Water temperature in Toyohashi

This data the coastal Toyohashi sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current sea temperature in Toyohashi

Water temperature in Toyohashi today is 27.6°C. Based on our historical data over a period of ten years, the warmest water in this day in Toyohashi was recorded in 2023 and was 28.9°C, and the coldest was recorded in 2009 at 24.9°C. Sea water temperature in Toyohashi is expected to drop to 26.5°C in the next 10 days. September average water temperature in Toyohashi is 26.3°C, the minimum temperature is 23.7°C, and the maximum is 29.7°C.

The swimming season in Toyohashi lasts from June to November. During those months, Toyohashi water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Toyohashi in winter reaches 16.1°C, in spring 16.9°C, in summer the average temperature rises to 25°C, and in autumn it is 23.5°C.

Toyohashi water temperature now

The sea salinity in Toyohashi is 33.47‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Toyohashi for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Toyohashi. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Toyohashi. Data in table shown for 5 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Toyohashi

Toyohashi weather forecast

Current temperature and weather

Data in a table show Toyohashi temperature today (5 September 2025). For more information and forecast for a few days, go to the weather forecast Toyohashi.

0-3 h	3-6 h	6-9 h	9-12 h
24°C	23.5°C	25.2°C	25°C

12-15 h	15-18 h	18-21 h	21-24 h
25.4°C	24.7°C	24.6°C	24.6°C

Toyohashi water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Toyohashi. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Toyohashi on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Toyohashi

The nearest beaches and cities from Toyohashi with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Kosai Shi	27.7°C	25°C		1.78 m
Hamamatsu	27.4°C	25°C		2.1 m
Hekinan	28.8°C	25°C		0.39 m
Handa	29°C	25°C		0.39 m
Toba	27.6°C	25°C		1.26 m
Oyama	27.7°C	26°C		2.84 m
Nagoya	29.2°C	24°C		0.27 m
Kuwana	29.5°C	24°C		0.21 m
Suzuka	28.9°C	24°C		0.34 m
Yokkaichi	28.9°C	24°C		0.34 m

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Our report for Toyohashi 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.