News Headlines

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

17NM E Grand Isle LA

Marine Point Forecast

[NOTICE]

Tonight
Low: 82 °F
NW 10kt
< 1ft
Monday
High: 95 °F
NNW 10kt
< 1ft
Monday Night
Low: 82 °F
NW 10kt
< 1ft
Tuesday
High: 95 °F
NNW 10kt
< 1ft
Tuesday Night
Low: 81 °F
W 15kt
1ft
Wednesday
High: 92 °F
Tropical Storm Conditions Possible
Wednesday Night
Low: 81 °F
Tropical Storm Conditions Possible
Thursday
High: 92 °F
WSW 15kt
1ft
Thursday Night
Low: 81 °F
S 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:52 pm CDT Jul 19, 2026
Forecast Valid: 10pm CDT Jul 19, 2026-6pm CDT Jul 26, 2026

View Nearby Observations

Detailed Forecast

Tonight

W wind 5 to 10 kt becoming NW after midnight. Partly cloudy. Seas 1 ft or less.

Monday

NNW wind 5 to 10 kt becoming NNE in the afternoon. A slight chance of showers and thunderstorms between 4pm and 5pm. Seas 1 ft or less.

Monday Night

W wind 5 to 10 kt becoming NNW after midnight. A chance of showers and thunderstorms between 7pm and 11pm. Seas 1 ft or less.

Tuesday

NNW wind around 10 kt becoming W in the afternoon. Showers and thunderstorms likely, mainly after 3pm. Seas 1 ft or less.

Tuesday Night

W wind around 15 kt. Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm after 7pm. Seas around 1 ft.

Wednesday

Tropical storm conditions possible. Showers likely and possibly a thunderstorm before 10am, then showers and thunderstorms likely after 10am. Some of the storms could produce heavy rainfall.

Wednesday Night

Tropical storm conditions possible. Showers likely and possibly a thunderstorm.

Thursday

WSW wind 10 to 15 kt becoming S in the afternoon. Winds could gust as high as 40 kt. A chance of showers and thunderstorms, mainly before 1pm. Seas around 1 ft.

Thursday Night

S wind around 10 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.

Winds and seas higher in and near thunderstorms.

*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.