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.

Last Updated on Oct 26 2016, 9:10 am BST

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 10/26 05:18 Highest, last 24 hr Lowest, last 24 hr
Water level 1.5 feet ( 0.4 meters) MSL
2.6 feet NGVD29
1.5 feet ( 0.4 meters) MSL
2.6 feet NGVD29
at 10/26 05:18
-1.9 feet (-0.6 meters) MSL
-0.8 feet NGVD29
at 10/26 00:06
Tide Tide is flooding.
Rate of change: 0.5 feet/hr
( 0.14 meters/hr).
Water temperature 55 deg F (13deg C) 57 deg F (14deg C)
at 10/25 11:54
44deg F ( 7 deg C)
at 10/26 00:26
Weather - note times below are GMT (EST+5 hours, EDT+4 hours)
Weather Observations at Merrick, NY, USA
Time Last Updated on Oct 26 2016, 9:10 am BST   Maximum, last 24 hr Minimum, last 24 hr
Average wind speed 4 mph 20 mph
at 12:51am
Wind gust 0 mph [no data] mph
at [no data]
Wind direction Northwest : 302 deg true    
STDEV Wind Direction [no data] deg    
Wind speed change - 1 hour trend ND    
Air temperature 40.7 deg F (4.8 deg C) 48.8 deg F (8.89 deg C)
at 12:00am
40.5 deg F (4.44 deg C)
at 8:29am
Barometric pressure 30 in Hg (1027 mbar) 30 in Hg (0 mbar)
at 9:11am
30 in Hg (0 mbar)
at 12:00am
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.
  4. Daily precipitation resets at solar midnight (midnight EST, 11:00pm EDT). Heated gauge converts frozen preciptation to liquid equivalent.

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latest.php was last modified: August 10 2016 15:35:24.