FZUS53 KDLH 131600 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1100 AM CDT Wed May 13 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. LSZ140-132200- Grand Portage to Grand Marais MN- 1100 AM CDT Wed May 13 2026 .REST OF TODAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...West wind 5 to 10 knots becoming northeast in the late evening and overnight. Mostly clear. Waves 1 foot or less. .THURSDAY...East wind 10 to 15 knots with gusts to around 20 knots. Sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...East wind 10 to 15 knots with gusts to around 20 knots becoming south 15 to 20 knots with gusts to around 25 knots after midnight. Chance of rain showers in the evening, then rain showers after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. $$ LSZ141-132200- Grand Marais to Taconite Harbor MN- 1100 AM CDT Wed May 13 2026 .REST OF TODAY...Northwest wind 5 knots becoming west late. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...West wind 5 knots becoming north in the late evening and early morning, then becoming northeast early in the morning. Mostly clear. Waves 1 foot or less. .THURSDAY...East wind 10 to 15 knots. Gusts up to 20 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...East wind 10 to 15 knots with gusts to around 20 knots becoming southeast 5 to 10 knots after midnight. Rain showers likely in the evening, then chance of rain showers after midnight. Waves 2 to 4 feet. $$ LSZ142-132200- Taconite Harbor to Silver Bay Harbor MN- 1100 AM CDT Wed May 13 2026 .REST OF TODAY...Northwest wind 5 knots becoming west in the afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...North wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 10 to 15 knots. Slight chance of rain showers in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...Northeast wind 5 to 10 knots becoming south early in the morning. Rain showers likely in the evening, then chance of rain showers after midnight. Waves 1 to 3 feet. $$ LSZ143-132200- Silver Bay Harbor to Two Harbors MN- 1100 AM CDT Wed May 13 2026 .REST OF TODAY...Northwest wind 5 knots becoming southwest early in the afternoon, then becoming southeast late. Sunny. Waves 1 to 2 feet. .TONIGHT...North wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 15 to 20 knots. Slight chance of rain showers in the afternoon. Waves 1 to 3 feet. .THURSDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming south 5 to 10 knots early in the morning. Rain showers likely in the evening, then chance of rain showers after midnight. Waves 1 to 3 feet. $$ LSZ144-132200- Two Harbors to Duluth MN- 1100 AM CDT Wed May 13 2026 .REST OF TODAY...Northwest wind 5 to 10 knots becoming southwest early in the afternoon, then becoming east late. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots. Clear. Waves 1 foot or less. .THURSDAY...Northeast wind 15 to 20 knots. Slight chance of rain showers in the afternoon. Waves 1 to 3 feet. .THURSDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming south with gusts to around 20 knots after midnight. Rain showers likely in the evening, then chance of rain showers after midnight. Waves 1 to 3 feet. $$ LSZ145-132200- Duluth MN to Port Wing WI- 1100 AM CDT Wed May 13 2026 .REST OF TODAY...West wind 5 to 10 knots becoming east late. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots. Clear. Waves 1 foot or less. .THURSDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 to 2 feet building to 1 to 3 feet late in the afternoon. .THURSDAY NIGHT...Northeast wind 10 to 15 knots becoming south with gusts to around 25 knots after midnight. Rain showers likely in the evening, then chance of rain showers after midnight. Waves 1 to 3 feet. $$ LSZ146-132200- Port Wing to Sand Island WI- 1100 AM CDT Wed May 13 2026 .REST OF TODAY...Northwest wind 5 knots becoming north late. Sunny. Waves 1 foot or less. .TONIGHT...North wind 5 knots becoming northeast after midnight. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots late in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...East wind 5 to 10 knots becoming south 10 to 15 knots with gusts to around 25 knots after midnight. Rain showers likely in the evening, then chance of rain showers after midnight. Waves 1 to 2 feet. $$ LSZ147-132200- Sand Island to Bayfield WI- 1100 AM CDT Wed May 13 2026 .REST OF TODAY...Northwest wind 5 to 10 knots becoming east late. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots becoming north in the late evening and early morning, then becoming east early in the morning. Mostly clear. Waves 1 foot or less. .THURSDAY...East wind 10 to 15 knots. Slight chance of rain showers in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...South wind 10 to 15 knots with gusts to around 25 knots. Rain showers likely. Waves 1 to 2 feet. $$ LSZ150-132200- Outer Apostle Islands Beyond 5 NM from Mainland- 1100 AM CDT Wed May 13 2026 .REST OF TODAY...West wind 5 to 10 knots becoming southwest late. Sunny. Waves 1 foot or less. .TONIGHT...South wind 5 knots becoming east after midnight. Mostly clear. Waves 1 foot or less. .THURSDAY...East wind 15 to 20 knots. Sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...South wind 10 to 15 knots with gusts to around 25 knots rising to 15 to 20 knots with gusts to around 25 knots early in the morning. Rain showers likely. Waves 1 to 2 feet building to 3 to 5 feet in the late evening and overnight. A small craft advisory may be needed. $$ LSZ121-132200- Chequamegon Bay-Bayfield to Oak Point WI- 1100 AM CDT Wed May 13 2026 .REST OF TODAY...North wind 5 to 10 knots becoming east late. Sunny. Waves 1 foot or less. .TONIGHT...Southeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...East wind 5 to 10 knots rising to 10 to 15 knots in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 to 2 feet. .THURSDAY NIGHT...South wind 10 knots with gusts to around 20 knots rising to 10 to 15 knots with gusts to around 25 knots in the late evening and overnight. Rain showers likely through the night. Waves 1 to 2 feet. $$ LSZ148-132200- Oak Point to Saxon Harbor WI- 1100 AM CDT Wed May 13 2026 .REST OF TODAY...North wind 5 to 10 knots becoming southeast late. Mostly sunny. Waves 1 foot or less. .TONIGHT...Southeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...East wind 5 to 10 knots rising to 10 to 15 knots in the afternoon. Sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...South wind 15 to 20 knots with gusts to around 30 knots. Rain showers likely. Waves 1 to 3 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH