All data are in degrees Fahrenheit

en

Water temperature in Saint Lucia Estuary

Detailed information about the current water temperature in Saint Lucia Estuary. 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 Saint Lucia Estuary now

76.8

°F

December 16, 00:15

Trend:

increasing

Yesterday:

76.6°F

Tomorrow:

76.9°F

Sunrise:

04:48

Sunset:

18:44

Day Length:

13 h. 56 min.

Saint Lucia Estuary in December

Minimum:

77.8°F

Average:

79.6°F

Maximum:

82.7°F

Sea water temperature in Saint Lucia Estuary today

As of now, in Saint Lucia Estuary, the water temperature is 76.8°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.8°F lower 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 rise a bit.

Recent sea temperature and forecast

Today's water temperature is slightly 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 79.3°F on 2022, while the historical minimum was 75.9°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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 77.1°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Saint Lucia Estuary

Date Current Year

actual* / forecast**

last year 10 years average
Dec 2 77.4°F 76.4°F 76.6°F
Dec 3 77.7°F 76.1°F 76.7°F
Dec 4 77.8°F 75.8°F 76.5°F
Dec 5 78.2°F 76.3°F 76.7°F
Dec 6 78.1°F 76.8°F 76.7°F
Dec 7 78.1°F 76.6°F 76.8°F
Dec 8 78.1°F 76.9°F 76.9°F
Dec 9 77.5°F 77.9°F 77.0°F
Dec 10 77.8°F 77.3°F 76.7°F
Dec 11 77.6°F 78.0°F 77.0°F
Dec 12 77.5°F 78.3°F 77.2°F
Dec 13 77.4°F 78.4°F 77.3°F
Dec 14 77.3°F 78.8°F 77.4°F
Dec 15 76.6°F 78.7°F 77.4°F
Dec 16 76.8°F 78.9°F 77.6°F
Dec 17 76.9°F 78.7°F 77.7°F
Dec 18 77.0°F 78.8°F 77.8°F
Dec 19 76.9°F 79.3°F 77.7°F
Dec 20 77.1°F 79.3°F 77.9°F
Dec 21 77.2°F 79.4°F 78.0°F
Dec 22 77.2°F 79.3°F 78.0°F
Dec 23 77.2°F 79.1°F 78.0°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 Saint Lucia Estuary by month

In Saint Lucia Estuary, the months November through June offer comfortable swimming conditions, which amounts to 242 swimming days.
The warmest water in Saint Lucia Estuary was recorded on February 20, 2017, reaching a 83.0°F. While the coldest temperature occurred on July 5, 2025, dipping to 67.9°F. The average readings by season are 79.3°F in Winter, 78.4°F in Spring, 72.6°F in Summer, and 73.4°F in Autumn.