Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

For More Weather Information:

San Juan, PR Local Forecast Office

8NM E Charlotte Amalie VI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:E wind around 15 kt. Scattered showers.   Seas around 2 ft.

      High: 84 °F

      E 15kt
      2ft

    • Tonight

      Tonight:ESE wind around 18 kt, with gusts as high as 25 kt. Scattered showers.   Seas around 3 ft.

      Low: 81 °F

      ESE 18kt
      3ft

    • Monday

      Monday:ESE wind 12 to 17 kt, with gusts as high as 23 kt. Isolated showers before 11am.   Seas 2 to 3 ft.

      High: 84 °F

      ESE 17kt
      2-3ft

    • Monday Night

      Monday Night:E wind around 12 kt. Scattered showers, mainly after 2am.   Seas around 2 ft.

      Low: 81 °F

      E 12kt
      2ft

    • Tuesday

      Tuesday:ESE wind 12 to 14 kt. Isolated showers before 11am.   Seas around 2 ft.

      High: 84 °F

      ESE 14kt
      2ft

    • Tuesday Night

      Tuesday Night:E wind 10 to 12 kt. Isolated showers.   Seas around 2 ft.

      Low: 81 °F

      E 12kt
      2ft

    • Wednesday

      Wednesday:E wind 11 to 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas around 2 ft.

      High: 84 °F

      E 16kt
      2ft

    • Wednesday Night

      Wednesday Night:E wind 16 to 19 kt, with gusts as high as 26 kt. Scattered showers.   Seas 2 to 3 ft.

      Low: 81 °F

      E 19kt
      2-3ft

    • Thursday

      Thursday:ESE wind 14 to 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas 2 to 3 ft.

      High: 84 °F

      ESE 16kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:34 pm EST Dec 7, 2025
Forecast Valid: 4pm EST Dec 7, 2025-6pm EST Dec 14, 2025

View Nearby Observations

Detailed Forecast


This Afternoon
E wind around 15 kt. Scattered showers. Seas around 2 ft.
Tonight
ESE wind around 18 kt, with gusts as high as 25 kt. Scattered showers. Seas around 3 ft.
Monday
ESE wind 12 to 17 kt, with gusts as high as 23 kt. Isolated showers before 11am. Seas 2 to 3 ft.
Monday Night
E wind around 12 kt. Scattered showers, mainly after 2am. Seas around 2 ft.
Tuesday
ESE wind 12 to 14 kt. Isolated showers before 11am. Seas around 2 ft.
Tuesday Night
E wind 10 to 12 kt. Isolated showers. Seas around 2 ft.
Wednesday
E wind 11 to 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas around 2 ft.
Wednesday Night
E wind 16 to 19 kt, with gusts as high as 26 kt. Scattered showers. Seas 2 to 3 ft.
Thursday
ESE wind 14 to 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas 2 to 3 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: 18.33°N 64.8°W
Last Update: 3:34 pm EST Dec 7, 2025
Forecast Valid: 4pm EST Dec 7, 2025-6pm EST Dec 14, 2025
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