Sea Temperature

Hewlett Harbor Sea Temperature

(Today) Dec 2018

8.9°C / 48°F

Current weather

-3°C / 27°F
(clear sky)

Partly cloudy
Wind

7 mph

Humidity

53%


The measurements for the water temperature in Hewlett Harbor, New York are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

Monthly average max / min water temperatures

The graph below shows the range of monthly Hewlett Harbor water temperature derived from many years of historical sea surface temperature data.

Maximum and minimum monthly sea temperatures in Hewlett Harbor
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3.2 2.6 2.7 3.9 8.2 14.4 20.1 21.6 19.1 14.3 10.9 6.3
Max °C 8.3 6.2 7 11.6 16.3 22.2 24.5 25.2 23.2 20.9 14.6 11.6
Min °F 39.8 38.1 38.5 42.1 50 61 69.9 72.3 68 60.4 53.1 45.4
Max °F 44.9 41.7 42.8 49.8 58.1 68.8 74.3 75.9 72.1 67 56.8 50.7

7 day tide forecast for Hewlett Harbor

TueWedThuFriSatSunMon
  • Low 04:47am
    (0.35m)
  • High 10:57am
    (4.03m)
  • Low 05:28pm
    (0.08m)
  • High 11:33pm
    (3.28m)
  • Low 05:26am
    (0.55m)
  • High 11:42am
    (3.83m)
  • Low 06:08pm
    (0.25m)
  • High 12:21am
    (3.20m)
  • Low 06:08am
    (0.73m)
  • High 12:28pm
    (3.66m)
  • Low 06:52pm
    (0.38m)
  • High 01:08am
    (3.18m)
  • Low 06:59am
    (0.88m)
  • High 01:15pm
    (3.52m)
  • Low 07:43pm
    (0.46m)
  • High 01:54am
    (3.22m)
  • Low 08:06am
    (0.94m)
  • High 02:02pm
    (3.43m)
  • Low 08:38pm
    (0.45m)
  • High 02:41am
    (3.34m)
  • Low 09:14am
    (0.86m)
  • High 02:54pm
    (3.38m)
  • Low 09:33pm
    (0.35m)
  • High 03:31am
    (3.52m)
  • Low 10:14am
    (0.65m)
  • High 03:49pm
    (3.39m)
  • Low 10:23pm
    (0.19m)

*These tide times are estimates based on the nearest port (East Rockaway, Long Island) and may differ by up to half and hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.

Average December sea temperatures

  • Max: 11.6°C / 52.8°F
  • Avg: 8.9°C / 48°F
  • Min: 6.3°C / 43.3°F
Hewlett Harbor average sea temperature chart

These average ocean temperatures for Hewlett Harbor are calculated from several years of archived data.

Map showing location of Hewlett Harbor (40.636210, -73.681520)

Locations nearby

Variations

Whilst sea temperatures for Hewlett Harbor are as accurate as current data allows, there may be slight local and regional variations depending on conditions. Time of day and wind direction may have a temporary local effect as can water flows from neraby rivers.

Alternate names for Hewlett Harbor

Hewlett Harbor average sea temperature chart