10/12/2025
Be safe folks! Weather alert from Suffolk County!
October 11, 2025
Coastal Storm Weather Briefing
Rain - this continues to be a long duration rainfall event (24-36-hour period) peak rain period Sunday AM
thru Monday AM total accumulations 2” to 3” locally up to 4” possible. Rain this afternoon and this evening
will be slight. Sunday steady and heaver rain in the afternoon with rates up to a ¼ inch per hour at times.
Monday AM rain will gradually reduce.
Winds – We currently have a high wind watch issued for Long Island from noon Sunday through 6 AM
Monday. This system brings a lengthy period of winds for 24 hours. Early Sunday AM sustained 15-20 mph
gusts to 35mph winds - Sunday afternoon into early Monday AM sustained 30-40 mph with gusts up to 55
mph throughout Suffolk County. There is a potential that gusts could reach 60-65 mph east of the William
Floyd. Monday wind gusts 30-35 mph. Wind impacts may be increased due to foliage on the trees.
Coastal impacts - Coastal Flood Watch remain in effect for the entire coastline. Main concern in all areas is
effects at the time of the three high tides Sunday evening and Monday. Southwest Suffolk Great South Bay,
Lindenhurst to Sayville widespread moderate to locally major coastal flooding 2 1/2 to 3 ft likely. Sunday
nights high tide causing extensive road closures and flooding of low-lying properties including parking lots,
parks, and first floors and basements. Note: water may not recede fully between the successive high tides
Sunday afternoon into Monday afternoon.