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

3NM SW Grand Isle LA

Marine Point Forecast

[NOTICE]

Wednesday
High: 86 °F
ENE 10kt
< 1ft
Wednesday Night
Low: 79 °F
Light Wind
< 1ft
Thursday
High: 84 °F
NE 15kt
1ft
Thursday Night
Low: 78 °F
E 15kt
1ft
Friday
High: 82 °F
ENE 20kt
1ft
Friday Night
Low: 78 °F
E 15kt
1ft
Saturday
High: 81 °F
E 20kt
1ft
Saturday Night
Low: 77 °F
E 15kt
1ft
Sunday
High: 83 °F
E 15kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:26 am CDT Oct 1, 2025
Forecast Valid: 1am CDT Oct 1, 2025-6pm CDT Oct 7, 2025

View Nearby Observations

Detailed Forecast

Wednesday

NNW 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 chance of showers and thunderstorms, mainly between 3am and 5am. Seas 1 ft or less.

Thursday

NE wind 10 to 15 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Seas around 1 ft.

Thursday Night

E wind around 15 kt. Showers likely and possibly a thunderstorm. Seas around 1 ft.

Friday

ENE wind 15 to 20 kt. Showers likely and possibly a thunderstorm. Seas around 1 ft.

Friday Night

E wind around 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Seas around 1 ft.

Saturday

E wind 15 to 20 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas around 1 ft.

Saturday Night

E wind around 15 kt, with gusts as high as 20 kt. Showers and possibly a thunderstorm. Seas around 1 ft.

Sunday

E wind 10 to 15 kt. Showers likely and possibly a thunderstorm. 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.