FZUS53 KDLH 091257 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 757 AM CDT Thu Jul 9 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. LSZ140-091600- Grand Portage to Grand Marais MN- 757 AM CDT Thu Jul 9 2026 .TODAY...South wind 5 knots becoming southeast in the late morning and early afternoon, then becoming south late in the afternoon. Patchy fog early in the morning. Patchy fog early in the afternoon. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots. Patchy dense fog after midnight. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots becoming southeast in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...East wind 5 knots becoming northeast in the late evening and overnight. Slight chance of showers and thunderstorms through the night. Waves 1 foot or less. $$ LSZ141-091600- Grand Marais to Taconite Harbor MN- 757 AM CDT Thu Jul 9 2026 .TODAY...Northwest wind 5 knots becoming east in the late morning and afternoon. Patchy dense fog early in the morning. Waves 1 foot or less. .TONIGHT...Southeast wind 5 knots becoming west late in the evening, then becoming variable 10 knots or less after midnight. Patchy fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming southeast 5 knots in the late morning and afternoon. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Chance of rain showers and slight chance of thunderstorms through the night. Waves 1 foot or less. $$ LSZ142-091600- Taconite Harbor to Silver Bay Harbor MN- 757 AM CDT Thu Jul 9 2026 .TODAY...Northwest wind 5 knots becoming east in the late morning and afternoon. Patchy dense fog early in the morning. Waves 1 foot or less. .TONIGHT...East wind 5 knots in the evening becoming variable 10 knots or less. Patchy fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Chance of rain showers and slight chance of thunderstorms through the night. Waves 1 foot or less. $$ LSZ143-091600- Silver Bay Harbor to Two Harbors MN- 757 AM CDT Thu Jul 9 2026 .TODAY...Southeast wind 5 knots becoming east in the afternoon. Patchy dense fog early in the morning. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Chance of rain showers and slight chance of thunderstorms through the night. Waves 1 foot or less. $$ LSZ144-091600- Two Harbors to Duluth MN- 757 AM CDT Thu Jul 9 2026 .TODAY...East wind 5 knots. Patchy dense fog early in the morning. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming east 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Chance of rain showers and slight chance of thunderstorms through the night. Waves 1 foot or less. $$ LSZ145-091600- Duluth MN to Port Wing WI- 757 AM CDT Thu Jul 9 2026.TODAY...Southwest wind 5 knots becoming northeast in the late morning and early afternoon, then becoming northeast 5 knots late in the afternoon. Areas of dense fog early in the morning. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Chance of rain showers in the evening. Slight chance of thunderstorms through the night. Slight chance of rain showers after midnight. Waves 1 foot or less. $$ LSZ146-091600- Port Wing to Sand Island WI- 757 AM CDT Thu Jul 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Southwest wind 5 knots becoming northwest late in the morning, then becoming northeast in the afternoon. Areas of dense fog early in the morning, then patchy fog late in the morning. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Patchy fog. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Slight chance of showers and thunderstorms through the night. Waves 1 foot or less. $$ LSZ147-091600- Sand Island to Bayfield WI- 757 AM CDT Thu Jul 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...West wind 5 knots becoming northeast in the afternoon. Areas of dense fog early in the morning. Waves 1 foot or less. .TONIGHT...East wind 5 knots in the evening becoming variable 10 knots or less. Patchy fog. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...East wind 5 to 10 knots becoming northeast late in the evening, then becoming variable 10 knots or less after midnight. Slight chance of showers and thunderstorms through the night. Waves 1 foot or less. $$ LSZ150-091600- Outer Apostle Islands Beyond 5 NM from Mainland- 757 AM CDT Thu Jul 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Southwest wind 5 knots becoming north late in the morning, then becoming northeast in the afternoon. Areas of dense fog early in the morning, then patchy fog in the late morning and afternoon. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Patchy fog in the evening, then areas of dense fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Areas of dense fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...East wind 5 to 10 knots becoming northeast late in the evening, then becoming variable 10 knots or less after midnight. Slight chance of showers and thunderstorms through the night. Waves 1 foot or less. $$ LSZ121-091600- Chequamegon Bay-Bayfield to Oak Point WI- 757 AM CDT Thu Jul 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Areas of dense fog early in the morning. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Patchy fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Slight chance of rain showers in the evening. Slight chance of thunderstorms through the night. Chance of rain showers after midnight. Waves 1 foot or less. $$ LSZ148-091600- Oak Point to Saxon Harbor WI- 757 AM CDT Thu Jul 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Southwest wind 5 knots becoming northeast in the late morning and afternoon. Areas of dense fog early in the morning, then patchy fog late in the morning. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Patchy dense fog in the evening, then areas of dense fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...North wind 5 knots early in the evening becoming variable 10 knots or less. Slight chance of rain showers in the evening. Slight chance of thunderstorms through the night. Chance of rain showers after midnight. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH