Smith Point Bridge
Smith Point Bridge
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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.

Page last updated 09/25/2013 10:31 EDT

Bay Tide at the Smith Point Bridge.
See note below regarding MSL reference.
Time 01/17 18:24 Highest, last 24 hr Lowest, last 24 hr
Water level -0.6 feet (-0.2 meters) MSL
0.5 feet NGVD29
0.4 feet ( 0.12 meters) MSL
1.5 feet NGVD29
at 01/17 00:54
-0.7 feet (-0.22 meters) MSL
0.4 feet NGVD29
at 01/17 07:36
Tide Tide is ebbing.
Rate of change: -0.2 feet/hr
(-0.05 meters/hr).
Water temperature 39 deg F ( 4 deg C) 39 deg F ( 4 deg C)
at 01/17 18:24
38 deg F ( 4 deg C)
at 01/17 01:18

Weather Observations at Smith Point Bridge
Time 01/17/17 11:29p EDT  Maximum, last 24 hr Minimum, last 24 hr
Average wind speed 9 mph 19.0 mph
at 9:52p
[no data] mph
at [no data]
Wind gust 19 mph [no data] mph
at [no data]
Wind direction ENE : 68 deg true    
STDEV Wind Direction [no data] deg    
Wind speed change - 1 hour trend ND    
Air temperature 40.9 deg F (4.94 deg C) 40.9 deg F (0 deg C)
at 11:17p
37.1 deg F (0 deg C)
Barometric pressure 30 in Hg (1018 mbar) 30 in Hg (0 mbar)
at 12:07a
30 in Hg (0 mbar)
at 11:28p
Barometer - 1 hour trend Falling Slowly    


  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.

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