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Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. 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: 1000 AM EST Fri Feb 27 2026



Rest Of Today: South winds 15 to 25 knots becoming southwest gales to 35 knots by late morning, then becoming west gales to 45 knots by mid afternoon. A slight chance of snow showers in the afternoon. Waves 2 to 4 feet building to 8 to 11 feet occasionally to 14 feet.

Tonight: West gales to 45 knots becoming northwest gales to 40 knots by midnight, then diminishing to 20 to 30 knots late. Heavy freezing spray. Waves building to 10 to 14 feet occasionally to 18 feet, then subsiding to 3 to 6 feet occasionally to 8 feet.

Saturday: Northwest winds 15 to 25 knots diminishing to 5 to 15 knots. Waves subsiding to calm to 2 feet.

Saturday Night: Northwest winds 5 to 15 knots veering north after midnight. Waves calm to 2 feet.

Sunday: Northwest winds 5 to 15 knots backing west in the afternoon. Waves calm to 2 feet.

Sunday Night: South winds 5 to 15 knots. Waves building to 1 to 3 feet.

Monday: Southwest winds 10 to 20 knots increasing to gales to 35 knots. Waves building to 3 to 6 feet occasionally to 8 feet.

Tuesday: Southwest winds 20 to 30 knots veering west. Waves subsiding to calm to 2 feet, then building to 3 to 6 feet occasionally to 8 feet.

note, wave height forecasts are for ice free areas.






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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