Hurricanes and Tornadoes That Hit Seaford, NY

The nearest NOAA station with 1991–2020 climate normals is Wantagh Cedar Creek, NY, 2 miles southwest of Seaford at 10 feet. July is the warmest, with an average high of 85°F and low of 69°F; January is the coolest, at 42°F and 28°F. December is the wettest at 4.4 inches of precipitation on average and February the driest at 2.8 inches; the year adds up to 42.8 inches over 72 days with at least a tenth of an inch. June to November, the hurricane season months, bring 49% of the year's precipitation (21.1 of 42.8 inches); the other six months are wetter. September has brought the most of the 52 tropical systems that passed within 75 miles (21); a normal September there has highs of 78°F and 3.6 inches of precipitation. Highs reach 90°F on about 9 days a year, almost all from June to August. Lows fall below freezing on about 77 nights a year. That 42.8 inches is more than at 62 of the 137 New York stations used on this site (45%). Amityville, 4 miles east, has its own station (Farmingdale Airport, NY): 38.5 inches a year, 4.3 less than here, and a July average high of 83°F against 85°F.

Water temperature at the NOAA tide station Kings Point, NY, 17 miles northwest, averaged 74°F in August and 38°F in February over 2021–2025. No month averaged 80°F. Sea level at the Kings Point tide gauge, 17 miles from Seaford, has risen 1.08 ± 0.04 inches per decade from 1931 to 2025, NOAA's linear trend; at that pace it is 10.8 inches in a hundred years. That is faster than at 62 of the 144 U.S. gauges with a NOAA trend.

Since 1996, the National Weather Service has logged 281 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Seaford: 156 thunderstorm wind reports, 100 flash floods, 12 floods, 12 lightning strikes and 1 heavy rain event. They killed 1 person and injured 15, and the NWS estimated $14.8 million in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on June 24, 2010. August has had the most flash floods, 37 of 100. Of the 798 New York cities on this site with a flash flood on record, 652 have had fewer than Seaford.

Flood insurance policyholders in Seaford's ZIP code 11783 have filed 2,243 claims with the National Flood Insurance Program since 1978, and were paid $87.1 million for buildings and contents, in the dollars of each year. The most came from Hurricane Sandy in 2012: 1,044 claims (47% of all) and $67.7 million, then Hurricane Irene in 2011 with 332 and December Storm - Nor'easter in 1992 with 236. 91% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 549 New York cities on this site with 10 or more claims, 535 have fewer than Seaford.