Heavy Rain and Snowmelt Threatens Flooding in Southeast and Mid-Atlantic; Strong Cold Front Presses Across the Northwest

A southern storm system will bring heavy to excessive rain from the Southeast to the Mid-Atlantic through Saturday with a secondary heavy rain threat area from the Lower Mississippi Valley into the Ohio Valley. Out West, a strong cold front will continue rain, mountain snow and gusty winds into Saturday morning. Another front will bring more unsettled weather to the region by Sunday.
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Last Update: 417 AM EST Sat Dec 15 2018

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Norton, MA Local Forecast Office

24NM WSW Hyannis MA

Marine Zone Forecast

...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY

Synopsis: ANZ200-152230- 417 AM EST Sat Dec 15 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... An series of low pres systems track S of srn New England this weekend into Monday. High pres builds back towards the waters from the W Tue into Wed. For information on possible hazardous weather beyond the 24-36 hour forecast period, please visit www.weather.gov/boston and follow the Current Hazards link above the map on the left. $$

Today
W winds around 5 kt, becoming N this afternoon. Seas around 2 ft. Patchy fog. Showers likely, mainly this morning. Vsby 1 nm or less, increasing to 1 to 3 nm this afternoon.
Tonight
NE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas around 4 ft.
Sun
NE winds 15 to 20 kt with gusts up to 30 kt. Seas around 6 ft. Rain.
Sun Night
NE winds 15 to 20 kt with gusts up to 30 kt. Seas around 6 ft. Rain. Vsby 1 to 3 nm.
Mon
NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 4 to 5 ft. A chance of rain in the morning.
Mon Night
NW winds 20 to 25 kt with gusts up to 35 kt. Seas around 5 ft.
Tue
NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 5 ft.
Tue Night
NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Seas around 4 ft, subsiding to 2 ft after midnight.
Wed
W winds 10 to 15 kt. Seas around 2 ft.
Wed Night
W winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.
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ABOUT THIS FORECAST

Last Update: 417 AM EST Sat Dec 15 2018
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