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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]
    • Monday

      Monday:S wind 5 to 10 kt becoming SW in the afternoon. Patchy smoke.  Waves 1 ft or less.

      High: 84 °F

      SSW 10kt
      < 1ft

    • Monday Night

      Monday Night:SSW wind 15 to 20 kt, with gusts as high as 25 kt. Showers and thunderstorms likely, mainly before 3am.   Waves 1 ft building to 4 ft.

      Low: 76 °F

      SSW 20kt
      Waves Building4ft

    • Tuesday

      Tuesday:W wind 15 to 20 kt becoming NNW in the afternoon. A slight chance of showers and thunderstorms before 7am.   Waves 3 to 4 ft.

      High: 81 °F

      W 20kt
      3-4ft

    • Tuesday Night

      Tuesday Night:N wind 20 to 25 kt, with gusts as high as 30 kt. Partly cloudy. Waves 4 ft building to 7 ft.

      Low: 66 °F

      N 25kt
      Waves Building7ft

    • Wednesday

      Wednesday:N wind 15 to 20 kt, with gusts as high as 25 kt. Mostly sunny. Waves 7 to 8 ft.

      High: 71 °F

      N 20kt
      7-8ft

    • Wednesday Night

      Wednesday Night:NNE wind 5 to 15 kt, with gusts as high as 20 kt. Clear. Waves 6 ft subsiding to 2 ft.

      Low: 65 °F

      NNE 15kt
      6ftWaves Subsiding

    • Thursday

      Thursday:Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

      High: 75 °F

      Light Wind
      < 1ft

    • Thursday Night

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

      Low: 68 °F

      Light Wind
      < 1ft

    • Friday

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

      High: 78 °F

      Light Wind
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:30 am CDT Jul 20, 2026
Forecast Valid: 2am CDT Jul 20, 2026-6pm CDT Jul 26, 2026

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Detailed Forecast

Monday
S wind 5 to 10 kt becoming SW in the afternoon. Patchy smoke. Waves 1 ft or less.
Monday Night
SSW wind 15 to 20 kt, with gusts as high as 25 kt. Showers and thunderstorms likely, mainly before 3am. Waves 1 ft building to 4 ft.
Tuesday
W wind 15 to 20 kt becoming NNW in the afternoon. A slight chance of showers and thunderstorms before 7am. Waves 3 to 4 ft.
Tuesday Night
N wind 20 to 25 kt, with gusts as high as 30 kt. Partly cloudy. Waves 4 ft building to 7 ft.
Wednesday
N wind 15 to 20 kt, with gusts as high as 25 kt. Mostly sunny. Waves 7 to 8 ft.
Wednesday Night
NNE wind 5 to 15 kt, with gusts as high as 20 kt. Clear. Waves 6 ft subsiding to 2 ft.
Thursday
Variable winds 5 kt or less. Sunny. 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.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 53 degrees and at Michigan
City is 53 degrees.


*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 41.99°N 86.64°W
Last Update: 1:30 am CDT Jul 20, 2026
Forecast Valid: 2am CDT Jul 20, 2026-6pm CDT Jul 26, 2026
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