Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
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769 FZUS53 KDLH 221145 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 645 AM CDT Wed May 22 2024 For waters within five nautical miles of shore on Lake Superior. 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. LSZ140-141-221615- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 645 AM CDT Wed May 22 2024 ...GALE WARNING IN EFFECT THROUGH THIS EVENING... ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Southwest wind 20 to 25 knots with gales to around 40 knots becoming west 15 to 20 knots with gales to around 40 knots late in the afternoon. Patchy dense fog early in the morning. Slight chance of thunderstorms early in the morning. Chance of rain showers through the day. Slight chance of thunderstorms in the late morning and early afternoon. Waves 5 to 8 feet. Waves occasionally to 11 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 35 knots decreasing to 30 knots in the late evening and overnight. Chance of rain showers in the evening. Waves 3 to 5 feet. Waves occasionally to 7 feet. A gale warning may be needed. .THURSDAY...West wind 10 to 15 knots. Gusts up to 30 knots decreasing to 20 knots. Mostly sunny. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late morning and afternoon. .THURSDAY NIGHT...West wind 5 to 10 knots becoming northeast 10 to 15 knots early in the morning. Slight chance of rain showers after midnight. Waves 1 to 3 feet. $$ LSZ142-143-221615- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 645 AM CDT Wed May 22 2024 ...GALE WARNING IN EFFECT THROUGH THIS EVENING... ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...West wind 15 to 20 knots. Gusts up to 30 knots increasing to 35 knots in the late morning and afternoon. Patchy dense fog early in the morning. Chance of rain showers through the day. Slight chance of thunderstorms in the late morning and early afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 8 feet. .TONIGHT...West wind 10 to 15 knots. Gusts up to 30 knots decreasing to 25 knots late in the evening, then decreasing to 20 knots after midnight increasing to 25 knots early in the morning. Slight chance of rain showers in the evening. Waves 1 to 3 feet. .THURSDAY...West wind 5 to 10 knots. Gusts up to 25 knots. Mostly sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots. Slight chance of rain showers through the night. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. A small craft advisory may be needed. $$ LSZ144-145-221615- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 645 AM CDT Wed May 22 2024 ...GALE WARNING IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 20 to 25 knots. Gales up to 40 knots decreasing to 30 knots. Patchy fog early in the morning. Slight chance of rain showers in the morning. Chance of rain showers in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. .TONIGHT...West wind 10 to 15 knots. Gusts up to 30 knots decreasing to 20 knots in the late evening and overnight. Slight chance of rain showers in the evening. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .THURSDAY...West wind 5 to 10 knots becoming north late in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots. Chance of rain showers and slight chance of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. A small craft advisory may be needed. $$ LSZ146-221615- Port Wing to Sand Island WI- 645 AM CDT Wed May 22 2024 ...GALE WARNING IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 20 to 25 knots. Gales up to 40 knots decreasing to 35 knots late in the afternoon. Patchy fog early in the morning. Slight chance of rain showers in the morning. Chance of rain showers in the afternoon. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 30 knots decreasing to 20 knots. Slight chance of rain showers in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning. .THURSDAY...West wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots late in the afternoon. Mostly sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...East wind 15 to 20 knots. Slight chance of showers and thunderstorms through the night. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. A small craft advisory may be needed. $$ LSZ147-221615- Sand Island to Bayfield WI- 645 AM CDT Wed May 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... ...GALE WARNING IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 20 to 25 knots. Gales up to 45 knots decreasing to 35 knots. Patchy fog early in the morning. Slight chance of rain showers through the day. Slight chance of thunderstorms in the late morning and early afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Slight chance of rain showers in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning. .THURSDAY...West wind 10 to 15 knots with gusts to around 20 knots easing to 5 to 10 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Southeast wind 5 knots becoming east 10 to 15 knots with gusts to around 20 knots in the late evening and overnight. Slight chance of thunderstorms in the evening. Slight chance of rain showers through the night. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. A small craft advisory may be needed. $$ LSZ150-221615- Outer Apostle Islands Beyond 5 NM from Mainland- 645 AM CDT Wed May 22 2024 ...GALE WARNING IN EFFECT THROUGH THIS EVENING... .TODAY...Southwest wind up to 30 knots. Gales up to 45 knots decreasing to 40 knots in the afternoon. Patchy fog early in the morning. Slight chance of rain showers through the day. Slight chance of thunderstorms in the late morning and early afternoon. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots in the late evening and overnight. Slight chance of rain showers in the evening. Waves 2 to 4 feet. A small craft advisory may be needed. .THURSDAY...West wind 10 to 15 knots. Gusts up to 20 knots in the morning. Mostly sunny. Waves 1 to 3 feet. .THURSDAY NIGHT...Southeast wind 5 to 10 knots becoming northeast 10 to 15 knots with gusts to around 20 knots in the late evening and overnight. Slight chance of thunderstorms in the evening. Slight chance of rain showers through the night. Waves 1 foot or less building to 3 to 5 feet after midnight. Waves occasionally to 7 feet. A small craft advisory may be needed. $$ LSZ121-221615- Chequamegon Bay-Bayfield to Oak Point WI- 645 AM CDT Wed May 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... ...GALE WARNING IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 20 to 25 knots with gales to around 35 knots. Patchy fog early in the morning. Slight chance of rain showers through the day. Waves 1 to 3 feet. .TONIGHT...West wind 10 to 15 knots with gusts to around 30 knots becoming southwest 5 to 10 knots with gusts to around 20 knots after midnight. Slight chance of rain showers in the evening. Waves 1 to 2 feet. .THURSDAY...West wind 5 to 10 knots becoming north late in the afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots. Slight chance of showers and thunderstorms through the night. Waves 1 to 2 feet. $$ LSZ148-221615- Oak Point to Saxon Harbor WI- 645 AM CDT Wed May 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... ...GALE WARNING IN EFFECT THROUGH THIS EVENING... .TODAY...Southwest wind 20 to 25 knots. Gales up to 40 knots decreasing to 35 knots in the late morning and afternoon. Patchy fog early in the morning. Slight chance of rain showers through the day. Slight chance of thunderstorms in the late morning and early afternoon. Waves 2 to 4 feet. .TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Slight chance of rain showers in the evening. Waves 1 to 3 feet. .THURSDAY...West wind 5 to 10 knots becoming northeast late in the afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots. Slight chance of showers and thunderstorms through the night. Waves 1 to 2 feet building to 2 to 4 feet early in the morning. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes KML