Ōkawa Water Temperature

(Today) 2025

27.4°C / 81.4°F

The water will feel hot. Water temperature similar to a heated indoor swimming pool.

Current weather

27°C / 81°F
(broken clouds)
Partly cloudy
Wind
6 mph
Humidity
83%

The measurements for the water temperature in Ōkawa, Saga 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 Ōkawa water temperature derived from many years of historical sea surface temperature data.

Ōkawa average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Ōkawa
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 13.6 13 13 13.7 15.6 19 23 25.9 23.8 22.3 18.9 15.2
Max °C 17.8 15.1 14.7 17.2 20.8 24.3 27.4 28.9 28.1 25.2 23.1 20.7
Min °F 58.2 56.2 56 58 62.2 68.3 75.2 79.8 76.5 73.3 67.7 61.5
Max °F 62.4 58.3 57.7 61.5 67.4 73.6 79.6 82.8 80.8 76.2 71.9 67

The warmest water temperature is in August with an average around 81.3°F / 27.4°C. The coldest month is March with an average water temperature of 56.8°F / 13.8°C.

7 day tide forecast for Ōkawa

ThuFriSatSunMonTueWed
  • Low 12:29am
    (2.47m)
  • High 6:08am
    (3.66m)
  • Low 12:42pm
    (1.53m)
  • High 7:25pm
    (4.2m)
  • Low 1:29am
    (2.04m)
  • High 7:17am
    (4.07m)
  • Low 1:37pm
    (1.16m)
  • High 8:06pm
    (4.57m)
  • Low 2:09am
    (1.59m)
  • High 8:03am
    (4.51m)
  • Low 2:19pm
    (0.82m)
  • High 8:39pm
    (4.88m)
  • Low 2:43am
    (1.17m)
  • High 8:42am
    (4.89m)
  • Low 2:55pm
    (0.58m)
  • High 9:09pm
    (5.12m)
  • Low 3:14am
    (0.82m)
  • High 9:17am
    (5.18m)
  • Low 3:28pm
    (0.44m)
  • High 9:39pm
    (5.26m)
  • Low 3:44am
    (0.55m)
  • High 9:51am
    (5.37m)
  • Low 4:00pm
    (0.42m)
  • High 10:07pm
    (5.32m)
  • Low 4:14am
    (0.39m)
  • High 10:24am
    (5.42m)
  • Low 4:31pm
    (0.52m)
  • High 10:35pm
    (5.28m)
7 day tide times for Ōkawa

*These tide times are estimates based on the nearest accurate location (Wakatu, Saga, 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.