All data are in degrees Fahrenheit

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Water temperature in Giresun

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

53.3

°F

April 9, 00:31

Trend:

increasing

Yesterday:

53.2°F

Tomorrow:

53.7°F

Sunrise:

05:58

Sunset:

18:59

Day Length:

13 h. 1 min.

Giresun in April

Minimum:

50.1°F

Average:

52.6°F

Maximum:

54.3°F

Sea water temperature in Giresun today

As of now, in Giresun, the water temperature is 53.3°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 2.3°F higher than 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 rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 53.8°F on 2025, while the historical minimum was 49.2°F on 2022.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 53.9°F, with minimum temperature starting at 53.5°F, while the maximum might reach 54.3°F.

Daily water temperature in Giresun

Date Current Year

actual* / forecast**

last year 10 years average
Mar 26 47.4°F 49.8°F 48.3°F
Mar 27 48.7°F 49.8°F 48.4°F
Mar 28 49.5°F 50.1°F 48.4°F
Mar 29 50.5°F 49.9°F 48.7°F
Mar 30 50.7°F 50.1°F 48.9°F
Mar 31 50.7°F 49.8°F 49.1°F
Apr 1 51.8°F 50.3°F 49.6°F
Apr 2 53.0°F 50.2°F 49.7°F
Apr 3 53.9°F 51.0°F 50.1°F
Apr 4 52.9°F 50.3°F 49.9°F
Apr 5 52.2°F 50.1°F 50.2°F
Apr 6 51.6°F 50.0°F 50.0°F
Apr 7 52.8°F 52.7°F 50.6°F
Apr 8 53.2°F 54.3°F 50.9°F
Apr 9 53.3°F 53.8°F 50.9°F
Apr 10 53.7°F 53.5°F 51.3°F
Apr 11 53.5°F 51.1°F 51.2°F
Apr 12 54.0°F 51.4°F 51.6°F
Apr 13 54.1°F 51.4°F 51.7°F
Apr 14 53.6°F 51.4°F 51.2°F
Apr 15 54.1°F 51.4°F 51.7°F
Apr 16 54.3°F 51.3°F 52.0°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 Giresun by month

In Giresun, the months July through September offer comfortable swimming conditions, which amounts to 94 swimming days.
The warmest water in Giresun was recorded on August 23, 2023, reaching a 83.1°F. While the coldest temperature occurred on February 19, 2017, dipping to 44.2°F. The average readings by season are 51.7°F in Winter, 53.3°F in Spring, 75.9°F in Summer, and 68.8°F in Autumn.