Major to record flooding continues over portions of the central U.S. Severe thunderstorms possible from the Mid Atlantic to the Northeast U.S.

Major to record flooding will continue over portions of eastern Oklahoma, northern Arkansas, Missouri, Illinois, and Indiana. Rivers will gradually recede over the next several days. Additional strong to severe thunderstorms will be possible Monday afternoon and evening over portions of the Mid Atlantic and Northeast U.S.Damaging winds, large hail, and isolated tornadoes will be possible.
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Last Update: 1235 AM EDT MON MAY 1 2017

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New York, NY Local Forecast Office

17NM SE Islip NY

Marine Zone Forecast

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

Synopsis: HIGH PRESSURE RETREATS OFF THE NEW ENGLAND COAST OVERNIGHT...GIVING WAY TO AN APPROACHING WARM FRONT. THE WARM FRONT PASSES TO THE NORTH MONDAY MORNING INTO AFTERNOON. A COLD FRONT SLOWLY CROSSES THE TRI- STATE MONDAY NIGHT AND TUESDAY MORNING...FOLLOWED BY HIGH PRESSURE BUILDING IN THROUGH WEDNESDAY NIGHT...THEN SLIDING OFFSHORE INTO THURSDAY. AN AREA OF LOW PRESSURE APPROACHES FROM THE SOUTHWEST FOR THE END OF THE WEEK.

Overnight
SE winds 15 to 20 kt...diminishing to 10 to 15 kt late. Seas 4 to 5 ft. Areas of drizzle and fog. Vsby 1 nm or less.
Mon
S winds 5 to 10 kt...increasing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Areas of drizzle and fog in the morning with vsby 1 nm or less.
Mon Night
SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft...building to 7 to 9 ft after midnight. Showers likely with chance of tstms.
Tue
SW winds 20 to 25 kt...diminishing to 15 to 20 kt in the afternoon. Seas 6 to 9 ft. Chance of showers in the morning.
Tue Night
SW winds 15 to 20 kt with gusts up to 30 kt... Becoming W 10 to 15 kt with gusts up to 20 kt after midnight. Seas 5 to 8 ft.
Wed
W winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft.
Wed Night
NW winds 10 to 15 kt...becoming N after midnight. Seas 3 to 5 ft...subsiding to 2 to 3 ft after midnight.
Thu
NE winds 5 to 10 kt...becoming SE in the afternoon...then increasing to 10 to 15 kt in the evening...becoming E 15 to 20 kt after midnight. Seas 2 to 3 ft. Chance of rain in the daytime... Then rain at night. Vsby 1 to 3 nm after midnight.
Fri
S winds 20 to 25 kt. Seas 4 to 7 ft...building to 8 to 9 ft. Rain...then chance of rain after midnight. Vsby 1 to 3 nm. winds and seas higher in and near tstms.

WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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ABOUT THIS FORECAST

Last Update: 1235 AM EDT MON MAY 1 2017
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RADAR & SATELLITE IMAGES

Northeast Radar Mosaic Link to Satellite Data