Coastal Waters Forecast for Upper Entrance of Portage Canal to Eagle River MI (LSZ243) (Text-Only)
NWS Forecast for: Upper Entrance of Portage Canal to Eagle River MI (LSZ243)
Issued by: National Weather Service Marquette, MI
Last Update: 502 AM EDT Sat Sep 19 2026


Early This Morning: Southeast wind less than 10 knots. Partly cloudy. Waves calm to 1 foot.

Today: Southeast wind less than 10 knots backing northeast late. Gusts up to 17 knots. Mostly cloudy. Waves calm to 1 foot.

Tonight: Variable wind less than 10 knots becoming north less than 10 knots with gusts up to 25 knots by midnight, then veering northeast 10 to 20 knots late. Partly cloudy through late evening then becoming mostly cloudy. A slight chance of showers by midnight. Waves building to 2 to 4 feet.

Sunday: Northeast wind 15 to 20 knots with gusts up to 29 knots. Mostly cloudy in the morning then becoming mostly sunny. Waves building to 3 to 6 feet occasionally to 8 feet, then subsiding to 2 to 4 feet.

Sunday Night: Northeast wind 10 to 15 knots veering east after midnight. Gusts up to 22 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves subsiding to 1 to 2 feet.







Zone Forecast: Upper Entrance of Portage Canal to Eagle River MI (LSZ243)

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