


Nearshore Marine Forecast
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
747 FZUS53 KDLH 150301 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1001 PM CDT Mon Jul 14 2025 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. LSZ140-141-151015- Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 1001 PM CDT Mon Jul 14 2025 .REST OF TONIGHT...Northeast wind 5 to 10 knots. Areas of smoke through the night. Slight chance of rain showers late in the evening. Chance of showers and thunderstorms after midnight. Waves 1 foot or less. .TUESDAY...East wind 5 to 10 knots becoming northwest early in the afternoon, then becoming north late in the afternoon. Areas of smoke through the day. Chance of showers and thunderstorms in the morning. Rain showers and thunderstorms likely in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots after midnight. Showers and thunderstorms likely in the evening, then chance of rain showers after midnight. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Chance of rain showers. Waves 1 to 2 feet. $$ LSZ142-143-151015- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN- 1001 PM CDT Mon Jul 14 2025 .REST OF TONIGHT...Northeast wind 5 to 10 knots. Areas of smoke through the night. Slight chance of rain showers in the late evening and early morning. Slight chance of thunderstorms after midnight, then chance of showers and thunderstorms toward daybreak. Waves 1 foot or less. .TUESDAY...Northeast wind 5 to 10 knots. Areas of smoke through the day. Chance of thunderstorms in the morning. Chance of rain showers through the day. Thunderstorms likely in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots. Thunderstorms likely in the evening. Rain showers likely through the night. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Rain showers likely in the morning, then chance of rain showers in the afternoon. Waves 2 to 4 feet. $$ LSZ144-145-151015- Two Harbors to Duluth MN-Duluth MN to Port Wing WI- 1001 PM CDT Mon Jul 14 2025 .REST OF TONIGHT...Northeast wind 5 to 10 knots. Areas of smoke through the night. Slight chance of showers through the night. Slight chance of thunderstorms after midnight. Waves 1 foot or less. .TUESDAY...Northeast wind 5 to 10 knots. Areas of smoke through the day. Chance of showers and thunderstorms in the morning. Showers and thunderstorms likely in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 15 to 20 knots. Areas of smoke in the evening. Thunderstorms likely in the evening. Rain showers likely through the night. Slight chance of thunderstorms after midnight. Waves 1 to 3 feet. .WEDNESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Rain showers likely in the morning. Slight chance of thunderstorms through the day. Chance of rain showers in the afternoon. Waves 2 to 4 feet. A small craft advisory may be needed. $$ LSZ146-151015- Port Wing to Sand Island WI- 1001 PM CDT Mon Jul 14 2025 .REST OF TONIGHT...East wind 5 to 10 knots becoming northeast toward daybreak. Areas of smoke through the night. Slight chance of showers through the night. Slight chance of thunderstorms after midnight. Waves 1 foot or less. .TUESDAY...East wind 5 to 10 knots becoming northeast in the afternoon. Areas of smoke through the day. Chance of showers and thunderstorms in the morning. Rain showers and thunderstorms likely in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots after midnight. Areas of smoke in the evening. Thunderstorms likely in the evening. Rain showers likely through the night. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 10 to 15 knots with gusts to around 25 knots. Rain showers likely and slight chance of thunderstorms. Waves 2 to 4 feet. $$ LSZ147-151015- Sand Island to Bayfield WI- 1001 PM CDT Mon Jul 14 2025 .REST OF TONIGHT...East wind 5 to 10 knots. Areas of smoke through the night. Slight chance of showers through the night. Slight chance of thunderstorms after midnight. Waves 1 foot or less. .TUESDAY...East wind 5 knots becoming north in the afternoon. Areas of smoke through the day. Chance of showers and thunderstorms in the morning. Showers and thunderstorms likely in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots. Areas of smoke in the evening. Thunderstorms likely in the evening. Rain showers likely through the night. Waves 1 to 2 feet. .WEDNESDAY...Northeast wind 10 to 15 knots with gusts to around 25 knots. Rain showers likely and slight chance of thunderstorms. Waves 2 to 4 feet. $$ LSZ150-151015- Outer Apostle Islands Beyond 5 NM from Mainland- 1001 PM CDT Mon Jul 14 2025 .REST OF TONIGHT...East wind 5 to 10 knots becoming southeast toward daybreak. Areas of smoke through the night. Slight chance of showers through the night. Slight chance of thunderstorms after midnight. Waves 1 foot or less. .TUESDAY...Southeast wind 5 to 10 knots becoming north early in the afternoon, then becoming northeast late in the afternoon. Areas of smoke through the day. Chance of showers and thunderstorms in the morning. Showers and thunderstorms likely in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Areas of smoke in the evening. Thunderstorms likely in the evening. Rain showers likely through the night. Waves 1 to 3 feet. .WEDNESDAY...Northeast wind 5 to 15 knots rising to 15 to 20 knots in the late morning and afternoon. Gusts up to 25 knots. Rain showers likely and slight chance of thunderstorms. Waves 3 to 5 feet. A small craft advisory may be needed. $$ LSZ121-151015- Chequamegon Bay-Bayfield to Oak Point WI- 1001 PM CDT Mon Jul 14 2025 .REST OF TONIGHT...Northeast wind 5 knots becoming south toward daybreak. Areas of smoke. Slight chance of showers and thunderstorms. Waves 1 foot or less. .TUESDAY...Southwest wind 5 to 10 knots becoming east in the afternoon. Chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Areas of smoke in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots after midnight. Areas of smoke in the evening. Thunderstorms likely in the evening. Rain showers likely through the night. Slight chance of thunderstorms after midnight. Waves 1 foot or less. .WEDNESDAY...Northeast wind 10 to 15 knots with gusts to around 25 knots. Rain showers likely and slight chance of thunderstorms. Waves 1 to 2 feet. $$ LSZ148-151015- Oak Point to Saxon Harbor WI- 1001 PM CDT Mon Jul 14 2025 .REST OF TONIGHT...East wind 5 to 10 knots becoming south toward daybreak. Areas of smoke. Slight chance of showers and thunderstorms. Waves 1 foot or less. .TUESDAY...Southwest wind 5 to 10 knots becoming north early in the afternoon, then becoming northeast late in the afternoon. Chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Areas of smoke in the afternoon. Waves 1 foot or less. .TUESDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots after midnight. Areas of smoke in the evening. Thunderstorms likely in the evening. Rain showers likely through the night. Slight chance of thunderstorms after midnight. Waves 1 to 3 feet. .WEDNESDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Rain showers likely and slight chance of thunderstorms. Waves 2 to 4 feet. A small craft advisory may be needed. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes Huyck