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

78.4

°F

September 26, 17:32

Trend:

decreasing

Yesterday:

78.6°F

Tomorrow:

78.2°F

Sunrise:

05:39

Sunset:

17:41

Day Length:

12 h. 2 min.

Hamamatsu in October

Minimum:

56.9°F

Average:

60.9°F

Maximum:

62.7°F

Sea water temperature in Hamamatsu today

As of now, in Hamamatsu, the water temperature is 78.4°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is about the same as 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 fall 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 aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 80.6°F on 2024, while the historical minimum was 77.2°F on 2016.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 78.1°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Hamamatsu

Date Current Year

actual* / forecast**

last year 10 years average
Sep 12 78.8°F 80.9°F 81.4°F
Sep 13 77.9°F 80.7°F 81.3°F
Sep 14 78.3°F 80.6°F 81.2°F
Sep 15 78.1°F 81.1°F 80.9°F
Sep 16 77.9°F 80.6°F 80.6°F
Sep 17 78.1°F 80.8°F 80.7°F
Sep 18 77.9°F 81.0°F 80.8°F
Sep 19 77.8°F 80.7°F 80.4°F
Sep 20 77.5°F 80.3°F 80.1°F
Sep 21 77.4°F 80.2°F 79.8°F
Sep 22 77.6°F 79.3°F 79.5°F
Sep 23 77.4°F 78.8°F 79.3°F
Sep 24 78.1°F 79.0°F 79.1°F
Sep 25 78.6°F 78.8°F 78.9°F
Sep 26 78.4°F 77.7°F 78.5°F
Sep 27 78.2°F 77.5°F 78.4°F
Sep 28 78.4°F 77.3°F 78.5°F
Sep 29 78.4°F 78.3°F 78.5°F
Sep 30 78.1°F 78.2°F 78.2°F
Oct 1 78.0°F 78.1°F 78.2°F
Oct 2 77.9°F 77.1°F 78.1°F
Oct 3 77.7°F 76.9°F 77.8°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, 77.5°F in Summer, and 75.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Yaizu 77.1°F 35mi
Shizuoka 76.9°F 42mi
Hekinan 78.6°F 44mi
Nagoya 78.0°F 57mi

* current water temperature in this city

** straight line distance from Hamamatsu