All data are in degrees Fahrenheit

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Water temperature in Cork

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

60.3

°F

September 12, 22:18

Trend:

decreasing

Yesterday:

60.6°F

Tomorrow:

60.1°F

Sunrise:

07:03

Sunset:

19:57

Day Length:

12 h. 54 min.

Cork in September

Minimum:

47.8°F

Average:

49.1°F

Maximum:

50.3°F

Sea water temperature in Cork today

As of now, in Cork, the water temperature is 60.3°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 about the same as 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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 63.7°F on 2023, while the historical minimum was 58.6°F on 2017.

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 shows a gradual cooling trend. The average temperature is expected to be 59.8°F, the minimum temperature may reach 59.6°F, and the maximum might stay at 60.1°F.

Daily water temperature in Cork

Date Current Year

actual* / forecast**

last year 10 years average
Aug 29 63.6°F 63.7°F 60.7°F
Aug 30 64.2°F 63.6°F 60.9°F
Aug 31 64.1°F 63.1°F 60.9°F
Sep 1 63.9°F 62.8°F 60.9°F
Sep 2 63.9°F 62.5°F 60.9°F
Sep 3 63.6°F 62.2°F 60.9°F
Sep 4 63.7°F 62.8°F 61.1°F
Sep 5 63.1°F 62.5°F 61.1°F
Sep 6 62.6°F 62.3°F 61.1°F
Sep 7 62.4°F 62.0°F 61.1°F
Sep 8 61.9°F 61.6°F 61.0°F
Sep 9 61.5°F 61.2°F 60.7°F
Sep 10 61.3°F 61.1°F 60.7°F
Sep 11 60.6°F 61.3°F 60.5°F
Sep 12 60.3°F 60.7°F 60.2°F
Sep 13 60.1°F 60.4°F 60.0°F
Sep 14 60.0°F 60.2°F 59.9°F
Sep 15 59.8°F 59.8°F 59.7°F
Sep 16 59.7°F 59.6°F 59.6°F
Sep 17 59.6°F 59.3°F 59.5°F
Sep 18 59.6°F 59.0°F 59.5°F
Sep 19 59.6°F 58.8°F 59.5°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 Cork by month

In an average year, Cork offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Cork was recorded on July 25, 2026, reaching a 67.1°F. While the coldest temperature occurred on March 22, 2018, dipping to 44.9°F. The average readings by season are 49.1°F in Winter, 50.6°F in Spring, 59.8°F in Summer, and 56.6°F in Autumn.