Tropical Moisture Brings Heavy Rain to Southwest; Strong Coastal Low to Impact the East Coast

Deep tropical moisture surging into the Southwest U.S. will lead to widespread showers and thunderstorms capable of producing flash flooding the next several days. A strong coastal low will develop late Friday and is expected to bring flooding, high surf, dangerous rip currents, gusty winds and heavy rain to much of the U.S. East Coast through early next week. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from October 9, 10:00 PM CDT until October 11, 10:00 AM CDT

For More Weather Information:

New Orleans/Baton Rouge, LA Local Forecast Office

17NM E Grand Isle LA

Marine Point Forecast

[NOTICE]

Tonight
Low: 72 °F
NE 15kt
< 1ft
Friday
High: 82 °F
NE 15kt
1ft
Friday Night
Low: 70 °F
NE 20kt
< 1ft
Saturday
High: 82 °F
NE 15kt
< 1ft
Saturday Night
Low: 71 °F
NE 10kt
< 1ft
Sunday
High: 83 °F
Light Wind
< 1ft
Sunday Night
Low: 71 °F
Light Wind
< 1ft
Columbus Day
High: 83 °F
Light Wind
< 1ft
Monday Night
Low: 71 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:27 pm CDT Oct 9, 2025
Forecast Valid: 6pm CDT Oct 9, 2025-6pm CDT Oct 16, 2025

View Nearby Observations

Detailed Forecast

Tonight

NE wind 10 to 15 kt. Mostly clear. Seas 1 ft or less.

Friday

NE wind around 15 kt, with gusts as high as 20 kt. Mostly sunny. Seas around 1 ft.

Friday Night

NE wind 15 to 20 kt. Mostly clear. Seas 1 ft or less.

Saturday

NE wind 10 to 15 kt. Sunny. Seas 1 ft or less.

Saturday Night

NE wind 5 to 10 kt. Mostly clear. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Clear. Seas 1 ft or less.

Columbus Day

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Monday Night

Variable winds 5 kt or less. Clear. 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.