What is the current water temperature in Ishigaki?

As of now, in Ishigaki, the water temperature is 25.51°C. It's safe to say that the water is comfortably warm for various water-related activities.

Japan > Ishigaki

Water temperature in Ishigaki

Detailed information about the current water temperature in Ishigaki. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

77.9

°F

May 11, 13:39

Trend:

stable

Yesterday:

78.1°F

Tomorrow:

78.0°F

Sunrise:

06:03

Sunset:

19:17

Day Length:

13 h. 14 min.

Ishigaki in May

Minimum:

73.7°F

Average:

75.3°F

Maximum:

76.9°F

Sea water temperature in Ishigaki today

As of now, in Ishigaki, the water temperature is 77.9°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.5°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 81.2°F on 2016, while the historical minimum was 77.3°F on 2023.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 78.2°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Ishigaki

Date	Current Year actual* / forecast**	last year	10 years average
Apr 27	78.3°F	76.2°F	77.6°F
Apr 28	77.5°F	76.8°F	77.7°F
Apr 29	78.1°F	76.4°F	78.0°F
Apr 30	79.0°F	76.3°F	78.2°F
May 1	78.3°F	76.2°F	78.0°F
May 2	78.1°F	76.7°F	78.0°F
May 3	78.1°F	76.5°F	78.4°F
May 4	78.3°F	76.9°F	78.4°F
May 5	77.9°F	77.4°F	78.4°F
May 6	78.1°F	77.8°F	78.7°F
May 7	78.4°F	78.4°F	79.1°F
May 8	78.7°F	77.5°F	79.0°F
May 9	78.2°F	77.4°F	79.1°F
May 10	78.1°F	77.9°F	79.6°F
May 11	77.9°F	77.7°F	79.4°F
May 12	78.0°F	77.8°F	79.5°F
May 13	78.0°F	77.5°F	79.5°F
May 14	77.9°F	78.1°F	79.4°F
May 15	78.2°F	78.4°F	79.8°F
May 16	78.4°F	78.9°F	79.9°F
May 17	78.6°F	79.8°F	80.1°F
May 18	78.7°F	79.9°F	80.2°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Ishigaki by month

In Ishigaki, the water temperature is comfortable for swimming all year round.

The warmest water in Ishigaki was recorded on July 19, 2024, reaching a 88.6°F. While the coldest temperature occurred on February 14, 2025, dipping to 71.5°F. The average readings by season are 75.1°F in Winter, 76.9°F in Spring, 84.7°F in Summer, and 82.4°F in Autumn.