Merrick station location
Station location

Sea Conditions at

Long Island New York USA
Latitude 40 degrees 38.6 minutes North
Longitude 73 degrees 32.4 minutes West

A service of LIShore.

Page last updated 09/25/2013 10:32 EDT

STATUS NOTICE Fall 2013: The station at Merrick was destroyed by Superstorm Sandy and has been rebuilt.
Bay Tide
See notes below regarding level references.
Time 05/23 01:21 Highest, last 24 hr Lowest, last 24 hr
Water level 1.5 feet ( 0.4 meters) MSL
2.6 feet NGVD29
1.7 feet ( 0.5 meters) MSL
2.9 feet NGVD29
at 05/23 00:12
-1.8 feet (-0.6 meters) MSL
-0.7 feet NGVD29
at 05/22 06:36
Tide Tide is ebbing.
Rate of change: -0.3 feet/hr
(-0.09 meters/hr).
Water temperature 58 deg F (14deg C) 59 deg F (15deg C)
at 05/22 14:00
45deg F ( 7 deg C)
at 05/23 00:50
Weather - note times below are GMT (EST+5 hours, EDT+4 hours)
Weather Observations at Merrick, NY, USA
Time Last Updated on May 23 2015, 5:25 am BST   Maximum, last 24 hr Minimum, last 24 hr
Average wind speed 11 mph 20 mph
at 3:03am
Wind gust 0 mph [no data] mph
at [no data]
Wind direction North : 353 deg true    
STDEV Wind Direction [no data] deg    
Wind speed change - 1 hour trend ND    
Air temperature 58.6 deg F (14.8 deg C) 68.1 deg F (20 deg C)
at 12:00am
58.6 deg F (14.44 deg C)
at 5:23am
Barometric pressure 30 in Hg (1021 mbar) 30 in Hg (0 mbar)
at 5:25am
29 in Hg (0 mbar)
at 12:00am
Barometer - 1 hour trend Rising Rapidly    


  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.
  4. Daily precipitation resets at solar midnight (midnight EST, 11:00pm EDT). Heated gauge converts frozen preciptation to liquid equivalent.
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