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 Aug 22 2017, 8:25 pm BST

Station status: Page update and weather are reporting in Greenwich Mean Time (Eastern Daylight time + 4 hours, 1600 GMT = noon EST). We will switch to zone local (EST and EDT) as soon as possible.
Bay Tide
See notes below regarding level references.
Time 08/22 16:12 Highest, last 24 hr Lowest, last 24 hr
Water level -0.9 feet (-0.3 meters) MSL
0.3 feet NGVD29
3.3 feet ( 1.0 meters) MSL
4.5 feet NGVD29
at 08/21 21:00
-1.2 feet (-0.4 meters) MSL
-0.1 feet NGVD29
at 08/22 04:06
Tide Tide is turning.
Rate of change: -0.1 feet/hr
(-0.02 meters/hr).
Water temperature 76 deg F (24deg C) 76 deg F (25deg C)
at 08/21 17:54
73deg F (23 deg C)
at 08/22 03:12
Weather - note times below are GMT (EST+5 hours, EDT+4 hours)

Weather Observations at Merrick, NY, USA
Time Last Updated on Aug 22 2017, 8:25 pm BST   Maximum, last 24 hr Minimum, last 24 hr
Average wind speed 18 mph 28 mph
at 8:00pm
Wind direction Southwest : 205 deg true    
Air temperature 79.7 deg F (26.5 deg C) 80 deg F (26.67 deg C)
at 6:31pm
74.4 deg F (23.33 deg C)
at 10:21am
Barometric pressure 29 in Hg (1010 mbar) 30 in Hg (0 mbar)
at 1:22am
29 in Hg (0 mbar)
at 8:24pm
Barometer - 1 hour trend Falling 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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latest.php was last modified: January 24 2017 13:44:11