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18NM ENE Saint Ignace MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 5:08 am EDT Aug 23, 2026
Forecast Valid: 5am EDT Aug 23, 2026-6pm EDT Aug 29, 2026

Today

NNW wind 10 to 15 kt, with gusts as high as 25 kt. A slight chance of showers after 11am. Waves 1 ft or less.

Tonight

NW wind around 15 kt, with gusts as high as 30 kt. A chance of rain. Waves 1 ft or less.

Monday

NW wind around 15 kt. A slight chance of showers before 11am. Waves 1 ft or less.

Monday Night

NW wind 5 to 10 kt. Mostly clear. Waves 1 ft or less.

Tuesday

NW wind 5 to 10 kt becoming WSW in the afternoon. Mostly sunny. Waves 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. A chance of showers after 2am. Waves 1 ft or less.

Wednesday

S wind 5 to 10 kt. Showers likely, then showers and possibly a thunderstorm after 2pm. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Showers and possibly a thunderstorm. Waves 1 ft or less.

Thursday

WNW wind 5 to 10 kt. A chance of showers. Waves 1 ft or less.

See the open lakes forecast for days 3 through 5.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.