All data are in degrees Fahrenheit

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Water temperature in Douglas

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

59.5

°F

September 23, 12:13

Trend:

decreasing

Yesterday:

60.7°F

Tomorrow:

59.2°F

Sunrise:

07:05

Sunset:

19:15

Day Length:

12 h. 10 min.

Douglas in September

Minimum:

45.9°F

Average:

48.7°F

Maximum:

50.2°F

Sea water temperature in Douglas today

As of now, in Douglas, the water temperature is 59.5°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 aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 60.9°F on 2021, while the historical minimum was 57.8°F on 2018.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 59.1°F, the minimum temperature may reach 58.7°F, and the maximum might stay at 59.2°F.

Daily water temperature in Douglas

Date Current Year

actual* / forecast**

last year 10 years average
Sep 9 61.3°F 61.3°F 60.7°F
Sep 10 61.2°F 61.3°F 60.6°F
Sep 11 61.1°F 60.9°F 60.4°F
Sep 12 61.1°F 60.5°F 60.2°F
Sep 13 60.6°F 60.2°F 60.1°F
Sep 14 60.7°F 60.2°F 60.1°F
Sep 15 60.6°F 60.2°F 60.0°F
Sep 16 61.0°F 60.0°F 60.1°F
Sep 17 60.9°F 59.8°F 59.8°F
Sep 18 60.6°F 60.0°F 59.8°F
Sep 19 60.5°F 59.6°F 59.7°F
Sep 20 60.4°F 59.5°F 59.7°F
Sep 21 60.7°F 59.5°F 59.6°F
Sep 22 60.7°F 59.4°F 59.5°F
Sep 23 59.5°F 59.4°F 59.4°F
Sep 24 59.2°F 59.2°F 59.2°F
Sep 25 59.2°F 59.2°F 59.1°F
Sep 26 59.2°F 59.3°F 59.1°F
Sep 27 59.1°F 59.3°F 59.1°F
Sep 28 59.0°F 58.9°F 58.9°F
Sep 29 58.9°F 58.9°F 58.8°F
Sep 30 58.7°F 58.8°F 58.7°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 Douglas by month

In an average year, Douglas offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Douglas was recorded on August 26, 2026, reaching a 62.7°F. While the coldest temperature occurred on March 13, 2018, dipping to 42.2°F. The average readings by season are 48.5°F in Winter, 48.2°F in Spring, 57.8°F in Summer, and 57.1°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Holyhead 61.7°F 59mi
Bangor 61.4°F 65mi
Conwy 61.4°F 66mi

* current water temperature in this city

** straight line distance from Douglas