Rest Of Tonight
Northeast wind 20 to 25 knots. Gusts up to 30 knots. Chance of rain showers toward daybreak. Waves 1 to 2 feet building to 4 to 6 feet in the late evening and overnight.
Grand Portage to Grand Marais MN Marine Forecast
Hourly forecast at zone center
Hourly wind and waves
Gusts peak near 27kts around 12:00 PM, with waves reaching 6.8ft around 1:00 PM.
Monday, October 12
Wind
12—17kts
Gusts up to:27kts
Wind: 12—17 kts; gusts 27 kts. Use left and right arrows to inspect hours; Escape to reset.
Waves
2—7ft
Period:2—4s
Waves: 2—7 ft; period 2—4 seconds. Use left and right arrows to inspect hours; Escape to reset.
NOAA marine forecast
Text forecast
Updated 8:42pm CDT Oct 11, 2026
Small Craft Advisory In Effect Until 4 Am Cdt Monday
Gale Warning In Effect From 4 Am Cdt Monday Through Monday Evening
Monday
Northeast wind 20 to 25 knots with gales to around 35 knots. Chance of rain showers in the morning, then slight chance of rain showers in the afternoon. Waves 5 to 8 feet. Waves occasionally to 11 feet.
Monday Night
Northeast wind 20 to 25 knots. Gusts up to 35 knots decreasing to 25 knots. Chance of rain showers in the evening, then rain showers likely after midnight. Waves 5 to 8 feet. Waves occasionally to 11 feet. A gale warning may be needed.
Tuesday
North wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots early in the afternoon, then becoming northwest late in the afternoon. Slight chance of rain showers through the day. Waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon. A small craft advisory may be needed.
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