Islip Sea Temperature

(Today) 2021

17°C / 62.6°F

Current weather

18°C / 65°F
(broken clouds)

Partly cloudy

Wind

5 mph

Humidity

73%


The measurements for the water temperature in Islip, 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 Islip water temperature derived from many years of historical sea surface temperature data.

Islip average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Islip
  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 Islip

SunMonTueWedThuFriSat
  • High 1:13am
    (0.24m)
  • Low 8:20am
    (0.02m)
  • High 2:06pm
    (0.19m)
  • Low 8:06pm
    (0.03m)
  • High 1:51am
    (0.23m)
  • Low 8:58am
    (0.02m)
  • High 2:50pm
    (0.19m)
  • Low 8:45pm
    (0.04m)
  • High 2:34am
    (0.23m)
  • Low 9:37am
    (0.02m)
  • High 3:37pm
    (0.19m)
  • Low 9:28pm
    (0.04m)
  • High 3:25am
    (0.23m)
  • Low 10:21am
    (0.02m)
  • High 4:25pm
    (0.2m)
  • Low 10:21pm
    (0.05m)
  • High 4:18am
    (0.23m)
  • Low 11:14am
    (0.02m)
  • High 5:16pm
    (0.21m)
  • Low 11:29pm
    (0.05m)
  • High 5:14am
    (0.22m)
  • Low 12:12pm
    (0.02m)
  • High 6:08pm
    (0.22m)
  • Low 12:44am
    (0.04m)
  • High 6:13am
    (0.22m)
  • Low 1:11pm
    (0.02m)
  • High 7:04pm
    (0.23m)
7 day tide times for Islip

*These tide times are estimates based on the nearest accurate location (Bay Shore, Watchogue Creek Entrance, 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.