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: 56 °F
Light Wind
< 1ft
Thursday
High: 67 °F
Light Wind
< 1ft
Thursday Night
Low: 56 °F
Light Wind
< 1ft
Friday
High: 68 °F
Light Wind
< 1ft
Friday Night
Low: 57 °F
Light Wind
< 1ft
Saturday
High: 71 °F
⇑SSE 20kt
< 1ft
Saturday Night
Low: 60 °F
S 25kt
1ft
Sunday
High: 70 °F
WSW 25kt
1ft
Sunday Night
Low: 53 °F
WNW 15kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:32 am CST Feb 11, 2026
Forecast Valid: 7pm CST Feb 11, 2026-6pm CST Feb 18, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Patchy fog after 5am. Seas 1 ft or less.

Thursday

Variable winds 5 kt or less. Patchy fog before 9am. Seas 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

Friday

Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

Saturday

ESE wind 5 to 10 kt becoming SSE 15 to 20 kt in the afternoon. A chance of showers after noon. Seas 1 ft or less.

Saturday Night

SSE wind 20 to 25 kt becoming SSW after midnight. Winds could gust as high as 35 kt. Showers likely, then showers and possibly a thunderstorm after midnight. Seas around 1 ft.

Sunday

SSW wind 15 to 25 kt becoming WNW in the afternoon. Winds could gust as high as 30 kt. Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Seas around 1 ft.

Sunday Night

WNW wind 10 to 15 kt becoming N after midnight. Mostly clear. Seas around 1 ft.

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.