Wanganui Water Temperature

(Today) 2025

14.6°C / 58.2°F

The water will feel medium. The water will feel a bit chilly in just bathers / swimming costume. If you plan on wearing a wetsuit 4/3mm should be thick enough.

Current weather

9°C / 47°F
(overcast clouds)
Partly cloudy
Wind
4 mph
Humidity
78%

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

Wanganui average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Wanganui
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 15.6 17.3 17.5 16 14.5 13.7 12.5 12.1 12.5 12.6 13.3 14.6
Max °C 20 20 19.2 18.7 17.2 15.5 14.3 13.9 14.6 15.3 15.9 18.9
Min °F 61.8 64.2 64.1 61.8 59.1 57.4 55.2 54.5 55.3 55.7 57 60
Max °F 66.2 66.9 65.8 64.5 61.8 59.2 57 56.3 57.4 58.4 59.6 64.3

The warmest water temperature is in February with an average around 65.5°F / 18.6°C. The coldest month is August with an average water temperature of 55.4°F / 13.0°C.

7 day tide forecast for Wanganui

WedThuFriSatSunMonTue
  • High 2:51am
    (2.47m)
  • Low 9:15am
    (1.05m)
  • High 3:19pm
    (2.33m)
  • Low 9:31pm
    (1.14m)
  • High 3:39am
    (2.37m)
  • Low 10:02am
    (1.1m)
  • High 4:10pm
    (2.26m)
  • Low 10:24pm
    (1.22m)
  • High 4:33am
    (2.29m)
  • Low 10:55am
    (1.15m)
  • High 5:09pm
    (2.22m)
  • Low 11:26pm
    (1.26m)
  • High 5:35am
    (2.24m)
  • Low 11:58am
    (1.17m)
  • High 6:22pm
    (2.23m)
  • Low 12:38am
    (1.26m)
  • High 6:43am
    (2.24m)
  • Low 1:07pm
    (1.15m)
  • High 7:30pm
    (2.29m)
  • Low 1:44am
    (1.22m)
  • High 7:45am
    (2.28m)
  • Low 2:04pm
    (1.1m)
  • High 8:21pm
    (2.39m)
  • Low 2:34am
    (1.15m)
  • High 8:37am
    (2.36m)
  • Low 2:51pm
    (1.04m)
  • High 9:04pm
    (2.49m)
7 day tide times for Wanganui

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