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Heat Persists Across the Central and Western U.S.; Fire Weather Concerns in the Rockies and High Plains

Record-breaking heat expected in the Central and Western U.S. for the next several days. Gusty winds and low relative humidity will create elevated to critical fire weather conditions over portions of the Rockies and High Plains Wednesday and Thursday. Rain and mountain snow are possible across the Pacific Northwest into the Rockies through Wednesday. Read More >

Coastal Waters 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) (Text-Only)
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: 400 AM EDT Wed Mar 25 2026		Print

Early This Morning: Southeast winds 10 to 20 knots. A chance of snow showers, possibly mixed with rain. Waves 1 to 3 feet building to 2 to 4 feet.

Today: Southeast winds 10 to 20 knots diminishing to 5 to 15 knots in the afternoon, then backing north late. A chance of rain showers, possibly mixed with snow. Waves subsiding to calm to 2 feet.

Tonight: Northeast winds 5 to 15 knots becoming north 10 to 20 knots late. A slight chance of rain showers, freezing rain and snow showers after midnight. Waves building to 1 to 3 feet.

Thursday: North winds 10 to 20 knots. A slight chance of rain and snow showers through early afternoon. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet.

Thursday Night: North winds 10 to 20 knots diminishing to 5 to 15 knots after midnight. Waves subsiding to 1 to 3 feet.

Friday: Northwest winds 5 to 15 knots becoming west 15 to 25 knots by mid afternoon. Waves subsiding to calm to 2 feet, then building to 2 to 4 feet.

Friday Night: Northwest winds 15 to 25 knots diminishing to 10 to 20 knots after midnight. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet.

Saturday: West winds 10 to 20 knots becoming south 5 to 15 knots. Waves subsiding to 1 to 3 feet.

Sunday: South winds 5 to 15 knots becoming west 10 to 20 knots. Waves subsiding to calm to 2 feet, then building to 3 to 5 feet occasionally to 7 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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