Tracking Atmospheric River for the West Coast; Space Weather Storming Continues
An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >
| NWS Forecast for: 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 (LSZ263) Issued by: National Weather Service Marquette, MI Last Update: 408 PM EST Wed Nov 12 2025 |  |
Late This Afternoon: Northwest gales to 35 knots. Waves 6 to 10 feet occasionally to 13 feet. Tonight: Northwest gales to 35 knots diminishing to 20 to 30 knots by midnight, then backing west late. Waves subsiding to 3 to 6 feet occasionally to 8 feet. Thursday: West winds 20 to 30 knots. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 5 feet occasionally to 7 feet. Thursday Night: West winds 10 to 20 knots becoming northeast 5 to 15 knots by midnight, then veering east late. Waves subsiding to calm to 2 feet. Friday: Southeast winds 10 to 20 knots. Waves building to 2 to 4 feet. Friday Night: South winds 15 to 25 knots diminishing to 10 to 20 knots after midnight. Waves 2 to 4 feet. Saturday: West winds 15 to 25 knots increasing to gales to 35 knots in the afternoon. A chance of rain showers. Waves building to 5 to 8 feet occasionally to 10 feet. Saturday Night: Northwest gales to 35 knots. Waves building to 7 to 10 feet occasionally to 13 feet. Sunday: Northwest gales to 35 knots. Waves subsiding to 2 to 4 feet. Monday: Northwest winds 10 to 20 knots becoming north 5 to 15 knots. Waves subsiding to calm to 2 feet. | |
| Zone Forecast: 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 (LSZ263) | |
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