FZUS53 KDLH 140643 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 143 AM CDT Thu May 14 2026 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. LSZ140-141600- Grand Portage to Grand Marais MN- 143 AM CDT Thu May 14 2026 .TODAY...East wind 10 to 15 knots with gusts to around 20 knots. Sunny. Waves 1 to 2 feet. .TONIGHT...East wind 10 to 15 knots with gusts to around 25 knots becoming south 20 to 25 knots with gusts to around 30 knots after midnight. Chance of rain showers. Waves 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. .FRIDAY...Southwest wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots late in the afternoon. Mostly sunny. Waves 4 to 7 feet. Waves occasionally to 9 feet. A gale warning may be needed. .FRIDAY NIGHT...Southwest wind 20 to 25 knots with gusts to around 30 knots becoming west 10 to 15 knots with gusts to around 25 knots after midnight. Mostly clear. Waves 4 to 7 feet subsiding to 3 to 5 feet after midnight. Waves occasionally to 9 feet. A small craft advisory may be needed. $$ LSZ141-141600- Grand Marais to Taconite Harbor MN- 143 AM CDT Thu May 14 2026 .TODAY...East wind 10 to 15 knots with gusts to around 20 knots. Sunny. Waves 1 to 2 feet. .TONIGHT...East wind 10 to 15 knots with gusts to around 20 knots becoming southeast with gusts to around 20 knots after midnight. Chance of rain showers. Waves 2 to 4 feet. .FRIDAY...South wind 10 to 15 knots with gusts to around 20 knots becoming southwest 15 to 20 knots with gusts to around 25 knots in the afternoon. Mostly sunny. Waves 3 to 5 feet. A small craft advisory may be needed. .FRIDAY NIGHT...West wind 10 to 15 knots. Gusts up to 25 knots. Mostly clear. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. A small craft advisory may be needed. $$ LSZ142-141600- Taconite Harbor to Silver Bay Harbor MN- 143 AM CDT Thu May 14 2026 .TODAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Sunny. Waves 1 to 2 feet. .TONIGHT...Northeast wind 10 to 15 knots becoming south 5 to 10 knots with gusts to around 20 knots early in the morning. Chance of rain showers. Waves 1 to 3 feet. .FRIDAY...Southwest wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the afternoon. Sunny. Waves 1 to 3 feet. .FRIDAY NIGHT...West wind 5 to 10 knots. Gusts up to 25 knots. Mostly clear. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. $$ LSZ143-141600- Silver Bay Harbor to Two Harbors MN- 143 AM CDT Thu May 14 2026 .TODAY...Northeast wind 5 knots rising to 15 to 20 knots with gusts to around 25 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 3 feet. .TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming southwest with gusts to around 20 knots early in the morning. Chance of rain showers in the evening. Waves 1 to 2 feet building to 2 to 4 feet after midnight. .FRIDAY...Southwest wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the afternoon. Sunny. Waves 2 to 4 feet. A small craft advisory may be needed. .FRIDAY NIGHT...Southwest wind 10 to 15 knots with gusts to around 25 knots becoming west 5 knots early in the morning. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. A small craft advisory may be needed. $$ LSZ144-141600- Two Harbors to Duluth MN- 143 AM CDT Thu May 14 2026 .TODAY...Northeast wind 5 knots rising to 15 to 20 knots with gusts to around 25 knots in the late morning and afternoon. Sunny until late afternoon then becoming partly sunny. Waves 1 to 3 feet. .TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming southeast with gusts to around 25 knots late in the evening, then becoming south 20 to 25 knots after midnight becoming southwest early in the morning. Chance of rain showers in the evening. Waves 1 to 3 feet building to 2 to 4 feet after midnight. A small craft advisory may be needed. .FRIDAY...Southwest wind 20 to 25 knots. Sunny. Waves 3 to 5 feet. A small craft advisory may be needed. .FRIDAY NIGHT...Southwest wind 15 to 20 knots with gusts to around 25 knots becoming west 5 to 10 knots early in the morning. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. A small craft advisory may be needed. $$ LSZ145-141600- Duluth MN to Port Wing WI- 143 AM CDT Thu May 14 2026 .TODAY...Northeast wind 5 knots rising to 10 to 15 knots with gusts to around 25 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet building to 1 to 3 feet late in the afternoon. .TONIGHT...Northeast wind 10 to 15 knots with gusts to around 25 knots becoming southeast with gusts to around 25 knots late in the evening, then becoming southwest 20 to 25 knots with gusts to around 30 knots after midnight. Chance of rain showers in the evening. Waves 1 to 3 feet. A small craft advisory may be needed. .FRIDAY...Southwest wind 20 to 25 knots. Gusts up to 25 knots early in the morning. Sunny. