497 FZUS53 KDLH 090400 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1100 PM CDT Wed Jul 8 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. LSZ140-091000- Grand Portage to Grand Marais MN- 1100 PM CDT Wed Jul 8 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TONIGHT...West wind 5 knots becoming northwest toward daybreak. Patchy dense fog through the night. Waves 1 foot or less. .THURSDAY...Northwest wind 5 knots becoming southwest in the late morning and afternoon. Patchy fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Southwest wind 5 knots becoming north after midnight. Partly cloudy. Waves 1 foot or less. .FRIDAY...East wind 5 knots becoming southeast in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ141-091000- Grand Marais to Taconite Harbor MN- 1100 PM CDT Wed Jul 8 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TONIGHT...Variable winds 10 knots or less becoming north 5 knots toward daybreak. Patchy dense fog through the night. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less. Patchy dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Variable winds 10 knots or less. Partly cloudy. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming east 5 knots late in the morning, then becoming variable 10 knots or less in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ142-091000- Taconite Harbor to Silver Bay Harbor MN- 1100 PM CDT Wed Jul 8 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TONIGHT...Variable winds 10 knots or less. Patchy dense fog through the night. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less. Patchy dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Variable winds 10 knots or less. Partly cloudy. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less. Mostly sunny. Waves 1 foot or less. $$ LSZ143-091000- Silver Bay Harbor to Two Harbors MN- 1100 PM CDT Wed Jul 8 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TONIGHT...Variable winds 10 knots or less. Patchy dense fog through the night. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less. Patchy dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Variable winds 10 knots or less. Partly cloudy. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ144-091000- Two Harbors to Duluth MN- 1100 PM CDT Wed Jul 8 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TONIGHT...Variable winds 10 knots or less becoming north 5 knots toward daybreak. Patchy dense fog after midnight. Waves 1 foot or less. .THURSDAY...Northeast wind 5 knots becoming east in the late morning and afternoon. Patchy dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. 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. $$ LSZ145-091000- Duluth MN to Port Wing WI- 1100 PM CDT Wed Jul 8 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TONIGHT...Variable winds 10 knots or less becoming northwest 5 knots toward daybreak. Patchy dense fog after midnight. Waves 1 foot or less. .THURSDAY...Northeast wind 5 knots. Patchy dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ146-091000- Port Wing to Sand Island WI- 1100 PM CDT Wed Jul 8 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TONIGHT...Variable winds 10 knots or less. Patchy dense fog late in the evening. Areas of dense fog toward daybreak. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less. Areas of dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Variable winds 10 knots or less. Partly cloudy. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Partly sunny in the morning then clearing. Waves 1 foot or less. $$ LSZ147-091000- Sand Island to Bayfield WI- 1100 PM CDT Wed Jul 8 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TONIGHT...Variable winds 10 knots or less. Patchy dense fog late in the evening, then areas of dense fog toward daybreak. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming northeast 5 knots late in the afternoon. Areas of dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Variable winds 10 knots or less. Partly cloudy. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ150-091000- Outer Apostle Islands Beyond 5 NM from Mainland- 1100 PM CDT Wed Jul 8 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TONIGHT...Variable winds 10 knots or less. Areas of dense fog late in the evening, then widespread dense fog toward daybreak. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Patchy dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Variable winds 10 knots or less becoming east 5 knots after midnight, then becoming variable 10 knots or less early in the morning. Patchy fog. