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 9.51°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

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.

49.1

°F

January 22, 19:44

Trend:

stable

Yesterday:

49.1°F

Tomorrow:

49.0°F

Sunrise:

08:52

Sunset:

17:58

Day Length:

9 h. 6 min.

Port-Louis in January

Minimum:

49.6°F

Average:

51.6°F

Maximum:

54.5°F

Sea water temperature in Port-Louis today

As of now, in Port-Louis, the water temperature is 49.1°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.3°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 stay about the same.

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 51.4°F on 2016, while the historical minimum was 44.9°F on 2025.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 49.0°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
Jan 8	48.2°F	49.3°F	50.4°F
Jan 9	49.3°F	49.9°F	50.5°F
Jan 10	49.6°F	49.5°F	50.5°F
Jan 11	49.5°F	48.4°F	50.3°F
Jan 12	49.5°F	48.8°F	50.3°F
Jan 13	49.7°F	48.1°F	50.4°F
Jan 14	50.2°F	47.2°F	50.5°F
Jan 15	50.6°F	46.9°F	50.6°F
Jan 16	50.1°F	46.8°F	50.4°F
Jan 17	49.8°F	47.5°F	50.5°F
Jan 18	50.0°F	47.0°F	50.3°F
Jan 19	50.0°F	46.3°F	50.0°F
Jan 20	48.9°F	45.9°F	49.6°F
Jan 21	49.1°F	44.8°F	49.5°F
Jan 22	49.1°F	44.9°F	49.4°F
Jan 23	49.0°F	45.7°F	49.3°F
Jan 24	48.9°F	46.2°F	49.2°F
Jan 25	49.2°F	47.3°F	49.4°F
Jan 26	49.2°F	47.3°F	49.4°F
Jan 27	49.0°F	47.0°F	49.2°F
Jan 28	49.0°F	47.4°F	49.3°F
Jan 29	49.1°F	47.8°F	49.4°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 19, 2022, reaching a 68.9°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, 53.7°F in Spring, 63.5°F in Summer, and 60.2°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Lorient	49.1°F	3mi
Baden	48.0°F	21mi
La Baule-Escoublac	47.7°F	54mi

* current water temperature in this city

** straight line distance from Port-Louis