FZUS53 KDLH 091000 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 500 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- 500 AM CDT Thu Jul 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...Southeast wind 5 knots becoming south late in the afternoon. Patchy dense fog early in the morning. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots. Partly cloudy. Waves 1 foot or less. .FRIDAY...Southwest wind 5 knots becoming southeast in the late morning and afternoon. Patchy fog in the morning. 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. Waves 1 foot or less. $$ LSZ141-091600- Grand Marais to Taconite Harbor MN- 500 AM CDT Thu Jul 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...East wind 5 knots. Patchy dense fog early in the morning. Waves 1 foot or less. .TONIGHT...Southeast wind 5 knots becoming west late in the evening, then becoming variable 10 knots or less after midnight. Patchy fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming southeast 5 knots in the late morning and afternoon. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Chance of rain showers and slight chance of thunderstorms. Waves 1 foot or less. $$ LSZ142-091600- Taconite Harbor to Silver Bay Harbor MN- 500 AM CDT Thu Jul 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...Northeast 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 thunderstorms in the evening. Chance of rain showers through the night. Slight chance of thunderstorms after midnight. Waves 1 foot or less. $$ LSZ143-091600- Silver Bay Harbor to Two Harbors MN- 500 AM CDT Thu Jul 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...Variable winds 10 knots or less becoming southeast 5 knots late in the morning, then becoming east in the afternoon. Patchy dense fog early in the morning. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Patchy fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Chance of thunderstorms in the evening. Chance of rain showers through the night. Slight chance of thunderstorms after midnight. Waves 1 foot or less. $$ LSZ144-091600- Two Harbors to Duluth MN- 500 AM CDT Thu Jul 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...Northeast wind 5 knots becoming southeast late in the morning, then 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. Patchy fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming east 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 thunderstorms in the evening. Chance of rain showers through the night. Slight chance of thunderstorms after midnight. Waves 1 foot or less. $$ LSZ145-091600- Duluth MN to Port Wing WI- 500 AM CDT Thu Jul 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...Northeast wind 5 knots. Patchy fog early in the morning. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Patchy fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots in the late morning and afternoon. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots until early morning becoming variable 10 knots or less. Chance of rain showers in the evening. Slight chance of thunderstorms through the night. Slight chance of rain showers after midnight. Waves 1 foot or less. $$ LSZ146-091600- Port Wing to Sand Island WI- 500 AM CDT Thu Jul 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...Variable winds 10 knots or less becoming northwest 5 knots late in the morning, then becoming northeast in the afternoon. Patchy fog 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 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. $$ LSZ147-091600- Sand Island to Bayfield WI- 500 AM CDT Thu Jul 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...Variable winds 10 knots or less becoming north 5 knots late in the morning, then becoming northeast in the afternoon. Areas of dense fog early in the morning, then patchy fog in the late morning and early afternoon. Waves 1 foot or less. .TONIGHT...East wind 5 knots in the evening becoming variable 10 knots or less. Patchy fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...East wind 5 to 10 knots becoming northeast late in the evening, then becoming variable 10 knots or less after midnight. Slight chance of showers and thunderstorms through the night. Waves 1 foot or less. $$ LSZ150-091600- Outer Apostle Islands Beyond 5 NM from Mainland- 500 AM CDT Thu Jul 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...Variable winds 10 knots or less becoming northeast 5 knots. 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 dense fog through the night. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Patchy fog. 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. Waves 1 foot or less. $$ LSZ121-091600- Chequamegon Bay-Bayfield to Oak Point WI- 500 AM CDT Thu Jul 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING....TODAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Patchy dense fog early in the morning. Waves 1 foot or less. .TONIGHT...Northeast wind 5 knots in the evening becoming variable 10 knots or less. Patchy fog after midnight. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming east 5 to 10 knots in the afternoon. Patchy fog in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Slight chance of showers and thunderstorms in the evening, then chance of showers and thunderstorms after midnight. Waves 1 foot or less. $$ LSZ148-091600- Oak Point to Saxon Harbor WI- 500 AM CDT Thu Jul 9 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 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, 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 dense fog through the night. 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 showers and thunderstorms in the evening, then chance of showers and thunderstorms after midnight. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH