Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
756 FZUS53 KDLH 230915 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 415 AM CDT Thu May 23 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. LSZ140-141-231615- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 415 AM CDT Thu May 23 2024 .TODAY...West wind 10 to 15 knots. Gusts up to 20 knots. Sunny. Waves 1 to 3 feet. .TONIGHT...Northwest wind 5 to 10 knots becoming northeast 10 to 15 knots with gusts to around 25 knots in the late evening and overnight. Partly cloudy. Waves 1 to 2 feet building to 1 to 3 feet early in the morning. .FRIDAY...East wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots in the late morning and afternoon. Rain showers likely and slight chance of thunderstorms in the afternoon. Waves 6 to 9 feet. Waves occasionally to 11 feet. A gale warning may be needed. .FRIDAY NIGHT...East wind 20 to 25 knots with gales to around 35 knots becoming west 15 to 20 knots with gusts to around 30 knots early in the morning. Rain showers likely in the evening. Slight chance of thunderstorms through the night. Chance of rain showers after midnight. Waves 6 to 9 feet subsiding to 4 to 6 feet early in the morning. Waves occasionally to 11 feet. A gale warning may be needed. $$ LSZ142-143-231615- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 415 AM CDT Thu May 23 2024 .TODAY...West wind 5 to 10 knots with gusts to around 20 knots becoming south late in the afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...Northeast wind 15 to 20 knots with gusts to around 30 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 3 feet building to 3 to 5 feet early in the morning. A small craft advisory may be needed. .FRIDAY...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 30 knots late in the afternoon. Slight chance of rain showers in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Waves 7 to 10 feet. Waves occasionally to 14 feet. A gale warning may be needed. .FRIDAY NIGHT...Northeast wind 20 to 25 knots with gales to around 35 knots becoming northwest 15 to 20 knots with gusts to around 25 knots after midnight, then becoming west 10 to 15 knots with gusts to around 20 knots early in the morning. Rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Waves 7 to 10 feet subsiding to 4 to 6 feet. Waves occasionally to 14 feet. A gale warning may be needed. $$ LSZ144-145-231615- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 415 AM CDT Thu May 23 2024 .TODAY...West wind 5 to 10 knots becoming east late in the afternoon. Slight chance of rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...Northeast wind 20 to 25 knots with gusts to around 30 knots. Slight chance of rain showers. Waves 1 to 2 feet building to 3 to 5 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. .FRIDAY...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 30 knots late in the afternoon. Slight chance of rain showers in the morning. Slight chance of thunderstorms through the day. Rain showers in the afternoon. Waves 7 to 10 feet. Waves occasionally to 13 feet. A gale warning may be needed. .FRIDAY NIGHT...Northeast wind 20 to 25 knots with gusts to around 30 knots becoming north with gusts to around 30 knots late in the evening, then becoming west 10 to 15 knots with gusts to around 20 knots after midnight. Rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Waves 7 to 10 feet subsiding to 2 to 4 feet. Waves occasionally to 13 feet. A small craft advisory may be needed. $$ LSZ146-231615- Port Wing to Sand Island WI- 415 AM CDT Thu May 23 2024 .TODAY...West wind 5 to 10 knots becoming south early in the afternoon, then becoming east late in the afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...East wind 15 to 20 knots with gusts to around 25 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet building to 3 to 5 feet early in the morning. A small craft advisory may be needed. .FRIDAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots late in the afternoon. Chance of rain showers in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Waves 7 to 10 feet. Waves occasionally to 13 feet. A small craft advisory may be needed. .FRIDAY NIGHT...Northeast wind 20 to 25 knots with gusts to around 30 knots becoming southwest 15 to 20 knots after midnight. Rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Waves 7 to 10 feet subsiding to 2 to 4 feet. Waves occasionally to 12 feet. A small craft advisory may be needed. $$ LSZ147-231615- Sand Island to Bayfield WI- 415 AM CDT Thu May 23 2024 .TODAY...West wind 5 to 10 knots becoming southeast late in the afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...East wind 5 to 10 knots rising to 15 to 20 knots with gusts to around 25 knots after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet building to 3 to 5 feet early in the morning. A small craft advisory may be needed. .FRIDAY...East wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots late in the afternoon. Chance of rain showers in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Waves 6 to 9 feet. Waves occasionally to 11 feet. A small craft advisory may be needed. .FRIDAY NIGHT...East wind 20 to 25 knots with gusts to around 30 knots becoming southeast 15 to 20 knots with gusts to around 25 knots late in the evening, then becoming southwest 10 to 15 knots with gusts to around 20 knots after midnight. Rain showers and chance of thunderstorms in the evening, then rain showers likely after midnight. Waves 5 to 8 feet subsiding to 3 to 5 feet after midnight. Waves occasionally to 11 feet. A small craft advisory may be needed. $$ LSZ150-231615- Outer Apostle Islands Beyond 5 NM from Mainland- 415 AM CDT Thu May 23 2024 .TODAY...West wind 5 to 10 knots becoming southeast late in the afternoon. Sunny. Waves 1 to 3 feet. .TONIGHT...East wind 5 to 10 knots rising to 20 to 25 knots with gusts to around 30 knots after midnight. Partly cloudy. Waves 1 foot or less building to 3 to 5 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. .FRIDAY...East wind 20 to 25 knots with gusts to around 30 knots. Slight chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Waves 7 to 10 feet. Waves occasionally to 13 feet. A small craft advisory may be needed. .FRIDAY NIGHT...East wind 20 to 25 knots with gusts to around 30 knots becoming southeast late in the evening, then becoming southwest 15 to 20 knots with gusts to around 25 knots after midnight. Chance of thunderstorms in the evening. Rain showers likely through the night. Waves 7 to 10 feet subsiding to 3 to 5 feet. Waves occasionally to 13 feet. A small craft advisory may be needed. $$ LSZ121-231615- Chequamegon Bay-Bayfield to Oak Point WI- 415 AM CDT Thu May 23 2024 .TODAY...West wind 5 to 10 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 to 10 knots rising to 15 to 20 knots with gusts to around 25 knots after midnight. Partly cloudy. Waves 1 foot or less building to 3 to 5 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. .FRIDAY...East wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots late in the afternoon. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Waves 4 to 6 feet subsiding to 1 to 3 feet late in the afternoon. Waves occasionally to 8 feet. A small craft advisory may be needed. .FRIDAY NIGHT...East wind 15 to 20 knots with gusts to around 25 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the late evening and overnight. Chance of thunderstorms in the evening. Rain showers likely through the night. Waves 4 to 7 feet subsiding to 1 to 3 feet in the late evening and overnight. Waves occasionally to 9 feet. A small craft advisory may be needed. $$ LSZ148-231615- Oak Point to Saxon Harbor WI- 415 AM CDT Thu May 23 2024 .TODAY...West wind 5 to 10 knots becoming northwest late in the morning, then becoming east in the afternoon. Sunny. Waves 1 foot or less. .TONIGHT...East wind 5 to 10 knots rising to 15 to 20 knots with gusts to around 25 knots after midnight. Partly cloudy. Waves 1 foot or less building to 3 to 5 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. .FRIDAY...East wind 15 to 20 knots. Gusts up to 25 knots until late afternoon. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Waves 4 to 7 feet. Waves occasionally to 9 feet. A small craft advisory may be needed. .FRIDAY NIGHT...Southeast wind 15 to 20 knots with gusts to around 25 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the late evening and overnight. Chance of thunderstorms in the evening. Rain showers likely through the night. Waves 4 to 7 feet subsiding to 1 to 2 feet. Waves occasionally to 9 feet. A small craft advisory may be needed. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes KML