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 24 2017, 6:15 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 08/24 02:24 Highest, last 24 hr Lowest, last 24 hr
Water level 0.6 feet ( 0.2 meters) MSL
1.7 feet NGVD29
3.1 feet ( 0.9 meters) MSL
4.3 feet NGVD29
at 08/23 22:36
-1.1 feet (-0.3 meters) MSL
0.1 feet NGVD29
at 08/23 04:42
Tide Tide is ebbing.
Rate of change: -0.8 feet/hr
(-0.23 meters/hr).
Water temperature 74 deg F (23deg C) 75 deg F (24deg C)
at 08/23 18:06
74deg F (23 deg C)
at 08/24 02:24
Weather - note times below are GMT (EST+5 hours, EDT+4 hours)

Weather Observations at Merrick, NY, USA
Time Last Updated on Aug 24 2017, 6:15 am BST   Maximum, last 24 hr Minimum, last 24 hr
Average wind speed 1 mph 6 mph
at 12:02am
Wind direction North : 5 deg true    
Air temperature 67.1 deg F (19.5 deg C) 77.1 deg F (25 deg C)
at 12:00am
66.9 deg F (18.89 deg C)
at 6:01am
Barometric pressure 29 in Hg (1011 mbar) 29 in Hg (0 mbar)
at 4:31am
29 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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latest.php was last modified: January 24 2017 13:44:11