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 11/29 03:18 Highest, last 24 hr Lowest, last 24 hr
Water level 0.9 feet ( 0.3 meters) MSL
2.0 feet NGVD29
1.8 feet ( 0.56 meters) MSL
2.9 feet NGVD29
at 11/28 11:48
0.4 feet ( 0.12 meters) MSL
1.5 feet NGVD29
at 11/28 04:54
Tide Tide is ebbing.
Rate of change: -0.3 feet/hr
(-0.09 meters/hr).
Water temperature 51 deg F (11 deg C) 52 deg F (11 deg C)
at 11/28 17:24
50 deg F (10 deg C)
at 11/28 11:06

Weather Observations at Smith Point Bridge
Time 11/29/15 8:40a EDT  Maximum, last 24 hr Minimum, last 24 hr
Average wind speed 8 mph 20.0 mph
at 8:04a
[no data] mph
at [no data]
Wind gust 20 mph [no data] mph
at [no data]
Wind direction NNW : 345 deg true    
STDEV Wind Direction [no data] deg    
Wind speed change - 1 hour trend ND    
Air temperature 42.9 deg F (6.06 deg C) 50.2 deg F (0 deg C)
at 12:00a
42.9 deg F (0 deg C)
Barometric pressure 30 in Hg (1021 mbar) 30 in Hg (0 mbar)
at 2:40a
30 in Hg (0 mbar)
at 12:00a
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.
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