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Flood Advisory

Status

New Event Expired

Start Time

Wed 07/29/2026 02:33 AM EDT

End Time

Wed 07/29/2026 04:30 AM EDT

Significance

Advisory

Impacts

Low impact

Locations Affected

Hempstead, NY ∙ West Gilgo Beach, NY ∙ Lakeview, NY ∙ North Massapequa, NY ∙ Islip Terrace, NY ∙ Laurel Hollow, NY ∙ Caumsett State Park, NY ∙ Plandome Manor, NY ∙ Greenlawn, NY ∙ Great Neck, NY

Full Alert Message

Flood Advisory National Weather Service New York NY 233 AM EDT Wed Jul 29 2026 ...FLOOD ADVISORY IN EFFECT UNTIL 430 AM EDT EARLY THIS MORNING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southeast New York, including the following counties, Nassau and Suffolk. * WHEN...Until 430 AM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 233 AM EDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.5 and 1 inch of rain has fallen. - Additional rainfall amounts of 0.5 to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Islip, Brentwood, Levittown, Freeport, Commack, Huntington Station, Deer Park, Lindenhurst, Glen Cove, Plainview, Garden City, Massapequa, Hauppauge, Syosset, Mineola, Huntington, Westbury, Babylon, Great Neck and Farmingdale. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 4088 7372 4087 7366 4092 7364 4093 7351 4096 7349 4094 7342 4097 7339 4095 7328 4093 7322 4070 7312 4068 7313 4068 7314 4070 7319 4070 7320 4067 7326 4067 7310 4065 7309 4057 7362 4084 7375

Technical Header

NYC059-103-290830- /O.NEW.KOKX.FA.Y.0061.260729T0633Z-260729T0830Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Nassau NY-Suffolk NY- 233 AM EDT Wed Jul 29 2026