FZUS53 KDLH 161237 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 637 AM CST Mon Feb 16 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. LSZ140-161700- Grand Portage to Grand Marais MN- 637 AM CST Mon Feb 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING... ...STORM WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING... .TODAY...Southwest wind 5 knots becoming northwest late in the morning, then becoming west in the afternoon. Chance of light freezing rain and flurries early in the morning. Waves 1 foot or less. .TONIGHT...West wind 5 to 10 knots becoming northeast early in the morning. Partly cloudy. 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. .TUESDAY NIGHT...Northeast wind up to 30 knots with storm force gusts to around 50 knots becoming east gales to 35 knots with storm force gusts to around 50 knots after midnight. Chance of snow and slight chance of light freezing rain in the evening, then snow likely after midnight. Waves 1 foot or less. A storm warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ141-161700- Grand Marais to Taconite Harbor MN- 637 AM CST Mon Feb 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING... ...STORM WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING... .TODAY...Northwest wind 5 knots becoming west in the afternoon. Slight chance of rain and light freezing rain early in the morning. Waves 1 foot or less. .TONIGHT...West wind 5 knots in the evening becoming variable 10 knots or less, then becoming northeast 5 knots early in the morning. Mostly clear. Waves 1 foot or less. .TUESDAY...East wind 20 to 25 knots with gales to around 40 knots. Partly sunny. Waves 1 foot or less. A gale warning may be needed. .TUESDAY NIGHT...East wind up to 30 knots with storm force gusts to around 50 knots rising to gales to 35 knots with storm force gusts to around 50 knots after midnight. Snow likely and slight chance of light freezing rain in the evening, then snow after midnight. Waves 1 foot or less. A storm warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ142-161700- Taconite Harbor to Silver Bay Harbor MN- 637 AM CST Mon Feb 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT... .TODAY...Northwest wind 5 knots becoming southwest in the afternoon. Partly sunny early in the morning then clearing. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less becoming northeast 5 knots early in the morning. Mostly clear. Waves 1 foot or less. .TUESDAY...Northeast wind 10 to 15 knots with gusts to around 25 knots rising to 20 to 25 knots with gales to around 45 knots in the afternoon. Partly sunny. Waves 1 to 2 feet. A gale warning may be needed. .TUESDAY NIGHT...East wind up to 30 knots rising to gales to 35 knots after midnight. Storm force gusts up to 50 knots. Snow likely and slight chance of freezing rain in the evening, then snow after midnight. Waves 1 to 3 feet building to 2 to 4 feet in the late evening and overnight. A storm warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ143-161700- Silver Bay Harbor to Two Harbors MN- 637 AM CST Mon Feb 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT... .TODAY...West wind 5 knots. Mostly sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less becoming northeast 5 knots after midnight. Partly cloudy. Waves 1 foot or less. .TUESDAY...Northeast wind up to 30 knots with gales to around 40 knots. Slight chance of light freezing rain and snow in the afternoon. Waves 1 to 3 feet building to 4 to 7 feet in the afternoon. Waves occasionally to 9 feet. A gale warning may be needed. .TUESDAY NIGHT...East gales to 40 knots with storm force gusts to around 50 knots. Rain and slight chance of freezing rain in the evening. Snow through the night. Waves 7 to 10 feet. Waves occasionally to 13 feet. A storm warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ144-161700- Two Harbors to Duluth MN- 637 AM CST Mon Feb 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT... .TODAY...Northwest wind 5 knots becoming southwest in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less becoming northeast 5 to 10 knots after midnight. Mostly clear in the evening then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...Northeast wind 20 to 25 knots with gusts to around 30 knots rising to gales to 35 knots with gales to around 40 knots late in the afternoon. Slight chance of rain, light freezing rain and snow in the afternoon. Waves 1 to 2 feet building to 6 to 9 feet. Waves occasionally to 11 feet. A gale warning may be needed. .TUESDAY NIGHT...East gales to 40 knots with storm force gusts to around 50 knots. Rain, freezing rain and slight chance of light sleet in the evening. Snow through the night. Slight chance of rain after midnight. Waves 8 to 11 feet. Waves occasionally to 14 feet. A storm warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ145-161700- Duluth MN to Port Wing WI- 637 AM CST Mon Feb 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON... .TODAY...West wind 5 knots becoming southwest late in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less becoming east 5 to 10 knots after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...Northeast wind up to 30 knots with gales to around 40 knots. Slight chance of rain, chance of light freezing rain and slight chance of snow in the afternoon. Waves 1 to 2 feet building to 6 to 9 feet. Waves occasionally to 11 feet. A gale warning may be needed. .TUESDAY NIGHT...Northeast gales to 40 knots with gales to around 45 knots. Rain and slight chance of light sleet in the evening. Snow through the night. Slight chance of rain after midnight. Waves 8 to 11 feet. Waves occasionally to 14 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ146-161700- Port Wing to Sand Island WI- 637 AM CST Mon Feb 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING... ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON... .TODAY...Southwest wind 5 knots becoming west in the late morning and early afternoon, then becoming southwest late in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less becoming southeast 5 knots after midnight, then becoming east early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...Northeast 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 and snow in the afternoon. Waves 1 to 2 feet. A gale warning may be needed. .TUESDAY NIGHT...East gales to 35 knots. Gales up to 40 knots increasing to 45 knots after midnight. Rain in the evening. Snow through the night. Waves 1 to 2 feet. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ150-161700- Outer Apostle Islands Beyond 5 NM from Mainland- 637 AM CST Mon Feb 16 2026 ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON... .TODAY...Northwest wind 5 knots becoming west in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...Southwest wind 5 knots early in the evening becoming variable 10 knots or less, then becoming south 5 knots after midnight becoming east. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...East wind 20 to 25 knots with gales to around 35 knots. Mostly cloudy. Waves 1 foot or less. A gale warning may be needed. .TUESDAY NIGHT...East wind up to 30 knots with gales to around 40 knots rising to gales to 35 knots with gales to around 45 knots after midnight. Snow likely in the evening. Rain through the night. Snow after midnight. Waves 1 foot or less. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ148-161700- Oak Point to Saxon Harbor WI- 637 AM CST Mon Feb 16 2026 ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON... .TODAY...Northwest wind 5 knots becoming southwest late in the afternoon. Mostly sunny. Waves 1 foot or less. .TONIGHT...Variable winds 10 knots or less becoming south 5 knots after midnight, then becoming east early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .TUESDAY...East wind 15 to 20 knots with gusts to around 30 knots. Mostly cloudy. Waves 1 foot or less. .TUESDAY NIGHT...East wind 20 to 25 knots. Gusts up to 35 knots increasing to 40 knots after midnight, then decreasing to 35 knots early in the morning. Rain and snow. Waves 1 foot or less. A gale warning may be needed. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH