FZUS53 KDLH 251752 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1252 PM 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. LSZ140-252200- Grand Portage to Grand Marais MN- 1252 PM CDT Thu Jun 25 2026 .REST OF TODAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 5 to 10 knots. Areas of dense fog after midnight. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming south late in the afternoon. Areas of dense fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...East wind 5 knots becoming northeast after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. $$ LSZ141-252200- Grand Marais to Taconite Harbor MN- 1252 PM CDT Thu Jun 25 2026 .REST OF TODAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northwest wind 5 knots early in the evening becoming variable 10 knots or less. Areas of dense fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less. Areas of dense fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. $$ LSZ142-252200- Taconite Harbor to Silver Bay Harbor MN- 1252 PM CDT Thu Jun 25 2026 .REST OF TODAY...Southwest wind 5 knots early in the afternoon becoming variable 10 knots or less. Mostly sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less. Areas of dense fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less. Areas of dense fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Variable winds 10 knots or less becoming northeast 5 knots early in the morning. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. $$ LSZ143-252200- Silver Bay Harbor to Two Harbors MN- 1252 PM CDT Thu Jun 25 2026 .REST OF TODAY...South wind 5 knots early in the afternoon becoming variable 10 knots or less. Sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less. Patchy fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Partly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots. Slight chance of rain showers in the evening. Waves 1 foot or less. $$ LSZ144-252200- Two Harbors to Duluth MN- 1252 PM CDT Thu Jun 25 2026 .REST OF TODAY...East wind 5 knots. Sunny. 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. Partly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 to 10 knots. Slight chance of rain showers in the evening. Waves 1 foot or less. $$ LSZ145-252200- Duluth MN to Port Wing WI- 1252 PM CDT Thu Jun 25 2026 .REST OF TODAY...Northeast wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Patchy fog after midnight. Waves 1 foot or less. .FRIDAY...Northeast wind 5 to 10 knots. Partly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 to 10 knots. Slight chance of rain showers in the evening. Waves 1 foot or less. $$ LSZ146-252200- Port Wing to Sand Island WI- 1252 PM CDT Thu Jun 25 2026 .REST OF TODAY...North wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less. Patchy fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Areas of dense fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 to 10 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. $$ LSZ147-252200- Sand Island to Bayfield WI- 1252 PM CDT Thu Jun 25 2026 .REST OF TODAY...North wind 5 knots early in the afternoon becoming variable 10 knots or less. Mostly sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less. Areas of dense fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Areas of dense fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...East wind 5 knots in the evening becoming variable 10 knots or less. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. $$ LSZ150-252200- Outer Apostle Islands Beyond 5 NM from Mainland- 1252 PM CDT Thu Jun 25 2026 .REST OF TODAY...Northwest wind 5 knots becoming north late. Mostly sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less. Areas of dense fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Areas of dense fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. $$ LSZ121-252200- Chequamegon Bay-Bayfield to Oak Point WI- 1252 PM CDT Thu Jun 25 2026 .REST OF TODAY...Northeast wind 5 knots. Partly sunny early in the afternoon then clearing. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Areas of dense fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Areas of dense fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. $$ LSZ148-252200- Oak Point to Saxon Harbor WI- 1252 PM CDT Thu Jun 25 2026 .REST OF TODAY...North wind 5 knots becoming northeast late. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Areas of dense fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Areas of dense fog in the morning. 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