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Coastal Waters Forecast for St Ignace to False Detour Channel (LHZ346) (Text-Only)
NWS Forecast for: St Ignace to False Detour Channel (LHZ346)
Issued by: National Weather Service Gaylord, MI
Last Update: 202 PM EDT Thu Aug 20 2026

Tonight: South wind 10 to 15 knots. Slight chance of showers after midnight. Waves 2 feet or less.

Friday: Southeast wind 10 to 15 knots. Chance of showers and slight chance of thunderstorms. Waves 2 to 4 feet.

Friday Night: South wind 10 to 15 knots. Chance of showers. Waves 2 to 4 feet.

Saturday: Northwest wind 10 to 15 knots. Chance of showers. Waves 2 feet or less.

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.






Zone Forecast: St Ignace to False Detour Channel (LHZ346)

Visit your local NWS office at: https://www.weather.gov/apx