All data are in degrees Fahrenheit

en

Water temperature in Sendai

Detailed information about the current water temperature in Sendai. 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 Sendai now

46.4

°F

March 7, 19:18

Trend:

stable

Yesterday:

45.6°F

Tomorrow:

46.1°F

Sunrise:

06:01

Sunset:

17:35

Day Length:

11 h. 34 min.

Sendai in March

Minimum:

49.9°F

Average:

51.8°F

Maximum:

54.7°F

Sea water temperature in Sendai today

As of now, in Sendai, the water temperature is 46.4°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.5°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 fall a bit.

Recent sea temperature and forecast

Today's reading indicates a minor change compared to the average water temperature of the last two weeks, but the overall trend remains steady. 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 50.6°F on 2024, while the historical minimum was 44.0°F on 2018.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 46.3°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Sendai

Date Current Year

actual* / forecast**

last year 10 years average
Feb 21 46.4°F 49.8°F 47.3°F
Feb 22 46.5°F 49.7°F 47.0°F
Feb 23 47.1°F 49.6°F 47.0°F
Feb 24 46.8°F 49.9°F 47.0°F
Feb 25 46.5°F 49.5°F 46.9°F
Feb 26 46.6°F 50.3°F 47.0°F
Feb 27 46.5°F 50.4°F 47.0°F
Feb 28 46.3°F 49.5°F 46.9°F
Mar 1 46.7°F 49.5°F 47.3°F
Mar 2 46.1°F 50.6°F 47.1°F
Mar 3 46.0°F 50.6°F 47.3°F
Mar 4 46.2°F 50.0°F 47.2°F
Mar 5 46.2°F 49.5°F 47.1°F
Mar 6 45.6°F 48.6°F 47.1°F
Mar 7 46.4°F 49.0°F 46.9°F
Mar 8 46.1°F 47.5°F 46.6°F
Mar 9 46.1°F 47.3°F 46.6°F
Mar 10 46.5°F 48.3°F 47.0°F
Mar 11 46.4°F 47.7°F 46.9°F
Mar 12 46.4°F 48.4°F 46.9°F
Mar 13 46.4°F 48.3°F 46.9°F
Mar 14 46.3°F 47.6°F 46.8°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 Sendai by month

In Sendai, the months July through September offer comfortable swimming conditions, which amounts to 73 swimming days.
The warmest water in Sendai was recorded on August 6, 2023, reaching a 84.7°F. While the coldest temperature occurred on February 23, 2018, dipping to 42.6°F. The average readings by season are 51.0°F in Winter, 52.1°F in Spring, 73.2°F in Summer, and 68.6°F in Autumn.