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

Ponce PR

Marine Point Forecast

[NOTICE]

Overnight
Low: 72 °F
Light Wind
< 1ft
Wednesday
High: 84 °F
ESE 12kt
< 1ft
Wednesday Night
Low: 74 °F
ENE 9kt
< 1ft
Thursday
High: 85 °F
E 14kt
< 1ft
Thursday Night
Low: 74 °F
ENE 7kt
< 1ft
Friday
High: 85 °F
ENE 13kt
< 1ft
Friday Night
Low: 74 °F
ENE 8kt
< 1ft
Saturday
High: 85 °F
E 14kt
< 1ft
Saturday Night
Low: 74 °F
ENE 8kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:37 pm EST Dec 9, 2025
Forecast Valid: 12am EST Dec 10, 2025-6pm EST Dec 16, 2025

View Nearby Observations

Detailed Forecast

Overnight

Variable winds 5 kt or less. Clear. Seas 1 ft or less.

Wednesday

NE wind 5 to 12 kt becoming ESE in the afternoon. Winds could gust as high as 21 kt. Isolated showers before 11am, then isolated showers after 5pm. Seas 1 ft or less.

Wednesday Night

ENE wind 5 to 9 kt. Scattered showers, mainly before 11pm. Seas 1 ft or less.

Thursday

E wind 8 to 14 kt, with gusts as high as 23 kt. Isolated showers. Seas 1 ft or less.

Thursday Night

ENE wind around 7 kt. Isolated showers. Seas 1 ft or less.

Friday

ENE wind 7 to 13 kt, with gusts as high as 22 kt. Isolated showers before 11am. Seas 1 ft or less.

Friday Night

ENE wind 5 to 8 kt. Partly cloudy. Seas 1 ft or less.

Saturday

E wind 7 to 14 kt, with gusts as high as 24 kt. Sunny. Seas 1 ft or less.

Saturday Night

ENE wind around 8 kt. Mostly clear. Seas 1 ft or less.

*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.