FZUS53 KDLH 162200 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 500 PM 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. LSZ140-170400- Grand Portage to Grand Marais MN- 500 PM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TONIGHT...North 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...Northeast wind up to 30 knots with gales to around 35 knots. Chance of rain showers in the afternoon. Waves 1 to 2 feet building to 4 to 7 feet. Waves occasionally to 9 feet. A gale warning may be needed. .SUNDAY NIGHT...Northeast wind up to 30 knots. Gusts up to 35 knots decreasing to 30 knots early in the morning. Rain showers and chance of thunderstorms. Waves 4 to 7 feet. Waves occasionally to 9 feet. A gale warning may be needed. .MONDAY...Northeast wind 15 to 20 knots. Gusts up to 25 knots until late afternoon. Rain showers and slight chance of thunderstorms in the morning, then slight chance of rain showers in the afternoon. Waves 3 to 5 feet. A small craft advisory may be needed. $$ LSZ141-170400- Grand Marais to Taconite Harbor MN- 500 PM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TONIGHT...Northwest wind 5 to 10 knots with gusts to around 20 knots becoming northeast after midnight. Mostly clear. Waves 1 to 2 feet. .SUNDAY...East wind up to 30 knots with gales to around 35 knots. Chance of rain showers in the afternoon. Waves 1 to 2 feet building to 5 to 8 feet. Waves occasionally to 11 feet. A gale warning may be needed. .SUNDAY NIGHT...Northeast wind up to 30 knots with gales to around 35 knots easing to 15 to 20 knots with gusts to around 30 knots early in the morning. Rain showers and chance of thunderstorms. Waves 5 to 8 feet subsiding to 4 to 6 feet early in the morning. Waves occasionally to 11 feet. A gale warning may be needed. .MONDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Rain showers in the morning, then chance of rain showers in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. A small craft advisory may be needed. $$ LSZ142-170400- Taconite Harbor to Silver Bay Harbor MN- 500 PM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TONIGHT...North wind 5 to 10 knots with gusts to around 20 knots becoming northeast after midnight. Mostly clear. Waves 1 foot or less. .SUNDAY...Northeast wind up to 30 knots with gales to around 35 knots. Chance of rain showers 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...Northeast wind up to 30 knots with gales to around 35 knots easing to 10 to 15 knots with gusts to around 25 knots early in the morning. Rain showers and chance of thunderstorms. Waves 7 to 10 feet subsiding to 4 to 7 feet early in the morning. Waves occasionally to 13 feet. A gale warning may be needed. .MONDAY...Northeast wind 5 to 10 knots. Rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. $$ LSZ143-170400- Silver Bay Harbor to Two Harbors MN- 500 PM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TONIGHT...North wind 5 to 10 knots becoming northeast 10 to 15 knots with gusts to around 20 knots after midnight. Mostly clear. Waves 1 to 2 feet. .SUNDAY...Northeast wind up to 30 knots with gales to around 35 knots. Chance of rain showers in the afternoon. Waves 3 to 5 feet building to 7 to 10 feet in the afternoon. Waves occasionally to 12 feet. A gale warning may be needed. .SUNDAY NIGHT...Northeast wind up to 30 knots with gales to around 40 knots easing to 15 to 20 knots with gusts to around 25 knots early in the morning. Rain showers and chance of thunderstorms. Waves 7 to 10 feet subsiding to 4 to 7 feet early in the morning. Waves occasionally to 13 feet. A gale warning may be needed. .MONDAY...Northeast wind 5 to 10 knots. Rain showers in the morning. Slight chance of thunderstorms through the day. Rain showers likely in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. $$ LSZ144-170400- Two Harbors to Duluth MN- 500 PM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TONIGHT...Northwest wind 10 to 15 knots becoming northeast 15 to 20 knots with gusts to around 25 knots late in the night. Mostly clear. Waves 1 foot or less building to 1 to 3 feet late in the night. .SUNDAY...Northeast wind up to 30 knots with gales to around 35 knots rising to gales to 35 knots with gales to around 40 knots late in the afternoon. Chance of rain showers and slight chance of thunderstorms 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 gales to 35 knots with gales to around 40 knots easing to 15 to 20 knots with gusts to around 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. .MONDAY...Northeast wind 5 to 10 knots. Rain showers in the morning. Slight chance of thunderstorms through the day. Rain showers likely in the afternoon. