Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

San Juan, PR Local Forecast Office

18NM E Ponce PR

Marine Point Forecast

[NOTICE]

Wednesday
High: 83 °F
E 12kt
2ft
Wednesday Night
Low: 82 °F
E 11kt
2ft
Thursday
High: 83 °F
ESE 14kt
2ft
Thursday Night
Low: 82 °F
ENE 8kt
2ft
Friday
High: 83 °F
E 14kt
2-3ft
Friday Night
Low: 82 °F
ENE 8kt
2ft
Saturday
High: 83 °F
E 16kt
2-3ft
Saturday Night
Low: 82 °F
ENE 10kt
3ft
Sunday
High: 83 °F
E 12kt
3ft

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: 3am EST Dec 10, 2025-6pm EST Dec 16, 2025

View Nearby Observations

Detailed Forecast

Wednesday

E wind 6 to 12 kt. Isolated showers between 8am and 2pm. Seas around 2 ft.

Wednesday Night

E wind 7 to 11 kt. Scattered showers, mainly before 2am. Seas around 2 ft.

Thursday

ESE wind 8 to 14 kt. Scattered showers, mainly between 8am and 11am. Seas around 2 ft.

Thursday Night

ENE wind around 8 kt. Isolated showers. Seas around 2 ft.

Friday

E wind 9 to 14 kt, with gusts as high as 20 kt. Isolated showers before 11am. Seas 2 to 3 ft.

Friday Night

ENE wind around 8 kt. Isolated showers. Seas around 2 ft.

Saturday

E wind 9 to 16 kt. Sunny. Seas 2 to 3 ft.

Saturday Night

ENE wind 8 to 10 kt. Partly cloudy. Seas around 3 ft.

Sunday

E wind 8 to 12 kt. Mostly sunny. Seas around 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.