Mystic Island Water Temperature

(Today) 2024

20.5°C / 68.9°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

21°C / 70°F
(broken clouds)
Partly cloudy
Wind
2 mph
Humidity
84%

The measurements for the water temperature in Mystic Island, New Jersey 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 Mystic Island water temperature derived from many years of historical sea surface temperature data.

Mystic Island average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Mystic Island
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3 2.9 3.1 4.4 8.2 14.7 20.9 22 19.5 14.5 10.9 5.9
Max °C 8.3 6.4 6.9 11.7 16.5 23.1 25.3 26.6 24.1 21.4 15 11.8
Min °F 39.5 38.6 39.1 42.8 50 61.8 71.4 73.4 68.9 60.8 53.2 44.9
Max °F 44.8 42.1 42.9 50.1 58.3 70.2 75.8 78 73.5 67.7 57.3 50.8

The warmest water temperature is in August with an average around 75.7°F / 24.3°C. The coldest month is February with an average water temperature of 40.3°F / 4.6°C.


7 day tide forecast for Mystic Island

MonTueWedThuFriSatSun
  • Low 5:59am
    (0.18m)
  • High 11:42am
    (1.03m)
  • Low 6:50pm
    (0.17m)
  • High 12:09am
    (0.82m)
  • Low 6:29am
    (0.21m)
  • High 12:25pm
    (1.01m)
  • Low 7:33pm
    (0.21m)
  • High 1:02am
    (0.79m)
  • Low 7:08am
    (0.25m)
  • High 1:21pm
    (0.99m)
  • Low 8:32pm
    (0.24m)
  • High 2:02am
    (0.79m)
  • Low 8:06am
    (0.28m)
  • High 2:23pm
    (0.99m)
  • Low 9:49pm
    (0.24m)
  • High 3:05am
    (0.8m)
  • Low 9:41am
    (0.28m)
  • High 3:27pm
    (1.01m)
  • Low 10:59pm
    (0.19m)
  • High 4:10am
    (0.85m)
  • Low 11:06am
    (0.22m)
  • High 4:33pm
    (1.05m)
  • Low 11:57pm
    (0.11m)
  • High 5:15am
    (0.93m)
  • Low 12:10pm
    (0.14m)
  • High 5:37pm
    (1.09m)
7 day tide times for Mystic Island

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