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the afternoon. A small craft advisory may be needed. $$ LSZ145-170400- Duluth MN to Port Wing WI- 500 PM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TONIGHT...Northwest wind 10 to 15 knots becoming northeast 15 to 20 knots with gusts to around 25 knots late in the night. Mostly clear. Waves 1 to 2 feet building to 1 to 3 feet late in the night. .SUNDAY...Northeast wind up to 30 knots. Gusts up to 35 knots increasing to 40 knots late in the afternoon. Chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 7 to 10 feet. Waves occasionally to 13 feet. A gale warning may be needed. .SUNDAY NIGHT...Northeast wind up to 30 knots with gales to around 40 knots easing to 15 to 20 knots early in the morning. Rain showers and chance of thunderstorms. Waves 8 to 11 feet subsiding to 4 to 6 feet early in the morning. Waves occasionally to 14 feet. A gale warning may be needed. .MONDAY...Northeast wind 5 to 10 knots. Rain showers likely and slight chance of thunderstorms. Waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon. A small craft advisory may be needed. $$ LSZ146-170400- Port Wing to Sand Island WI- 500 PM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TONIGHT...Northwest wind 5 to 10 knots becoming east 10 to 15 knots with gusts to around 20 knots late in the night. Mostly clear. Waves 1 to 2 feet. .SUNDAY...Northeast wind 20 to 25 knots. Gusts up to 25 knots increasing to 35 knots. Chance of rain showers in the afternoon. Waves 4 to 6 feet building to 5 to 8 feet late in the afternoon. Waves occasionally to 11 feet. A gale warning may be needed. .SUNDAY NIGHT...Northeast wind up to 30 knots with gales to around 35 knots easing to 15 to 20 knots with gusts to around 25 knots after midnight. Rain showers and chance of thunderstorms. Waves 6 to 9 feet subsiding to 4 to 6 feet early in the morning. Waves occasionally to 12 feet. A gale warning may be needed. .MONDAY...Northeast wind 5 to 10 knots. Rain showers in the morning. Slight chance of thunderstorms through the day. Rain showers likely in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon. A small craft advisory may be needed. $$ LSZ147-170400- Sand Island to Bayfield WI- 500 PM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TONIGHT...North wind 5 to 10 knots becoming northeast with gusts to around 20 knots after midnight. Mostly clear. Waves 1 to 2 feet. .SUNDAY...East wind 10 to 15 knots with gusts to around 25 knots becoming northeast up to 30 knots with gales to around 35 knots in the afternoon. Chance of rain showers in the afternoon. Waves 1 to 2 feet building to 5 to 8 feet. Waves occasionally to 11 feet. A gale warning may be needed. .SUNDAY NIGHT...Northeast wind 20 to 25 knots with gusts to around 30 knots easing to 5 to 10 knots early in the morning. Rain showers and chance of thunderstorms. Waves 5 to 8 feet subsiding to 4 to 6 feet early in the morning. Waves occasionally to 11 feet. A small craft advisory may be needed. .MONDAY...Northeast wind 5 to 10 knots. Rain showers in the morning. Slight chance of thunderstorms through the day. Chance of rain showers in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon. A small craft advisory may be needed. $$ LSZ150-170400- Outer Apostle Islands Beyond 5 NM from Mainland- 500 PM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TONIGHT...North wind 5 to 10 knots becoming northeast 10 to 15 knots with gusts to around 20 knots after midnight. Mostly clear. Waves 1 to 2 feet. .SUNDAY...Northeast wind up to 30 knots with gales to around 35 knots. Chance of rain showers in the afternoon. Waves 1 to 3 feet building to 6 to 9 feet. Waves occasionally to 12 feet. A gale warning may be needed. .SUNDAY NIGHT...Northeast wind up to 30 knots with gales to around 35 knots easing to 15 to 20 knots with gusts to around 30 knots after midnight. Rain showers and chance of thunderstorms. Waves 7 to 10 feet subsiding to 4 to 7 feet early in the morning. Waves occasionally to 13 feet. A gale warning may be needed. .MONDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Rain showers in the morning. Slight chance of thunderstorms through the day. Chance of rain showers in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. $$ LSZ121-170400- Chequamegon Bay-Bayfield to Oak Point WI- 500 PM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TONIGHT...North wind 5 to 10 knots becoming northeast in the late evening and overnight. Mostly clear. Waves 1 foot or less. .SUNDAY...Northeast wind 15 to 20 knots. Gusts up to 20 knots increasing to 30 knots. Chance of rain showers in the afternoon. Waves 1 to 2 feet building to 1 to 3 feet in the afternoon. .SUNDAY NIGHT...Northeast wind 15 to 20 knots with gusts to around 30 knots easing to 5 to 10 knots early in the morning. Rain showers and chance of thunderstorms. Waves 1 to 3 feet. .MONDAY...Northeast wind 5 to 10 knots. Slight chance of thunderstorms in the morning. Rain showers through the day. Chance of thunderstorms in the afternoon. Waves 1 foot or less. $$ LSZ148-170400- Oak Point to Saxon Harbor WI- 500 PM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... .TONIGHT...North wind 5 to 10 knots becoming northeast 10 to 15 knots after midnight. Mostly clear. Waves 1 to 2 feet. .SUNDAY...Northeast wind 20 to 25 knots with gusts to around 30 knots. 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...Northeast wind 20 to 25 knots with gusts to around 30 knots easing to 10 to 15 knots with gusts to around 20 knots after midnight. Chance of rain showers in the evening. Chance of thunderstorms through the night. Rain showers after midnight. 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. .MONDAY...North wind 5 to 10 knots becoming northeast late in the afternoon. Slight chance of thunderstorms in the morning. Rain showers through the day. Chance of thunderstorms in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH