FZUS53 KDLH 230623 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 122 AM CDT Tue Jun 23 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. LSZ140-231600- Grand Portage to Grand Marais MN- 122 AM CDT Tue Jun 23 2026 .TODAY...North wind 5 knots becoming south in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 to 10 knots. Chance of rain showers after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .WEDNESDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots becoming north 5 knots early in the morning. Mostly cloudy. Waves 1 to 3 feet. $$ LSZ141-231600- Grand Marais to Taconite Harbor MN- 122 AM CDT Tue Jun 23 2026 .TODAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Partly sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 to 10 knots. Slight chance of rain showers in the evening. Slight chance of thunderstorms through the night. Chance of rain showers after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late morning and afternoon. Patchy fog in the morning. Chance of rain showers and slight chance of thunderstorms through the day. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly cloudy. Waves 1 to 2 feet. $$ LSZ142-231600- Taconite Harbor to Silver Bay Harbor MN- 122 AM CDT Tue Jun 23 2026 .TODAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the afternoon. Mostly sunny until late afternoon then becoming mostly cloudy. Waves 1 foot or less. .TONIGHT...Northeast wind 5 to 10 knots. Chance of rain showers in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 to 10 knots. Gusts up to 20 knots early in the afternoon. Patchy fog in the morning. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Mostly cloudy. Waves 1 to 2 feet. $$ LSZ143-231600- Silver Bay Harbor to Two Harbors MN- 122 AM CDT Tue Jun 23 2026 .TODAY...Variable winds 10 knots or less becoming northeast 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Mostly sunny until late afternoon then becoming mostly cloudy. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Rain showers likely and slight chance of thunderstorms through the night. Patchy fog after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Patchy fog in the morning. Chance of rain showers in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots until early morning becoming variable 10 knots or less. Mostly cloudy. Waves 1 to 2 feet. $$ LSZ144-231600- Two Harbors to Duluth MN- 122 AM CDT Tue Jun 23 2026 .TODAY...Variable winds 10 knots or less becoming northeast 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Slight chance of showers and thunderstorms late in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northeast wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Rain showers likely and slight chance of thunderstorms through the night. Patchy fog after midnight. Waves 1 to 3 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Patchy fog in the morning. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 to 2 feet. $$ LSZ145-231600- Duluth MN to Port Wing WI- 122 AM CDT Tue Jun 23 2026 .TODAY...Variable winds 10 knots or less becoming northeast 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Slight chance of showers and thunderstorms late in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northeast wind 5 to 10 knots. Rain showers likely and slight chance of thunderstorms through the night. Patchy fog after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Patchy fog in the morning. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Slight chance of rain showers. Waves 1 to 2 feet. $$ LSZ146-231600- Port Wing to Sand Island WI- 122 AM CDT Tue Jun 23 2026 .TODAY...Variable winds 10 knots or less becoming northeast 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Mostly sunny until late afternoon then becoming mostly cloudy. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 to 10 knots. Rain showers likely and slight chance of thunderstorms through the night. Patchy fog after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Patchy fog in the morning. Chance of rain showers in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Slight chance of rain showers through the night. Waves 1 to 2 feet. $$ LSZ147-231600- Sand Island to Bayfield WI- 122 AM CDT Tue Jun 23 2026 .TODAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...East wind 5 to 10 knots. Rain showers likely and slight chance of thunderstorms through the night. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 to 10 knots. Patchy fog in the morning. Chance of rain showers in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 knots. Slight chance of rain showers. Waves 1 to 2 feet. $$ LSZ150-231600- Outer Apostle Islands Beyond 5 NM from Mainland- 122 AM CDT Tue Jun 23 2026 .TODAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the afternoon. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...East wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots early in the morning. Chance of rain showers and slight chance of thunderstorms through the night. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Gusts up to 20 knots in the afternoon. Patchy fog in the morning. Rain showers likely in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Slight chance of rain showers. Waves 1 to 3 feet. $$ LSZ121-231600- Chequamegon Bay-Bayfield to Oak Point WI- 122 AM CDT Tue Jun 23 2026 .TODAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 to 10 knots. Rain showers likely in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Patchy fog after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Patchy fog in the morning. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .WEDNESDAY NIGHT...North wind 5 knots. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Waves 1 to 2 feet. $$ LSZ148-231600- Oak Point to Saxon Harbor WI- 122 AM CDT Tue Jun 23 2026 .TODAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...East wind 5 to 10 knots. Chance of rain showers in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 knots becoming north in the afternoon. Patchy fog in the morning. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .WEDNESDAY NIGHT...North wind 5 knots. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Waves 1 to 2 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH