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 02/12 00:06 Highest, last 24 hr Lowest, last 24 hr
Water level 0.3 feet ( 0.1 meters) MSL
1.4 feet NGVD29
2.2 feet ( 0.7 meters) MSL
3.3 feet NGVD29
at 02/11 10:06
-2.4 feet (-0.7 meters) MSL
-1.2 feet NGVD29
at 02/11 18:00
Tide Tide is ebbing.
Rate of change: -0.8 feet/hr
(-0.23 meters/hr).
Water temperature 35 deg F ( 2deg C) 38 deg F ( 4deg C)
at 02/11 01:42
25deg F (-4 deg C)
at 02/11 17:42
Weather - note times below are GMT (EST+5 hours, EDT+4 hours)
Weather Observations at Merrick, NY, USA
Time Last Updated on Feb 12 2016, 5:10 am GMT   Maximum, last 24 hr Minimum, last 24 hr
Average wind speed 14 mph 34 mph
at 12:51am
Wind gust 0 mph [no data] mph
at [no data]
Wind direction Northwest : 297 deg true    
STDEV Wind Direction [no data] deg    
Wind speed change - 1 hour trend ND    
Air temperature 18.9 deg F (-7.3 deg C) 22.6 deg F (-5.56 deg C)
at 12:00am
18.8 deg F (-7.78 deg C)
at 5:05am
Barometric pressure 30 in Hg (1021 mbar) 30 in Hg (0 mbar)
at 4:43am
30 in Hg (0 mbar)
at 12:01am
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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