FZUS53 KDLH 161345 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 845 AM CDT Sat May 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. LSZ140-162200- Grand Portage to Grand Marais MN- 845 AM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...West wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Sunny. Waves 1 to 3 feet. .TONIGHT...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming northeast 5 to 10 knots after midnight. Mostly clear. Waves 1 to 2 feet. .SUNDAY...East wind 20 to 25 knots with gales to around 35 knots. Chance of rain showers in the afternoon. Waves 1 to 2 feet building to 5 to 8 feet. Waves occasionally to 10 feet. A gale warning may be needed. .SUNDAY NIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 25 knots. Rain showers and chance of thunderstorms. Waves 5 to 8 feet. Waves occasionally to 10 feet. A gale warning may be needed. $$ LSZ141-162200- Grand Marais to Taconite Harbor MN- 845 AM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...West wind 10 knots with gusts to around 20 knots rising to 10 to 15 knots with gusts to around 25 knots in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming east early in the morning. Mostly clear. Waves 1 to 2 feet. .SUNDAY...East wind 20 to 25 knots with gales to around 35 knots. Rain showers likely in the afternoon. Waves 1 to 2 feet building to 6 to 9 feet. Waves occasionally to 12 feet. A gale warning may be needed. .SUNDAY NIGHT...East wind 20 to 25 knots. Gusts up to 35 knots decreasing to 25 knots. Rain showers and chance of thunderstorms. Waves 7 to 10 feet subsiding to 4 to 7 feet early in the morning. Waves occasionally to 12 feet. A gale warning may be needed. $$ LSZ142-162200- Taconite Harbor to Silver Bay Harbor MN- 845 AM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...West wind 10 knots with gusts to around 20 knots rising to 10 to 15 knots with gusts to around 25 knots in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming east early in the morning. Mostly clear. Waves 1 foot or less. .SUNDAY...Northeast wind 20 to 25 knots with gales to around 35 knots. Rain showers likely in the afternoon. Waves 1 to 2 feet building to 7 to 10 feet. Waves occasionally to 13 feet. A gale warning may be needed. .SUNDAY NIGHT...Northeast wind 20 to 25 knots with gales to around 35 knots becoming east 10 to 15 knots with gusts to around 20 knots early in the morning. Rain showers and chance of thunderstorms. Waves 8 to 11 feet subsiding to 4 to 7 feet early in the morning. Waves occasionally to 14 feet. A gale warning may be needed. $$ LSZ143-162200- Silver Bay Harbor to Two Harbors MN- 845 AM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...West wind 10 to 15 knots. Gusts up to 25 knots in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...Northwest wind 5 to 10 knots becoming northeast 10 to 15 knots with gusts to around 20 knots early in the morning. Mostly clear. Waves 1 to 2 feet. .SUNDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots increasing to 35 knots. Rain showers likely in the afternoon. Waves 1 to 3 feet building to 7 to 10 feet. Waves occasionally to 13 feet. A gale warning may be needed. .SUNDAY NIGHT...Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 25 knots. Rain showers and chance of thunderstorms. Waves 8 to 11 feet subsiding to 4 to 7 feet early in the morning. Waves occasionally to 14 feet. A gale warning may be needed. $$ LSZ144-162200- Two Harbors to Duluth MN- 845 AM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...West wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...Northwest wind 10 to 15 knots becoming northeast with gusts to around 25 knots after midnight. Mostly clear. Waves 1 to 3 feet. .SUNDAY...Northeast wind up to 30 knots with gales to around 35 knots. Slight chance of rain showers in the morning, then rain showers likely in the afternoon. Waves 5 to 8 feet building to 7 to 10 feet late in the afternoon. Waves occasionally to 13 feet. A gale warning may be needed. .SUNDAY NIGHT...Northeast wind up to 30 knots with gales to around 35 knots becoming east 15 to 20 knots early in the morning. Rain showers and chance of thunderstorms. Waves 8 to 11 feet subsiding to 4 to 7 feet early in the morning. Waves occasionally to 14 feet. A gale warning may be needed. $$ LSZ145-162200- Duluth MN to Port Wing WI- 845 AM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...West wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Sunny. Waves 1 to 3 feet. .TONIGHT...Northwest wind 10 to 15 knots becoming northeast with gusts to around 20 knots after midnight. Clear in the evening then becoming partly cloudy. Waves 1 to 2 feet building to 1 to 3 feet early in the morning. .SUNDAY...Northeast wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots in the afternoon. Slight chance of rain showers in the