FZUS53 KDLH 110831 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 331 AM CDT Mon May 11 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. LSZ140-111600- Grand Portage to Grand Marais MN- 331 AM CDT Mon May 11 2026 .TODAY...Northwest wind 5 knots becoming south in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...Southeast wind 10 to 15 knots becoming east after midnight. Chance of rain showers after midnight. Waves 1 to 3 feet. .TUESDAY...East wind 15 to 20 knots with gusts to around 25 knots becoming northeast 5 to 10 knots late in the afternoon. Rain showers in the morning, then rain showers likely in the afternoon. Waves 3 to 5 feet. A small craft advisory may be needed. .TUESDAY NIGHT...North wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots early in the morning. Chance of rain showers in the evening. Waves 1 to 3 feet. $$ LSZ141-111600- Grand Marais to Taconite Harbor MN- 331 AM CDT Mon May 11 2026 .TODAY...Variable winds 10 knots or less becoming southeast 5 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 to 10 knots. Chance of rain showers after midnight. Waves 1 to 2 feet. .TUESDAY...East wind 10 to 15 knots becoming north 5 knots late in the afternoon. Rain showers in the morning, then chance of rain showers in the afternoon. Waves 1 to 2 feet building to 1 to 3 feet in the late morning and afternoon. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots in the late evening and overnight. Slight chance of rain showers in the evening. Waves 1 to 2 feet. $$ LSZ142-111600- Taconite Harbor to Silver Bay Harbor MN- 331 AM CDT Mon May 11 2026 .TODAY...Variable winds 10 knots or less becoming southeast 5 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots. Chance of rain showers after midnight. Waves 1 to 2 feet. .TUESDAY...East wind 5 to 10 knots becoming northwest late in the afternoon. Chance of rain showers. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots after midnight. Slight chance of rain showers through the night. Waves 1 foot or less. $$ LSZ143-111600- Silver Bay Harbor to Two Harbors MN- 331 AM CDT Mon May 11 2026 .TODAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the afternoon. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 to 10 knots. Rain showers likely and slight chance of thunderstorms after midnight. Waves 1 foot or less. .TUESDAY...Northeast wind 5 knots becoming northwest late in the afternoon. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Waves 1 foot or less. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Chance of rain showers in the evening. Waves 1 foot or less. $$ LSZ144-111600- Two Harbors to Duluth MN- 331 AM CDT Mon May 11 2026 .TODAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 to 10 knots. Rain showers likely and slight chance of thunderstorms after midnight. Waves 1 foot or less. .TUESDAY...Northeast wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 25 knots in the afternoon. Chance of rain showers. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots in the late evening and overnight. Slight chance of rain showers in the evening. Waves 1 to 2 feet. $$ LSZ145-111600- Duluth MN to Port Wing WI- 331 AM CDT Mon May 11 2026 .TODAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. .TONIGHT...East wind 5 to 10 knots. Rain showers likely and slight chance of thunderstorms after midnight. Waves 1 foot or less. .TUESDAY...East wind 5 to 10 knots becoming northwest with gusts to around 20 knots late in the morning, then rising to 15 to 20 knots with gusts to around 25 knots in the afternoon. Chance of rain showers. Waves 1 to 3 feet. .TUESDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Slight chance of rain showers in the evening. Waves 1 to 3 feet. $$ LSZ146-111600- Port Wing to Sand Island WI- 331 AM CDT Mon May 11 2026 .TODAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the afternoon. Sunny. Waves 1 foot or less. .TONIGHT...Southeast wind 5 to 10 knots. Rain showers likely and slight chance of thunderstorms after midnight. Waves 1 foot or less. .TUESDAY...East wind 5 knots becoming southeast late in the morning, then becoming northwest in the afternoon. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Chance of rain showers in the evening. Waves 1 to 2 feet. $$ LSZ147-111600- Sand Island to Bayfield WI- 331 AM CDT Mon May 11 2026 .TODAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. .TONIGHT...Southeast wind 5 to 10 knots. Rain showers likely and slight chance of thunderstorms after midnight. Waves 1 foot or less. .TUESDAY...Southeast wind 5 to 10 knots becoming northwest in the afternoon. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Waves 1 foot or less. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Slight chance of rain showers through the night. Waves 1 foot or less. $$ LSZ150-111600- Outer Apostle Islands Beyond 5 NM from Mainland- 331 AM CDT Mon May 11 2026 .TODAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the afternoon. Sunny. Waves 1 foot or less. .TONIGHT...East wind 5 to 10 knots becoming southeast 10 to 15 knots after midnight. Chance of rain showers after midnight. Waves 1 to 2 feet. .TUESDAY...Southeast wind 10 to 15 knots becoming northwest 5 to 10 knots late in the afternoon. Chance of rain showers. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots easing to 10 knots early in the morning. Gusts up to 20 knots in the late evening and early morning. Slight chance of rain showers through the night. Waves 1 to 2 feet. $$ LSZ121-111600- Chequamegon Bay-Bayfield to Oak Point WI- 331 AM CDT Mon May 11 2026 .TODAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. .TONIGHT...East wind 5 to 10 knots becoming south after midnight. Rain showers likely and slight chance of thunderstorms after midnight. Waves 1 foot or less. .TUESDAY...South wind 5 to 10 knots with gusts to around 20 knots becoming west 10 to 15 knots with gusts to around 20 knots in the afternoon. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Waves 1 foot or less. .TUESDAY NIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots. Chance of rain showers through the night. Waves 1 foot or less. $$ LSZ148-111600- Oak Point to Saxon Harbor WI- 331 AM CDT Mon May 11 2026 .TODAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. .TONIGHT...East wind 5 to 10 knots becoming south 10 to 15 knots with gusts to around 25 knots after midnight. Rain showers likely after midnight. Waves 1 to 2 feet. .TUESDAY...South wind 10 to 15 knots with gusts to around 25 knots becoming west 5 to 10 knots with gusts to around 20 knots in the afternoon. Chance of rain showers through the day. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots. Chance of rain showers through the night. Waves 1 to 2 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH