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

5NM E Boston MA

Marine Zone Forecast


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 5 to 10 kt, becoming N this afternoon. Waves 1 foot or less.
Tonight
NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft.
Sun
E winds 10 to 15 kt with gusts up to 25 kt. Waves 3 to 4 ft. A chance of rain in the morning, then rain likely in the afternoon.
Sun Night
NE winds 15 to 20 kt with gusts up to 30 kt. Waves around 5 ft. Rain.
Mon
NW winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft, except 6 to 7 ft at the outer harbor entrance. Rain likely in the morning.
Mon Night
NW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 35 kt. Waves around 2 ft, except 4 to 5 ft at the outer harbor entrance.
Tue
NW winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft.
Tue Night
NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Waves around 2 ft.
Wed
W winds around 10 kt. Waves 1 foot or less.
Wed Night
SW winds 5 to 10 kt. Waves 1 foot or less. 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.

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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Last Update: 417 AM EST Sat Dec 15 2018
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