Storm Moving Through the Upper Midwest to the Northeast

Heavy rain and the potential for strong thunderstorms along and east of the Appalachians will precede a cold front, while snow showers will fall behind the front in the Ohio Valley, Upper Midwest and Great Lake States. Rain-on-snow flooding is possible in portions of New England and New York State. Rain and high elevation snow will return to the west.
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Last Update: 1156 AM EST SAT FEB 25 2017

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New York, NY Local Forecast Office

17NM SE Islip NY

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

Synopsis: A COLD FRONT APPROACHES FROM THE WEST INTO THIS AFTERNOON...THEN CROSSES THE AREA FROM LATE THIS AFTERNOON INTO THIS EVENING. HIGH PRESSURE THEN BUILDS IN BEHIND THE FRONT TO THE SOUTH OF LONG ISLAND THROUGH SUNDAY NIGHT...THEN SLIDES OFF TO THE SOUTHEAST MONDAY AND MONDAY NIGHT. A COMPLEX STORM SYSTEM THEN IMPACTS THE AREA TUESDAY AND WEDNESDAY.

This Afternoon
SE winds 10 to 15 kt. Seas 4 to 5 ft.
Tonight
SW winds 15 to 20 kt with gusts up to 25 kt...becoming W 25 to 30 kt after midnight. Seas 5 to 8 ft. Showers in the evening with vsby 1 to 3 nm.
Sun
W winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 7 ft.
Sun Night
W winds 15 to 20 kt...diminishing to 10 to 15 kt after midnight. Seas subsiding to 3 to 5 ft.
Mon
SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 4 ft.
Mon Night
SW winds 10 to 15 kt...becoming S 5 to 10 kt after midnight. Seas 2 to 4 ft.
Tue
S winds 5 to 10 kt. Seas 2 to 3 ft. Chance of showers in the daytime.
Wed
SW winds 5 to 10 kt...increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft...building to 6 to 9 ft. Chance of showers.
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ABOUT THIS FORECAST

Last Update: 1156 AM EST SAT FEB 25 2017
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RADAR & SATELLITE IMAGES

Northeast Radar Mosaic Link to Satellite Data