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 Jun 24 2017, 10:10 am 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 06/24 06:12 Highest, last 24 hr Lowest, last 24 hr
Water level 1.0 feet ( 0.3 meters) MSL
2.1 feet NGVD29
3.8 feet ( 1.2 meters) MSL
5.0 feet NGVD29
at 06/23 20:42
-1.3 feet (-0.4 meters) MSL
-0.1 feet NGVD29
at 06/23 14:48
Tide Tide is flooding.
Rate of change: 1.0 feet/hr
( 0.31 meters/hr).
Water temperature 70 deg F (21deg C) 71 deg F (22deg C)
at 06/23 17:00
69deg F (20 deg C)
at 06/23 09:00
Weather - note times below are GMT (EST+5 hours, EDT+4 hours)

Weather Observations at Merrick, NY, USA
Time Last Updated on Jun 24 2017, 10:10 am BST   Maximum, last 24 hr Minimum, last 24 hr
Average wind speed 3 mph 21 mph
at 12:49am
Wind direction Southwest : 205 deg true    
Air temperature 68.4 deg F (20.2 deg C) 73.1 deg F (22.78 deg C)
at 1:44am
68.3 deg F (20 deg C)
at 8:59am
Barometric pressure 29 in Hg (1001 mbar) 29 in Hg (0 mbar)
at 2:27am
29 in Hg (0 mbar)
at 10:05am
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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