News Headlines

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

17NM E Grand Isle LA

Marine Point Forecast

[NOTICE]

Today
High: 71 °F
Light Wind
< 1ft
Tonight
Low: 60 °F
Light Wind
< 1ft
Saturday
High: 69 °F
NE 10kt
< 1ft
Saturday Night
Low: 58 °F
Light Wind
< 1ft
Sunday
High: 70 °F
E 10kt
< 1ft
Sunday Night
Low: 61 °F
Light Wind
< 1ft
Monday
High: 71 °F
ESE 10kt
< 1ft
Monday Night
Low: 63 °F
ESE 10kt
< 1ft
Tuesday
High: 72 °F
ESE 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:24 am CST Feb 27, 2026
Forecast Valid: 8am CST Feb 27, 2026-6pm CST Mar 5, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm. Seas 1 ft or less.

Tonight

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

Saturday

NE wind 5 to 10 kt. Patchy fog before 8am. Seas 1 ft or less.

Saturday Night

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

Sunday

E wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.

Sunday Night

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

Monday

ESE wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Monday Night

ESE wind around 10 kt. Mostly clear. Seas 1 ft or less.

Tuesday

ESE wind around 10 kt. Sunny. Seas around 1 ft.

*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.