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19NM NW Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:01 am CDT Oct 16, 2026
Forecast Valid: 4am CDT Oct 16, 2026-6pm CDT Oct 22, 2026

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH SATURDAY

Friday

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

Friday Night

Variable winds less than 5 kt becoming N 15 to 20 kt in the evening. Winds could gust as high as 30 kt. Partly cloudy. Seas 1 ft or less.

Saturday

NNE wind 15 to 20 kt, with gusts as high as 35 kt. Sunny. Seas 1 ft or less.

Saturday Night

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

Sunday

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

Sunday Night

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

Monday

ENE wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas 1 ft or less.

Monday Night

ENE wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

ENE wind 10 to 15 kt. Sunny. 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.