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ121-091000- Chequamegon Bay-Bayfield to Oak Point WI- 1100 PM CDT Wed Jul 8 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TONIGHT...Variable winds 10 knots or less. Patchy dense fog late in the evening. Areas of dense fog toward daybreak. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Areas of dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .FRIDAY...Variable winds 10 knots or less becoming northeast 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less. $$ LSZ148-091000- Oak Point to Saxon Harbor WI- 1100 PM CDT Wed Jul 8 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... .REST OF TONIGHT...Variable winds 10 knots or less. Patchy dense fog late in the evening, then areas of dense fog after midnight. Widespread dense fog toward daybreak. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Patchy dense fog in the morning. Waves 1 foot or less. .THURSDAY NIGHT...Variable winds 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.Mostly sunny. Waves 1 foot or less. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  171 FZUS53 KMKX 090410 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 1110 PM CDT Wed Jul 8 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-091000- Sheboygan to Port Washington WI- 1110 PM CDT Wed Jul 8 2026 .REST OF TONIGHT...South wind 5 to 10 knots. Patchy fog. showers likely and a chance of thunderstorms. Waves around 1 foot. .THURSDAY...South wind 5 to 10 knots backing northeast late in the afternoon. Patchy fog in the morning. chance of showers and slight chance of thunderstorms through the day. Waves around 1 foot. .THURSDAY NIGHT...Northeast wind 5 to 10 knots backing north in the late evening and overnight. Mostly cloudy through around midnight then becoming partly cloudy. Waves around 1 foot. .FRIDAY...North wind 10 to 15 knots veering northeast late in the morning, then easing to 5 to 10 knots early in the afternoon becoming northeast 5 to 10 knots late in the afternoon. Mostly sunny. Waves around 1 foot. $$ LMZ644-091000- Port Washington to North Point Light WI- 1110 PM CDT Wed Jul 8 2026 .REST OF TONIGHT...South wind 5 to 10 knots. Chance of showers and thunderstorms through the night. patchy fog early in the morning. Waves around 1 foot. .THURSDAY...Southwest wind 5 to 10 knots backing east late in the afternoon. Patchy fog in the morning. chance of showers and thunderstorms through the day. Waves around 1 foot. .THURSDAY NIGHT...Northeast wind 5 to 10 knots backing north after midnight. Chance of showers and thunderstorms through around midnight. Waves around 1 foot. .FRIDAY...North wind 10 to 15 knots veering northeast late in the morning, then easing to 5 to 10 knots early in the afternoon becoming northeast 5 to 10 knots late in the afternoon. Partly sunny. Waves 1 to 2 feet. $$ LMZ645-091000- North Point Light to Wind Point WI- 1110 PM CDT Wed Jul 8 2026 .REST OF TONIGHT...Southwest wind 5 to 10 knots backing south early in the morning. Chance of showers and slight chance of thunderstorms. Waves around 1 foot. .THURSDAY...Southwest wind 5 to 10 knots backing east late in the afternoon. Slight chance of thunderstorms in the morning. Chance of showers through the day. Chance of thunderstorms in the afternoon. Waves around 1 foot. .THURSDAY NIGHT...Northeast wind 5 to 10 knots backing north after midnight. Chance of showers and thunderstorms through around midnight. Waves around 1 foot. .FRIDAY...North wind 10 to 15 knots veering northeast in the afternoon. Partly sunny. Waves 1 to 2 feet. $$ LMZ646-091000- Wind Point WI to Winthrop Harbor IL- 1110 PM CDT Wed Jul 8 2026 .REST OF TONIGHT...Southwest wind 5 to 10 knots. Slight chance of showers and thunderstorms early in the morning. Waves around 1 foot. .THURSDAY...Southwest wind 5 to 10 knots backing south early in the afternoon, then backing southeast late in the afternoon. Chance of showers and slight chance of thunderstorms in the morning, then showers likely and a chance of thunderstorms in the afternoon. Waves nearly calm. .THURSDAY NIGHT...Northeast wind 5 to 10 knots backing north after midnight. Chance of showers and thunderstorms through around midnight. Waves around 1 foot. .FRIDAY...North wind 10 to 15 knots becoming northeast 5 to 10 knots early in the afternoon, then becoming north 10 to 15 knots late in the afternoon. Partly sunny. Waves 1 to 2 feet. $$ See Lake Michigan Open Waters Forecast for Saturday through Monday.