For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

11NM N Grand Isle LA

Marine Point Forecast

[NOTICE]

This Afternoon
High: 82 °F
E 15kt
< 1ft
Tonight
Low: 79 °F
E 20kt
1ft

Small Craft Advisory
Thursday
High: 81 °F
E 20kt
< 1ft

Small Craft Advisory
Thursday Night
Low: 78 °F
ESE 20kt
< 1ft

Small Craft Advisory
Friday
High: 83 °F
ESE 15kt
< 1ft

Small Craft Advisory
Friday Night
Low: 79 °F
SE 15kt
< 1ft
Saturday
High: 83 °F
S 10kt
< 1ft
Saturday Night
Low: 80 °F
S 10kt
< 1ft
Sunday
High: 83 °F
S 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:25 pm CDT Jun 3, 2026
Forecast Valid: 1pm CDT Jun 3, 2026-6pm CDT Jun 9, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH FRIDAY

This Afternoon

E wind 10 to 15 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

Tonight

E wind around 20 kt. Showers and possibly a thunderstorm. Seas around 1 ft.

Thursday

E wind 15 to 20 kt, with gusts as high as 30 kt. A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 1pm, then a chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Thursday Night

ESE wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 5am, then showers likely and possibly a thunderstorm after 5am. Seas 1 ft or less.

Friday

ESE wind around 15 kt, with gusts as high as 25 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.

Friday Night

SE wind 10 to 15 kt, with gusts as high as 20 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Saturday

S wind around 10 kt. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Saturday Night

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

Sunday

S wind 5 to 10 kt. A chance of showers and thunderstorms, mainly before 1pm. Seas 1 ft or less.

*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.