FZUS53 KDLH 201117 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 617 AM CDT Sat Jun 20 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. LSZ140-201600- Grand Portage to Grand Marais MN- 617 AM CDT Sat Jun 20 2026 .TODAY...Southwest wind 5 to 10 knots. Slight chance of rain showers early in the morning, then chance of rain showers and slight chance of thunderstorms in the late morning and afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 knots becoming northwest in the late evening and overnight. Slight chance of rain showers in the evening. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming southeast late in the morning, then becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...South wind 5 knots becoming north in the late evening and overnight. Partly cloudy. Waves 1 foot or less. $$ LSZ141-201600- Grand Marais to Taconite Harbor MN- 617 AM CDT Sat Jun 20 2026 .TODAY...West wind 5 knots. Slight chance of rain showers in the morning. Slight chance of thunderstorms in the late morning and afternoon. Chance of rain showers in the afternoon. Waves 1 foot or less. .TONIGHT...Northwest wind 5 knots early in the evening becoming variable 10 knots or less, then becoming north 5 knots after midnight. Slight chance of rain showers in the evening. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming south in the late morning and early afternoon, then becoming variable 10 knots or less late in the afternoon. Mostly sunny. Waves 1 foot or less. .SUNDAY NIGHT...Variable winds 10 knots or less becoming north 5 knots early in the morning. Partly cloudy. Waves 1 foot or less. $$ LSZ142-201600- Taconite Harbor to Silver Bay Harbor MN- 617 AM CDT Sat Jun 20 2026 .TODAY...Southwest wind 5 knots. Slight chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .TONIGHT...Northwest wind 5 knots early in the evening becoming variable 10 knots or less, then becoming north 5 knots after midnight becoming variable 10 knots or less. Slight chance of rain showers in the evening. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Variable winds 10 knots or less. Partly cloudy. Waves 1 foot or less. $$ LSZ143-201600- Silver Bay Harbor to Two Harbors MN- 617 AM CDT Sat Jun 20 2026 .TODAY...West wind 5 knots. Slight chance of rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...North wind 5 knots early in the evening becoming variable 10 knots or less, then becoming north 5 knots after midnight becoming variable 10 knots or less. Slight chance of rain showers in the evening. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming northeast 5 knots late in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. $$ LSZ144-201600- Two Harbors to Duluth MN- 617 AM CDT Sat Jun 20 2026 .TODAY...West wind 5 to 10 knots. Slight chance of rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...Northwest wind 5 knots. Slight chance of rain showers in the evening. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming east in the late morning and afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ145-201600- Duluth MN to Port Wing WI- 617 AM CDT Sat Jun 20 2026 .TODAY...West wind 5 to 10 knots. Slight chance of rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...Northwest wind 5 knots. Slight chance of rain showers in the evening. Waves 1 foot or less. .SUNDAY...Northeast wind 5 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots. Partly cloudy. Waves 1 foot or less. $$ LSZ146-201600- Port Wing to Sand Island WI- 617 AM CDT Sat Jun 20 2026 .TODAY...West wind 5 knots. Patchy fog early in the morning. Slight chance of rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northwest 5 knots after midnight becoming variable 10 knots or less. Slight chance of rain showers in the evening. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming northeast 5 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Mostly clear in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ147-201600- Sand Island to Bayfield WI- 617 AM CDT Sat Jun 20 2026 .TODAY...West wind 5 knots. Patchy fog early in the morning. Slight chance of rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less becoming northwest 5 knots after midnight, then becoming variable 10 knots or less early in the morning. Slight chance of rain showers in the evening. Patchy fog after midnight. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Variable winds 10 knots or less. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ150-201600- Outer Apostle Islands Beyond 5 NM from Mainland- 617 AM CDT Sat Jun 20 2026 .TODAY...West wind 5 knots. Patchy fog early in the morning. Slight chance of rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northwest 5 knots after midnight. Slight chance of rain showers in the evening. Patchy fog after midnight. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. $$ LSZ121-201600- Chequamegon Bay-Bayfield to Oak Point WI- 617 AM CDT Sat Jun 20 2026 .TODAY...West wind 5 knots becoming northwest in the afternoon. Patchy fog early in the morning. Slight chance of rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...Northwest wind 5 knots early in the evening becoming variable 10 knots or less. Slight chance of rain showers in the evening. Patchy fog after midnight. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. $$ LSZ148-201600- Oak Point to Saxon Harbor WI- 617 AM CDT Sat Jun 20 2026 .TODAY...West wind 5 knots becoming northwest early in the afternoon, then becoming south late in the afternoon. Patchy fog early in the morning. Slight chance of rain showers late in the afternoon. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less. Slight chance of rain showers in the evening. Patchy fog after midnight. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Sunny. Waves 1 foot or less. .SUNDAY 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. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH