Coastal Flood — Southern Nassau, New York

2019-10-11 · Southern Nassau, New York

Event narrative

A peak water level of 6.8 ft MLLW occurred at the USGS tidal gauge at Hudson Bay at Freeport at 2019-10-11 19:06 EST. The moderate coastal flood threshold of 6.2 ft MLLW was exceeded from 2019-10-11 17:18 EST to 2019-10-11 20:06 EST.

A peak water level of 7.0 ft MLLW occurred at the USGS tidal gauge at Reynolds Channel from 2019-10-11 18:12 EST to 2019-10-11 19:12 EST. The moderate coastal flood threshold of 6.8 ft MLLW was exceeded from 2019-10-11 17:42 EST to 2019-10-11 19:42 EST.

A peak water level of 7.2 ft MLLW occurred at the USGS tidal gauge at East Rockaway Inlet at 2019-10-11 18:48 EST. The moderate coastal flood threshold of 7.0 ft MLLW was exceeded from 2019-10-11 18:00 EST to 2019-10-11 19:12 EST.

Wider weather episode

An intensifying offshore storm that eventually became Tropical Storm Melissa produced moderate coastal flooding in the south shore back bays of Long Island across multiple high tide cycles.

Source: NOAA Storm Events Database, event_id 863975. Narrative written by the NWS forecast office that issued the report.