Unsettled Across the West; Increasingly Rainy with a Few Storms in the South

A frontal system will bring heavy precipitation, including mountain snowfall to much of the Pacific Northwest, northern California, and portions of the Rockies through Tuesday. Elsewhere, wet weather will return to much of the South with locally heavy rainfall; a few strong to severe thunderstorms will also be possible in this region by Tuesday.
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Coastal Waters Forecast for Waters from Cape Shoalwater WA to Cascade Head OR from 10 to 60 nm (PZZ270) (Text-Only)
NWS Forecast for: Waters from Cape Shoalwater WA to Cascade Head OR from 10 to 60 nm (PZZ270)
Issued by: National Weather Service Portland, OR
Last Update: 851 AM PST Mon Dec 18 2017




Today: W wind 5 to 10 kt, backing to S in the afternoon. Wind waves W 3 ft at 4 seconds, shifting to the S at 4 seconds in the afternoon. W swell 7 ft at 11 seconds. Rain likely.

Tonight: S wind 20 to 25 kt, rising to 25 to 30 kt after midnight. Combined seas 11 ft with a dominant period of 15 seconds. Rain.

Tue: SW wind 30 to 35 kt, easing to 25 kt in the afternoon. Gusts to 45 kt in the late morning and early afternoon35 kt. Combined seas 18 ft with a dominant period of 13 seconds. Rain in the morning, then showers in the afternoon.

Tue Night: W wind 20 to 25 kt, rising to 25 to 30 kt after midnight. Wind waves W 8 ft at 8 seconds. W swell 12 ft at 13 seconds. Showers.

Wed: NW wind 20 to 25 kt. Wind waves NW 6 ft at 7 seconds. NW swell 13 ft at 12 seconds.

Wed Night: N wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Wind waves N 2 ft at 4 seconds. NW swell 14 ft at 13 seconds.

Thu: N wind 5 to 10 kt. Wind waves 2 ft. NW swell 9 ft.

Fri: N wind 10 to 15 kt. Wind waves 4 ft. W swell 7 ft.



Zone Forecast: Waters from Cape Shoalwater WA to Cascade Head OR from 10 to 60 nm (PZZ270)

Visit your local NWS office at: http://www.wrh.noaa.gov/pqr