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

15NM SSE Mayaguez PR

Marine Point Forecast

[NOTICE]

Tonight
Low: 82 °F
E 12kt
2ft
Thursday
High: 83 °F
ESE 17kt
2ft
Thursday Night
Low: 82 °F
ENE 9kt⇓
2ft
Friday
High: 83 °F
E 18kt
2-3ft
Friday Night
Low: 82 °F
ENE 10kt
3ft
Saturday
High: 83 °F
⇑E 17kt
3ft
Saturday Night
Low: 82 °F
E 11kt⇓
2ft
Sunday
High: 83 °F
⇑ESE 18kt
2-3ft
Sunday Night
Low: 82 °F
E 13kt
2-3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:54 pm EST Dec 10, 2025
Forecast Valid: 7pm EST Dec 10, 2025-6pm EST Dec 17, 2025

View Nearby Observations

Detailed Forecast

Tonight

E wind 9 to 12 kt. Isolated showers before 11pm. Seas around 2 ft.

Thursday

ESE wind 9 to 17 kt. Isolated showers before 11am, then isolated showers after 5pm. Seas around 2 ft.

Thursday Night

ENE wind 5 to 9 kt becoming variable and less than 5 kt. Scattered showers, mainly between 8pm and 11pm. Seas around 2 ft.

Friday

E wind 9 to 18 kt. Isolated showers. Seas 2 to 3 ft.

Friday Night

ENE wind 6 to 10 kt. Isolated showers. Seas around 3 ft.

Saturday

E wind 6 to 11 kt increasing to 12 to 17 kt in the morning. Isolated showers after 11am. Seas around 3 ft.

Saturday Night

E wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Clear. Seas around 2 ft.

Sunday

ESE wind 5 to 10 kt increasing to 13 to 18 kt in the afternoon. Sunny. Seas 2 to 3 ft.

Sunday Night

E wind 5 to 13 kt. Mostly clear. Seas 2 to 3 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.