Vigorous System Impacting the Northwest; Large System To Affect East

A potent storm system is delivering heavy rainfall, strong winds, rough surf and beach erosion along the Pacific Northwest coast with mountain snow inland. Expect a couple more systems to arrive late week into the weekend. Meanwhile, another developing large scale system will deliver a heavy rain and renewed flood threat to much of the East late Wednesday through Friday, which may impact travel.
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Hazardous Weather Conditions

Small Craft Advisory until December 19, 12:00 PM PST

For More Weather Information:

Portland, OR Local Forecast Office

22NM WSW Long Beach WA

Marine Point Forecast

[NOTICE]

This
Afternoon
SW 24kt
17ft

Small Craft Advisory
Tonight

WSW 23kt
19ft

Small Craft Advisory
Wednesday

SW 12kt
19-21ft

Small Craft Advisory
Wednesday
Night
S 33kt
18-20ft
Thursday

SSW 47kt
33ft
Thursday
Night
WNW 22kt
23-24ft
Friday

SSE 16kt
14ft
Friday
Night
SSW 26kt
11ft
Saturday

SSE 19kt
10ft

Associated Zone Forecast which includes this point

Last Update: 9:32 am PST Dec 18, 2018
Forecast Valid: 12pm PST Dec 18, 2018-6pm PST Dec 24, 2018

View Nearby Observations

Detailed Forecast

Synopsis: A broad area of low pres will remain over the Gulf of Alaska. A series of strong fronts will move across the waters this week. First front over the coastal waters will move inland this morning. Another strong front will push across the coastal waters later Wed night into Thu.

This Afternoon

SW wind around 24 kt, with gusts as high as 30 kt. Showers and possibly a thunderstorm. W swell 16 ft at 14 seconds. Wind waves around 6 ft.

Tonight

WSW wind around 23 kt, with gusts as high as 29 kt. Showers likely, mainly before 10pm. W swell 18 ft at 14 seconds. Wind waves 5 to 6 ft.

Wednesday

SW wind 9 to 12 kt becoming S in the afternoon. Rain likely, mainly after 4pm. W swell 20 ft at 15 seconds building to at 18 seconds . Wind waves 2 to 3 ft.

Wednesday Night

SE wind 21 to 26 kt becoming S 28 to 33 kt after midnight. Winds could gust as high as 40 kt. Rain. W swell 16 to 18 ft. Wind waves 4 ft building to 12 ft.

Thursday

SSW wind 42 to 47 kt becoming W 35 to 40 kt in the afternoon. Winds could gust as high as 55 kt. Showers. WSW swell 25 ft. Wind waves 21 ft subsiding to 15 ft.

Thursday Night

WNW wind 16 to 22 kt, with gusts as high as 29 kt. Rain. W swell 23 ft. Wind waves 3 to 5 ft.

Friday

W wind 8 to 16 kt becoming SSE in the morning. A chance of showers. WNW swell 14 ft. Wind waves 2 to 3 ft.

Friday Night

SSW wind around 26 kt, with gusts as high as 32 kt. A chance of rain. WNW swell 9 ft. Wind waves around 7 ft.

Saturday

SSE wind 10 to 19 kt. Rain likely. W swell 9 ft. Wind waves 2 ft building to 5 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.