Coastal Flood in Southern Nassau, New York

Coastal Flood October 30, 2020 · Southern Nassau, New York

What the National Weather Service wrote

A peak water level of 6.4 ft MLLW occurred at the USGS tidal gauge at Hudson Bay at Freeport at 2020-10-30 07:30 EST. The moderate coastal flood threshold of 6.2 ft MLLW at Freeport was exceeded from 2020-10-30 07:00 EST to 2020-10-30 08:06 EST.

Also, a peak water level of 6.7 ft MLLW occurred at the USGS tidal gauge at Reynolds Channel from 2020-10-30 07:12 EST to 2020-10-30 07:54 EST, just shy of the moderate coastal flood threshold of 6.8 ft MLLW.

The wider storm

Northeast gales associated with low pressure passing to the south, and high astronomical tides associated with the full moon of the 31st, combined to cause isolated moderate coastal flooding along the shorelines of southern Nassau County during the morning high tide cycle.

Source: NOAA Storm Events Database, event 929036. Narratives are written by the National Weather Service forecast office that issued the report.

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