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

15NM SSE Mayaguez PR

Marine Point Forecast

[NOTICE]

Overnight
Low: 82 °F
ENE 7kt
2ft
Tuesday
High: 83 °F
ESE 15kt
2ft
Tuesday Night
Low: 82 °F
E 10kt
2ft
Wednesday
High: 83 °F
E 13kt
2ft
Wednesday Night
Low: 82 °F
E 9kt
2ft
Thursday
High: 83 °F
⇑ESE 19kt
2ft
Thursday Night
Low: 82 °F
E 11kt
2ft
Friday
High: 83 °F
ESE 18kt
2-3ft
Friday Night
Low: 82 °F
E 11kt
2-3ft

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: 11pm EST Dec 8, 2025-6pm EST Dec 15, 2025

View Nearby Observations

Detailed Forecast

Overnight

ENE wind around 7 kt. Isolated showers after 2am. Seas around 2 ft.

Tuesday

ESE wind 5 to 15 kt. Isolated showers before 11am. Seas around 2 ft.

Tuesday Night

E wind 7 to 10 kt. Clear. Seas around 2 ft.

Wednesday

E wind 7 to 13 kt. Isolated showers after 11am. Seas around 2 ft.

Wednesday Night

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

Thursday

ESE wind 6 to 11 kt increasing to 14 to 19 kt in the morning. Isolated showers after 11am. Seas around 2 ft.

Thursday Night

E wind 6 to 11 kt. Mostly clear. Seas around 2 ft.

Friday

ESE wind 11 to 18 kt. Sunny. Seas 2 to 3 ft.

Friday Night

E wind 5 to 11 kt. Partly cloudy. Seas 2 to 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.