| NWS Forecast for: Grand Portage to Grand Marais MN (LSZ140) Issued by: National Weather Service Duluth, MN Last Update: 242 AM CDT Tue Aug 18 2026 |  |
Today: Northwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest 10 to 15 knots with gusts to around 25 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet. Tonight: West wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots after midnight. Partly cloudy. Waves 1 to 3 feet. Wednesday: West wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the afternoon. Sunny. Waves 1 to 2 feet. Wednesday Night: Southwest wind 5 to 10 knots becoming north after midnight. Partly cloudy. Waves 1 to 2 feet. | |
| Zone Forecast: Grand Portage to Grand Marais MN (LSZ140) | |
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