What is the current water temperature in Jamestown?

As of now, in Jamestown, the water temperature is 25.87°C. It's safe to say that the water is comfortably warm for various water-related activities.

Saint Helena > Jamestown

Water temperature in Jamestown

Detailed information about the current water temperature in Jamestown. 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.

78.6

°F

March 16, 12:16

Trend:

increasing

Yesterday:

78.3°F

Tomorrow:

78.6°F

Sunrise:

06:26

Sunset:

18:37

Day Length:

12 h. 11 min.

Jamestown in March

Minimum:

71.5°F

Average:

73.0°F

Maximum:

74.7°F

Sea water temperature in Jamestown today

As of now, in Jamestown, the water temperature is 78.6°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.1°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 79.4°F on 2024, while the historical minimum was 76.5°F on 2018.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 78.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Jamestown

Date	Current Year actual* / forecast**	last year	10 years average
Mar 2	78.0°F	76.4°F	77.4°F
Mar 3	77.9°F	76.6°F	77.4°F
Mar 4	77.8°F	76.6°F	77.5°F
Mar 5	77.8°F	76.5°F	77.6°F
Mar 6	77.7°F	76.6°F	77.5°F
Mar 7	77.8°F	76.5°F	77.5°F
Mar 8	77.9°F	76.6°F	77.6°F
Mar 9	77.9°F	76.5°F	77.5°F
Mar 10	77.9°F	76.7°F	77.5°F
Mar 11	78.1°F	76.9°F	77.6°F
Mar 12	78.3°F	76.6°F	77.6°F
Mar 13	78.0°F	76.5°F	77.5°F
Mar 14	78.4°F	76.7°F	77.6°F
Mar 15	78.3°F	76.8°F	77.6°F
Mar 16	78.6°F	76.7°F	77.5°F
Mar 17	78.6°F	76.6°F	77.6°F
Mar 18	78.6°F	76.8°F	77.5°F
Mar 19	78.7°F	77.0°F	77.6°F
Mar 20	78.7°F	77.2°F	77.6°F
Mar 21	78.7°F	77.5°F	77.7°F
Mar 22	78.7°F	77.3°F	77.6°F
Mar 23	78.7°F	77.3°F	77.6°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 Jamestown by month

In Jamestown, the months January through June offer comfortable swimming conditions, which amounts to 167 swimming days.

The warmest water in Jamestown was recorded on February 24, 2022, reaching a 79.6°F. While the coldest temperature occurred on October 11, 2022, dipping to 67.4°F. The average readings by season are 74.2°F in Winter, 76.8°F in Spring, 71.7°F in Summer, and 69.0°F in Autumn.