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17NM E Grand Isle LA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:31 pm CST Jan 16, 2026
Forecast Valid: 6am CST Jan 17, 2026-6pm CST Jan 23, 2026

Today

NNE wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers, mainly after 3pm. Seas around 1 ft.

Tonight

N wind around 15 kt, with gusts as high as 25 kt. Showers likely, mainly before 2am. Seas 1 ft or less.

Sunday

NNW wind 10 to 15 kt, with gusts as high as 20 kt. Sunny. Seas 1 ft or less.

Sunday Night

NNW wind 5 to 10 kt. Clear. Seas 1 ft or less.

M.L.King Day

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

Monday Night

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

Tuesday

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

Tuesday Night

ENE wind around 10 kt becoming ESE after midnight. Mostly cloudy. Seas 1 ft or less.

Wednesday

SE wind around 10 kt. Mostly cloudy. 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.