All data are in degrees Fahrenheit

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Water temperature in Hakodate

Detailed information about the current water temperature in Hakodate. 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.
Sea temperature in Hakodate now

69.9

°F

July 14, 18:35

Trend:

stable

Yesterday:

67.7°F

Tomorrow:

69.8°F

Sunrise:

04:14

Sunset:

19:11

Day Length:

14 h. 57 min.

Hakodate in July

Minimum:

46.9°F

Average:

49.7°F

Maximum:

51.6°F

Sea water temperature in Hakodate today

As of now, in Hakodate, the water temperature is 69.9°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 2.9°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 69.2°F on 2022, while the historical minimum was 64.1°F on 2018.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 70.8°F, with minimum temperature starting at 69.8°F, while the maximum might reach 71.9°F.

Daily water temperature in Hakodate

Date Current Year

actual* / forecast**

last year 10 years average
Jun 30 63.6°F 65.2°F 62.8°F
Jul 1 65.2°F 65.0°F 63.1°F
Jul 2 65.2°F 63.9°F 63.3°F
Jul 3 65.2°F 63.7°F 63.2°F
Jul 4 66.0°F 63.4°F 63.4°F
Jul 5 65.9°F 64.1°F 63.6°F
Jul 6 67.6°F 64.9°F 64.2°F
Jul 7 68.8°F 64.9°F 64.0°F
Jul 8 69.4°F 64.1°F 64.6°F
Jul 9 69.6°F 64.8°F 65.2°F
Jul 10 68.2°F 65.6°F 65.4°F
Jul 11 68.6°F 65.5°F 65.8°F
Jul 12 69.2°F 65.8°F 65.9°F
Jul 13 67.7°F 65.7°F 66.5°F
Jul 14 69.9°F 66.9°F 67.0°F
Jul 15 69.8°F 66.9°F 66.9°F
Jul 16 70.3°F 68.9°F 67.3°F
Jul 17 70.8°F 70.1°F 67.9°F
Jul 18 70.9°F 70.5°F 67.9°F
Jul 19 71.0°F 71.4°F 68.1°F
Jul 20 71.3°F 71.6°F 68.4°F
Jul 21 71.9°F 72.5°F 69.0°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 Hakodate by month

In Hakodate, August is the only month that offers comfortable swimming conditions. The amount of days when the water is warm enough is only 41.
The warmest water in Hakodate was recorded on September 1, 2023, reaching a 82.2°F. While the coldest temperature occurred on February 20, 2017, dipping to 42.5°F. The average readings by season are 49.5°F in Winter, 48.2°F in Spring, 66.6°F in Summer, and 65.7°F in Autumn.