Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

11NM N Grand Isle LA

Marine Point Forecast

[NOTICE]

Today
High: 85 °F
NNE 10kt
< 1ft
Tonight
Low: 77 °F
Light Wind
< 1ft
Wednesday
High: 85 °F
ENE 10kt
< 1ft
Wednesday Night
Low: 76 °F
Light Wind
< 1ft
Thursday
High: 83 °F
E 15kt
< 1ft
Thursday Night
Low: 75 °F
E 15kt
< 1ft
Friday
High: 81 °F
ENE 20kt
< 1ft
Friday Night
Low: 75 °F
ENE 15kt
< 1ft
Saturday
High: 80 °F
ENE 20kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:26 am CDT Sep 30, 2025
Forecast Valid: 9am CDT Sep 30, 2025-6pm CDT Oct 6, 2025

View Nearby Observations

Detailed Forecast

Today

N wind 5 to 10 kt becoming E in the afternoon. Mostly sunny. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. Mostly cloudy, then gradually becoming mostly clear. Seas 1 ft or less.

Wednesday

N wind 5 to 10 kt becoming E in the afternoon. Sunny. Seas 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Seas 1 ft or less.

Thursday

E wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, mainly after 1pm. Seas 1 ft or less.

Thursday Night

E wind around 15 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Friday

ENE wind 15 to 20 kt. A chance of showers, with thunderstorms also possible after 7am. Seas 1 ft or less.

Friday Night

ENE wind 10 to 15 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Saturday

ENE wind 15 to 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. 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.