Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

San Juan, PR Local Forecast Office

58NM N Hatillo PR

Marine Point Forecast

[NOTICE]

Tonight
Low: 82 °F
SE 14kt
4-5ft
Tuesday
High: 83 °F
ESE 13kt
4ft
Tuesday Night
Low: 82 °F
ESE 16kt
4ft
Wednesday
High: 83 °F
E 14kt
4ft
Wednesday Night
Low: 82 °F
E 17kt
4-5ft
Thursday
High: 83 °F
E 17kt
5-6ft
Thursday Night
Low: 82 °F
E 17kt
6ft
Friday
High: 83 °F
E 17kt
5-6ft
Friday Night
Low: 82 °F
E 17kt
5-6ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:56 pm EST Dec 8, 2025
Forecast Valid: 9pm EST Dec 8, 2025-6pm EST Dec 15, 2025

View Nearby Observations

Detailed Forecast

Tonight

SE wind 10 to 14 kt. Isolated showers after 11pm. Seas 4 to 5 ft.

Tuesday

ESE wind 9 to 13 kt. Showers likely, mainly before 2pm. Seas around 4 ft.

Tuesday Night

ESE wind 11 to 16 kt. Scattered showers before 8pm, then isolated showers after 11pm. Seas around 4 ft.

Wednesday

E wind 9 to 14 kt. Isolated showers after 11am. Seas around 4 ft.

Wednesday Night

E wind 14 to 17 kt, with gusts as high as 23 kt. Mostly clear. Seas 4 to 5 ft.

Thursday

E wind around 17 kt, with gusts as high as 23 kt. Scattered showers, mainly after 11am. Seas 5 to 6 ft.

Thursday Night

E wind 14 to 17 kt, with gusts as high as 23 kt. Partly cloudy. Seas around 6 ft.

Friday

E wind 14 to 17 kt, with gusts as high as 23 kt. Mostly sunny. Seas 5 to 6 ft.

Friday Night

E wind 14 to 17 kt, with gusts as high as 23 kt. Partly cloudy. Seas 5 to 6 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.