Heavy rain and flash flooding possible in portions of the Southwest this weekend

An upper-level low in the Southwest U.S. will act as a trigger for thunderstorms this weekend. The area of greatest concern is in New Mexico, southeast Utah and portions of southern Colorado. Storms will be slow moving and could bring several rounds of rain to the same areas. Rainfall amounts may exceed 3 inches in localized areas. Flash Flood Watches are in effect.
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Last Update: 116 PM EDT Sun Aug 20 2017

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Taunton, MA Local Forecast Office

2NM WNW Portsmouth RI

Marine Zone Forecast


Synopsis: ANZ200-210600- 116 PM EDT Sun Aug 20 2017 .Synopsis for Massachusetts and Rhode Island coastal waters... High pres will build over the waters today through Mon. The high will move offshore Tue, allowing a cold front to approach Wed. Large high pres will begin to build over the region Thu. 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. $$

This Afternoon
W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.
Tonight
W winds 10 to 15 kt, becoming NW around 5 kt after midnight. Waves around 2 ft.
Mon
W winds around 5 kt, becoming SW 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 2 to 3 ft.
Mon Night
SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to around 5 kt after midnight. Waves 2 to 3 ft.
Tue
SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves around 2 ft. Patchy fog. Vsby 1 to 3 nm.
Tue Night
SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers and tstms.
Wed
SW winds 5 to 10 kt. Waves around 2 ft. A chance of showers and tstms. Some tstms may produce gusty winds, and heavy rainfall.
Wed Night
NW winds 5 to 10 kt. Waves around 2 ft.
Thu
NW winds around 5 kt. Waves 1 foot or less.
Thu Night
NW winds around 5 kt. Waves 1 foot or less. winds and waves higher in and near tstms. 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.

Winds and waves higher in and near tstms. 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: 116 PM EDT Sun Aug 20 2017
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