####018006121#### FZUS63 KDTX 230157 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 957 PM EDT Mon Apr 22 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...High pressure, 30.30 inches, centered over the Lower Mississippi Valley extends into the central Great Lakes tonight offering favorable marine conditions. Low pressure, 29.40 inches, crosses central Ontario and northern Lake Superior late tonight and Tuesday producing a period of showers which may include some thunderstorms later in the day, especially ahead of a cold front. Colder air filters in Tuesday night leading a brisk morning Wednesday. Benign conditions expected Thursday with high pressure returning, at least through Friday morning. LHZ361-362-231000- 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- 957 PM EDT Mon Apr 22 2024 .REST OF TONIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots early in the morning. Showers likely after midnight. Waves 4 to 6 feet. Waves occasionally around 8 feet. .TUESDAY...South winds 15 to 20 knots with gusts to around 30 knots decreasing to 10 to 15 knots in the afternoon. A chance of showers. Waves 6 to 9 feet. Waves occasionally around 12 feet. .TUESDAY NIGHT...Southwest winds 5 to 10 knots becoming north 15 to 20 knots in the late evening and early morning...then increasing to 20 to 25 knots with gusts to around 30 knots after midnight. A chance of showers in the evening. Waves 5 to 7 feet building to 8 to 12 feet after midnight. Waves occasionally around 15 feet. .WEDNESDAY...North winds 20 to 25 knots decreasing to 10 to 15 knots in the late morning and afternoon. Waves 6 to 9 feet subsiding to 4 to 6 feet early in the afternoon. Waves occasionally around 12 feet. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots early in the evening becoming light and variable. Waves 2 to 4 feet subsiding to 2 feet or less in the late evening and overnight. .THURSDAY...South winds 5 to 10 knots increasing to 10 to 15 knots late in the morning...then backing to the southeast late in the afternoon. Waves 2 feet or less. .FRIDAY...Southeast winds 10 to 15 knots increasing to 15 to 20 knots with gusts to around 30 knots until early morning. Showers in the late evening and early morning. Waves 1 to 3 feet building to 4 to 6 feet. Waves occasionally around 8 feet. .SATURDAY...South winds 20 to 25 knots with gusts to 35 knot gales decreasing to 15 to 20 knots with gusts to 35 knot gales. Showers until afternoon. Rain showers likely early in the evening...then a chance of showers in the late evening and early morning. Waves 6 to 9 feet. Waves occasionally around 12 feet. $$ LHZ363-462>464-231000- 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- 957 PM EDT Mon Apr 22 2024 .REST OF TONIGHT...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. .TUESDAY...South winds 15 to 20 knots with gusts to around 30 knots decreasing to 10 to 15 knots late in the afternoon. A chance of showers. Waves 6 to 9 feet. Waves occasionally around 12 feet. .TUESDAY NIGHT...South winds 10 to 15 knots becoming southwest 5 to 10 knots in the late evening and early morning...then becoming north 20 to 25 knots with gusts to around 30 knots after midnight. A chance of showers in the evening. Waves 4 to 6 feet building to 8 to 12 feet after midnight. Waves occasionally around 15 feet. .WEDNESDAY...North winds 20 to 25 knots with gusts to around 30 knots decreasing to 15 to 20 knots early in the afternoon. Waves 8 to 12 feet. Waves occasionally around 15 feet. .WEDNESDAY NIGHT...North winds 10 to 15 knots decreasing to 5 to 10 knots in the late evening and early morning...then becoming light and variable after midnight. Waves 4 to 6 feet subsiding to 2 to 4 feet after midnight. Waves occasionally around 8 feet. .THURSDAY...East winds 5 to 10 knots veering to the southeast late in the morning...then backing to the northeast late in the afternoon becoming east 10 to 15 knots late in the evening. Waves 1 to 3 feet. .FRIDAY...Southeast winds 10 to 15 knots increasing to 15 to 20 knots with gusts to around 30 knots until early morning. A chance of showers in the late evening and early morning. Waves 1 to 3 feet building to 5 to 7 feet. Waves occasionally around 10 feet. .SATURDAY...South winds 20 to 25 knots with gusts to 35 knot gales decreasing to 15 to 20 knots with gusts to around 30 knots until early morning. Showers until afternoon. Rain showers likely early in the evening...then a chance of showers in the late evening and early morning. Waves 6 to 9 feet. Waves occasionally around 12 feet. $$ LHZ461-231000- MAFOR 2303/ HURON NORTH 11510 12426 11436 11420 11410 11500 11720. Waves 3 to 5 feet overnight. Waves 5 to 7 feet. Occasional wave height around 10 feet Tuesday. Waves 3 to 5 feet subsiding to 2 to 4 feet Tuesday evening. HURON SOUTH 11410 11420 11426 12420 11510 11416 11500. Waves 3 to 5 feet overnight. Waves 4 to 6 feet Tuesday. Waves 3 to 5 feet subsiding to 1 to 3 feet. Occasional wave height around 8 feet Tuesday evening. $$ 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) ####018002761#### FZUS63 KDTX 230158 GLFSC Lake St Clair Forecast National Weather Service Detroit/Pontiac MI 958 PM EDT Mon Apr 22 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...High pressure, 30.30 inches, centered over the Lower Mississippi Valley extends into the central Great Lakes tonight offering favorable marine conditions. Low pressure, 29.40 inches, crosses central Ontario and northern Lake Superior late tonight and Tuesday producing a period of showers which may include some thunderstorms later in the day, especially ahead of a cold front. Colder air filters in Tuesday night leading a brisk morning Wednesday. Benign conditions expected Thursday with high pressure returning, at least through Friday morning. LCZ460-231000- Lake St Clair- 958 PM EDT Mon Apr 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT TUESDAY THROUGH TUESDAY AFTERNOON... .REST OF TONIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Partly cloudy this evening becoming mostly cloudy. Waves 1 to 3 feet. .TUESDAY...South winds 15 to 20 knots becoming southwest 20 to 25 knots with gusts to 30 knots late in the morning...then diminishing to 15 to 20 knots in the afternoon. Mostly cloudy with light showers likely. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. .TUESDAY NIGHT...Southwest winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and early morning...then becoming northwest 15 to 20 knots after midnight. Mostly cloudy. Light showers likely in the evening. Waves 1 to 3 feet. .WEDNESDAY...North winds 20 to 25 knots diminishing to 15 to 20 knots early in the afternoon. Partly sunny in the morning then clearing. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the afternoon. .WEDNESDAY NIGHT...North winds 15 to 20 knots diminishing to 5 to 10 knots. Clear. Waves 2 feet or less. .THURSDAY...Northeast winds 5 to 10 knots veering to the southeast in the afternoon...then increasing to 10 to 15 knots in the evening. Mostly sunny in the morning becoming clear. Waves 2 feet or less. .FRIDAY...Southeast winds 15 to 20 knots. Partly cloudy. A chance of light showers. Waves 1 to 3 feet. .SATURDAY...South winds 15 to 20 knots with gusts to 30 knots. Mostly cloudy with light showers likely. Waves 2 to 4 feet. A Small Craft Advisory may be needed. $$ KGK Experimental modernized open lake forecast is available online at weather.gov/dtx/glftablesc Graphical marine forecasts are available at weather.gov/greatlakes