What is the current water temperature in Portsmouth?

As of now, in Portsmouth, the water temperature is 27.71°C. It's safe to say that the water is comfortably warm for various water-related activities.

Dominica > Portsmouth

Water temperature in Portsmouth

Detailed information about the current water temperature in Portsmouth. 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.

81.9

°F

April 29, 23:31

Trend:

stable

Yesterday:

81.9°F

Tomorrow:

81.9°F

Sunrise:

05:43

Sunset:

18:23

Day Length:

12 h. 40 min.

Portsmouth in May

Minimum:

80.2°F

Average:

81.2°F

Maximum:

82.4°F

Sea water temperature in Portsmouth today

As of now, in Portsmouth, the water temperature is 81.9°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.5°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 stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 83.2°F on 2024, while the historical minimum was 80.4°F on 2022.

latest data

last year

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 82.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Portsmouth

Date	Current Year actual* / forecast**	last year	10 years average
Apr 15	81.5°F	82.7°F	80.9°F
Apr 16	81.5°F	82.9°F	81.1°F
Apr 17	81.4°F	83.1°F	81.1°F
Apr 18	81.5°F	83.0°F	81.1°F
Apr 19	81.4°F	82.9°F	81.0°F
Apr 20	81.4°F	82.6°F	81.0°F
Apr 21	81.8°F	82.3°F	81.1°F
Apr 22	81.7°F	82.9°F	81.1°F
Apr 23	81.6°F	82.7°F	81.2°F
Apr 24	81.6°F	83.2°F	81.3°F
Apr 25	81.6°F	83.0°F	81.2°F
Apr 26	81.5°F	83.1°F	81.2°F
Apr 27	81.7°F	83.0°F	81.2°F
Apr 28	81.9°F	83.4°F	81.5°F
Apr 29	81.9°F	83.2°F	81.4°F
Apr 30	81.9°F	83.3°F	81.4°F
May 1	82.0°F	83.7°F	81.5°F
May 2	82.0°F	83.8°F	81.5°F
May 3	82.1°F	83.9°F	81.6°F
May 4	82.1°F	83.8°F	81.6°F
May 5	82.1°F	83.8°F	81.6°F
May 6	82.2°F	84.2°F	81.7°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 Portsmouth by month

In Portsmouth, the water temperature is comfortable for swimming all year round.

The warmest water in Portsmouth was recorded on September 17, 2023, reaching a 87.0°F. While the coldest temperature occurred on March 3, 2019, dipping to 78.9°F. The average readings by season are 81.1°F in Winter, 81.0°F in Spring, 83.2°F in Summer, and 84.5°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Basse-Terre	81.7°F	34mi
Port-Louis	81.5°F	58mi
Fort-de-France	82.0°F	72mi

* current water temperature in this city

** straight line distance from Portsmouth