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Northern Indiana Local Forecast Office

4NM NW Michigan City IN

Marine Point Forecast

[NOTICE]

Tonight
Low: 57 °F
S 10kt
< 1ft
Friday
High: 65 °F
S 15kt
< 1ft
Friday Night
Low: 45 °F
N 10kt
< 1ft
Saturday
High: 52 °F
N 10kt
2-3ft
Saturday Night
Low: 46 °F
N 10kt
2ft
Sunday
High: 62 °F
ENE 10kt
< 1ft
Sunday Night
Low: 50 °F
E 15kt
< 1ft
Monday
High: 66 °F
SE 20kt
1ft
Monday Night
Low: 52 °F
SSE 20kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:29 pm CDT Apr 23, 2026
Forecast Valid: 6pm CDT Apr 23, 2026-6pm CDT Apr 30, 2026

View Nearby Observations

Detailed Forecast

Tonight

S wind around 10 kt. A chance of showers and thunderstorms, mainly after 4am. Waves 1 ft or less.

Friday

S wind 10 to 15 kt becoming W in the afternoon. A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Waves 1 ft or less.

Friday Night

WNW wind 5 to 10 kt becoming N after midnight. A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Waves 1 ft or less.

Saturday

N wind around 10 kt. Mostly sunny. Waves 2 to 3 ft.

Saturday Night

N wind 5 to 10 kt becoming E after midnight. Partly cloudy. Waves around 2 ft.

Sunday

ENE wind around 10 kt. Mostly sunny. Waves 1 ft or less.

Sunday Night

E wind 10 to 15 kt. Mostly cloudy. Waves 1 ft or less.

Monday

SE wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Waves around 1 ft.

Monday Night

SSE wind 15 to 20 kt becoming SW after midnight. Showers and possibly a thunderstorm before 1am, then a chance of showers. Waves around 1 ft.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 50 degrees and at Michigan
City is 47 degrees.

*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.