Summary

Washington and Oregon waters- Inner waters from 60 nm to 150 nm offshore. Outer waters from 150 nm to 250 nm offshore. Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height.

Forecast

-Today: W to NW winds 20 to 30 kt. Seas 12 to 16 ft. Scattered showers.

-Tonight: W to SW winds 30 to 40 kt. Seas 14 to 19 ft.

-Sat: W winds 20 to 30 kt. Seas 17 to 20 ft. Scattered showers.

-Sat Night: S to SE winds 15 to 25 kt. Seas 13 to 17 ft. Chance of rain.

-Sun: S to SE winds 20 to 30 kt, becoming W 15 to 25 kt. Seas 12 to 14 ft.

-Sun Night: W to SW winds 10 to 20 kt, becoming S to SE 5 to 15 kt. Seas 12 to 18 ft.

-Mon: S to SE winds 20 to 30 kt. Seas 16 to 19 ft.

-Mon Night: S to SW winds 15 to 25 kt, becoming SW 10 to 15 kt. Seas 14 to 18 ft.

-Tue: SW winds 10 to 15 kt. Seas 13 to 23 ft.

-Tue Night: S to SW winds 5 to 15 kt. Seas 16 to 21 ft.

Issued By

NWS NWS Ocean Prediction Center

Areal Flood – Watch

From Fri, Dec 1, 10:23 AM PST To Thu, Dec 7, 4:00 AM PST

What

Flooding caused by excessive rainfall continues to be possible.

Where

Portions of northwest and west central Washington, including the following counties, in northwest Washington, Clallam, Grays Harbor, Island, Jefferson, Kitsap, Mason, San Juan, Skagit and Whatcom. In west central Washington, King, Lewis, Pierce, Snohomish and Thurston.

When

From Saturday evening through late Wednesday night.

Impacts

Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Extensive street flooding and flooding of creeks and rivers are possible.

Summary

* ADDITIONAL DETAILS… – Excessive rainfall from a long-duration atmospheric river event. Total rainfall forecast has increased with total liquid accumulation through Wednesday of next week ranging from 3 to 7 inches over the lowlands to upwards of 10 to 12 inches over the Cascades and 10 to 15 inches over the Olympics. – http://www.weather.gov/safety/flood You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Issued By

NWS Seattle WA