FZUS53 KDLH 112126 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 426 PM 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. LSZ140-120400- Grand Portage to Grand Marais MN- 426 PM CDT Mon May 11 2026 .TONIGHT...Southeast wind 5 to 10 knots becoming east 10 to 15 knots in the late evening and overnight. Slight chance of rain showers after midnight. Chance of rain showers late in the night. Waves 1 to 2 feet building to 1 to 3 feet late in the night. .TUESDAY...East wind 15 to 20 knots with gusts to around 30 knots becoming northeast 10 to 15 knots with gusts to around 20 knots late in the afternoon. Rain showers in the morning, then chance of rain showers in the afternoon. Waves 3 to 5 feet. A small craft advisory may be needed. .TUESDAY NIGHT...North wind 15 to 20 knots. Gusts up to 25 knots in the evening. Chance of rain showers in the evening. Waves 2 to 4 feet subsiding to 1 to 2 feet early in the morning. .WEDNESDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the morning. Mostly sunny. Waves 1 to 2 feet. $$ LSZ141-120400- Grand Marais to Taconite Harbor MN- 426 PM CDT Mon May 11 2026 .TONIGHT...East wind 10 to 15 knots. Gusts up to 20 knots after midnight. Chance of rain showers after midnight. Rain showers late in the night. Waves 1 to 2 feet. .TUESDAY...East wind 10 to 15 knots with gusts to around 20 knots becoming north late in the afternoon. Chance of rain showers. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .TUESDAY NIGHT...North wind 5 to 10 knots. Chance of rain showers in the evening. Waves 1 to 3 feet. .WEDNESDAY...Northwest wind 5 knots. Mostly sunny. Waves 1 to 2 feet. $$ LSZ142-120400- Taconite Harbor to Silver Bay Harbor MN- 426 PM CDT Mon May 11 2026 .TONIGHT...Northeast wind 10 to 15 knots. Chance of rain showers after midnight. Rain showers late in the night. Waves 1 to 2 feet. .TUESDAY...East wind 5 to 10 knots becoming northeast early in the afternoon, then becoming northwest late in the afternoon. Rain showers likely in the morning, then chance of rain showers in the afternoon. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 5 knots. Chance of rain showers in the evening. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ143-120400- Silver Bay Harbor to Two Harbors MN- 426 PM CDT Mon May 11 2026 .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots until early morning. Chance of rain showers after midnight. Slight chance of thunderstorms after midnight. Rain showers likely late in the night. Waves 1 foot or less. .TUESDAY...Northeast wind 5 to 10 knots becoming northwest late in the afternoon. Chance of rain showers in the morning, then rain showers likely in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Northwest wind 5 knots. Chance of rain showers in the evening. Waves 1 foot or less. .WEDNESDAY...Northwest wind 5 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ144-120400- Two Harbors to Duluth MN- 426 PM CDT Mon May 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots in the late evening and overnight. Rain showers likely after midnight. Slight chance of thunderstorms after midnight. Chance of rain showers late in the night. Waves 1 to 2 feet. .TUESDAY...Northeast wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 20 knots in the afternoon. Chance of rain showers. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots in the evening. Slight chance of rain showers in the evening. Waves 1 to 2 feet. .WEDNESDAY...North wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ145-120400- Duluth MN to Port Wing WI- 426 PM CDT Mon May 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the late evening and overnight. Chance of rain showers after midnight. Slight chance of thunderstorms after midnight. Rain showers likely late in the night. Waves 1 to 2 feet. .TUESDAY...East wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 20 knots in the late morning and early afternoon, then becoming west with gusts to around 25 knots late in the afternoon. Chance of rain showers through the day. Waves 1 to 2 feet. .TUESDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots. Slight chance of rain showers in the evening. Waves 1 to 2 feet. .WEDNESDAY...Northwest wind 5 to 10 knots becoming north late in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ146-120400- Port Wing to Sand Island WI- 426 PM CDT Mon May 11 2026 .TONIGHT...East wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Chance of rain showers and slight chance of thunderstorms after midnight. Rain showers likely late in the night. Waves 1 foot or less. .TUESDAY...Southeast wind 5 to 10 knots becoming northwest in the afternoon. Chance of rain showers in the morning, then rain showers likely in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Rain showers likely in the evening. Waves 1 foot or less. .WEDNESDAY...Northwest wind 5 knots until late afternoon becoming variable 10 knots or less. Mostly sunny. Waves 1 foot or less. $$ LSZ147-120400- Sand Island to Bayfield WI- 426 PM CDT Mon May 11 2026 .TONIGHT...East wind 5 to 10 knots. Chance of rain showers after midnight. Rain showers late in the night. Waves 1 foot or less. .TUESDAY...Southeast wind 5 to 10 knots becoming northwest in the afternoon. Chance of rain showers in the morning, then rain showers likely in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Northwest wind 5 knots. Rain showers likely in the evening. Waves 1 foot or less. .WEDNESDAY...Northwest wind 5 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ150-120400- Outer Apostle Islands Beyond 5 NM from Mainland- 426 PM CDT Mon May 11 2026 .TONIGHT...East wind 10 to 15 knots with gusts to around 20 knots becoming southeast after midnight. Chance of rain showers after midnight. Rain showers late in the night. Waves 1 to 2 feet. .TUESDAY...Southeast wind 10 to 15 knots becoming northwest 5 to 10 knots 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 in the evening. Chance of rain showers in the evening. Waves 1 to 3 feet. .WEDNESDAY...Northwest wind 5 knots. Partly sunny in the morning then clearing. Waves 1 to 2 feet. $$ LSZ121-120400- Chequamegon Bay-Bayfield to Oak Point WI- 426 PM CDT Mon May 11 2026 .TONIGHT...Northeast wind 5 to 10 knots becoming southeast with gusts to around 20 knots after midnight. Chance of rain showers after midnight. Rain showers likely late in the night. Waves 1 foot or less. .TUESDAY...South wind 5 to 10 knots with gusts to around 20 knots becoming west with gusts to around 20 knots in the afternoon. Chance of rain showers in the morning. Rain showers likely in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Rain showers likely in the evening. Waves 1 foot or less. .WEDNESDAY...North wind 5 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ148-120400- Oak Point to Saxon Harbor WI- 426 PM CDT Mon May 11 2026 .TONIGHT...East wind 10 to 15 knots becoming southeast with gusts to around 25 knots after midnight. Chance of rain showers after midnight. Rain showers likely late in the night. Waves 1 to 2 feet. .TUESDAY...South wind 10 to 15 knots with gusts to around 25 knots becoming west 5 to 10 knots in the afternoon. Chance of rain showers in the morning. Rain showers likely in the afternoon. 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. .WEDNESDAY...Northwest wind 5 knots. Mostly sunny. Waves 1 to 2 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH