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

6NM SE Ponce PR

Marine Point Forecast

[NOTICE]

Overnight
Low: 82 °F
NE 6kt
2ft
Tuesday
High: 83 °F
ESE 13kt
2ft
Tuesday Night
Low: 82 °F
E 9kt⇓
2ft
Wednesday
High: 83 °F
E 12kt
2ft
Wednesday Night
Low: 82 °F
ENE 9kt
2ft
Thursday
High: 83 °F
E 15kt
2ft
Thursday Night
Low: 82 °F
ENE 10kt
2ft
Friday
High: 83 °F
ENE 15kt
2ft
Friday Night
Low: 82 °F
ENE 10kt
2ft

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: 12am EST Dec 9, 2025-6pm EST Dec 15, 2025

View Nearby Observations

Detailed Forecast

Overnight

NE wind around 6 kt. Isolated showers. Seas around 2 ft.

Tuesday

NE wind 5 to 13 kt becoming ESE in the afternoon. Scattered showers, mainly before 11am. Seas around 2 ft.

Tuesday Night

E wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 2 ft.

Wednesday

E wind 5 to 12 kt. Sunny. Seas around 2 ft.

Wednesday Night

ENE wind 7 to 9 kt. Isolated showers. Seas around 2 ft.

Thursday

E wind 8 to 15 kt. Isolated showers. Seas around 2 ft.

Thursday Night

ENE wind 8 to 10 kt. Mostly clear. Seas around 2 ft.

Friday

ENE wind 10 to 15 kt. Mostly sunny. Seas around 2 ft.

Friday Night

ENE wind 8 to 10 kt. Partly cloudy. Seas around 2 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.