Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

For More Weather Information:

Grand Rapids, MI Local Forecast Office

11NM N Saint Joseph MI

Marine Point Forecast

[NOTICE]

Today
High: 78 °F
SW 8kt
< 1ft
Tonight
Low: 69 °F
S 9kt
< 1ft
Wednesday
High: 76 °F
SSW 8kt
< 1ft
Wednesday Night
Low: 68 °F
WNW 6kt
< 1ft
Thursday
High: 74 °F
SW 6kt
< 1ft
Thursday Night
Low: 67 °F
Light Wind
< 1ft
Friday
High: 76 °F
Light Wind
< 1ft
Friday Night
Low: 69 °F
⇑SSW 6kt
< 1ft
Saturday
High: 78 °F
SW 8kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:03 am CDT Aug 4, 2026
Forecast Valid: 11am CDT Aug 4, 2026-6pm CDT Aug 10, 2026

View Nearby Observations

Detailed Forecast

Today

SW wind 6 to 8 kt. Sunny. Waves 1 ft or less.

Tonight

S wind 5 to 9 kt. Partly cloudy. Waves 1 ft or less.

Wednesday

SSW wind 5 to 8 kt becoming WSW in the afternoon. A chance of showers, with thunderstorms also possible after 4pm. Waves 1 ft or less.

Wednesday Night

WNW wind around 6 kt becoming SSW after midnight. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Waves 1 ft or less.

Thursday

SSW wind around 6 kt becoming NW in the afternoon. A chance of showers, with thunderstorms also possible after 1pm. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

Friday Night

Variable winds less than 5 kt becoming SSW around 6 kt after midnight. Mostly clear. Waves 1 ft or less.

Saturday

SW wind 6 to 8 kt. Mostly sunny. Waves 1 ft or less.

*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.