NWS Marine Forecast


   LSZ263-180800-  Lake Superior from Saxon Harbor WI to Upper Entrance to Portage  Canal MI 5NM off shore to the US/Canadian border including Isle  Royale National Park-  401 PM EDT Thu Sep 17 2026    LATE THIS AFTERNOON  West winds 5 to 15 knots. Waves calm to  2 feet.  TONIGHT  West winds 5 to 15 knots becoming northeast 10 to  20 knots after midnight, then veering east late. Waves building  to 1 to 3 feet.  FRIDAY  East winds 5 to 15 knots. Waves 1 to 3 feet.  FRIDAY NIGHT  East winds 5 to 15 knots veering southeast after  midnight. Waves subsiding to calm to 2 feet.  SATURDAY  East winds 5 to 15 knots backing northeast by mid  afternoon. Waves calm to 2 feet.  SATURDAY NIGHT  Northeast winds 5 to 15 knots increasing to  15 to 25 knots after midnight. Waves building to 2 to 4 feet.  SUNDAY  Northeast winds 20 to 30 knots increasing to gales to  35 knots by mid afternoon. Waves building to 3 to 6 feet  occasionally to 8 feet.  SUNDAY NIGHT  East winds 20 to 30 knots diminishing to 10 to  20 knots after midnight. Waves subsiding to 1 to 3 feet.  MONDAY  East winds 20 to 30 knots diminishing to 15 to  25 knots. Waves subsiding to calm to 2 feet.  TUESDAY  East winds 10 to 20 knots veering southeast. Waves  calm to 2 feet.    $$