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 Nov 23 2017, 6:55 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 11/23 02:00 Highest, last 24 hr Lowest, last 24 hr
Water level 0.3 feet ( 0.1 meters) MSL
1.4 feet NGVD29
2.7 feet ( 0.8 meters) MSL
3.8 feet NGVD29
at 11/22 10:24
-1.1 feet (-0.3 meters) MSL
0.1 feet NGVD29
at 11/22 17:30
Tide Tide is ebbing.
Rate of change: -0.6 feet/hr
(-0.18 meters/hr).
Water temperature 47 deg F ( 9deg C) 49 deg F ( 9deg C)
at 11/22 16:24
47deg F ( 8 deg C)
at 11/22 02:48
Weather - note times below are GMT (EST+5 hours, EDT+4 hours)

Weather Observations at Merrick, NY, USA
Time Last Updated on Nov 23 2017, 6:55 am GMT   Maximum, last 24 hr Minimum, last 24 hr
Average wind speed 9 mph 24 mph
at 12:26am
Wind direction Northwest : 316 deg true    
Air temperature 34.6 deg F (1.4 deg C) 42.5 deg F (5.56 deg C)
at 12:00am
34.5 deg F (1.11 deg C)
at 6:51am
Barometric pressure 30 in Hg (1017 mbar) 30 in Hg (0 mbar)
at 6:33am
29 in Hg (0 mbar)
at 12:10am
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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