Coastal Waters Forecast for Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM (LSZ162) (Text-Only)
NWS Forecast for: Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM (LSZ162)
Issued by: National Weather Service Duluth, MN
Last Update: 1001 PM EDT Fri Sep 11 2026


Rest Of Tonight: South winds 15 to 25 knots veering southwest after midnight. Showers by midnight. A slight chance of thunderstorms. A chance of showers after midnight. Waves 1 to 3 feet building to 2 to 4 feet, then subsiding to 1 to 3 feet.

Saturday: West winds 15 to 25 knots increasing to 20 to 30 knots late. Waves 1 to 3 feet.

Saturday Night: Northwest winds 15 to 25 knots diminishing to 10 to 20 knots after midnight. Waves subsiding to calm to 2 feet.

Sunday: Northwest winds 10 to 20 knots backing west by mid afternoon. Waves calm to 2 feet.

Sunday Night: Northwest winds 5 to 15 knots becoming north less than 10 knots after midnight. Waves calm to 2 feet.

Monday: Southeast winds 5 to 15 knots increasing to 20 to 30 knots by mid afternoon. Showers likely by mid afternoon. Waves building to 1 to 3 feet.

Monday Night: South gales to 35 knots veering southwest after midnight. Showers through midnight. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet.

Tuesday: West winds 20 to 30 knots becoming northwest 10 to 20 knots. Waves subsiding to calm to 2 feet.

Wednesday: North winds 5 to 15 knots increasing to 10 to 20 knots. Waves calm to 2 feet.







Zone Forecast: Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM (LSZ162)

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