FZUS53 KDLH 192138 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 438 PM CDT Fri Jun 19 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. LSZ140-200400- Grand Portage to Grand Marais MN- 438 PM CDT Fri Jun 19 2026 .TONIGHT...Southwest wind 10 to 15 knots becoming west 5 knots after midnight. Slight chance of rain showers after midnight. 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. .SATURDAY NIGHT...West wind 5 knots becoming northwest after midnight. Chance of rain showers in the evening. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming east late in the morning, then becoming south in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ141-200400- Grand Marais to Taconite Harbor MN- 438 PM CDT Fri Jun 19 2026 .TONIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northwest 5 knots late in the night. Slight chance of rain showers through the night. Waves 1 foot or less. .SATURDAY...Northwest wind 5 knots becoming west in the afternoon. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...Northwest wind 5 knots. Chance of rain showers in the evening. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming southeast 5 knots early in the afternoon, then becoming variable 10 knots or less late in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ142-200400- Taconite Harbor to Silver Bay Harbor MN- 438 PM CDT Fri Jun 19 2026 .TONIGHT...Variable winds 10 knots or less becoming northwest 5 knots late in the night. Chance of rain showers and slight chance of thunderstorms early in the evening. Slight chance of rain showers after midnight. Waves 1 foot or less. .SATURDAY...West wind 5 knots. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...Northwest 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. Chance of rain showers in the evening. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less. Mostly sunny. Waves 1 foot or less. $$ LSZ143-200400- Silver Bay Harbor to Two Harbors MN- 438 PM CDT Fri Jun 19 2026 .TONIGHT...South wind 5 knots early in the evening becoming variable 10 knots or less, then becoming west 5 knots late in the night. Chance of showers and thunderstorms early in the evening. Patchy fog late in the night. Waves 1 foot or less. .SATURDAY...West wind 5 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...Northwest wind 5 knots early in the evening becoming variable 10 knots or less, then becoming north 5 knots after midnight becoming variable 10 knots or less. Slight chance of rain showers in the evening. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ144-200400- Two Harbors to Duluth MN- 438 PM CDT Fri Jun 19 2026 .TONIGHT...Southeast wind 5 knots becoming northwest in the late evening and overnight. Chance of showers and thunderstorms early in the evening, then slight chance of showers and thunderstorms late in the evening. Patchy fog after midnight. Waves 1 foot or less. .SATURDAY...West wind 5 to 10 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...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 east in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ145-200400- Duluth MN to Port Wing WI- 438 PM CDT Fri Jun 19 2026 .TONIGHT...Southeast wind 5 knots becoming west in the late evening and overnight. Chance of showers and thunderstorms early in the evening, then slight chance of showers and thunderstorms late in the evening. Patchy fog after midnight. Waves 1 foot or less. .SATURDAY...West wind 5 to 10 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...Northwest wind 5 knots. Slight chance of rain showers in the evening. Waves 1 foot or less. .SUNDAY...North wind 5 knots becoming northeast in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ146-200400- Port Wing to Sand Island WI- 438 PM CDT Fri Jun 19 2026 .TONIGHT...South wind 5 knots early in the evening becoming variable 10 knots or less, then becoming west 5 knots after midnight. Chance of rain showers and slight chance of thunderstorms early in the evening, then slight chance of rain showers late in the evening. Patchy fog late in the night. Waves 1 foot or less. .SATURDAY...West wind 5 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...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 in the late morning and afternoon. Sunny. Waves 1 foot or less. $$ LSZ147-200400- Sand Island to Bayfield WI- 438 PM CDT Fri Jun 19 2026 .TONIGHT...South wind 5 knots early in the evening becoming variable 10 knots or less, then becoming west 5 knots late in the night. Chance of rain showers and slight chance of thunderstorms early in the evening, then slight chance of rain showers in the late evening and early morning. Patchy fog late in the night. Waves 1 foot or less. .SATURDAY...West wind 5 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less. Slight chance of rain showers in the evening. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and early afternoon, then becoming east late in the afternoon. Sunny. Waves 1 foot or less. $$ LSZ150-200400- Outer Apostle Islands Beyond 5 NM from Mainland- 438 PM CDT Fri Jun 19 2026 .TONIGHT...South wind 5 knots becoming west after midnight. Chance of rain showers early in the evening, then slight chance of rain showers in the late evening and early morning. Waves 1 foot or less. .SATURDAY...West wind 5 to 10 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...West wind 5 knots becoming northwest after midnight. Slight chance of rain showers in the evening. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming north 5 knots late in the morning, then becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ121-200400- Chequamegon Bay-Bayfield to Oak Point WI- 438 PM CDT Fri Jun 19 2026 .TONIGHT...Southeast wind 5 knots becoming west after midnight. Chance of rain showers early in the evening. Slight chance of thunderstorms in the evening. Slight chance of rain showers in the late evening and early morning. Waves 1 foot or less. .SATURDAY...Northwest wind 5 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...Northwest wind 5 knots early in the evening becoming variable 10 knots or less. Slight chance of rain showers in the evening. Waves 1 foot or less. .SUNDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ148-200400- Oak Point to Saxon Harbor WI- 438 PM CDT Fri Jun 19 2026 .TONIGHT...Southeast wind 5 knots becoming west after midnight. Chance of rain showers and slight chance of thunderstorms early in the evening, then slight chance of rain showers in the late evening and early morning. Waves 1 foot or less. .SATURDAY...West wind 5 knots becoming northwest early in the afternoon, then becoming east late in the afternoon. Slight chance of rain showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...West wind 5 knots early in the evening 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 in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH