FZUS53 KDLH 190222 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 922 PM CDT Thu Jun 18 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. LSZ140-191015- Grand Portage to Grand Marais MN- 922 PM CDT Thu Jun 18 2026 .REST OF TONIGHT...West wind 10 to 15 knots. Slight chance of rain showers late in the evening. Waves 1 foot or less. .FRIDAY...Northwest wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. .FRIDAY NIGHT...West wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots early in the morning. Mostly cloudy. Waves 1 to 2 feet. .SATURDAY...West wind 5 knots becoming southwest in the afternoon. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Waves 1 foot or less. $$ LSZ141-191015- Grand Marais to Taconite Harbor MN- 922 PM CDT Thu Jun 18 2026 .REST OF TONIGHT...Southwest wind 5 knots becoming northwest after midnight. Slight chance of rain showers late in the evening. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest in the late morning and afternoon. Sunny in the morning then becoming partly sunny. Waves 1 foot or less. .FRIDAY NIGHT...West wind 5 knots in the evening becoming variable 10 knots or less, then becoming northwest 5 knots early in the morning. Slight chance of rain showers. Waves 1 foot or less. .SATURDAY...West wind 5 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ142-191015- Taconite Harbor to Silver Bay Harbor MN- 922 PM CDT Thu Jun 18 2026 .REST OF TONIGHT...Southwest wind 5 knots becoming northwest after midnight. Slight chance of rain showers late in the evening. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest in the late morning and afternoon. Sunny in the morning then becoming partly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northwest 5 knots early in the morning. Chance of rain showers in the evening, then slight chance of rain showers after midnight. Waves 1 foot or less. .SATURDAY...West wind 5 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. $$ LSZ143-191015- Silver Bay Harbor to Two Harbors MN- 922 PM CDT Thu Jun 18 2026 .REST OF TONIGHT...Southwest wind 5 knots becoming west after midnight. Slight chance of rain showers late in the evening. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Chance of rain showers in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots early in the evening becoming variable 10 knots or less, then becoming west 5 knots early in the morning. Chance of rain showers in the evening. Waves 1 foot or less. .SATURDAY...West wind 5 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ144-191015- Two Harbors to Duluth MN- 922 PM CDT Thu Jun 18 2026 .REST OF TONIGHT...West wind 5 knots. Slight chance of rain showers late in the evening. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots becoming south in the afternoon. Rain showers likely and slight chance of thunderstorms in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots becoming west after midnight. Chance of rain showers and slight chance of thunderstorms in the evening. Waves 1 foot or less. .SATURDAY...West wind 5 knots. Sunny. Waves 1 foot or less. $$ LSZ145-191015- Duluth MN to Port Wing WI- 922 PM CDT Thu Jun 18 2026 .REST OF TONIGHT...West wind 5 knots. Slight chance of rain showers late in the evening. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Rain showers likely and slight chance of thunderstorms in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots becoming west after midnight. Chance of rain showers and slight chance of thunderstorms in the evening. Waves 1 foot or less. .SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ146-191015- Port Wing to Sand Island WI- 922 PM CDT Thu Jun 18 2026 .REST OF TONIGHT...West wind 5 to 10 knots. Chance of rain showers late in the evening. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots. Chance of rain showers in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots early in the evening becoming variable 10 knots or less, then becoming west 5 knots after midnight. Chance of rain showers in the evening. Waves 1 foot or less. .SATURDAY...West wind 5 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ147-191015- Sand Island to Bayfield WI- 922 PM CDT Thu Jun 18 2026 .REST OF TONIGHT...West wind 5 to 10 knots. Chance of rain showers late in the evening. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots early in the evening becoming variable 10 knots or less, then becoming west 5 knots after midnight. Chance of rain showers in the evening. Waves 1 foot or less. .SATURDAY...West wind 5 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ150-191015- Outer Apostle Islands Beyond 5 NM from Mainland- 922 PM CDT Thu Jun 18 2026 .REST OF TONIGHT...West wind 5 to 10 knots. Chance of rain showers late in the evening. Waves 1 to 2 feet. .FRIDAY...West wind 5 knots becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots becoming west after midnight. Chance of rain showers in the evening. Waves 1 foot or less. .SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ121-191015- Chequamegon Bay-Bayfield to Oak Point WI- 922 PM CDT Thu Jun 18 2026 .REST OF TONIGHT...West wind 5 to 10 knots. Chance of rain showers late in the evening. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming south early in the afternoon, then becoming west late in the afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots becoming west early in the morning. Chance of rain showers in the evening. Waves 1 foot or less. .SATURDAY...Northwest wind 5 knots. Mostly sunny. Waves 1 foot or less. $$ LSZ148-191015- Oak Point to Saxon Harbor WI- 922 PM CDT Thu Jun 18 2026 .REST OF TONIGHT...West wind 5 to 10 knots. Chance of rain showers late in the evening. Waves 1 foot or less. .FRIDAY...West wind 5 knots becoming south early in the afternoon, then becoming southwest late in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...Southwest wind 5 knots becoming west after midnight. Chance of rain showers in the evening, then slight chance of rain showers after midnight. Waves 1 foot or less. .SATURDAY...Northwest wind 5 knots. Mostly sunny. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes JDS