FZUS53 KDLH 150400 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1100 PM CDT Tue Apr 14 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. LSZ140-151000- Grand Portage to Grand Marais MN- 1100 PM CDT Tue Apr 14 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY... .REST OF TONIGHT...North wind 5 knots. Patchy dense fog through the night. Waves 1 foot or less. .WEDNESDAY...East wind 5 knots. Patchy dense fog in the morning. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 knots becoming north early in the morning. Mostly cloudy. Waves 1 foot or less. .THURSDAY...Northeast wind 5 knots becoming east in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ141-151000- Grand Marais to Taconite Harbor MN- 1100 PM CDT Tue Apr 14 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY... .REST OF TONIGHT...Variable winds 10 knots or less. Patchy dense fog. Waves 1 foot or less. .WEDNESDAY...Variable winds 10 knots or less becoming east 5 knots in the afternoon. Patchy dense fog in the morning. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northeast 5 knots early in the morning. Mostly cloudy. Waves 1 foot or less. .THURSDAY...Northeast wind 5 knots becoming east in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-151000- Taconite Harbor to Silver Bay Harbor MN- 1100 PM CDT Tue Apr 14 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY... .REST OF TONIGHT...Variable winds 10 knots or less. Patchy dense fog. Waves 1 foot or less. .WEDNESDAY...Variable winds 10 knots or less. Patchy dense fog in the morning. Waves 1 foot or less. .WEDNESDAY NIGHT...Variable winds 10 knots or less. Mostly cloudy. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming east 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-151000- Silver Bay Harbor to Two Harbors MN- 1100 PM CDT Tue Apr 14 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY... .REST OF TONIGHT...Northeast wind 5 knots late in the evening becoming variable 10 knots or less. Patchy dense fog late in the evening, then areas of dense fog toward daybreak. Waves 1 foot or less. .WEDNESDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Patchy dense fog in the morning. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 knots. Mostly cloudy. Waves 1 foot or less. .THURSDAY...East wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-151000- Two Harbors to Duluth MN- 1100 PM CDT Tue Apr 14 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY... .REST OF TONIGHT...Northeast wind 5 knots. Patchy dense fog late in the evening, then areas of dense fog toward daybreak. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 knots. Patchy dense fog in the morning. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 knots. Mostly cloudy. Waves 1 foot or less. .THURSDAY...East wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-151000- Duluth MN to Port Wing WI- 1100 PM CDT Tue Apr 14 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY... .REST OF TONIGHT...Northeast wind 5 knots. Patchy dense fog late in the evening, then areas of dense fog after midnight. Waves 1 foot or less. .WEDNESDAY...Northeast wind 5 knots. Patchy dense fog in the morning. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-151000- Port Wing to Sand Island WI- 1100 PM CDT Tue Apr 14 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY... .REST OF TONIGHT...Northeast wind 5 knots becoming north after midnight, then becoming variable 10 knots or less toward daybreak. Patchy dense fog late in the evening, then areas of dense fog toward daybreak. Waves 1 foot or less. .WEDNESDAY...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. .WEDNESDAY NIGHT...Northeast wind 5 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots. Partly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-151000- Sand Island to Bayfield WI- 1100 PM CDT Tue Apr 14 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY... .REST OF TONIGHT...Variable winds 10 knots or less. Patchy dense fog late in the evening, then areas of dense fog after midnight. Waves 1 foot or less. .WEDNESDAY...Variable winds 10 knots or less becoming northeast 5 knots in the late morning and afternoon. Areas of dense fog in the morning. Waves 1 foot or less. .WEDNESDAY NIGHT...East wind 5 knots in the evening becoming variable 10 knots or less, then becoming northeast 5 knots early in the morning. Mostly cloudy. Waves 1 foot or less. .THURSDAY...Northeast wind 5 knots. Partly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-151000- Outer Apostle Islands Beyond 5 NM from Mainland- 1100 PM CDT Tue Apr 14 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY... .REST OF TONIGHT...Northeast wind 5 knots becoming north after midnight. Patchy dense fog late in the evening, then areas of dense fog after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 knots. Areas of dense fog in the morning. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 knots. Mostly cloudy. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots. Partly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-151000- Oak Point to Saxon Harbor WI- 1100 PM CDT Tue Apr 14 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT WEDNESDAY... .REST OF TONIGHT...North wind 5 knots late in the evening becoming variable 10 knots or less. Patchy dense fog late in the evening, then areas of dense fog after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 5 knots. Areas of dense fog in the morning. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast wind 5 knots. Slight chance of rain. Waves 1 foot or less. .THURSDAY...Northeast wind 5 knots. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH