Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast
Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >
| NWS Forecast for: Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border (LSZ264) Issued by: National Weather Service Marquette, MI Last Update: 406 AM EDT Sun Oct 11 2026 | |
| Early This Morning: South winds 15 to 25 knots. Waves 3 to 6 feet occasionally to 8 feet. Today: Southwest winds 15 to 25 knots diminishing to 10 to 20 knots in the afternoon, then becoming north 5 to 15 knots late. Waves subsiding to 1 to 3 feet. Tonight: Northeast winds 10 to 20 knots increasing to 20 to 30 knots after midnight. A chance of showers. Waves subsiding to calm to 2 feet, then building to 5 to 8 feet occasionally to 10 feet. Monday: Northeast winds 20 to 30 knots. Showers through early afternoon, then a slight chance of showers by mid afternoon. Waves subsiding to 3 to 6 feet occasionally to 8 feet. Monday Night: Northeast winds 20 to 30 knots diminishing to 10 to 20 knots after midnight. Showers. Waves subsiding to 3 to 5 feet occasionally to 7 feet. Tuesday: Northeast winds 10 to 20 knots becoming north 5 to 15 knots by mid afternoon. Waves subsiding to calm to 2 feet. Tuesday Night: Northwest winds 5 to 15 knots. Waves calm to 2 feet. Wednesday: Northwest winds 5 to 15 knots veering east. Waves calm to 2 feet. Thursday: Southeast winds 15 to 25 knots becoming south gales to 40 knots. Showers likely. Waves building to 4 to 7 feet occasionally to 9 feet. | |
| Zone Forecast: Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border (LSZ264) | |
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