FZUS53 KDLH 211822 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 122 PM CDT Sun Jun 21 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. LSZ140-212200- Grand Portage to Grand Marais MN- 122 PM CDT Sun Jun 21 2026 .REST OF TODAY...South wind 5 knots. Slight chance of rain showers late. Waves 1 foot or less. .TONIGHT...East wind 5 to 10 knots becoming north in the late evening and overnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. .MONDAY...North wind 5 knots becoming east late in the morning, then becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...West wind 5 to 10 knots becoming northwest early in the morning. Partly cloudy. Waves 1 foot or less. $$ LSZ141-212200- Grand Marais to Taconite Harbor MN- 122 PM CDT Sun Jun 21 2026 .REST OF TODAY...South wind 5 knots early in the afternoon becoming variable 10 knots or less. Mostly sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less becoming north 5 knots early in the morning. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. .MONDAY...Northeast wind 5 knots becoming southeast late in the morning, then becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Southwest wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ142-212200- Taconite Harbor to Silver Bay Harbor MN- 122 PM CDT Sun Jun 21 2026 .REST OF TODAY...South 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. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Variable winds 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ143-212200- Silver Bay Harbor to Two Harbors MN- 122 PM CDT Sun Jun 21 2026 .REST OF TODAY...Southeast wind 5 knots early in the afternoon becoming variable 10 knots or less. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 knots late in the morning, then becoming variable 10 knots or less in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Variable winds 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ144-212200- Two Harbors to Duluth MN- 122 PM CDT Sun Jun 21 2026 .REST OF TODAY...East wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots. Partly cloudy. Waves 1 foot or less. .MONDAY...East wind 5 knots. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ145-212200- Duluth MN to Port Wing WI- 122 PM CDT Sun Jun 21 2026 .REST OF TODAY...Northeast wind 5 knots. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots. Partly cloudy. Waves 1 foot or less. .MONDAY...Northeast wind 5 knots. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ146-212200- Port Wing to Sand Island WI- 122 PM CDT Sun Jun 21 2026 .REST OF TODAY...Northeast wind 5 knots. Sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots. Patchy fog after midnight. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...East 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. $$ LSZ147-212200- Sand Island to Bayfield WI- 122 PM CDT Sun Jun 21 2026 .REST OF TODAY...East wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Variable winds 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ150-212200- Outer Apostle Islands Beyond 5 NM from Mainland- 122 PM CDT Sun Jun 21 2026 .REST OF TODAY...East wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots. Patchy fog after midnight. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Patchy fog in the morning. Waves 1 foot or less. .MONDAY NIGHT...Variable winds 10 knots or less. Mostly cloudy. Waves 1 foot or less. $$ LSZ121-212200- Chequamegon Bay-Bayfield to Oak Point WI- 122 PM CDT Sun Jun 21 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .MONDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ148-212200- Oak Point to Saxon Harbor WI- 122 PM CDT Sun Jun 21 2026 .REST OF TODAY...East wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Patchy fog after midnight. Waves 1 foot or less. .MONDAY...Northeast wind 5 knots becoming east late in the afternoon. Patchy fog in the morning. Waves 1 foot or less. .MONDAY NIGHT...East wind 5 knots in the evening becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH