All data are in degrees Fahrenheit

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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

72.8

°F

July 18, 03:41

Trend:

decreasing

Yesterday:

73.0°F

Tomorrow:

72.7°F

Sunrise:

06:40

Sunset:

17:13

Day Length:

10 h. 33 min.

Saint Lucia Estuary in July

Minimum:

77.3°F

Average:

79.1°F

Maximum:

81.4°F

Sea water temperature in Saint Lucia Estuary today

As of now, in Saint Lucia Estuary, the water temperature is 72.8°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 0.6°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

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 73.1°F on 2017, while the historical minimum was 70.6°F on 2021.

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 minimum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 72.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Saint Lucia Estuary

Date Current Year

actual* / forecast**

last year 10 years average
Jul 4 69.3°F 73.5°F 72.5°F
Jul 5 67.9°F 73.4°F 72.5°F
Jul 6 68.8°F 73.9°F 72.6°F
Jul 7 70.6°F 73.9°F 72.8°F
Jul 8 71.7°F 73.3°F 72.5°F
Jul 9 71.8°F 73.3°F 72.7°F
Jul 10 72.1°F 73.4°F 72.6°F
Jul 11 72.3°F 72.9°F 72.7°F
Jul 12 72.2°F 73.5°F 72.9°F
Jul 13 72.5°F 72.4°F 72.6°F
Jul 14 72.8°F 72.8°F 72.6°F
Jul 15 72.5°F 72.7°F 72.5°F
Jul 16 73.0°F 72.8°F 72.4°F
Jul 17 73.0°F 73.2°F 72.3°F
Jul 18 72.8°F 72.6°F 72.2°F
Jul 19 72.7°F 72.2°F 72.1°F
Jul 20 72.7°F 72.0°F 72.1°F
Jul 21 72.7°F 72.4°F 72.1°F
Jul 22 72.8°F 72.1°F 72.1°F
Jul 23 72.7°F 72.0°F 72.1°F
Jul 24 72.6°F 72.0°F 72.0°F
Jul 25 72.6°F 72.6°F 72.0°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.