News Headlines

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

3NM SW Grand Isle LA

Marine Point Forecast

[NOTICE]

Tonight
Low: 59 °F
Light Wind
< 1ft
Friday
High: 65 °F
Light Wind
< 1ft
Friday Night
Low: 63 °F
Light Wind
< 1ft
Saturday
High: 68 °F
ESE 15kt
1ft
Saturday Night
Low: 62 °F
S 25kt
1-2ft
Sunday
High: 69 °F
SSW 25kt
1-2ft
Sunday Night
Low: 57 °F
WNW 15kt
1ft
Washington's Birthday
High: 65 °F
N 10kt
1ft
Monday Night
Low: 59 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:24 am CST Feb 12, 2026
Forecast Valid: 4pm CST Feb 12, 2026-6pm CST Feb 19, 2026

View Nearby Observations

Detailed Forecast

Tonight

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

Friday

Variable winds 5 kt or less. Patchy fog before 8am. 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 15 kt, with gusts as high as 20 kt. A chance of showers after noon. Seas around 1 ft.

Saturday Night

SSE wind 15 to 25 kt becoming SSW after midnight. Winds could gust as high as 35 kt. Showers, with thunderstorms also possible after 3am. Seas 1 to 2 ft.

Sunday

SSW wind 20 to 25 kt becoming W in the afternoon. Winds could gust as high as 30 kt. Showers and possibly a thunderstorm before noon, then a chance of showers. Seas 1 to 2 ft.

Sunday Night

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

Washington's Birthday

N wind 5 to 10 kt becoming ENE in the afternoon. Sunny. Seas around 1 ft.

Monday Night

Variable winds 5 kt or less. Mostly clear. 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.