Smith Point Bridge
Smith Point Bridge
Click on image for larger version.

Sea Conditions at

Shirley, Long Island New York USA
Latitude 40 degrees 44.29 minutes North
Longitude 72 degrees 52.12 minutes West

A service of LIShore

Station status 1/24/17: Tide is reporting in zone local (Eastern Daylight) time. Weather is reporting in Greenwich Mean Time (Eastern Daylight + 4 hours, 1600 GMT = noon EST). We will switch to zone local (EST and EDT) as soon as possible.

Bay Tide at the Smith Point Bridge.
See note below regarding MSL reference.
Time 06/24 06:12 Highest, last 24 hr Lowest, last 24 hr
Water level -0.2 feet (-0.1 meters) MSL
0.9 feet NGVD29
2.8 feet ( 0.84 meters) MSL
3.8 feet NGVD29
at 06/23 20:42
-5.6 feet (-1.72 meters) MSL
-4.6 feet NGVD29
at 06/23 18:00
Tide Tide is flooding.
Rate of change: 9.2 feet/hr
( 2.79 meters/hr).
Water temperature 69 deg F (20 deg C) 74 deg F (23 deg C)
at 06/23 15:18
68 deg F (20 deg C)
at 06/24 05:18

Weather Observations at Smith Point Bridge
Time 06/24/17 10:25a GMT  Maximum, last 24 hr Minimum, last 24 hr
Average wind speed 16 mph 29.0 mph
at 7:29a
Wind gust 29 mph  
Wind direction WSW : 255 deg true    
Air temperature 67.4 deg F (19.67 deg C) 69.0 deg F (0 deg C)
at 12:42a
65.2 deg F (0 deg C)
Barometric pressure 30 in Hg (1001 mbar) 30 in Hg (0 mbar)
at 12:08a
30 in Hg (0 mbar)
at 10:14a
Barometer - 1 hour trend Steady    


  1. Real-time data are unchecked and preliminary. Please read this disclaimer.
  2. MSL = measurement referenced to Mean Sea Level. Seasonal and weather system biases highly affect estuarine water levels, therefore the MSL datum for this station is preliminary until data are collected over a sufficient length of time to define it accurately.
  3. NGVD29 = measurement referenced to National Geodetic Vertical Datum of 1929.

About LIShore | Data Access | LIShore Home Heading for port... Photographs and maps | Help LIShore grow | Disclaimer

Data may be unchecked and preliminary, for further information read this disclaimer
Stony Brook logo LIShore is a project of the School of Marine and Atmospheric Sciences at Stony Brook University in collaboration with the LIShore partners.

Tom Wilson (email: welcomes your comments or questions regarding this web site.

Copyright 2017 School of Marine and Atmospheric Sciences, All Rights Reserved | SoMAS, Stony Brook University, Stony Brook, NY 11794-5000, USA
latest.php was last modified: January 24 2017 14:29:09