Showers were expected to persist through the evening commute, she said, and clear out by around 8 p.m.
A wind advisory -- which expired at 2 p.m. for coastal Long Island -- had indicated the likelihood of strong, driving rains -- especially in late morning and early afternoon -- with east winds of 15 to 25 mph and gusts up to 45 mph predicted, the weather service said.
At just before 4 p.m., Islip was recording 9 mph winds, two-mile visibility, as well as rain, fog and mist, the weather service said.
Arriving flights were delayed an average of 37 minutes at Kennedy Airport and more than 21/2 hours at LaGuardia Airport due to weather / thunderstorms, according to the Federal Aviation Administration. Selected departures at those airports and at Long Island MacArthur Airport were also experiencing delays, and the FAA advised travelers to check with their airlines.
Tidal departures of between 11/2 and 2 feet above the astronomical high tide are possible Friday afternoon said a coastal flood statement issued by the weather service.
"Localized flooding of the most vulnerable shore roads and / or basements due to height of storm tide" could occur, the weather service said.
"There is no significant threat to life and any impact on property is minimal," the service said, but added minor beach erosion is "possible."
Clear skies are expected to return Saturday and Sunday, Nash said, with temperatures in the 50s.