Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

For More Weather Information:

Northern Indiana Local Forecast Office

2NM NNE Michigan City IN

Marine Point Forecast

[NOTICE]

Overnight
Low: 75 °F
Light Wind
< 1ft
Saturday
High: 85 °F
Light Wind
< 1ft
Saturday Night
Low: 76 °F
Light Wind
< 1ft
Sunday
High: 84 °F
NW 10kt
< 1ft
Sunday Night
Low: 74 °F
NNE 10kt
< 1ft
Monday
High: 86 °F
SE 10kt
< 1ft
Monday Night
Low: 75 °F
Light Wind
< 1ft
Tuesday
High: 82 °F
NNW 10kt
< 1ft
Tuesday Night
Low: 71 °F
NNE 10kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:15 am CDT Aug 16, 2025
Forecast Valid: 12am CDT Aug 16, 2025-6pm CDT Aug 22, 2025

View Nearby Observations

Detailed Forecast

Overnight

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

Saturday

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 1pm. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms. Waves 1 ft or less.

Sunday

WNW wind 5 to 10 kt becoming NNE in the morning. Mostly sunny. Waves 1 ft or less.

Sunday Night

NNE wind 5 to 10 kt becoming SE after midnight. A slight chance of showers and thunderstorms after 1am. Waves 1 ft or less.

Monday

SE wind 5 to 10 kt becoming S in the afternoon. A chance of showers and thunderstorms. Waves 1 ft or less.

Monday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms. Waves 1 ft or less.

Tuesday

SSW wind 5 to 10 kt becoming N in the afternoon. A chance of showers and thunderstorms. Waves 1 ft or less.

Tuesday Night

NNE wind around 10 kt. A slight chance of showers and thunderstorms. Waves 1 to 2 ft.

Winds and waves higher in and near thunderstorms.

The water temperature at St. Joseph is 57.

*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.