Active Weather Pattern Continues for the Northwestern U.S.

A series of Pacific storm systems will bring periods of locally heavy rain, gusty winds, and mountain snow to portions of Washington and Oregon for the next couple days. In addition, much of the northwestern U.S. and Intermountain West will experience strong winds from these storm systems, particularly in Sierra Nevada, Great Basin, and the northern Rockies/High Plains.
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Last Update: 605 AM EST Fri Nov 24 2017

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Philadelphia, PA Local Forecast Office

14NM SSE Lewes DE

Marine Zone Forecast


Synopsis: High pressure will shift offshore today. A cold front will move across the area during the day Saturday. High pressure builds across the region Monday, then offshore and to our south Monday night into Tuesday. A cold front is expected later Tuesday into Wednesday, though precipitation may dry out before reaching the east coast. High pressure is expected to briefly build across the area Wednesday night before weakening and lifting north of the area Thursday ahead of the next storm system for the end of the week.

Today
N winds around 5 kt, becoming S this afternoon. Seas 3 to 4 ft. Mainly in SE swell with a dominant period of 10 seconds.
Tonight
SW winds 5 to 10 kt. Seas 3 to 4 ft. Mainly in SE swell with a dominant period of 10 seconds.
Sat
SW winds around 10 kt. Seas around 3 ft. Mainly in SE swell with a dominant period of 9 seconds.
Sat Night
W winds 10 to 15 kt with gusts up to 20 kt, becoming NW 15 to 20 kt with gusts up to 30 kt after midnight. Seas 3 to 4 ft. Mainly in SE swell with a dominant period of 8 seconds.
Sun
NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft.
Sun Night
W winds around 15 kt with gusts up to 25 kt. Seas 3 to 4 ft.
Mon
NW winds around 15 kt. Seas around 3 ft in the morning, then 2 ft or less.
Mon Night
NW winds 10 to 15 kt, becoming NE 5 to 10 kt after midnight. Seas 2 ft or less.
Tue
SE winds 5 to 10 kt, becoming S 10 to 15 kt in the afternoon. Seas 2 ft or less, then around 3 ft in the afternoon.
Tue Night
SW winds around 15 kt. Seas 3 to 4 ft.
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Last Update: 605 AM EST Fri Nov 24 2017
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