Heavy Rain and Flash Flooding Possible Over Parts of the Eastern United States

Heavy rainfall is expected over portions of the eastern United States through Thursday. Flooding and flash flooding will be possible in some areas. Click the "Read More" link for excessive rainfall forecasts from the Weather Prediction Center.
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Last Update: 737 PM EDT WED SEP 28 2016

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New York, NY Local Forecast Office

17NM SE Islip NY

Marine Zone Forecast

...GALE WARNING IN EFFECT FROM 6 AM EDT THURSDAY THROUGH FRIDAY

Synopsis: HIGH PRESSURE OVER SOUTHERN QUEBEC WILL MAINTAIN A MOIST NORTHEAST FLOW OFF THE ATLANTIC OCEAN INTO THE WEEKEND AS LOW PRESSURE SPINS OVER THE OHIO VALLEY. THE HIGH DEPARTS AS A FRONTAL BOUNDARY MOVES THROUGH THIS WEEKEND. ANOTHER AREA OF HIGH PRESSURE BUILDS EARLY NEXT WEEK.

Tonight
NE winds 25 to 30 kt. Seas 7 to 10 ft. Periods of drizzle.
Thu
NE winds 25 to 30 kt. Seas 8 to 10 ft. Occasional drizzle.
Thu Night
NE winds 25 to 30 kt. Seas 8 to 10 ft. Drizzle with light rain likely in the evening...then rain after midnight with vsby 1 to 3 nm.
Fri
NE winds 25 to 30 kt. Seas 8 to 11 ft. Rain. Vsby 1 to 3 nm.
Fri Night
NE winds 20 to 25 kt...diminishing to 15 to 20 kt after midnight. Seas 7 to 10 ft...subsiding to 5 to 8 ft after midnight. Rain likely.
Sat
NE winds 15 to 20 kt...becoming E 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Rain likely.
Sat Night
E winds 5 to 10 kt. Seas around 4 ft. Rain likely.
Sun
E winds 5 to 10 kt...becoming N after midnight. Seas 3 to 4 ft. Chance of rain.
Mon
N winds 5 to 10 kt...becoming NE 10 to 15 kt after midnight. Seas 3 to 4 ft.
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ABOUT THIS FORECAST

Last Update: 737 PM EDT WED SEP 28 2016
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RADAR & SATELLITE IMAGES

Northeast Radar Mosaic Link to Satellite Data