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: 1204 PM EDT Sun Aug 20 2017

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New York, NY Local Forecast Office

10NM E Islip NY

Marine Zone Forecast


Synopsis: ANZ300-210415- 1204 PM EDT Sun Aug 20 2017 .Synopsis for the Long Island Waters and New York Harbor... High pressure building into the region today, will settle to the south and east Monday through Tuesday. A frontal system will approach Tuesday night, and move across on Wednesday. High pressure will then build in on Thursday. $$

This Afternoon
W winds around 10 kt. Waves around 1 ft.
Tonight
NW winds 5 to 10 kt. Waves 1 ft or less.
Mon
W winds around 5 kt, becoming SW 10 to 15 kt in the afternoon. Waves 1 ft or less in the morning, then 1 to 2 ft.
Mon Night
SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Waves 1 to 2 ft in the evening, then 1 ft or less.
Tue
SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 ft or less, then 1 to 2 ft in the afternoon.
Tue Night
SW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Chance of showers and tstms.
Wed
W winds 10 to 15 kt. Waves 1 to 2 ft. Chance of showers and tstms.
Wed Night
NW winds around 10 kt. Waves around 1 ft.
Thu
NW winds 5 to 10 kt. Waves 1 ft or less.
Thu Night
NW winds around 5 kt, becoming N after midnight. Waves 1 ft or less. winds and waves higher in and near tstms.

Winds and waves higher in and near tstms.
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Last Update: 1204 PM EDT Sun Aug 20 2017
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