FZUS53 KDLH 221358 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 857 AM CDT Mon Jun 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. LSZ140-222200- Grand Portage to Grand Marais MN- 857 AM CDT Mon Jun 22 2026 .REST OF TODAY...Northeast wind 5 knots becoming southeast late in the morning, then becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...West wind 5 to 10 knots becoming northwest after midnight. Partly cloudy. Waves 1 foot or less. .TUESDAY...Northwest wind 5 knots becoming south in the late morning and early afternoon, then becoming southeast late in the afternoon. Partly sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Slight chance of rain showers in the evening. Slight chance of thunderstorms through the night. Rain showers likely after midnight. Waves 1 foot or less. $$ LSZ141-222200- Grand Marais to Taconite Harbor MN- 857 AM CDT Mon Jun 22 2026 .REST OF TODAY...Northeast wind 5 knots becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northwest wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .TUESDAY...Variable winds 10 knots or less becoming northeast 5 knots late in the afternoon. Partly sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Gusts up to 20 knots early in the morning. Chance of rain showers in the evening. Chance of thunderstorms through the night. Rain showers after midnight. Waves 1 foot or less. $$ LSZ142-222200- Taconite Harbor to Silver Bay Harbor MN- 857 AM CDT Mon Jun 22 2026 .REST OF TODAY...Variable winds 10 knots or less. Mostly sunny. 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. .TUESDAY...Variable winds 10 knots or less becoming northeast 5 knots late in the afternoon. Partly sunny. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 knots. Rain showers likely in the evening. Chance of thunderstorms through the night. Rain showers after midnight. Patchy fog after midnight. Waves 1 foot or less. $$ LSZ143-222200- Silver Bay Harbor to Two Harbors MN- 857 AM CDT Mon Jun 22 2026 .REST OF TODAY...Variable winds 10 knots or less. Mostly sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Chance of thunderstorms and slight chance of rain showers in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Rain showers and chance of thunderstorms through the night. Patchy fog after midnight. Waves 1 foot or less. $$ LSZ144-222200- Two Harbors to Duluth MN- 857 AM CDT Mon Jun 22 2026 .REST OF TODAY...East wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...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. .TUESDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots with gusts to around 20 knots in the late morning and afternoon. Chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Patchy fog through the night. Chance of thunderstorms in the evening. Rain showers through the night. Slight chance of thunderstorms after midnight. Waves 1 foot or less. $$ LSZ145-222200- Duluth MN to Port Wing WI- 857 AM CDT Mon Jun 22 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING... .REST OF TODAY...Northeast wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots with gusts to around 20 knots in the late morning and afternoon. Chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Patchy fog through the night. Chance of thunderstorms in the evening. Rain showers through the night. Slight chance of thunderstorms after midnight. Waves 1 foot or less. $$ LSZ146-222200- Port Wing to Sand Island WI- 857 AM CDT Mon Jun 22 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING... .REST OF TODAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Mostly sunny. 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. .TUESDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 5 to 10 knots. Rain showers likely in the evening. Chance of thunderstorms through the night. Rain showers after midnight. Patchy fog after midnight. Waves 1 foot or less. $$ LSZ147-222200- Sand Island to Bayfield WI- 857 AM CDT Mon Jun 22 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING... .REST OF TODAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. .TUESDAY NIGHT...East wind 5 knots. Rain showers likely in the evening. Chance of thunderstorms through the night. Rain showers after midnight. Patchy fog after midnight. Waves 1 foot or less. $$ LSZ150-222200- Outer Apostle Islands Beyond 5 NM from Mainland- 857 AM CDT Mon Jun 22 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING... .REST OF TODAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Mostly sunny. 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. .TUESDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .TUESDAY NIGHT...East wind 5 to 10 knots. Rain showers likely in the evening. Chance of thunderstorms through the night. Rain showers after midnight. Patchy fog after midnight. Waves 1 foot or less. $$ LSZ121-222200- Chequamegon Bay-Bayfield to Oak Point WI- 857 AM CDT Mon Jun 22 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING... .REST OF TODAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .TUESDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...East wind 5 knots. Rain showers likely in the evening. Chance of thunderstorms through the night. Rain showers after midnight. Patchy fog after midnight. Waves 1 foot or less. $$ LSZ148-222200- Oak Point to Saxon Harbor WI- 857 AM CDT Mon Jun 22 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING... .REST OF TODAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Mostly sunny. 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. .TUESDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .TUESDAY NIGHT...East wind 5 to 10 knots becoming southeast after midnight. Rain showers likely in the evening. Chance of thunderstorms through the night. Rain showers after midnight. Patchy fog after midnight. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH