World sea water temperatures

Water temperature in Ishinomaki

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This data the coastal Ishinomaki 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 Ishinomaki

Water temperature in Ishinomaki today is 25.8°C. Based on our historical data over a period of ten years, the warmest water in this day in the Pacific Ocean near Ishinomaki was recorded in 2024 and was 26.2°C, and the coldest was recorded in 2017 at 21.3°C. Sea water temperature in Ishinomaki is expected to drop to 23.3°C in the next 10 days. September average water temperature in Ishinomaki is 23°C, the minimum temperature is 19.6°C, and the maximum is 28°C.

The swimming season in Ishinomaki lasts from July to October. During those months, Ishinomaki water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Ishinomaki in winter reaches 10.3°C, in spring 10.5°C, in summer the average temperature rises to 21.8°C, and in autumn it is 19.6°C.

Ishinomaki water temperature now


5 September 2025
today temp
25.8°C
4 September 2025
yesterday temp
26.1°C


The sea salinity in Ishinomaki is 33.51‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Ishinomaki 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 Ishinomaki. 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 Ishinomaki. Data in table shown for 6 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

0-3 h3-6 h6-9 h9-12 h
2' 3"2' 3"2' 3"2' 6"
0.68 m0.68 m0.68 m0.77 m
12-15 h15-18 h18-21 h21-24 h
2' 9"3' 0"2' 11"2' 9"
0.85 m0.91 m0.89 m0.84 m

Surf report in Ishinomaki

Ishinomaki wave height and direction

Ishinomaki weather forecast

Ishinomaki wind speed and direction

Current temperature and weather

Data in a table show Ishinomaki temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Ishinomaki.

0-3 h3-6 h6-9 h9-12 h
22.9°C22.7°C22.5°C22.3°C
12-15 h15-18 h18-21 h21-24 h
24.2°C25.5°C22.6°C22.3°C

You may also be interested in other sections of our site for Ishinomaki: Sunrise and Sunset, Tides

Ishinomaki water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Ishinomaki. 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 Ishinomaki 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

MonthAvrMinMax
January9.8°C6.8°C14.8°Ccold
Sea water temperature in Ishinomaki in January
February8.2°C5.9°C14.3°Ccold
Sea water temperature in Ishinomaki in February
March7.7°C5.3°C13.2°Ccold
Sea water temperature in Ishinomaki in March
April10.2°C6.2°C16.3°Ccold
Sea water temperature in Ishinomaki in April
May13.6°C8.9°C18.8°Ccold
Sea water temperature in Ishinomaki in May
June18.3°C14.3°C23.1°Ccold
Sea water temperature in Ishinomaki in June
July22.5°C18.1°C29.2°Cwarm
Sea water temperature in Ishinomaki in July
August24.7°C20.6°C30°Cwarm
Sea water temperature in Ishinomaki in August
September23°C19.6°C28°Cwarm
Sea water temperature in Ishinomaki in September
October19.5°C16.3°C23.8°Ccold
Sea water temperature in Ishinomaki in October
November16.2°C13.5°C19.6°Ccold
Sea water temperature in Ishinomaki in November
December12.9°C8.3°C16.9°Ccold
Sea water temperature in Ishinomaki in December

Chart monthly average water temperature in Ishinomaki

Water temperature in Ishinomaki

Where is the warmest sea water in the world?

If you want to plan a vacation on the beach and enjoy the warm sea, choose the day of the year, region and the minimum comfortable sea/ocean temperature that interests you. As a result, you will get a list of countries and cities in which the average sea temperature or maximum temperature on this day over the past 10 years exceeds your chosen value

Region
Date (day and month)
Water temperature: min 16°C
 Average temperature  Maximum temperature

Nearby beaches and cities

The nearest beaches and cities from Ishinomaki 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

WaterWeatherWave
Shiogama26.6°C25°C0.94 m
Sendai Shi26.8°C26°C1.11 m
Kitaibaraki25.2°C25°C1.32 m
Takahagi24.9°C25°C1.26 m
Niigata-Shi28.3°C27°C0.34 m
Hitachi25.1°C25°C1.32 m
Oarai24.5°C26°C1.35 m
Kashiwazaki28.9°C27°C0.25 m
Aomori Shi26°C26°C0.04 m
Hasaki25.7°C25°C1 m

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Ishinomaki 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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