Water temperature in Funabashi in August

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Is it warm enough to swim in Funabashi in August? Average water temperature in Funabashi in August is 27.6°C and therefore suitable for comfortable swimming. The warmest sea in Funabashi in August is 30.9°C, and the coldest is 24.9°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Funabashi

Changes water temperature in Funabashi in August 2025, 2024

To get an accurate forecast for the water temperature in Funabashi for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Funabashi, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of August.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 August	27.6°C	30.3°C	24.9°C	30.3°C
2 August	27.4°C	29.7°C	25°C	30.1°C
3 August	28.2°C	29.6°C	25.2°C	30°C
4 August	28°C	29.9°C	25.2°C	29.9°C
5 August	28.4°C	30.9°C	25°C	30.9°C
6 August	29.5°C	30.3°C	25.4°C	30.3°C
7 August	29°C	29.9°C	25.4°C	29.9°C
8 August	29.2°C	30.4°C	25.8°C	30.4°C
9 August	29.1°C	30.2°C	25.8°C	30.2°C
10 August	28.9°C	30°C	25.5°C	30.1°C
11 August	28.7°C	30.1°C	25.6°C	30.1°C
12 August	28.6°C	29.7°C	25.5°C	30°C
13 August	28.4°C	29.9°C	25.2°C	30.1°C
14 August	28.2°C	29.7°C	25.8°C	30°C
15 August	29.1°C	29.8°C	26.1°C	30.7°C

Day	2025	2024	Min	Max
16 August	28.7°C	29.6°C	26°C	29.6°C
17 August	28.6°C	28.9°C	26°C	29.7°C
18 August	28.9°C	29.5°C	26.1°C	29.7°C
19 August	28.7°C	29.4°C	26.4°C	30°C
20 August	29.4°C	29.5°C	26.3°C	30.6°C
21 August	29.2°C	29.5°C	26.1°C	30.5°C
22 August	29.5°C	29.9°C	26.1°C	29.9°C
23 August	28.8°C	29.2°C	26.2°C	30.4°C
24 August	29.6°C	30.2°C	25.8°C	30.2°C
25 August	30.6°C	29.3°C	25.5°C	30.6°C
26 August	30.1°C	29°C	25.5°C	30.1°C
27 August	29.5°C	29°C	25.6°C	29.6°C
28 August	29.8°C	28.6°C	25.5°C	29.8°C
29 August	29.2°C	28.5°C	25.7°C	29.6°C
30 August	30.4°C	28.4°C	25.7°C	30.4°C
31 August	30.6°C	28.1°C	25.3°C	30.6°C

Average water temperature in Funabashi in August over a decade

2016	2017	2018	2019	2020
27.2°C	27°C	27.7°C	28.8°C	28.7°C

2021	2022	2023	2024	2025
28°C	28.4°C	29.7°C	29.6°C	28.5°C

Funabashi sea state in August

Chart comparing the height of waves in Funabashi in August over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Funabashi water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in August. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Narashino	27.6°C	24.9°C	30.6°C
Ichikawa	27.6°C	24.9°C	30.8°C
Chiba	27.5°C	24.9°C	30.5°C
Ichihara	27.5°C	24.9°C	30.4°C
Shinagawa Ku	27.4°C	24.9°C	30.5°C
Kawasaki	27.3°C	24.7°C	30.4°C
Kisarazu	27°C	24.5°C	29.8°C
Futtsu	26.8°C	24.3°C	29.2°C
Yokosuka	26.7°C	24.3°C	29.4°C
Kamakura	26.7°C	24°C	29.3°C

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Our report for Funabashi is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature