Great River Water Temperature

(Today) 2024

21.1°C / 69.9°F

The water will feel tepid. Swimming will be tolerable without a wetsuit, although it will take a little getting used to. If you intend to stay in the water for a while a 3/2mm wetsuit will be ideal.

Current weather

23°C / 73°F
(broken clouds)
Partly cloudy
Wind
11 mph
Humidity
70%

The measurements for the water temperature in Great River, 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.

*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

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

Great River average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Great River
  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

The warmest water temperature is in August with an average around 74.1°F / 23.4°C. The coldest month is February with an average water temperature of 39.9°F / 4.4°C.

7 day tide forecast for Great River

MonTueWedThuFriSatSun
  • Low 4:22am
    (0m)
  • High 10:09am
    (0.24m)
  • Low 4:35pm
    (0.01m)
  • High 10:30pm
    (0.28m)
  • Low 5:10am
    (-0.02m)
  • High 10:58am
    (0.26m)
  • Low 5:29pm
    (-0.01m)
  • High 11:18pm
    (0.28m)
  • Low 5:57am
    (-0.03m)
  • High 11:45am
    (0.28m)
  • Low 6:22pm
    (-0.02m)
  • High 12:06am
    (0.28m)
  • Low 6:43am
    (-0.03m)
  • High 12:33pm
    (0.29m)
  • Low 7:14pm
    (-0.02m)
  • High 12:55am
    (0.27m)
  • Low 7:29am
    (-0.03m)
  • High 1:22pm
    (0.29m)
  • Low 8:04pm
    (-0.02m)
  • High 1:47am
    (0.26m)
  • Low 8:14am
    (-0.02m)
  • High 2:14pm
    (0.28m)
  • Low 8:55pm
    (-0m)
  • High 2:43am
    (0.24m)
  • Low 9:00am
    (-0m)
  • High 3:11pm
    (0.27m)
  • Low 9:49pm
    (0.02m)
7 day tide times for Great River

*These tide times are estimates based on the nearest accurate location (Great River, Connetquot River, 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.