FZUS53 KDLH 231828 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 128 PM 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. LSZ140-232200- Grand Portage to Grand Marais MN- 128 PM CDT Tue Jun 23 2026 .REST OF TODAY...South wind 5 knots. 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 afternoon. Chance of rain showers and slight chance of thunderstorms. Waves 1 to 2 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 easing to 5 knots early in the morning. Slight chance of rain showers in the evening. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. $$ LSZ141-232200- Grand Marais to Taconite Harbor MN- 128 PM CDT Tue Jun 23 2026 .REST OF TODAY...East wind 5 knots. Partly sunny. Waves 1 foot or less. .TONIGHT...Northeast wind 5 to 10 knots. Slight chance of rain showers in the evening, then rain showers likely and slight chance of thunderstorms after midnight. Waves 1 foot or less. .WEDNESDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the afternoon. Rain showers likely in the morning. Slight chance of thunderstorms through the day. Slight chance of rain showers in the afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Slight chance of rain showers in the evening. Waves 1 to 2 feet. $$ LSZ142-232200- Taconite Harbor to Silver Bay Harbor MN- 128 PM CDT Tue Jun 23 2026 .REST OF TODAY...East wind 5 knots becoming northeast late. Mostly cloudy. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots. Slight chance of rain showers in the evening, then rain showers likely and chance of thunderstorms after midnight. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 to 10 knots. Rain showers likely and chance of thunderstorms in the morning, then chance of rain showers and 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. Slight chance of rain showers through the night. Waves 1 to 2 feet. $$ LSZ143-232200- Silver Bay Harbor to Two Harbors MN- 128 PM CDT Tue Jun 23 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Mostly cloudy. Waves 1 to 3 feet. .TONIGHT...Northeast wind 5 to 10 knots. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers and chance of thunderstorms after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Chance of showers and thunderstorms. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 knots. Slight chance of thunderstorms in the evening. Slight chance of rain showers through the night. Waves 1 to 2 feet. $$ LSZ144-232200- Two Harbors to Duluth MN- 128 PM CDT Tue Jun 23 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Slight chance of rain showers late. Waves 1 to 2 feet building to 1 to 3 feet late. .TONIGHT...Northeast wind 5 to 10 knots. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely and chance of thunderstorms after midnight. Patchy fog after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Patchy fog in the morning. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Chance of showers and thunderstorms in the evening. Waves 1 to 2 feet. $$ LSZ145-232200- Duluth MN to Port Wing WI- 128 PM CDT Tue Jun 23 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Slight chance of rain showers late. Waves 1 to 2 feet building to 1 to 3 feet late. .TONIGHT...Northeast wind 5 to 10 knots. Slight chance of thunderstorms in the evening. Chance of rain showers through the night. Chance of thunderstorms after midnight. Patchy fog after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Patchy fog in the morning. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Chance of showers and thunderstorms in the evening. Waves 1 to 2 feet. $$ LSZ146-232200- Port Wing to Sand Island WI- 128 PM CDT Tue Jun 23 2026 .REST OF TODAY...Northeast wind 5 to 10 knots. Mostly sunny early in the afternoon then becoming mostly cloudy. Waves 1 to 3 feet. .TONIGHT...Northeast wind 5 knots. Slight chance of showers and thunderstorms in the evening, then rain showers and chance of thunderstorms after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Chance of thunderstorms in the morning. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Slight chance of rain showers. Waves 1 to 2 feet. $$ LSZ147-232200- Sand Island to Bayfield WI- 128 PM CDT Tue Jun 23 2026 .REST OF TODAY...East wind 5 knots. Partly sunny. Waves 1 to 2 feet. .TONIGHT...East wind 5 knots. Slight chance of rain showers in the evening, then rain showers and chance of thunderstorms after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 knots. Chance of showers and thunderstorms in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 knots. Slight chance of rain showers in the evening. Waves 1 to 2 feet. $$ LSZ150-232200- Outer Apostle Islands Beyond 5 NM from Mainland- 128 PM CDT Tue Jun 23 2026 .REST OF TODAY...East wind 5 to 10 knots. Partly sunny. Waves 1 to 2 feet. .TONIGHT...East wind 5 to 10 knots. Slight chance of rain showers in the evening, then rain showers likely and chance of thunderstorms after midnight. Waves 1 to 3 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Chance of showers and thunderstorms in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Slight chance of rain showers in the evening. Waves 1 to 3 feet. $$ LSZ121-232200- Chequamegon Bay-Bayfield to Oak Point WI- 128 PM CDT Tue Jun 23 2026 .REST OF TODAY...East wind 5 to 10 knots. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...Northeast wind 5 knots. Chance of rain showers in the evening, then rain showers and chance of thunderstorms after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Chance of showers and thunderstorms. Waves 1 foot or less. .WEDNESDAY NIGHT...North wind 5 knots. Chance of rain showers and slight chance of thunderstorms in the evening. Waves 1 foot or less. $$ LSZ148-232200- Oak Point to Saxon Harbor WI- 128 PM CDT Tue Jun 23 2026 .REST OF TODAY...East wind 5 to 10 knots. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...East wind 5 to 10 knots. Chance of rain showers in the evening, then rain showers and chance of thunderstorms after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 to 10 knots. Rain showers likely in the morning. Chance of thunderstorms through the day. Chance of rain showers in the afternoon. Waves 1 to 2 feet. .WEDNESDAY NIGHT...North wind 5 knots. Chance of showers and thunderstorms in the evening. Waves 1 to 2 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH