FZUS53 KDLH 251102 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 602 AM CDT Thu Jun 25 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. LSZ140-251600- Grand Portage to Grand Marais MN- 602 AM CDT Thu Jun 25 2026 .TODAY...Northeast wind 5 to 10 knots becoming south early in the afternoon, then becoming southwest late in the afternoon. Chance of sprinkles in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 knots. Mostly clear. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southeast late in the afternoon. Partly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots. Mostly cloudy. Waves 1 foot or less. $$ LSZ141-251600- Grand Marais to Taconite Harbor MN- 602 AM CDT Thu Jun 25 2026 .TODAY...Northeast wind 5 knots becoming west late in the afternoon. Chance of sprinkles in the afternoon. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less. Chance of sprinkles in the evening. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less. Mostly cloudy. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots. Mostly cloudy. Waves 1 foot or less. $$ LSZ142-251600- Taconite Harbor to Silver Bay Harbor MN- 602 AM CDT Thu Jun 25 2026 .TODAY...North wind 5 knots early in the morning becoming variable 10 knots or less. Chance of sprinkles early in the afternoon. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less. Mostly clear. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less. Mostly cloudy. Waves 1 foot or less. .FRIDAY NIGHT...Variable winds 10 knots or less becoming northeast 5 knots early in the morning. Mostly cloudy. Waves 1 foot or less. $$ LSZ143-251600- Silver Bay Harbor to Two Harbors MN- 602 AM CDT Thu Jun 25 2026 .TODAY...Northeast wind 5 knots in the morning becoming variable 10 knots or less. Partly sunny until late afternoon then clearing. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less. Partly cloudy. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Mostly cloudy. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 foot or less. $$ LSZ144-251600- Two Harbors to Duluth MN- 602 AM CDT Thu Jun 25 2026 .TODAY...North wind 5 knots becoming northeast in the late morning and afternoon. Partly sunny until late afternoon then clearing. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .FRIDAY...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 foot or less. $$ LSZ145-251600- Duluth MN to Port Wing WI- 602 AM CDT Thu Jun 25 2026 .TODAY...Northeast wind 5 knots. Patchy fog early in the morning. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Mostly clear in the evening then becoming mostly cloudy. Waves 1 foot or less. .FRIDAY...Northeast wind 5 to 10 knots. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 foot or less. $$ LSZ146-251600- Port Wing to Sand Island WI- 602 AM CDT Thu Jun 25 2026 .TODAY...Northeast wind 5 knots. Mostly cloudy in the morning then clearing. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 foot or less. $$ LSZ147-251600- Sand Island to Bayfield WI- 602 AM CDT Thu Jun 25 2026 .TODAY...Northeast wind 5 knots until late afternoon becoming variable 10 knots or less. Mostly cloudy in the morning then clearing. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less. Partly cloudy. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Mostly cloudy. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Mostly cloudy. Waves 1 foot or less. $$ LSZ150-251600- Outer Apostle Islands Beyond 5 NM from Mainland- 602 AM CDT Thu Jun 25 2026 .TODAY...Northeast wind 5 to 10 knots until late afternoon becoming variable 10 knots or less. Patchy fog early in the morning. Waves 1 to 2 feet. .TONIGHT...Variable winds 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots. Mostly cloudy. Waves 1 foot or less. $$ LSZ121-251600- Chequamegon Bay-Bayfield to Oak Point WI- 602 AM CDT Thu Jun 25 2026 .TODAY...Northeast wind 5 knots. Mostly cloudy until late afternoon then clearing. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Mostly cloudy. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Mostly cloudy. Waves 1 foot or less. $$ LSZ148-251600- Oak Point to Saxon Harbor WI- 602 AM CDT Thu Jun 25 2026 .TODAY...Northeast wind 5 knots. Patchy fog early in the morning. Chance of sprinkles in the afternoon. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Mostly cloudy. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH