Heavy precipitation for parts of the Pacific Northwest

Moisture will continue to stream into the Pacific Northwest for the next several days. Heavy rain will continue along the coast, while heavy snow will impact the highest elevations of the Cascades. In the northern Plains and Upper Great Lakes, more arctic air will bring periods of snow, blustery winds and cold wind chills. Light snow is also possible in New England and the Ohio Valley.
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Last Update: 918 AM EST Wed Nov 22 2017

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Philadelphia, PA Local Forecast Office

6NM WNW Fenwick Island Buoy DE

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
Synopsis: Low pressure and a cold front off the mid Atlantic coast will move east of New England this afternoon. High pressure will build toward the area tonight, and control the weather Thursday and Friday. A cold front is forecast to move across the area on Saturday while an area of low pressure moves northeastward offshore the Mid Atlantic coast. High pressure builds across the area Monday, then offshore Tuesday.

This Afternoon
NW winds 10 to 15 kt, increasing to 20 to 25 kt. Gusts up to 30 kt. Seas 3 to 5 ft. Mainly in developing NW swell with a dominant period of 5 seconds. Widespread showers early, then isolated showers early.
Tonight
N winds 20 to 25 kt with gusts up to 30 kt, diminishing to 15 to 20 kt with gusts up to 25 kt after midnight. Seas 3 to 5 ft. Mainly in N swell with a dominant period of 5 seconds.
Thu
NW winds 10 to 15 kt, becoming W 5 to 10 kt late. Seas 3 to 5 ft. Mainly in SE swell with a dominant period of 9 seconds.
Thu Night
W winds around 10 kt. Seas 3 to 4 ft. Mainly in SE swell with a dominant period of 9 seconds.
Fri
NW winds 5 to 10 kt, becoming SW in the afternoon. Seas around 3 ft.
Fri Night
S winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 4 ft.
Sat
SW winds around 10 kt. Seas 3 to 4 ft.
Sat Night
W winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Seas 3 to 4 ft.
Sun
NW winds 15 to 20 kt, increasing to 20 to 25 kt in the afternoon. Seas 3 to 5 ft.
Sun Night
NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 3 to 5 ft.
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ABOUT THIS FORECAST

Last Update: 918 AM EST Wed Nov 22 2017
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