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon. A small craft advisory may be needed. .FRIDAY NIGHT...Southwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots early in the morning. Mostly clear. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. A small craft advisory may be needed. $$ LSZ146-141600- Port Wing to Sand Island WI- 143 AM CDT Thu May 14 2026 .TODAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Sunny. Waves 1 to 2 feet. .TONIGHT...East wind 10 knots with gusts to around 20 knots becoming southeast with gusts to around 20 knots late in the evening, then becoming southwest 15 to 20 knots with gusts to around 25 knots after midnight. Chance of rain showers in the evening. Slight chance of rain showers after midnight. Waves 1 to 3 feet. .FRIDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots late in the morning, then increasing to 25 knots early in the afternoon increasing to 30 knots late in the afternoon. Sunny. Waves 1 to 3 feet building to 3 to 5 feet in the afternoon. A small craft advisory may be needed. .FRIDAY NIGHT...Southwest wind 10 to 15 knots with gusts to around 25 knots easing to 5 to 10 knots with gusts to around 20 knots after midnight. Mostly clear. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. A small craft advisory may be needed. $$ LSZ147-141600- Sand Island to Bayfield WI- 143 AM CDT Thu May 14 2026 .TODAY...East wind 10 to 15 knots with gusts to around 20 knots. Sunny. Waves 1 to 2 feet. .TONIGHT...Southeast wind 10 knots becoming south 15 to 20 knots with gusts to around 25 knots in the late evening and overnight. Chance of rain showers. Waves 1 to 2 feet. .FRIDAY...Southwest wind 10 to 15 knots. Gusts up to 25 knots increasing to 30 knots late in the afternoon. Sunny. Waves 1 to 2 feet building to 1 to 3 feet late in the afternoon. .FRIDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to 25 knots. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. $$ LSZ150-141600- Outer Apostle Islands Beyond 5 NM from Mainland- 143 AM CDT Thu May 14 2026 .TODAY...East wind 5 to 10 knots rising to 15 to 20 knots in the afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...Southeast wind 10 to 15 knots with gusts to around 20 knots becoming south 20 to 25 knots after midnight. Chance of rain showers. Waves 1 to 2 feet building to 3 to 5 feet in the late evening and overnight. A small craft advisory may be needed. .FRIDAY...Southwest wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late in the afternoon. Sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the afternoon, then building to 2 to 4 feet late in the afternoon. A small craft advisory may be needed. .FRIDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to 25 knots. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. $$ LSZ121-141600- Chequamegon Bay-Bayfield to Oak Point WI- 143 AM CDT Thu May 14 2026 .TODAY...Southeast wind 5 knots becoming east 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...South wind 10 knots with gusts to around 20 knots rising to 15 to 20 knots with gusts to around 30 knots in the late evening and overnight. Chance of rain showers. Waves 1 to 2 feet. .FRIDAY...Southwest wind 15 to 20 knots with gusts to around 25 knots. Sunny. Waves 1 to 2 feet. .FRIDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to 25 knots. Mostly clear. Waves 1 to 2 feet. $$ LSZ148-141600- Oak Point to Saxon Harbor WI- 143 AM CDT Thu May 14 2026 .TODAY...Southeast wind 5 knots becoming east 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...South wind 10 to 15 knots with gusts to around 25 knots rising to 20 to 25 knots with gusts to around 30 knots after midnight. Chance of rain showers. Waves 1 to 3 feet. A small craft advisory may be needed. .FRIDAY...Southwest wind 20 to 25 knots with gusts to around 30 knots easing to 10 to 15 knots with gusts to around 25 knots in the afternoon. Sunny. Waves 1 to 3 feet. A small craft advisory may be needed. .FRIDAY NIGHT...Southwest wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots in the late evening and overnight. Mostly clear. Waves 1 to 2 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH