Brief Storm for Monday on Washington Coast, Oregon Coast Then Sun

Published 11/14/21 at 2:49 PM PST
By Oregon Coast Beach Connection staff

(Cannon Beach, Oregon) – [UPDATE: HIGH WIND WATCH FOR OREGON COAST / WASH COAST ON MONDAY] - The big rains and most of the flooding are primarily over for awhile on the Oregon coast and Washington coast, after Lincoln County and Tillamook County experienced some dangerous flood situations Friday. But the National Weather Service (NWS) said to look for a bit of a storm on Monday, including large waves, as both coastlines then move into a partly sunny pattern for a few days. (Photo courtesy Seaside Aquarium / Tiffany Boothe)

Next weekend may bring yet another storm. For now, however, no more atmospheric river. The NWS issued a high wind watch for the central Oregon coast through the southern Washington coast, in effect Monday morning through the afternoon, with the possibility of gusts up to 60 mph.

This fair amount of clearing happens just in time for a wild lunar eclipse and the peak of the Leonid meteor showers.

“An area of moderate to heavy rain associated with an atmospheric river will largely remain north of the region for the remainder of the weekend before sliding southeastward across the region rather quickly on Monday,” the NWS said. “Cooler and drier weather will return midweek before additional storm systems are possible late in the work week.”

See Oregon Coast Weather - Washington Coast Weather

Monday, the break in the rain stops, with hourly rainfall expected at perhaps half an inch or so across the Willapa Hills of the Washington coast and the Oregon Coast Range. The NWS said that should happen rather quickly though, with the bulk of the rain happening in a three to six-hour period.

“Nonetheless, sharp rises on creeks and smaller rivers are expected on Monday,” the NWS said. “The Grays River appears likely to get very closeto or exceed minor flood stage based on 12-24 hour rain totals likely reaching 1.75-3.00" across the higher terrain of the Willapa Hills Sunday night into Monday.”

The Wilson River around the north Oregon coast may also see some more flooding that day.

Then come some sizable winds.

“Some model scenarios suggest prefrontal winds will strengthen sufficiently and pressure gradients will be open enough to result in low end high wind gusts of 60-65 mph along at least the beaches and headlands along the coast, particularly north of Tillamook Monday,” the NWS said. “However, the majority of the ensemble members suggest winds will remain below warning thresholds. Will hold off on any wind highlights as a result for now.”

From Tuesday onward is a period of “drying out,” the NWS said.

There will be some partly sunny days on the Washington coast and upper Oregon coast, but a bit more of that on the southern Oregon coast from Tuesday through Friday. Thursday night is when the big lunar eclipse happens.

Combined seas along the coastlines will be around 12 feet offshore on the northern areas Monday, but a bit lower farther south. This will make for some good wave action on the northern half of the Oregon coast, but not as much south. The rest of the week will see waves around 10 feet offshore, making for mildly entertaining waves against rocky areas.

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