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 Feb 19 2018, 11:25 am GMT

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 02/19 06:18 Highest, last 24 hr Lowest, last 24 hr
Water level 0.1 feet ( 0.0 meters) MSL
1.3 feet NGVD29
2.2 feet ( 0.7 meters) MSL
3.3 feet NGVD29
at 02/18 10:00
-1.6 feet (-0.5 meters) MSL
-0.5 feet NGVD29
at 02/18 16:18
Tide Tide is flooding.
Rate of change: 1.0 feet/hr
( 0.30 meters/hr).
Water temperature 39 deg F ( 4deg C) 40 deg F ( 4deg C)
at 02/18 17:12
38deg F ( 4 deg C)
at 02/18 06:36
Weather - note times below are GMT (EST+5 hours, EDT+4 hours)

Weather Observations at Merrick, NY, USA
Time Last Updated on Feb 19 2018, 11:25 am GMT   Maximum, last 24 hr Minimum, last 24 hr
Average wind speed 0 mph 12 mph
at 7:09am
Wind direction Southeast : 153 deg true    
Air temperature 36.3 deg F (2.4 deg C) 39.2 deg F (3.89 deg C)
at 12:00am
32.4 deg F (0 deg C)
at 4:57am
Barometric pressure 30 in Hg (1033 mbar) 30 in Hg (0 mbar)
at 7:46am
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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