Heavy Rainfall Across South Texas and the Northeast; Thunderstorms in the Southern Appalachians and Rio Grande Valley

Widespread showers and thunderstorms producing heavy rain may bring flooding to South Texas and parts of the Northeast U.S. tonight into Friday morning. Scattered severe thunderstorms with damaging gusts and large hail are expected over parts of the southern Appalachians, and Rio Grande Valley of Texas into Friday morning. Read More >

Hazardous Weather Conditions

For More Weather Information:

San Juan, PR Local Forecast Office

8NM E Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Friday

      Friday:ESE wind around 10 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers.   Seas around 1 ft.

      High: 82 °F

      ESE 10kt
      1ft

    • Friday Night

      Friday Night:E wind around 13 kt. Scattered showers, mainly after 3am.   Seas 1 to 2 ft.

      Low: 80 °F

      E 13kt
      1-2ft

    • Saturday

      Saturday:E wind around 14 kt, with gusts as high as 20 kt. Isolated showers.   Seas around 2 ft.

      High: 82 °F

      E 14kt
      2ft

    • Saturday Night

      Saturday Night:E wind 16 to 18 kt, with gusts as high as 24 kt. Isolated showers.   Seas around 2 ft.

      Low: 80 °F

      E 18kt
      2ft

    • Sunday

      Sunday:E wind around 18 kt, with gusts as high as 24 kt. Isolated showers.   Seas around 2 ft.

      High: 82 °F

      E 18kt
      2ft

    • Sunday Night

      Sunday Night:E wind around 18 kt, with gusts as high as 24 kt. Scattered showers.   Seas around 2 ft.

      Low: 80 °F

      E 18kt
      2ft

    • Monday

      Monday:E wind 16 to 18 kt, with gusts as high as 25 kt. Scattered showers before noon.   Seas 2 to 3 ft.

      High: 82 °F

      E 18kt
      2-3ft

    • Monday Night

      Monday Night:E wind around 19 kt, with gusts as high as 26 kt. Scattered showers.   Seas around 3 ft.

      Low: 80 °F

      E 19kt
      3ft

    • Tuesday

      Tuesday:E wind 17 to 19 kt, with gusts as high as 26 kt. Mostly sunny. Seas around 3 ft.

      High: 82 °F

      E 19kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:07 pm EDT May 8, 2025
Forecast Valid: 3am EDT May 9, 2025-6pm EDT May 15, 2025

View Nearby Observations

Detailed Forecast


Friday
ESE wind around 10 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers. Seas around 1 ft.
Friday Night
E wind around 13 kt. Scattered showers, mainly after 3am. Seas 1 to 2 ft.
Saturday
E wind around 14 kt, with gusts as high as 20 kt. Isolated showers. Seas around 2 ft.
Saturday Night
E wind 16 to 18 kt, with gusts as high as 24 kt. Isolated showers. Seas around 2 ft.
Sunday
E wind around 18 kt, with gusts as high as 24 kt. Isolated showers. Seas around 2 ft.
Sunday Night
E wind around 18 kt, with gusts as high as 24 kt. Scattered showers. Seas around 2 ft.
Monday
E wind 16 to 18 kt, with gusts as high as 25 kt. Scattered showers before noon. Seas 2 to 3 ft.
Monday Night
E wind around 19 kt, with gusts as high as 26 kt. Scattered showers. Seas around 3 ft.
Tuesday
E wind 17 to 19 kt, with gusts as high as 26 kt. Mostly sunny. Seas around 3 ft.

Winds and seas higher in and near thunderstorms.

*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: 18.33°N 64.8°W
Last Update: 9:07 pm EDT May 8, 2025
Forecast Valid: 3am EDT May 9, 2025-6pm EDT May 15, 2025
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