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 Jan 18 2018, 5:40 pm 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 01/18 12:36 Highest, last 24 hr Lowest, last 24 hr
Water level 0.7 feet ( 0.2 meters) MSL
1.8 feet NGVD29
2.8 feet ( 0.8 meters) MSL
3.9 feet NGVD29
at 01/18 09:36
-1.1 feet (-0.3 meters) MSL
0.1 feet NGVD29
at 01/18 03:06
Tide Tide is ebbing.
Rate of change: -0.8 feet/hr
(-0.23 meters/hr).
Water temperature 33 deg F ( 1deg C) 34 deg F ( 1deg C)
at 01/17 14:54
32deg F ( 0 deg C)
at 01/18 07:42
Weather - note times below are GMT (EST+5 hours, EDT+4 hours)

Weather Observations at Merrick, NY, USA
Time Last Updated on Jan 18 2018, 5:40 pm GMT   Maximum, last 24 hr Minimum, last 24 hr
Average wind speed 7 mph 22 mph
at 1:11pm
Wind direction Northwest : 324 deg true    
Air temperature 30.0 deg F (-1.1 deg C) 30.1 deg F (-1.11 deg C)
at 5:40pm
19.6 deg F (-7.22 deg C)
at 10:52am
Barometric pressure 29 in Hg (1013 mbar) 30 in Hg (0 mbar)
at 1:06am
29 in Hg (0 mbar)
at 5:39pm
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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