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: 345 PM EDT Tue Apr 1 2025




Late This Afternoon: East winds 15 to 25 knots. Waves 2 to 4 feet.

Tonight: East winds 15 to 25 knots veering southeast after midnight, then becoming east 20 to 30 knots with gale force gusts to 35 late. A slight chance of snow through midnight, then snow after midnight. Waves building to 5 to 8 feet occasionally to 10 feet.

Wednesday: East gales to 35 knots. Snow. A slight chance of rain and sleet by mid afternoon. Waves building to 10 to 14 feet occasionally to 18 feet.

Wednesday Night: East gales to 35 knots becoming northeast 20 to 30 knots after midnight, then backing northwest late. Rain showers, possibly mixed with snow and sleet through midnight, then a chance of rain and snow showers after midnight. Waves subsiding to 3 to 5 feet occasionally to 7 feet.

Thursday: West winds 15 to 25 knots diminishing to 10 to 20 knots by mid afternoon. Waves subsiding to 1 to 3 feet.

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

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

Friday Night: South winds 5 to 15 knots becoming northwest 10 to 20 knots after midnight. Waves calm to 2 feet.

Saturday: West winds 10 to 20 knots increasing to 15 to 25 knots. Waves building to 1 to 3 feet.

Sunday: Northwest winds 15 to 25 knots veering north. Waves 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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