Heavy Rain and Flooding, and Significant Wintry Impacts for the Central U.S.

A strong frontal boundary slowing as it moves into the central U.S. will tap into deep moisture to produce heavy rain and flooding, and a significant ice storm. Rain totals up to 7 inches, with isolated higher amounts, will be possible. Significant icing up to a third of an inch may occur in the central Plains and Middle Missouri Valley. Continued cold weather with snow to low elevations out west.
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Coastal Waters Forecast for Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island (ANZ256) (Text-Only)
NWS Forecast for: Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island (ANZ256)
Issued by: National Weather Service Taunton, MA
Last Update: 716 PM EST Tue Feb 20 2018
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Tonight: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Areas of dense fog. Areas of heavy drizzle after midnight. Vsby 1 nm or less.

Wed: SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Areas of dense fog. Areas of heavy drizzle. Vsby 1 nm or less.

Wed Night: SW winds 15 to 20 kt, becoming NW around 10 kt after midnight. Seas 4 to 7 ft. Patchy fog.

Thu: NE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Rain likely.

Thu Night: NE winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 4 ft. A chance of rain.

Fri: E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of rain.

Fri Night: SE winds 10 to 15 kt, becoming SW after midnight. Seas around 3 ft. Rain likely.

Sat: W winds 5 to 10 kt. Seas around 3 ft. A chance of rain.

Sat Night: NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of rain.

Sun: SE winds around 15 kt with gusts up to 20 kt. Seas 4 to 7 ft. Rain likely.

Sun Night: W winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to 9 ft. A chance of rain. 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.



Zone Forecast: Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island (ANZ256)

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