Heavy to Excessive Rain for Southeast and Mid-Atlantic into this Weekend; High Winds in the Pacific Northwest Friday

Another southern storm system will bring heavy to excessive rainfall with a risk for severe thunderstorms from the central Gulf Coast to the Southeast Friday. This heavy rainfall will then spread across the Mid-Atlantic region late Friday into the Weekend. A strong cold front moving into the Pacific Northwest will bring strong, possibly damaging winds to the coast Friday.
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Last Update: 330 AM EST Fri Dec 14 2018

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Philadelphia, PA Local Forecast Office

27NM SSE New York NY

Marine Zone Forecast


Synopsis: High pressure over the Gulf of Maine continues to drift out to sea today. Low pressure over the lower Mississippi Valley will track to the north and east today, then a new low pressure system forms over the Mid-Atlantic tonight before moving out to sea on Saturday. Low pressure then continues to work its way through the region on Sunday. A cold front moves across the region on Monday, followed by high pressure for much of the new week.

Today
SE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt late. Seas 3 to 4 ft. Swell mainly from the E with a dominant period of 8 seconds. A chance of rain late.
Tonight
SE winds 5 to 10 kt. Seas around 3 ft. Swell mainly from the E with a dominant period of 9 seconds. rain likely early in the evening, then rain in the late evening and overnight. Patchy fog. Vsby 1 to 3 nm.
Sat
E winds 10 to 15 kt, becoming NE 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. Swell mainly from the SE with a dominant period of 12 seconds. rain. Patchy fog. Vsby 1 to 3 nm.
Sat Night
NE winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 4 to 7 ft, building to 6 to 9 ft after midnight. Swell mainly from the SE with a dominant period of 9 seconds. patchy fog early in the evening. Rain. Vsby 1 to 3 nm early in the evening.
Sun
NE winds 20 to 25 kt with gusts up to 35 kt. Seas 8 to 11 ft. Rain.
Sun Night
N winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 8 ft, subsiding to 4 to 7 ft after midnight. Rain.
Mon
NW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 4 to 6 ft. Rain likely in the morning.
Mon Night
NW winds 20 to 25 kt. Seas 3 to 5 ft.
Tue
NW winds 20 to 25 kt. Seas 3 to 5 ft.
Tue Night
NW winds 15 to 20 kt. Seas 3 to 4 ft.
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Last Update: 330 AM EST Fri Dec 14 2018
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