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

77.6

°F

July 18, 06:49

Trend:

increasing

Yesterday:

77.3°F

Tomorrow:

77.9°F

Sunrise:

04:49

Sunset:

19:02

Day Length:

14 h. 13 min.

Hamamatsu in July

Minimum:

59.3°F

Average:

61.8°F

Maximum:

64.4°F

Sea water temperature in Hamamatsu today

As of now, in Hamamatsu, the water temperature is 77.6°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.0°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 81.4°F on 2018, while the historical minimum was 75.8°F on 2019.

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 minimum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 78.6°F, with minimum temperature starting at 77.9°F, while the maximum might reach 79.3°F.

Daily water temperature in Hamamatsu

Date Current Year

actual* / forecast**

last year 10 years average
Jul 4 74.2°F 78.6°F 75.9°F
Jul 5 75.0°F 78.1°F 76.0°F
Jul 6 75.0°F 79.5°F 76.5°F
Jul 7 74.6°F 79.1°F 76.4°F
Jul 8 74.3°F 79.0°F 76.5°F
Jul 9 74.4°F 80.0°F 76.6°F
Jul 10 75.5°F 81.0°F 76.7°F
Jul 11 76.4°F 81.0°F 77.0°F
Jul 12 76.0°F 80.8°F 77.3°F
Jul 13 77.0°F 80.4°F 77.2°F
Jul 14 78.1°F 81.5°F 77.6°F
Jul 15 77.4°F 81.7°F 78.0°F
Jul 16 78.0°F 81.2°F 78.3°F
Jul 17 77.3°F 81.2°F 78.3°F
Jul 18 77.6°F 81.0°F 78.6°F
Jul 19 77.9°F 80.5°F 78.9°F
Jul 20 78.3°F 81.4°F 79.3°F
Jul 21 78.4°F 82.0°F 79.4°F
Jul 22 78.8°F 81.7°F 79.8°F
Jul 23 78.8°F 82.3°F 79.8°F
Jul 24 79.0°F 82.2°F 80.0°F
Jul 25 79.3°F 83.5°F 80.3°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, 77.5°F in Summer, and 75.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Yaizu 78.6°F 35mi
Shizuoka 78.0°F 42mi
Hekinan 83.8°F 44mi
Nagoya 83.7°F 57mi

* current water temperature in this city

** straight line distance from Hamamatsu