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 12/01 16:30 Highest, last 24 hr Lowest, last 24 hr
Water level 0.1 feet ( 0.0 meters) MSL
1.2 feet NGVD29
2.6 feet ( 0.8 meters) MSL
3.7 feet NGVD29
at 12/01 12:00
-1.3 feet (-0.4 meters) MSL
-0.2 feet NGVD29
at 11/30 18:12
Tide Tide is ebbing.
Rate of change: -0.6 feet/hr
(-0.17 meters/hr).
Water temperature 49 deg F (10deg C) 50 deg F (10deg C)
at 11/30 16:48
49deg F ( 9 deg C)
at 12/01 11:42
Weather - note times below are GMT (EST+5 hours, EDT+4 hours)
Weather Observations at Merrick, NY, USA
Time Last Updated on Dec 1 2015, 9:40 pm GMT   Maximum, last 24 hr Minimum, last 24 hr
Average wind speed 6 mph 22 mph
at 3:09pm
Wind gust 0 mph [no data] mph
at [no data]
Wind direction East : 74 deg true    
STDEV Wind Direction [no data] deg    
Wind speed change - 1 hour trend ND    
Air temperature 47.7 deg F (8.7 deg C) 51.3 deg F (10.56 deg C)
at 3:08pm
41.3 deg F (5 deg C)
at 12:45am
Barometric pressure 30 in Hg (1018 mbar) 30 in Hg (0 mbar)
at 12:17am
30 in Hg (0 mbar)
at 9:41pm
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.
  4. Daily precipitation resets at solar midnight (midnight EST, 11:00pm EDT). Heated gauge converts frozen preciptation to liquid equivalent.
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