FZUS53 KDLH 152143 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 342 PM CST Sun Feb 15 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. LSZ140-160500- Grand Portage to Grand Marais MN- 342 PM CST Sun Feb 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT... .TONIGHT...Southwest wind 5 to 10 knots becoming west late in the night. Patchy dense fog in the evening. Patchy fog late in the night. Chance of flurries and slight chance of rain in the evening. Slight chance of light freezing rain through the night. Chance of rain and snow after midnight. Waves 1 foot or less. .MONDAY...West wind 5 knots. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...West wind 5 knots becoming north early in the morning. Mostly clear. Waves 1 foot or less. .TUESDAY...Northeast wind 20 to 25 knots with gales to around 35 knots. Partly sunny. Waves 1 foot or less. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ141-160500- Grand Marais to Taconite Harbor MN- 342 PM CST Sun Feb 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT... .TONIGHT...Southwest wind 5 knots becoming west after midnight. Patchy dense fog in the evening. Patchy fog late in the night. Chance of flurries, slight chance of rain and light freezing rain through the night. Waves 1 foot or less. .MONDAY...West wind 5 knots. Sunny. Waves 1 foot or less. .MONDAY NIGHT...West wind 5 knots early in the evening becoming variable 10 knots or less, then becoming northeast 5 knots early in the morning. Mostly clear. Waves 1 foot or less. .TUESDAY...East wind 20 to 25 knots with gales to around 40 knots. Partly sunny. Waves 1 foot or less. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ142-160500- Taconite Harbor to Silver Bay Harbor MN- 342 PM CST Sun Feb 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT... .TONIGHT...South wind 5 knots becoming west after midnight. Chance of flurries, slight chance of rain and light freezing rain through the night. Patchy fog late in the night. Waves 1 foot or less. .MONDAY...Northwest wind 5 knots becoming west in the afternoon. Sunny. Waves 1 foot or less. .MONDAY NIGHT...Variable winds 10 knots or less becoming northeast 5 knots early in the morning. Mostly clear. Waves 1 foot or less. .TUESDAY...Northeast wind 5 knots becoming east 20 to 25 knots with gales to around 40 knots in the late morning and afternoon. Partly sunny. Waves 1 foot or less. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ143-160500- Silver Bay Harbor to Two Harbors MN- 342 PM CST Sun Feb 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT... .TONIGHT...Southwest wind 5 knots becoming northwest late in the night. Chance of flurries until early morning. Chance of sprinkles after midnight. Waves 1 foot or less. .MONDAY...Northwest wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Variable winds 10 knots or less becoming northeast 5 to 10 knots after midnight. Partly cloudy. Waves 1 foot or less. .TUESDAY...Northeast wind up to 30 knots with gales to around 40 knots. Slight chance of rain and snow in the afternoon. Waves 1 foot or less. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ144-160500- Two Harbors to Duluth MN- 342 PM CST Sun Feb 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT... .TONIGHT...Southwest wind 5 knots becoming northwest late in the night. Chance of sprinkles and flurries late in the evening. Waves 1 foot or less. .MONDAY...Northwest wind 5 knots becoming west in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Variable winds 10 knots or less becoming northeast 5 to 10 knots after midnight. Partly cloudy. Waves 1 foot or less. .TUESDAY...Northeast wind up to 30 knots with gales to around 40 knots. Slight chance of rain and snow in the afternoon. Waves 1 to 3 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ145-160500- Duluth MN to Port Wing WI- 342 PM CST Sun Feb 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON... .TONIGHT...Southwest wind 5 knots becoming northwest late in the night. Chance of flurries after midnight. Waves 1 foot or less. .MONDAY...West wind 5 knots. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Variable winds 10 knots or less becoming east 5 to 10 knots after midnight. Partly cloudy. Waves 1 foot or less. .TUESDAY...Northeast wind up to 30 knots with gales to around 40 knots. Slight chance of rain and snow in the afternoon. Waves 1 to 2 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ146-160500- Port Wing to Sand Island WI- 342 PM CST Sun Feb 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON... .TONIGHT...Southwest wind 5 knots. Chance of flurries in the late evening and early morning. Waves 1 foot or less. .MONDAY...West wind 5 knots. Partly sunny in the morning then clearing. Waves 1 foot or less. .MONDAY NIGHT...Variable winds 10 knots or less becoming southeast 5 knots after midnight, then becoming northeast early in the morning. Partly cloudy. Waves 1 foot or less. .TUESDAY...East wind 5 to 10 knots rising to up to 30 knots with gales to around 35 knots in the late morning and afternoon. Slight chance of rain, light freezing rain and snow in the afternoon. Waves 1 foot or less. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ150-160500- Outer Apostle Islands Beyond 5 NM from Mainland- 342 PM CST Sun Feb 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON... .TONIGHT...South wind 5 knots becoming southwest after midnight. Patchy fog through the night. Chance of flurries in the late evening and early morning. Slight chance of light freezing rain after midnight. Waves 1 foot or less. .MONDAY...West wind 5 knots becoming southwest late in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Southwest wind 5 knots early in the evening becoming variable 10 knots or less, then becoming south 5 knots after midnight becoming east. Partly cloudy. Waves 1 foot or less. .TUESDAY...East wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 1 foot or less. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ148-160500- Oak Point to Saxon Harbor WI- 342 PM CST Sun Feb 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON... .TONIGHT...Southwest wind 5 knots. Chance of sprinkles and flurries after midnight. Waves 1 foot or less. .MONDAY...West wind 5 knots becoming southwest late in the afternoon. Mostly sunny. Waves 1 foot or less. .MONDAY NIGHT...Variable winds 10 knots or less becoming south 5 knots after midnight, then becoming east early in the morning. Partly cloudy. Waves 1 foot or less. .TUESDAY...East wind 15 to 20 knots with gusts to around 30 knots. Partly 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