Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. 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: 75 °F
SE 10kt
< 1ft
Tonight
Low: 73 °F
SE 10kt
< 1ft
Thursday
High: 75 °F
SE 10kt
< 1ft
Thursday Night
Low: 71 °F
SE 10kt
< 1ft
Friday
High: 76 °F
S 10kt
< 1ft
Friday Night
Low: 72 °F
SSE 10kt
< 1ft
Saturday
High: 76 °F
S 10kt
< 1ft
Saturday Night
Low: 72 °F
SSW 10kt
< 1ft
Sunday
High: 77 °F
SE 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:57 am CDT Apr 22, 2026
Forecast Valid: 7am CDT Apr 22, 2026-6pm CDT Apr 28, 2026

View Nearby Observations

Detailed Forecast

Today

SE wind around 10 kt. A slight chance of showers between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Seas 1 ft or less.

Tonight

SE wind around 10 kt. A slight chance of showers and thunderstorms before 9pm. Seas 1 ft or less.

Thursday

SE wind around 10 kt. A slight chance of showers, with thunderstorms also possible after 1pm. Seas 1 ft or less.

Thursday Night

SE wind around 10 kt. Partly cloudy. Seas 1 ft or less.

Friday

S wind around 10 kt. A slight chance of showers, with thunderstorms also possible after 10am. Seas 1 ft or less.

Friday Night

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

Saturday

S wind 5 to 10 kt. A chance of showers and thunderstorms, mainly after 1pm. Seas 1 ft or less.

Saturday Night

SSW wind 5 to 10 kt. A slight chance of showers and thunderstorms before 1am. Seas 1 ft or less.

Sunday

SE wind 5 to 10 kt. Mostly sunny. 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.