What is the current water temperature in Port-Louis?

Q: What is the current water temperature in Port-Louis?

As of now, in Port-Louis, the water temperature is 19.07°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

France > Port-Louis

Water temperature in Port-Louis

Detailed information about the current water temperature in Port-Louis. 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.

66.3

°F

August 21, 05:06

Trend:

stable

Yesterday:

66.2°F

Tomorrow:

66.2°F

Sunrise:

07:16

Sunset:

21:16

Day Length:

14 h. 0 min.

Port-Louis in August

Minimum:

48.2°F

Average:

50.4°F

Maximum:

53.2°F

Sea water temperature in Port-Louis today

As of now, in Port-Louis, the water temperature is 66.3°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 1.7°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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 66.6°F on 2020, while the historical minimum was 63.2°F on 2024.

latest data

last year

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 66.3°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Port-Louis

Date	Current Year actual* / forecast**	last year	10 years average
Aug 7	64.9°F	62.9°F	64.2°F
Aug 8	65.8°F	62.2°F	64.2°F
Aug 9	66.3°F	62.7°F	64.6°F
Aug 10	66.0°F	62.8°F	64.7°F
Aug 11	66.9°F	63.0°F	64.9°F
Aug 12	68.6°F	64.2°F	65.4°F
Aug 13	69.0°F	64.2°F	65.5°F
Aug 14	69.2°F	63.8°F	65.5°F
Aug 15	69.5°F	64.2°F	65.4°F
Aug 16	68.6°F	65.1°F	65.5°F
Aug 17	68.2°F	66.6°F	65.4°F
Aug 18	67.7°F	66.0°F	65.3°F
Aug 19	67.3°F	65.8°F	65.0°F
Aug 20	66.2°F	65.8°F	64.5°F
Aug 21	66.3°F	66.5°F	64.6°F
Aug 22	66.2°F	65.3°F	64.5°F
Aug 23	66.2°F	63.2°F	64.5°F
Aug 24	66.4°F	62.5°F	64.7°F
Aug 25	66.3°F	63.7°F	64.6°F
Aug 26	66.6°F	64.9°F	64.9°F
Aug 27	66.3°F	64.8°F	64.6°F
Aug 28	66.2°F	64.4°F	64.5°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 Port-Louis by month

In an average year, Port-Louis offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Port-Louis was recorded on July 13, 2026, reaching a 71.9°F. While the coldest temperature occurred on January 21, 2025, dipping to 44.8°F. The average readings by season are 50.8°F in Winter, 54.0°F in Spring, 63.8°F in Summer, and 60.2°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Lorient	66.3°F	3mi
Baden	68.8°F	21mi
La Baule-Escoublac	67.4°F	54mi

* current water temperature in this city

** straight line distance from Port-Louis