morning, then rain showers likely in the afternoon. Waves 7 to 10 feet. Waves occasionally to 13 feet. A gale warning may be needed. .SUNDAY NIGHT...Northeast wind up to 30 knots with gales to around 35 knots easing to 10 to 15 knots with gusts to around 20 knots early in the morning. Rain showers and chance of thunderstorms. Waves 8 to 11 feet subsiding to 4 to 7 feet early in the morning. Waves occasionally to 14 feet. A gale warning may be needed. $$ LSZ146-162200- Port Wing to Sand Island WI- 845 AM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...West wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Sunny. Waves 1 to 3 feet. .TONIGHT...Northwest wind 5 to 10 knots becoming east 10 to 15 knots with gusts to around 20 knots after midnight. Mostly clear. Waves 1 to 2 feet. .SUNDAY...Northeast wind 20 to 25 knots with gusts to around 30 knots. Rain showers likely in the afternoon. Waves 1 to 3 feet building to 6 to 9 feet. Waves occasionally to 12 feet. A small craft advisory may be needed. .SUNDAY NIGHT...Northeast wind 20 to 25 knots with gusts to around 30 knots becoming north 10 to 15 knots with gusts to around 20 knots early in the morning. Rain showers and chance of thunderstorms. Waves 7 to 10 feet subsiding to 4 to 6 feet early in the morning. Waves occasionally to 13 feet. A small craft advisory may be needed. $$ LSZ147-162200- Sand Island to Bayfield WI- 845 AM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...West wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...North wind 5 to 10 knots becoming east 10 to 15 knots with gusts to around 20 knots after midnight. Mostly clear. Waves 1 to 2 feet. .SUNDAY...East wind 20 to 25 knots with gales to around 35 knots. Rain showers likely in the afternoon. Waves 1 to 2 feet building to 6 to 9 feet. Waves occasionally to 12 feet. A gale warning may be needed. .SUNDAY NIGHT...East wind 20 to 25 knots with gales to around 35 knots becoming west 5 to 10 knots with gusts to around 20 knots early in the morning. Rain showers and chance of thunderstorms. Waves 7 to 10 feet subsiding to 4 to 7 feet after midnight. Waves occasionally to 13 feet. A gale warning may be needed. $$ LSZ150-162200- Outer Apostle Islands Beyond 5 NM from Mainland- 845 AM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...West wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Sunny. Waves 1 to 3 feet. .TONIGHT...North wind 5 to 10 knots becoming east 10 to 15 knots with gusts to around 20 knots after midnight. Mostly clear. Waves 1 to 2 feet. .SUNDAY...East wind 20 to 25 knots with gales to around 35 knots. Rain showers likely in the afternoon. Waves 1 to 3 feet building to 7 to 10 feet. Waves occasionally to 14 feet. A gale warning may be needed. .SUNDAY NIGHT...East wind 20 to 25 knots with gales to around 35 knots becoming southeast 10 to 15 knots with gusts to around 20 knots early in the morning. Rain showers and chance of thunderstorms. Waves 8 to 11 feet subsiding to 6 to 9 feet after midnight. Waves occasionally to 14 feet. A gale warning may be needed. $$ LSZ121-162200- Chequamegon Bay-Bayfield to Oak Point WI- 845 AM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...West wind 10 to 15 knots. Gusts up to 25 knots in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .TONIGHT...North wind 5 to 10 knots becoming northeast early in the morning. Mostly clear. Waves 1 foot or less. .SUNDAY...Northeast wind 15 to 20 knots. Gusts up to 20 knots increasing to 30 knots. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Waves 1 to 3 feet. .SUNDAY NIGHT...East wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots after midnight, then becoming southwest early in the morning. Rain showers and chance of thunderstorms. Waves 1 to 3 feet subsiding to 1 to 2 feet early in the morning. $$ LSZ148-162200- Oak Point to Saxon Harbor WI- 845 AM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .REST OF TODAY...West wind 10 to 15 knots with gusts to around 25 knots becoming northwest with gusts to around 25 knots late. Sunny. Waves 1 to 2 feet. .TONIGHT...North wind 5 to 10 knots becoming northeast with gusts to around 20 knots in the late evening and overnight. Mostly clear. Waves 1 to 2 feet. .SUNDAY...Northeast wind 15 to 20 knots. Gusts up to 20 knots increasing to 30 knots. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. Waves 1 to 2 feet building to 4 to 7 feet in the late morning and afternoon. Waves occasionally to 9 feet. A small craft advisory may be needed. .SUNDAY NIGHT...East wind 15 to 20 knots with gusts to around 30 knots becoming south 5 to 10 knots early in the morning. Rain showers and chance of thunderstorms. Waves 4 to 7 feet subsiding to 2 to 4 feet early in the morning. Waves occasionally to 9 feet. A small craft advisory may be needed. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH