Active Weather Alerts
Flash Flood Warning
Issued: 11:25 PM Jul. 31, 2025 – National Weather Service
The National Weather Service in Upton has extended the * Flash Flood Warning for... Western Suffolk County in southeastern New York... * Until 830 PM EDT. * At 725 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. Flash flooding is ongoing. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Medford, Ronkonkoma, Patchogue, Holbrook, Sayville, Yaphank, East Patchogue, Holtsville, North Bellport, Bohemia, Bayport, North Patchogue, West Sayville and Blue Point. 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. Be aware of your surroundings and do not drive on flooded roads. && FLASH FLOOD...RADAR INDICATED
Small Craft Advisory
Issued: 6:19 PM Jul. 31, 2025 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT FRIDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and seas 2 to 4 feet expected. * WHERE...Long Island Sound, New York Harbor, Peconic and Gardiners Bays, and South Shore Bays from Jones Inlet through Shinnecock Bay. * WHEN...From 8 PM this evening to 8 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
Flood Watch
Issued: 6:14 PM Jul. 31, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southern Connecticut, including the following areas, Northern Middlesex, Northern New Haven, Northern New London, Southern Middlesex, Southern New Haven and Southern New London and southeast New York, including the following areas, Northeast Suffolk, Northwest Suffolk, Southeast Suffolk and Southwest Suffolk. * WHEN...Through Friday morning. * IMPACTS...Scattered to numerous instances of urban, poor drainage and riverine flash flooding are possible. Localized severe flooding may cause an elevated threat to life and property, particularly Thursday afternoon and Thursday night. * ADDITIONAL DETAILS... - A widespread 1.5 to 3 inches of rain is likely, with localized amounts up to 5 inches. Rainfall rates could exceed 2+ inches per hour, especially for areas south. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. &&
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