Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

San Juan, PR Local Forecast Office

31NM ENE Charlotte Amalie VI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 83 °F
E 19kt
4ft
Tonight
Low: 82 °F
E 19kt
4ft
Thursday
High: 83 °F
ESE 18kt
4ft
Thursday Night
Low: 82 °F
E 16kt
4ft
Friday
High: 83 °F
E 17kt
4ft
Friday Night
Low: 82 °F
E 20kt
4ft
Saturday
High: 83 °F
E 18kt
4ft
Saturday Night
Low: 82 °F
E 18kt
4ft
Sunday
High: 83 °F
E 19kt
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:34 am EST Dec 10, 2025
Forecast Valid: 2pm EST Dec 10, 2025-6pm EST Dec 16, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

E wind around 19 kt, with gusts as high as 25 kt. Isolated showers. Seas around 4 ft.

Tonight

E wind 16 to 19 kt, with gusts as high as 26 kt. Scattered showers, mainly after 2am. Seas around 4 ft.

Thursday

ESE wind 14 to 18 kt, with gusts as high as 24 kt. Scattered showers, mainly before 8am. Seas around 4 ft.

Thursday Night

E wind 11 to 16 kt, with gusts as high as 22 kt. Isolated showers before 11pm. Seas around 4 ft.

Friday

E wind 13 to 17 kt, with gusts as high as 23 kt. Isolated showers. Seas around 4 ft.

Friday Night

E wind 17 to 20 kt, with gusts as high as 27 kt. Scattered showers. Seas around 4 ft.

Saturday

E wind 16 to 18 kt, with gusts as high as 24 kt. Scattered showers. Seas around 4 ft.

Saturday Night

E wind 15 to 18 kt, with gusts as high as 24 kt. Scattered showers. Seas around 4 ft.

Sunday

E wind 15 to 19 kt, with gusts as high as 25 kt. Scattered showers. Seas around 4 ft.

*Notices:

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.
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.