Hewlett Harbor Sea Temperature

(Today) 2021

19.9°C / 67.9°F

Current weather

24°C / 75°F
(few clouds)

Partly cloudy

Wind

5 mph

Humidity

51%


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 water temp

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.

Hewlett Harbor average maximum / minimum water temperatures
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

ThuFriSatSunMonTueWed
  • Low 2:29am
    (-0.09m)
  • High 8:22am
    (1.44m)
  • Low 2:32pm
    (-0.05m)
  • High 8:47pm
    (1.89m)
  • Low 3:22am
    (-0.11m)
  • High 9:16am
    (1.44m)
  • Low 3:25pm
    (-0.03m)
  • High 9:38pm
    (1.87m)
  • Low 4:13am
    (-0.1m)
  • High 10:08am
    (1.44m)
  • Low 4:19pm
    (0.01m)
  • High 10:28pm
    (1.81m)
  • Low 5:04am
    (-0.08m)
  • High 11:00am
    (1.43m)
  • Low 5:12pm
    (0.07m)
  • High 11:17pm
    (1.73m)
  • Low 5:54am
    (-0.04m)
  • High 11:53am
    (1.41m)
  • Low 6:05pm
    (0.14m)
  • High 12:07am
    (1.62m)
  • Low 6:43am
    (0.01m)
  • High 12:46pm
    (1.39m)
  • Low 6:59pm
    (0.21m)
  • High 12:58am
    (1.51m)
  • Low 7:31am
    (0.06m)
  • High 1:39pm
    (1.38m)
  • Low 7:53pm
    (0.28m)
7 day tide times for Hewlett Harbor

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