Long Duration Winter Storm for the Pacific Northwest; Heavy Rains in the Southeast and Hawaii

A long-duration winter storm will impact the Northwest through the weekend. The coastal ranges and lower elevations of the Cascades will have moderate to heavy rain, and periods of heavy snow will impact many mountain passes. Scattered storms and heavy rains may produce localized flash flooding across the central Gulf Coast into the Southeast and Hawaii.
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19NM SE Grand Isle LA

Marine Point Forecast

[NOTICE]
  • Overnight

    Slight Chc Thunderstorms

    SSE 20kt
    6ft

    Low: 70 °F

    Gale Warning
    Gale Warning

  • Friday

    Showers

    S 10kt
    4-6ft

    High: 75 °F

    Small Craft Advisory
    Small Craft Advisory

  • Friday
    Night

    Heavy Rain

    SSE 15kt
    4ft

    Low: 69 °F

  • Saturday

    Heavy Rain

    SSW 10kt
    4ft

    High: 75 °F

  • Saturday
    Night

    Showers

    SW 10kt
    4ft

    Low: 66 °F

  • Sunday

    Showers Likely

    W 10kt
    3-4ft

    High: 71 °F

  • Sunday
    Night

    Chance Showers

    WNW 10kt
    2-3ft

    Low: 61 °F

  • Monday

    Mostly Cloudy

    NW 10kt
    2ft

    High: 67 °F

  • Monday
    Night

    Mostly Cloudy

    NNE 10kt
    2ft

    Low: 61 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:18 pm CST Nov 30, 2023
Forecast Valid: 1am CST Dec 1, 2023-6pm CST Dec 7, 2023

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Detailed Forecast


Overnight
SSE wind 15 to 20 kt, with gusts as high as 30 kt. A slight chance of showers and thunderstorms after 4am. Seas around 6 ft.
Friday
S wind around 10 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am. Seas 4 to 6 ft.
Friday Night
SSE wind 10 to 15 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas around 4 ft.
Saturday
S wind around 10 kt becoming SW in the afternoon. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas around 4 ft.
Saturday Night
SW wind 5 to 10 kt. Showers and possibly a thunderstorm. Seas around 4 ft.
Sunday
W wind around 10 kt becoming NNW in the afternoon. Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers after 1pm. Seas 3 to 4 ft.
Sunday Night
WNW wind around 10 kt. A chance of showers, mainly before 7pm. Seas 2 to 3 ft.
Monday
NW wind around 10 kt. Mostly cloudy. Seas around 2 ft.
Monday Night
NNE wind around 10 kt. Mostly cloudy. Seas around 2 ft.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 29.04°N 89.74°W
Last Update: 4:18 pm CST Nov 30, 2023
Forecast Valid: 1am CST Dec 1, 2023-6pm CST Dec 7, 2023
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