Sea Isle City Water Temperature

(Today) 2025

5.6°C / 42°F

The water will feel very cold. For the hardcore only. The water is now dangerously cold and most people will risk hypothermia if not equipped with a thick, 6/5mm wetsuit along with boots and a hood

*Live data from Cape May, NJ: 1.5°C / 34.7°F

Current weather

-0°C / 32°F
(clear sky)
Partly cloudy
Wind
1 mph
Humidity
54%

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

Sea Isle City average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Sea Isle City
  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 Sea Isle City

TueWedThuFriSatSunMon
  • High 5:27am
    (1.14m)
  • Low 11:41am
    (0.07m)
  • High 5:44pm
    (0.93m)
  • Low 11:46pm
    (0.04m)
  • High 6:10am
    (1.19m)
  • Low 12:28pm
    (0.03m)
  • High 6:29pm
    (0.94m)
  • Low 12:29am
    (0.04m)
  • High 6:50am
    (1.22m)
  • Low 1:13pm
    (0.01m)
  • High 7:10pm
    (0.95m)
  • Low 1:11am
    (0.05m)
  • High 7:28am
    (1.24m)
  • Low 1:57pm
    (-0.02m)
  • High 7:48pm
    (0.95m)
  • Low 1:53am
    (0.05m)
  • High 8:05am
    (1.24m)
  • Low 2:38pm
    (-0.03m)
  • High 8:27pm
    (0.94m)
  • Low 2:33am
    (0.06m)
  • High 8:42am
    (1.23m)
  • Low 3:17pm
    (-0.03m)
  • High 9:05pm
    (0.93m)
  • Low 3:10am
    (0.07m)
  • High 9:20am
    (1.2m)
  • Low 3:54pm
    (-0.02m)
  • High 9:44pm
    (0.92m)
7 day tide times for Sea Isle City

*These tide times are estimates based on the nearest accurate location (Ludlam Bay, west side, 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.