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 17.71°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

63.9

°F

September 18, 22:22

Trend:

decreasing

Yesterday:

65.0°F

Tomorrow:

63.7°F

Sunrise:

07:54

Sunset:

20:20

Day Length:

12 h. 26 min.

Port-Louis in September

Minimum:

49.1°F

Average:

50.5°F

Maximum:

53.3°F

Sea water temperature in Port-Louis today

As of now, in Port-Louis, the water temperature is 63.9°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 0.8°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 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 65.6°F on 2021, while the historical minimum was 59.7°F on 2017.

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. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 63.5°F, the minimum temperature may reach 63.4°F, and the maximum might stay at 63.7°F.

Daily water temperature in Port-Louis

Date	Current Year actual* / forecast**	last year	10 years average
Sep 4	65.6°F	64.0°F	64.1°F
Sep 5	65.5°F	63.4°F	64.1°F
Sep 6	65.7°F	62.8°F	64.2°F
Sep 7	66.2°F	62.9°F	64.4°F
Sep 8	66.6°F	64.1°F	64.4°F
Sep 9	66.4°F	65.0°F	64.5°F
Sep 10	65.9°F	64.8°F	64.4°F
Sep 11	65.5°F	63.9°F	64.1°F
Sep 12	65.5°F	63.7°F	64.1°F
Sep 13	65.1°F	63.6°F	63.8°F
Sep 14	65.3°F	63.4°F	63.6°F
Sep 15	65.7°F	63.2°F	63.4°F
Sep 16	65.4°F	63.5°F	63.4°F
Sep 17	65.0°F	63.4°F	63.2°F
Sep 18	63.9°F	63.3°F	63.1°F
Sep 19	63.7°F	62.7°F	62.9°F
Sep 20	63.5°F	62.6°F	62.7°F
Sep 21	63.4°F	63.1°F	62.6°F
Sep 22	63.6°F	63.7°F	62.9°F
Sep 23	63.5°F	63.5°F	62.7°F
Sep 24	63.4°F	63.1°F	62.6°F
Sep 25	63.5°F	62.8°F	62.8°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	63.9°F	3mi
Baden	66.5°F	21mi
La Baule-Escoublac	66.3°F	54mi

* current water temperature in this city

** straight line distance from Port-Louis