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Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:S wind 10 to 15 kt becoming SE 20 to 25 kt in the afternoon. Winds could gust as high as 30 kt. Showers likely, then showers and possibly a thunderstorm after 1pm. Some of the storms could be severe and produce heavy rainfall.   Waves 1 to 3 ft.

      High: 72 °F

      ⇑SE 25kt
      1-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:SSE wind around 20 kt becoming W after midnight. Winds could gust as high as 30 kt. Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and midnight. Some of the storms could be severe.   Waves 2 ft building to 6 ft.

      Low: 61 °F

      W 20kt
      Waves Building6ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday

      Thursday:W wind 15 to 20 kt decreasing to 10 to 15 kt in the afternoon. Winds could gust as high as 30 kt. A slight chance of showers before 8am.   Waves 6 ft subsiding to 2 ft.

      High: 69 °F

      W 20kt⇓
      6ftWaves Subsiding

      Small Craft Advisory
      Small Craft Advisory

    • Thursday Night

      Thursday Night:W wind 5 to 15 kt. Mostly clear. Waves 1 to 2 ft.

      Low: 62 °F

      W 15kt
      1-2ft

    • Juneteenth

      Juneteenth:WNW wind 5 to 15 kt. Sunny. Waves 1 to 2 ft.

      High: 70 °F

      WNW 15kt
      1-2ft

    • Friday Night

      Friday Night:Variable winds less than 5 kt becoming WSW 5 to 10 kt after midnight. Mostly clear. Waves 1 ft or less.

      Low: 63 °F

      ⇑WSW 10kt
      < 1ft

    • Saturday

      Saturday:W wind 5 to 10 kt. Sunny. Waves 1 ft or less.

      High: 73 °F

      W 10kt
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. A slight chance of showers.   Waves 1 ft or less.

      Low: 64 °F

      Light Wind
      < 1ft

    • Sunday

      Sunday:ESE wind around 10 kt becoming ENE in the afternoon. Winds could gust as high as 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.   Waves 1 ft or less.

      High: 71 °F

      ENE 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:19 am CDT Jun 17, 2026
Forecast Valid: 11am CDT Jun 17, 2026-6pm CDT Jun 23, 2026

View Nearby Observations

Detailed Forecast

Today
S wind 10 to 15 kt becoming SE 20 to 25 kt in the afternoon. Winds could gust as high as 30 kt. Showers likely, then showers and possibly a thunderstorm after 1pm. Some of the storms could be severe and produce heavy rainfall. Waves 1 to 3 ft.
Tonight
SSE wind around 20 kt becoming W after midnight. Winds could gust as high as 30 kt. Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and midnight. Some of the storms could be severe. Waves 2 ft building to 6 ft.
Thursday
W wind 15 to 20 kt decreasing to 10 to 15 kt in the afternoon. Winds could gust as high as 30 kt. A slight chance of showers before 8am. Waves 6 ft subsiding to 2 ft.
Thursday Night
W wind 5 to 15 kt. Mostly clear. Waves 1 to 2 ft.
Juneteenth
WNW wind 5 to 15 kt. Sunny. Waves 1 to 2 ft.
Friday Night
Variable winds less than 5 kt becoming WSW 5 to 10 kt after midnight. Mostly clear. Waves 1 ft or less.
Saturday
W wind 5 to 10 kt. Sunny. Waves 1 ft or less.
Saturday Night
Variable winds 5 kt or less. A slight chance of showers. Waves 1 ft or less.
Sunday
ESE wind around 10 kt becoming ENE in the afternoon. Winds could gust as high as 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Waves 1 ft or less.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 67 degrees and at Michigan
City is 64 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: 10:19 am CDT Jun 17, 2026
Forecast Valid: 11am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
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