afternoon. Waves 1 to 3 feet. .TONIGHT...West winds 10 to 15 knots. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .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 afternoon. .MONDAY NIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Waves 2 to 4 feet building to 4 to 6 feet after midnight. Waves occasionally around 8 feet. .TUESDAY...South winds 20 to 25 knots with gusts to around 30 knots decreasing to 15 to 20 knots late in the afternoon... then veering to the northwest with gusts to 35 knot gales late in the evening. Showers likely in the morning...then showers late in the morning. Showers likely late in the evening. Waves 6 to 9 feet subsiding to 3 to 5 feet late in the evening. Waves occasionally around 12 feet. .WEDNESDAY...North winds to 30 knots with gusts to 35 knot gales decreasing to 10 to 15 knots. Waves 4 to 6 feet. .THURSDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots until early evening...then veering to the east in the late evening and early morning. Waves 2 to 4 feet subsiding to 1 to 3 feet until early morning. Waves occasionally around 8 feet. $$ LHZ461-211400- MAFOR 2109/ HURON NORTH 13610 11620 13720 11700. Waves 2 to 4 feet building to 3 to 5 feet today. Waves 4 to 6 feet subsiding to 2 to 4 feet. Occasional wave height around 8 feet tonight. HURON SOUTH 14610 11700 13810. Waves 1 to 3 feet today. Waves 1 to 3 feet building to 3 to 5 feet tonight. $$ CB 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) ####018001886#### FZUS63 KDTX 210803 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 400 AM 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, 30.10 inches, then briefly works across the region Sunday night through the first half of Monday. Northern Plains low pressure, 29.50 inches, then reaches the Great Lakes by Tuesday. LCZ460-212000- Lake St Clair- 400 AM EDT SUN APR 21 2024 .TODAY...West winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Mostly cloudy in the morning then clearing. Waves 2 feet or less. .TONIGHT...West winds 10 to 15 knots becoming northwest 5 to 10 knots after midnight...then veering to the northeast early in the morning. Mostly clear. Waves 2 feet or less. .MONDAY...Southeast winds 5 to 10 knots becoming south 10 to 15 knots early in the afternoon. Mostly sunny. Waves 2 feet or less. .MONDAY NIGHT...South winds 15 to 20 knots becoming southwest 20 to 25 knots after midnight. Partly cloudy in the evening becoming mostly cloudy. Waves 1 to 3 feet. .TUESDAY...Southwest winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots in the evening. Waves 2 to 4 feet. A Small Craft Advisory may be needed. .WEDNESDAY...North winds to 30 knots. Mostly clear. Waves 1 to 3 feet. .THURSDAY...East winds 5 to 10 knots. Clear. Waves 2 feet or less. $$ CB Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes