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 May 23 2017, 4:40 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 05/23 12:30 Highest, last 24 hr Lowest, last 24 hr
Water level -1.0 feet (-0.3 meters) MSL
0.2 feet NGVD29
3.2 feet ( 1.0 meters) MSL
4.3 feet NGVD29
at 05/22 18:30
-1.0 feet (-0.3 meters) MSL
0.2 feet NGVD29
at 05/22 12:36
Tide Tide is ebbing.
Rate of change: -0.6 feet/hr
(-0.17 meters/hr).
Water temperature 60 deg F (15deg C) 62 deg F (17deg C)
at 05/22 15:24
59deg F (15 deg C)
at 05/23 08:30
Weather - note times below are GMT (EST+5 hours, EDT+4 hours)

Weather Observations at Merrick, NY, USA
Time Last Updated on May 23 2017, 4:40 pm BST   Maximum, last 24 hr Minimum, last 24 hr
Average wind speed 4 mph 17 mph
at 6:11am
Wind direction Northeast : 36 deg true    
Air temperature 66.0 deg F (18.9 deg C) 66.2 deg F (18.89 deg C)
at 4:35pm
57.5 deg F (13.89 deg C)
at 9:52am
Barometric pressure 29 in Hg (1012 mbar) 29 in Hg (0 mbar)
at 12:02am
29 in Hg (0 mbar)
at 4:06pm
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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latest.php was last modified: January 24 2017 13:44:11