River gauges›Connecticut
RIVER GAUGE · LONG ISLAND SOUND

Long Island Sound at New Haven (IN MLLW)

New Haven County, Connecticut

Water level5.24 ft
Flow—
Last readingSep 16, 2026, 5:30 PM UTC (last recorded)
Minor flood8.7 ft
Moderate flood9.3 ft
Major flood10.6 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Sep 20, 193810.58 ft—
Aug 30, 19549.58 ft—
Oct 28, 20128.04 ft—

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