All data are in degrees Fahrenheit

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Water temperature in Hamamatsu

Detailed information about the current water temperature in Hamamatsu. 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 Hamamatsu now

70.4

°F

May 30, 00:47

Trend:

stable

Yesterday:

70.7°F

Tomorrow:

70.4°F

Sunrise:

04:38

Sunset:

18:55

Day Length:

14 h. 17 min.

Hamamatsu in June

Minimum:

58.9°F

Average:

61.9°F

Maximum:

64.0°F

Sea water temperature in Hamamatsu today

As of now, in Hamamatsu, the water temperature is 70.4°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 1.4°F higher 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 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 70.6°F on 2018, while the historical minimum was 65.6°F on 2021.

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 70.9°F, with minimum temperature starting at 70.4°F, while the maximum might reach 71.2°F.

Daily water temperature in Hamamatsu

Date Current Year

actual* / forecast**

last year 10 years average
May 16 67.0°F 66.1°F 66.0°F
May 17 67.4°F 66.4°F 66.5°F
May 18 68.5°F 66.5°F 66.9°F
May 19 70.3°F 66.7°F 67.1°F
May 20 70.3°F 65.3°F 67.3°F
May 21 69.2°F 65.6°F 67.4°F
May 22 69.4°F 65.9°F 67.6°F
May 23 69.3°F 67.0°F 67.8°F
May 24 67.9°F 67.3°F 68.0°F
May 25 68.6°F 67.4°F 68.5°F
May 26 70.1°F 69.4°F 68.8°F
May 27 70.4°F 69.3°F 68.9°F
May 28 70.1°F 69.3°F 69.1°F
May 29 70.7°F 69.6°F 69.3°F
May 30 70.4°F 69.7°F 69.0°F
May 31 70.4°F 68.8°F 69.1°F
Jun 1 70.7°F 69.7°F 69.4°F
Jun 2 71.0°F 69.8°F 69.7°F
Jun 3 71.0°F 69.9°F 69.7°F
Jun 4 71.1°F 69.7°F 69.7°F
Jun 5 71.2°F 69.7°F 69.8°F
Jun 6 71.1°F 68.9°F 69.8°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 Hamamatsu by month

In Hamamatsu, the months July through October offer comfortable swimming conditions, which amounts to 131 swimming days.
The warmest water in Hamamatsu was recorded on August 17, 2024, reaching a 86.9°F. While the coldest temperature occurred on February 6, 2026, dipping to 54.6°F. The average readings by season are 62.1°F in Winter, 62.8°F in Spring, 77.6°F in Summer, and 75.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Yaizu 70.5°F 35mi
Shizuoka 70.0°F 42mi
Hekinan 74.5°F 44mi
Nagoya 71.4°F 57mi

* current water temperature in this city

** straight line distance from Hamamatsu