Stale — older than 1 week USGS

Great South Bay At West Sayville Ny

Updated February 14, 2025 at 04:54:00 AM · Approved · Site 01306402

Current conditions

Historical trends

Hourly measurements

Detailed readings by hour, organized by day

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Official USGS page: https://waterdata.usgs.gov/monitoring-location/USGS-01306402/ (may include cooperator information)