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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Gray/Portland, ME Local Forecast Office

4NM E Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Tonight

    Scattered Showers

    S 10kt
    2ft

    Low: 42 °F

  • Saturday

    Showers

    SW 10kt
    1-2ft

    High: 59 °F

  • Saturday
    Night

    Scattered Showers

    W 10kt
    2ft

    Low: 41 °F

  • Sunday

    Sunny

    WSW 10kt
    1ft

    High: 53 °F

  • Sunday
    Night

    Mostly Clear

    WSW 10kt
    1ft

    Low: 40 °F

  • Monday

    Sunny

    WNW 10kt
    1ft

    High: 49 °F

  • Monday
    Night

    Mostly Clear

    WSW 10kt
    1ft

    Low: 37 °F

  • Tuesday

    Mostly Sunny

    Winds IncreasingSSE 15kt
    1ft

    High: 51 °F

  • Tuesday
    Night

    Mostly Cloudy

    S 15kt
    2ft

    Low: 44 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:00 pm EDT Apr 19, 2024
Forecast Valid: 10pm EDT Apr 19, 2024-6pm EDT Apr 26, 2024

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Detailed Forecast


Tonight
S wind around 10 kt. Scattered showers, mainly after 4am. Seas around 2 ft.
Saturday
SW wind 5 to 10 kt. Showers, mainly before 2pm. Seas 1 to 2 ft.
Saturday Night
W wind around 10 kt, with gusts as high as 20 kt. Scattered showers, mainly before 8pm. Seas around 2 ft.
Sunday
W wind around 10 kt becoming WSW in the afternoon. Sunny. Seas around 1 ft.
Sunday Night
WSW wind around 10 kt. Mostly clear. Seas around 1 ft.
Monday
WNW wind around 10 kt. Sunny. Seas around 1 ft.
Monday Night
WSW wind 5 to 10 kt becoming WNW after midnight. Mostly clear. Seas around 1 ft.
Tuesday
SSW wind 5 to 8 kt becoming SSE 10 to 15 kt in the afternoon. Mostly sunny. Seas around 1 ft.
Tuesday Night
S wind around 15 kt, with gusts as high as 20 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: 43.06°N 70.69°W
Last Update: 8:00 pm EDT Apr 19, 2024
Forecast Valid: 10pm EDT Apr 19, 2024-6pm EDT Apr 26, 2024
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