Arctic Air Plunges into the Great Lakes, Northeast and Mid-Atlantic

Arctic air dropping through the northern and eastern U.S. and a storm off the east coast will bring periods of snow, very cold wind chills and hazardous traveling conditions from the Upper Great Lakes to the Northeast. Meanwhile in southern California, Santa Ana winds will decrease but hot, dry air will remain over the area with elevated fire weather conditions.
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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: 343 PM EST Wed Dec 13 2017
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Tonight: W winds 25 to 30 kt with gusts up to 40 kt, diminishing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 7 to 10 ft. A chance of snow after midnight with vsby 1 nm or less.

Thu: N winds 10 to 15 kt, becoming NW 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 4 to 7 ft. Snow likely. Vsby 1 nm or less.

Thu Night: NW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft.

Fri: W winds 5 to 10 kt. Seas 3 to 5 ft.

Fri Night: W winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 4 to 6 ft. A chance of showers. Vsby 1 to 3 nm.

Sat: NW winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft.

Sat Night: NW winds 25 to 30 kt, diminishing to 15 to 20 kt after midnight. Seas 4 to 6 ft.

Sun: W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.

Sun Night: W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of light rain.

Mon: W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of light rain.

Mon Night: W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of light 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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