| NWS Forecast for: Grand Portage to Grand Marais MN (LSZ140) Issued by: National Weather Service Duluth, MN Last Update: 305 AM CDT Fri Oct 16 2026 | |
Today: North wind up to 30 knots with gales to around 40 knots easing to 15 to 20 knots with gusts to around 25 knots late in the afternoon. Mostly sunny. Waves 4 to 6 feet subsiding to 1 to 3 feet late in the afternoon. Waves occasionally to 8 feet. Tonight: Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 15 to 20 knots with gusts to around 25 knots early in the morning. Partly cloudy. Waves 1 to 2 feet building to 2 to 4 feet early in the morning. Saturday: Southwest wind up to 30 knots. Gusts up to 30 knots increasing to 35 knots in the late morning and afternoon. Sunny. Waves 4 to 6 feet building to 7 to 10 feet in the late morning and afternoon. Waves occasionally to 13 feet. A gale warning may be needed. Saturday Night: Southwest wind up to 30 knots. Gusts up to 35 knots increasing to 40 knots in the late evening and overnight. Mostly clear. Waves 7 to 12 feet. Waves occasionally to 15 feet. A gale warning may be needed. | |
| Zone Forecast: Grand Portage to Grand Marais MN (LSZ140) | |
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