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 Sep 25 2017, 1:10 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 09/25 09:12 Highest, last 24 hr Lowest, last 24 hr
Water level 1.4 feet ( 0.4 meters) MSL
2.6 feet NGVD29
3.0 feet ( 0.9 meters) MSL
4.2 feet NGVD29
at 09/24 11:54
-0.2 feet (-0.1 meters) MSL
1.0 feet NGVD29
at 09/24 18:18
Tide Tide is flooding.
Rate of change: 0.7 feet/hr
( 0.20 meters/hr).
Water temperature 71 deg F (22deg C) 72 deg F (22deg C)
at 09/24 15:30
70deg F (21 deg C)
at 09/24 09:48
Weather - note times below are GMT (EST+5 hours, EDT+4 hours)

Weather Observations at Merrick, NY, USA
Time Last Updated on Sep 25 2017, 1:10 pm BST   Maximum, last 24 hr Minimum, last 24 hr
Average wind speed 1 mph 5 mph
at 12:53pm
Wind direction South : 193 deg true    
Air temperature 74.0 deg F (23.3 deg C) 74.1 deg F (23.33 deg C)
at 1:10pm
67.3 deg F (19.44 deg C)
at 10:08am
Barometric pressure 30 in Hg (1018 mbar) 30 in Hg (0 mbar)
at 1:09pm
29 in Hg (0 mbar)
at 7:55am
Barometer - 1 hour trend Rising 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