Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Small Craft Advisory until December 10, 10:00 PM PST

For More Weather Information:

Portland, OR Local Forecast Office

32NM WSW Long Beach WA

Marine Point Forecast

[NOTICE]

This Afternoon
S 20kt
11ft

Small Craft Advisory
Tonight
SW 27kt
14ft

Small Craft Advisory
Wednesday
SW 27kt
13-14ft

Small Craft Advisory
Wednesday Night
WSW 23kt
11-13ft

Small Craft Advisory
Thursday
WNW 10kt
9-10ft
Thursday Night
SE 8kt
7-8ft
Friday
SW 8kt
6-7ft
Friday Night
SW 8kt
5ft
Saturday
S 14kt
6-7ft

Associated Zone Forecast which includes this point

Last Update: 4:00 pm PST Dec 9, 2025
Forecast Valid: 4pm PST Dec 9, 2025-6pm PST Dec 16, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING...

This Afternoon

S wind 18 to 20 kt. Rain. W swell 11 ft at 13 seconds. Wind waves around 5 ft.

Tonight

SW wind 24 to 27 kt. Rain. WSW swell 11 to 12 ft at 11 seconds. Wind waves around 7 ft.

Wednesday

SW wind 25 to 27 kt. Rain. WSW swell 12 ft at 11 seconds. Wind waves 5 to 7 ft.

Wednesday Night

WSW wind 16 to 23 kt. Rain. W swell 12 ft. Wind waves 3 to 5 ft.

Thursday

WNW wind 8 to 10 kt becoming E in the afternoon. Rain. W swell 9 to 10 ft. Wind waves 1 to 2 ft.

Thursday Night

SE wind around 8 kt becoming SSW after midnight. Rain. W swell 8 ft. Wind waves around 1 ft.

Friday

SW wind around 8 kt. Rain likely, mainly before 10am. W swell 6 to 7 ft. Wind waves around 1 ft.

Friday Night

SW wind around 8 kt. A chance of rain. W swell 5 ft. Wind waves around 1 ft.

Saturday

S wind 9 to 14 kt. Rain likely. W swell 6 ft. Wind waves 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.