Yanai Water Temperature

(Today) 2024

12.1°C / 53.7°F

The water will feel cool (fresh). Probably too cold for all but seasoned swimmers. We'd recommend a 4mm or 5mm wetsuit if you want to stay in the water.

Current weather

5°C / 41°F
(few clouds)
Partly cloudy
Wind
11 mph
Humidity
39%

The measurements for the water temperature in Yanai, Yamaguchi 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.

Water temp by month

Monthly average max / min water temperatures

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

Yanai average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Yanai
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 12.8 11.4 11.7 13.2 14.6 18.2 22 25.7 24.1 22.1 18 14
Max °C 16.6 14.4 14.7 17.1 21.3 24.8 27.7 27.7 27.3 24.7 23.5 20.4
Min °F 56.6 53.7 54.3 57.3 60.9 67.4 73.8 79.1 76.7 72.8 66.6 59.8
Max °F 60.4 56.7 57.3 61.2 67.6 74 79.5 81.1 79.9 75.4 72.1 66.2

The warmest water temperature is in August with an average around 80.1°F / 26.7°C. The coldest month is February with an average water temperature of 55.2°F / 12.9°C.


7 day tide forecast for Yanai

SatSunMonTueWedThuFri
  • High 1:46am
    (2.77m)
  • Low 7:34am
    (1.32m)
  • High 1:19pm
    (2.67m)
  • Low 8:01pm
    (0.63m)
  • High 2:52am
    (2.56m)
  • Low 8:27am
    (1.63m)
  • High 1:57pm
    (2.47m)
  • Low 9:05pm
    (0.76m)
  • High 4:31am
    (2.44m)
  • Low 10:01am
    (1.87m)
  • High 2:59pm
    (2.28m)
  • Low 10:35pm
    (0.83m)
  • High 6:27am
    (2.52m)
  • Low 12:24pm
    (1.86m)
  • High 4:54pm
    (2.18m)
  • Low 12:10am
    (0.75m)
  • High 7:39am
    (2.73m)
  • Low 1:42pm
    (1.66m)
  • High 6:38pm
    (2.3m)
  • Low 1:21am
    (0.57m)
  • High 8:24am
    (2.93m)
  • Low 2:25pm
    (1.41m)
  • High 7:44pm
    (2.54m)
  • Low 2:13am
    (0.38m)
  • High 8:59am
    (3.1m)
  • Low 2:58pm
    (1.15m)
  • High 8:34pm
    (2.8m)
7 day tide times for Yanai

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