| NWS Forecast for: Grand Portage to Grand Marais MN (LSZ140) Issued by: National Weather Service Duluth, MN Last Update: 122 PM CDT Wed Sep 9 2026 | |
Rest Of Today: West wind 20 to 25 knots with gales to around 35 knots. Mostly sunny. Waves 4 to 7 feet. Waves occasionally to 9 feet. Tonight: West wind 15 to 20 knots with gusts to around 30 knots becoming northwest 5 to 10 knots early in the morning. Mostly clear. Waves 3 to 5 feet subsiding to 1 to 2 feet after midnight. A small craft advisory may be needed. Thursday: Northwest wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 25 knots in the afternoon. Sunny. Waves 1 to 2 feet. Thursday Night: Southwest wind 15 to 20 knots. Gusts up to 20 knots early in the evening then 20 knots after midnight, then increasing to 25 knots early in the morning. Partly cloudy. Waves 1 to 2 feet building to 1 to 3 feet early in the morning. | |
| Zone Forecast: Grand Portage to Grand Marais MN (LSZ140) | |
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