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: 400 PM EDT Wed Apr 8 2026




Late This Afternoon: Northeast winds 5 to 15 knots. Rain showers. Waves 2 to 4 feet subsiding to 1 to 3 feet.

Tonight: Southwest winds 10 to 20 knots increasing to 20 to 30 knots after midnight, then veering west late. A slight chance of rain showers through midnight. Waves building to 3 to 6 feet occasionally to 8 feet.

Thursday: West winds 20 to 30 knots diminishing to 10 to 20 knots. Waves subsiding to 1 to 3 feet.

Thursday Night: West winds 5 to 15 knots veering northwest late. Waves subsiding to calm to 2 feet.

Friday: West winds 5 to 15 knots backing southwest by mid afternoon. Waves calm to 2 feet.

Friday Night: West winds 5 to 15 knots veering northwest after midnight. Waves calm to 2 feet.

Saturday: South winds 5 to 15 knots backing east by mid afternoon. Waves calm to 2 feet.

Saturday Night: East winds 10 to 20 knots. A chance of rain showers through midnight. A chance of thunderstorms. Rain showers after midnight. Waves building to 2 to 4 feet.

Sunday: East winds 10 to 20 knots becoming southwest 15 to 25 knots. Rain showers. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 1 to 3 feet.

Monday: West winds 15 to 25 knots becoming northeast gales to 35 knots. A chance of rain showers, then rain showers, possibly mixed with snow. Waves subsiding to 2 to 4 feet, then building to 9 to 12 feet occasionally to 15 feet.







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

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