What is the current water temperature in Hakodate?

Q: What is the current water temperature in Hakodate?

As of now, in Hakodate, the water temperature is 14.48°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

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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.

58.1

°F

June 19, 09:54

Trend:

stable

Yesterday:

58.3°F

Tomorrow:

58.6°F

Sunrise:

04:02

Sunset:

19:15

Day Length:

15 h. 13 min.

Hakodate in June

Minimum:

47.5°F

Average:

50.2°F

Maximum:

51.7°F

Sea water temperature in Hakodate today

As of now, in Hakodate, the water temperature is 58.1°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.0°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 rise a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 62.5°F on 2024, while the historical minimum was 55.7°F on 2018.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 59.4°F, with minimum temperature starting at 58.5°F, while the maximum might reach 60.4°F.

Daily water temperature in Hakodate

Date	Current Year actual* / forecast**	last year	10 years average
Jun 5	57.4°F	55.2°F	56.0°F
Jun 6	57.0°F	55.4°F	56.3°F
Jun 7	56.6°F	56.0°F	56.6°F
Jun 8	57.0°F	56.9°F	56.8°F
Jun 9	57.1°F	57.0°F	56.9°F
Jun 10	55.5°F	58.1°F	56.9°F
Jun 11	57.7°F	57.9°F	57.5°F
Jun 12	56.5°F	57.7°F	57.3°F
Jun 13	58.3°F	57.0°F	57.7°F
Jun 14	59.3°F	57.6°F	58.0°F
Jun 15	59.5°F	57.6°F	58.5°F
Jun 16	58.6°F	59.3°F	58.9°F
Jun 17	58.2°F	59.2°F	59.0°F
Jun 18	58.3°F	58.6°F	59.3°F
Jun 19	58.1°F	58.8°F	59.1°F
Jun 20	58.6°F	60.0°F	59.6°F
Jun 21	58.5°F	59.6°F	59.5°F
Jun 22	59.1°F	59.7°F	60.1°F
Jun 23	59.5°F	60.5°F	60.5°F
Jun 24	59.9°F	62.7°F	60.9°F
Jun 25	60.1°F	63.2°F	61.1°F
Jun 26	60.4°F	63.2°F	61.4°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 45.

The warmest water in Hakodate was recorded on September 1, 2023, reaching a 82.2°F. While the coldest temperature occurred on March 30, 2026, dipping to 41.5°F. The average readings by season are 49.6°F in Winter, 48.2°F in Spring, 66.8°F in Summer, and 66.0°F in Autumn.