Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • Today

      Today:E wind around 16 kt, with gusts as high as 22 kt. Scattered showers, mainly between noon and 3pm.   Seas around 3 ft.

      High: 83 °F

      E 16kt
      3ft

    • Tonight

      Tonight:E wind 13 to 16 kt. Scattered showers.   Seas around 3 ft.

      Low: 82 °F

      E 16kt
      3ft

    • Thursday

      Thursday:E wind around 13 kt. Scattered showers, mainly before noon.   Seas around 3 ft.

      High: 83 °F

      E 13kt
      3ft

    • Thursday Night

      Thursday Night:E wind around 15 kt, with gusts as high as 21 kt. Isolated showers.   Seas around 3 ft.

      Low: 82 °F

      E 15kt
      3ft

    • Friday

      Friday:E wind around 16 kt, with gusts as high as 22 kt. Isolated showers.   Seas around 3 ft.

      High: 83 °F

      E 16kt
      3ft

    • Friday Night

      Friday Night:E wind around 16 kt, with gusts as high as 22 kt. Mostly clear. Seas around 3 ft.

      Low: 82 °F

      E 16kt
      3ft

    • Saturday

      Saturday:E wind around 16 kt, with gusts as high as 22 kt. Sunny. Seas around 3 ft.

      High: 83 °F

      E 16kt
      3ft

    • Saturday Night

      Saturday Night:E wind around 18 kt, with gusts as high as 25 kt. Scattered showers.   Seas around 3 ft.

      Low: 82 °F

      E 18kt
      3ft

    • Sunday

      Sunday:E wind around 18 kt, with gusts as high as 25 kt. Scattered showers.   Seas 3 to 4 ft.

      High: 83 °F

      E 18kt
      3-4ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:39 am EDT Mar 11, 2026
Forecast Valid: 5am EDT Mar 11, 2026-6pm EDT Mar 17, 2026

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Detailed Forecast


Today
E wind around 16 kt, with gusts as high as 22 kt. Scattered showers, mainly between noon and 3pm. Seas around 3 ft.
Tonight
E wind 13 to 16 kt. Scattered showers. Seas around 3 ft.
Thursday
E wind around 13 kt. Scattered showers, mainly before noon. Seas around 3 ft.
Thursday Night
E wind around 15 kt, with gusts as high as 21 kt. Isolated showers. Seas around 3 ft.
Friday
E wind around 16 kt, with gusts as high as 22 kt. Isolated showers. Seas around 3 ft.
Friday Night
E wind around 16 kt, with gusts as high as 22 kt. Mostly clear. Seas around 3 ft.
Saturday
E wind around 16 kt, with gusts as high as 22 kt. Sunny. Seas around 3 ft.
Saturday Night
E wind around 18 kt, with gusts as high as 25 kt. Scattered showers. Seas around 3 ft.
Sunday
E wind around 18 kt, with gusts as high as 25 kt. Scattered showers. Seas 3 to 4 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: 18.48°N 64.4°W
Last Update: 3:39 am EDT Mar 11, 2026
Forecast Valid: 5am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
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