Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

San Juan, PR Local Forecast Office

5NM NE San Juan PR

Marine Point Forecast

[NOTICE]

Today
High: 83 °F
E 11kt
4ft
Tonight
Low: 82 °F
E 9kt
5ft
Friday
High: 83 °F
E 14kt
5ft
Friday Night
Low: 82 °F
E 12kt
5ft
Saturday
High: 83 °F
E 15kt
5ft
Saturday Night
Low: 82 °F
E 10kt
4ft
Sunday
High: 83 °F
ESE 12kt
4ft
Sunday Night
Low: 82 °F
ESE 9kt⇓
4ft
Monday
High: 83 °F
⇑E 9kt
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:25 am EST Dec 11, 2025
Forecast Valid: 11am EST Dec 11, 2025-6pm EST Dec 17, 2025

View Nearby Observations

Detailed Forecast

Today

E wind around 11 kt. Scattered showers. Seas around 4 ft.

Tonight

E wind 7 to 9 kt. Scattered showers, mainly before 5am. Seas around 5 ft.

Friday

E wind 10 to 14 kt, with gusts as high as 20 kt. Isolated showers before 8am. Seas around 5 ft.

Friday Night

E wind 9 to 12 kt. Scattered showers. Seas around 5 ft.

Saturday

E wind 10 to 15 kt, with gusts as high as 21 kt. Scattered showers, mainly before 11am. Seas around 5 ft.

Saturday Night

E wind 8 to 10 kt. Showers likely. Seas around 4 ft.

Sunday

ESE wind 8 to 12 kt. Scattered showers. Seas around 4 ft.

Sunday Night

ESE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Scattered showers. Seas around 4 ft.

Monday

Variable winds less than 5 kt becoming E 5 to 9 kt in the morning. 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.