FZUS53 KDLH 221000 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 500 AM CDT Fri May 22 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. LSZ140-221600- Grand Portage to Grand Marais MN- 500 AM CDT Fri May 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH SATURDAY MORNING... .TODAY...Northeast wind 15 to 20 knots with gusts to around 30 knots. Mostly sunny. Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Slight chance of rain showers after midnight. Waves 2 to 4 feet. .SATURDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots until late afternoon. Rain showers. Waves 1 to 3 feet. .SATURDAY NIGHT...Northeast wind 5 to 10 knots becoming north early in the morning. Chance of rain showers. Waves 1 to 3 feet. $$ LSZ141-221600- Grand Marais to Taconite Harbor MN- 500 AM CDT Fri May 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH SATURDAY MORNING... .TODAY...East wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 1 to 3 feet building to 3 to 5 feet late in the afternoon. .TONIGHT...East wind 20 to 25 knots with gusts to around 30 knots becoming northeast 10 to 15 knots with gusts to around 20 knots after midnight. Rain showers likely after midnight. Waves 4 to 6 feet. Waves occasionally to 7 feet. .SATURDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Rain showers in the morning, then chance of rain showers in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .SATURDAY NIGHT...Northeast wind 5 to 10 knots in the evening becoming variable 10 knots or less. Chance of rain showers in the evening, then slight chance of rain showers after midnight. Waves 1 to 2 feet. $$ LSZ142-221600- Taconite Harbor to Silver Bay Harbor MN- 500 AM CDT Fri May 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH SATURDAY MORNING... .TODAY...Northeast wind 15 to 20 knots with gusts to around 30 knots. Mostly sunny until late afternoon then becoming mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Slight chance of rain showers in the evening, then rain showers after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. .SATURDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots until late afternoon. Rain showers in the morning, then slight chance of rain showers in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .SATURDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Slight chance of rain showers through the night. Waves 1 to 2 feet. $$ LSZ143-221600- Silver Bay Harbor to Two Harbors MN- 500 AM CDT Fri May 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM CDT THIS MORNING THROUGH LATE TONIGHT... .TODAY...Northeast wind 5 to 10 knots with gusts to around 20 knots rising to 15 to 20 knots with gusts to around 30 knots in the late morning and afternoon. Mostly sunny until late afternoon then becoming mostly cloudy. Waves 1 to 3 feet building to 3 to 5 feet in the afternoon. .TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Slight chance of rain showers in the evening, then rain showers after midnight. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the morning. Waves occasionally to 8 feet. .SATURDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Chance of rain showers in the morning, then slight chance of rain showers in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .SATURDAY NIGHT...Northeast wind 5 to 10 knots in the evening becoming variable 10 knots or less. Slight chance of rain showers through the night. Waves 1 to 2 feet. $$ LSZ144-221600- Two Harbors to Duluth MN- 500 AM CDT Fri May 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM CDT THIS MORNING THROUGH LATE TONIGHT... .TODAY...Northeast wind 5 to 10 knots with gusts to around 20 knots rising to 20 to 25 knots with gusts to around 30 knots in the late morning and afternoon. Mostly sunny in the morning then becoming mostly cloudy. Waves 1 to 2 feet building to 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...Northeast wind 20 to 25 knots with gusts to around 30 knots easing to 10 to 15 knots with gusts to around 20 knots after midnight. Slight chance of rain showers in the evening, then rain showers after midnight. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the morning. Waves occasionally to 8 feet. .SATURDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Rain showers likely in the morning, then chance of rain showers in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .SATURDAY NIGHT...Northeast wind 5 to 10 knots in the evening becoming variable 10 knots or less. Chance of rain showers in the evening. Waves 1 to 2 feet. $$ LSZ145-221600- Duluth MN to Port Wing WI- 500 AM CDT Fri May 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM CDT THIS MORNING THROUGH LATE TONIGHT... .TODAY...Northeast wind 5 to 10 knots rising to 20 to 25 knots with gusts to around 30 knots in the late morning and afternoon. Partly sunny. Waves 1 to 2 feet building to 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...Northeast wind 20 to 25 knots with gusts to around 30 knots easing to 10 to 15 knots with gusts to around 20 knots after midnight. Slight chance of rain showers in the evening, then rain showers after midnight. Waves 4 to 6 feet subsiding to 1 to 3 feet early in the morning. Waves occasionally to 8 feet. .SATURDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Rain showers likely in the morning, then chance of rain showers in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...Northeast wind 5 to 10 knots in the evening becoming variable 10 knots or less. Chance of rain showers in the evening. Waves 1 to 2 feet. $$ LSZ146-221600- Port Wing to Sand Island WI- 500 AM CDT Fri May 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. .TONIGHT...East wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots after midnight. Slight chance of rain showers in the evening, then rain showers after midnight. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the morning. .SATURDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Chance of rain showers in the morning, then slight chance of rain showers in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Slight chance of rain showers through the night. Waves 1 foot or less. $$ LSZ147-221600- Sand Island to Bayfield WI- 500 AM CDT Fri May 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny until late afternoon then becoming mostly cloudy. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. .TONIGHT...East wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots after midnight. Slight chance of rain showers in the evening, then rain showers likely after midnight. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the morning. .SATURDAY...East wind 5 to 10 knots. Rain showers in the morning, then chance of rain showers in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Slight chance of rain showers through the night. Waves 1 foot or less. $$ LSZ150-221600- Outer Apostle Islands Beyond 5 NM from Mainland- 500 AM CDT Fri May 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. Waves occasionally to 7 feet. .TONIGHT...East wind 15 to 20 knots. Gusts up to 30 knots. Rain showers likely after midnight. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the morning. Waves occasionally to 7 feet. .SATURDAY...East wind 10 to 15 knots. Rain showers in the morning, then chance of rain showers in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...Northeast wind 5 knots becoming west early in the morning. Slight chance of rain showers through the night. Waves 1 to 2 feet. $$ LSZ121-221600- Chequamegon Bay-Bayfield to Oak Point WI- 500 AM CDT Fri May 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH THIS EVENING... .TODAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .TONIGHT...East wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Slight chance of rain showers in the evening, then rain showers likely after midnight. Waves 1 to 2 feet. .SATURDAY...East wind 5 to 10 knots. Rain showers likely in the morning, then chance of rain showers in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...East wind 5 knots becoming north late in the evening, then becoming variable 10 knots or less after midnight. Chance of rain showers in the evening. Waves 1 foot or less. $$ LSZ148-221600- Oak Point to Saxon Harbor WI- 500 AM CDT Fri May 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH THIS EVENING... .TODAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny until late afternoon then becoming mostly cloudy. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. .TONIGHT...East wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Slight chance of rain showers in the evening, then chance of rain showers after midnight. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. A small craft advisory may be needed. .SATURDAY...East wind 5 to 10 knots. Rain showers likely in the morning, then chance of rain showers in the afternoon. Waves 1 to 2 feet. .SATURDAY NIGHT...East wind 5 knots in the evening becoming variable 10 knots or less. Chance of rain showers in the evening. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH