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Saint Lucia > Castries

Water temperature in Castries

Detailed information about the current water temperature in Castries. 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 Castries now

83.5

°F

April 28, 02:32

Trend:

increasing

Yesterday:

83.4°F

Tomorrow:

83.6°F

Sunrise:

05:43

Sunset:

18:20

Day Length:

12 h. 37 min.

Castries in May

Minimum:

80.4°F

Average:

81.1°F

Maximum:

82.3°F

Sea water temperature in Castries today

As of now, in Castries, the water temperature is 83.5°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 2.3°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 82.3°F on 2016, while the historical minimum was 80.4°F on 2015.

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 83.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Castries

Date Current Year

actual* / forecast**

 last year 10 years average
Apr 14 82.9°F 80.2°F 81.0°F
Apr 15 83.0°F 80.3°F 81.0°F
Apr 16 82.9°F 80.5°F 81.0°F
Apr 17 82.9°F 80.4°F 81.0°F
Apr 18 83.0°F 80.3°F 81.0°F
Apr 19 82.9°F 80.2°F 80.9°F
Apr 20 83.2°F 80.4°F 81.0°F
Apr 21 83.0°F 80.3°F 81.0°F
Apr 22 82.7°F 80.2°F 81.0°F
Apr 23 83.3°F 80.3°F 81.1°F
Apr 24 83.0°F 80.5°F 81.1°F
Apr 25 83.1°F 80.8°F 81.1°F
Apr 26 83.3°F 81.1°F 81.3°F
Apr 27 83.4°F 80.9°F 81.1°F
Apr 28 83.5°F 81.3°F 81.2°F
Apr 29 83.6°F 81.6°F 81.3°F
Apr 30 83.6°F 81.7°F 81.3°F
May 1 83.6°F 81.8°F 81.2°F
May 2 83.7°F 81.9°F 81.4°F
May 3 83.7°F 82.1°F 81.4°F
May 4 83.8°F 82.0°F 81.5°F
May 5 83.8°F 82.0°F 81.5°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 Castries by month

January

February

March

April

May

June

July

August

September

October

November

December

In Castries, the water temperature is comfortable for swimming all year round.
The warmest water in Castries was recorded on September 20, 2023, reaching a 86.6°F. While the coldest temperature occurred on March 3, 2019, dipping to 79.0°F. The average readings by season are 81.1°F in Winter, 80.9°F in Spring, 82.8°F in Summer, and 84.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Praslin 83.7°F 11mi
Vieux Fort 83.9°F 20mi
Sainte-Luce 83.4°F 33mi
Les Trois-Îlets 83.9°F 38mi
Fort-de-France 83.8°F 42mi
Kingstown 83.2°F 60mi
Port Elizabeth 83.2°F 70mi

* current water temperature in this city

** straight line distance from Castries