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: 1000 AM EDT Fri Mar 13 2026




Rest Of Today: North gales to 40 knots diminishing to 15 to 25 knots late. A chance of snow. Waves 9 to 12 feet occasionally to 15 feet subsiding to 3 to 6 feet occasionally to 8 feet.

Tonight: North winds 10 to 20 knots diminishing to 5 to 15 knots after midnight. Waves subsiding to calm to 2 feet.

Saturday: Southwest winds 5 to 15 knots backing south late. Waves calm to 2 feet.

Saturday Night: East winds 5 to 15 knots becoming northeast 15 to 25 knots after midnight. A slight chance of snow. Waves building to 2 to 4 feet.

Sunday: Northeast gales to 40 knots. A chance of snow. Freezing spray by mid afternoon. Waves building to 10 to 14 feet occasionally to 18 feet.

Sunday Night: North gales to 45 knots increasing to storm force winds to 50 knots after midnight. Heavy freezing spray. A chance of snow. Waves building to 12 to 17 feet occasionally to 21 feet.

Monday: North storm force winds to 55 knots diminishing to gales to 35 knots. Heavy freezing spray. Waves subsiding to 2 to 4 feet.

Tuesday: Southwest winds 10 to 20 knots backing south. A chance of snow showers. Waves subsiding to calm to 2 feet, then building to 2 to 4 feet.







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

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