What is the current water temperature in Plymouth?

Q: What is the current water temperature in Plymouth?

As of now, in Plymouth, the water temperature is 14.66°C. 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.

United Kingdom > Plymouth

Water temperature in Plymouth

Detailed information about the current water temperature in Plymouth. 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.

58.4

°F

November 2, 13:25

Trend:

decreasing

Yesterday:

58.6°F

Tomorrow:

58.2°F

Sunrise:

07:08

Sunset:

16:51

Day Length:

9 h. 43 min.

Plymouth in November

Minimum:

49.7°F

Average:

50.9°F

Maximum:

51.8°F

Sea water temperature in Plymouth today

As of now, in Plymouth, the water temperature is 58.4°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 0.4°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 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 59.5°F on 2022, while the historical minimum was 57.1°F on 2025.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 57.7°F, the minimum temperature may reach 57.4°F, and the maximum might stay at 58.2°F.

Daily water temperature in Plymouth

Date	Current Year actual* / forecast**	last year	10 years average
Oct 19	61.4°F	58.0°F	59.4°F
Oct 20	61.0°F	58.1°F	59.3°F
Oct 21	61.1°F	58.5°F	59.3°F
Oct 22	60.6°F	58.4°F	59.2°F
Oct 23	60.4°F	58.4°F	59.1°F
Oct 24	59.9°F	58.2°F	59.0°F
Oct 25	59.8°F	58.0°F	58.9°F
Oct 26	59.1°F	57.8°F	58.7°F
Oct 27	59.2°F	57.8°F	58.7°F
Oct 28	58.9°F	57.5°F	58.6°F
Oct 29	58.8°F	57.4°F	58.4°F
Oct 30	58.7°F	57.1°F	58.3°F
Oct 31	58.7°F	57.0°F	58.3°F
Nov 1	58.6°F	57.2°F	58.3°F
Nov 2	58.4°F	57.1°F	58.0°F
Nov 3	58.2°F	56.8°F	57.8°F
Nov 4	57.9°F	56.6°F	57.5°F
Nov 5	57.8°F	56.5°F	57.4°F
Nov 6	57.8°F	56.5°F	57.4°F
Nov 7	57.6°F	56.6°F	57.3°F
Nov 8	57.5°F	56.9°F	57.2°F
Nov 9	57.4°F	56.8°F	57.1°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 Plymouth by month

In an average year, Plymouth offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Plymouth was recorded on August 15, 2022, reaching a 66.6°F. While the coldest temperature occurred on March 20, 2018, dipping to 45.6°F. The average readings by season are 50.9°F in Winter, 51.2°F in Spring, 60.7°F in Summer, and 59.3°F in Autumn.