Flooding Concerns in Puerto Rico; Thunderstorms Across the Southeast U.S.

Showers and thunderstorms capable of producing widespread heavy rainfall will be possible across much of Puerto Rico today. Heavy rainfall will likely lead to flash, urban and small stream flooding. Some areas may face life-threatening flooding. In the Southeast U.S., strong to marginally severe thunderstorms will be possible this afternoon.
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Charleston, SC Local Forecast Office

21NM NNE Altamaha Sound FL

Marine Point Forecast

[NOTICE]
  • Tonight

    Mostly Clear

    SW 16km/h
    1m
  • Saturday

    Slight Chc Thunderstorms

    S 14km/h
    1m
  • Saturday
    Night

    Chance Thunderstorms

    S 13km/h
    1m
  • Sunday

    Showers Likely

    N 13km/h
    1m
  • Sunday
    Night

    Showers

    N 23km/hWinds Decreasing
    1m
  • Monday

    Chance Showers

    NNE 27km/h
    1m
  • Monday
    Night

    Slight Chc Thunderstorms

    NNE 23km/h
    1m
  • Tuesday

    Sunny

    NNE 24km/h
    1m
  • Tuesday
    Night

    Mostly Clear

    E 18km/hWinds Decreasing
    1m

Associated Zone Forecast which includes this point

Last Update: 6:20 pm EDT Apr 19, 2024
Forecast Valid: 9pm EDT Apr 19, 2024-6pm EDT Apr 26, 2024

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Detailed Forecast


Tonight
SW wind 13 to 16 km/h. Mostly clear. Seas around 1 m.
Saturday
W wind 10 to 14 km/h becoming S in the afternoon. A slight chance of showers and thunderstorms after 4pm. Seas around 1 m.
Saturday Night
S wind 10 to 13 km/h becoming W after midnight. A chance of showers and thunderstorms, mainly before 1am. Seas around 1 m.
Sunday
WNW wind 11 to 13 km/h becoming SE in the afternoon. A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Seas around 1 m.
Sunday Night
N wind 20 to 23 km/h decreasing to 16 to 19 km/h in the evening. Showers and possibly a thunderstorm before 2am, then a chance of showers. Seas around 1 m.
Monday
NNE wind around 27 km/h, with gusts as high as 35 km/h. A chance of showers, with thunderstorms also possible after 2pm. Seas around 1 m.
Monday Night
NNE wind around 23 km/h. A slight chance of thunderstorms before 8pm. Seas around 1 m.
Tuesday
NNE wind 21 to 24 km/h. Sunny. Seas around 1 m.
Tuesday Night
E wind 13 to 18 km/h becoming variable and less than 5 km/h. Mostly clear. Seas around 1 m.

Winds and seas higher in and near tstms.

*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: 31.62°N 81.12°W
Last Update: 6:20 pm EDT Apr 19, 2024
Forecast Valid: 9pm EDT Apr 19, 2024-6pm EDT Apr 26, 2024
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