Nelson Bay Water Temperature

(Today) 2025

19.8°C / 67.6°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

19°C / 66°F
(scattered clouds)
Partly cloudy
Wind
12 mph
Humidity
82%

The measurements for the water temperature in Nelson Bay, New South Wales 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 Nelson Bay water temperature derived from many years of historical sea surface temperature data.

Nelson Bay average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Nelson Bay
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 21.7 22.7 22.7 22.1 20.2 18.9 17.3 17.7 18 18.3 19.7 20.4
Max °C 26 25.9 25.7 24.4 23.8 21.9 21.1 20.5 20.9 21.2 23 25.5
Min °F 72.7 74.1 74.1 72.7 69.8 67.2 64.7 65 65.5 66.1 68.7 70.7
Max °F 77 77.3 77.1 75 73.4 70.2 68.5 67.8 68.4 69 72 75.8

The warmest water temperature is in February with an average around 75.7°F / 24.3°C. The coldest month is August with an average water temperature of 66.4°F / 19.1°C.

7 day tide forecast for Nelson Bay

SunMonTueWedThuFriSat
  • Low 01:47am
    (0.3m)
  • High 08:02am
    (1.51m)
  • Low 02:04pm
    (0.4m)
  • High 08:05pm
    (1.54m)
  • Low 02:18am
    (0.3m)
  • High 08:35am
    (1.61m)
  • Low 02:45pm
    (0.37m)
  • High 08:43pm
    (1.49m)
  • Low 02:48am
    (0.31m)
  • High 09:07am
    (1.7m)
  • Low 03:24pm
    (0.35m)
  • High 09:19pm
    (1.43m)
  • Low 03:17am
    (0.33m)
  • High 09:39am
    (1.74m)
  • Low 04:03pm
    (0.34m)
  • High 09:54pm
    (1.35m)
  • Low 03:47am
    (0.35m)
  • High 10:12am
    (1.76m)
  • Low 04:42pm
    (0.35m)
  • High 10:30pm
    (1.27m)
  • Low 04:17am
    (0.38m)
  • High 10:46am
    (1.74m)
  • Low 05:23pm
    (0.36m)
  • High 11:09pm
    (1.17m)
  • Low 04:47am
    (0.43m)
  • High 11:20am
    (1.7m)
  • Low 06:07pm
    (0.39m)
  • High 11:50pm
    (1.07m)
7 day tide times for Nelson Bay

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