La Réunion, France
Coastal Waters21.37°S, 55.55°EStation FR-LAR-GRA

Grande Anse Sea Water Temperature

A tropical beach on the Coastal Waters, warmest around February at about 28.1°C. Today's reading, 7-day forecast, and monthly averages below.

Live readings · auto-updating
Water Temperature NowBuoy & Sentinel-3 SST

Grande Anse water temperature

23.5
74.3°FComfortable (20°C – 24°C)

Pleasant and revitalizing. Great for most beachgoers and active recreational swimming.

+0°vs Sep avgCoastal Waters21.37°S, 55.55°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
25°C
77°F onshore
Wind Speed
12 km/h
Surface wind
Wave Height
0.8 m
Slight shore chop
Swell
0.6 m
Deep water swell
Wave Period
6 s
Peak interval
UV Index
—
Daily maximum
Sunrise
—
First morning light
Sunset
—
Golden hour close

7-Day Water Temperature Forecast

Open-Meteo ocean model
Today
WedSep 30
23.5°C
74.3°F
Waves: 1m
Comfortable
ThuOct 1
23.8°C
74.8°F
Waves: 0.9m
Comfortable
FriOct 2
23.9°C
75°F
Waves: 0.7m
Comfortable
SatOct 3
23.8°C
74.8°F
Waves: 0.6m
Comfortable
SunOct 4
23.5°C
74.3°F
Waves: 0.7m
Comfortable
MonOct 5
23.2°C
73.8°F
Waves: 0.9m
Comfortable
TueOct 6
23.1°C
73.6°F
Waves: 1m
Comfortable
Forecast cooling trend: -0.4°C over 7 days at Grande Anse.
Confidence: High

Grande Anse Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Grande Anse occurs inJanuary, February, March, April, May, June, October, November, December — peaking at28.1°C (82.6°F) in February.

Year-Round Water Temperature Curve (°C / °F)

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
28
Jan
28
Feb
28
Mar
28
Apr
27
May
25
Jun
24
Jul
24
Aug
Current
24
Sep
24
Oct
26
Nov
27
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January25.8°C27.6°C29.1°CWarm & Ideal (24°C – 28°C)
February27°C28.1°C29.1°CTropical Warm (> 28°C)
March26.1°C27.9°C29.7°CWarm & Ideal (24°C – 28°C)
April26.3°C27.5°C28.6°CWarm & Ideal (24°C – 28°C)
May25.6°C26.6°C28.3°CWarm & Ideal (24°C – 28°C)
June23.8°C25.1°C26.9°CWarm & Ideal (24°C – 28°C)
July22.7°C23.9°C25.8°CComfortable (20°C – 24°C)
August22.7°C23.5°C24.5°CComfortable (20°C – 24°C)
SeptemberCurrent22.4°C23.5°C24.5°CComfortable (20°C – 24°C)
October23.4°C24.2°C25.9°CWarm & Ideal (24°C – 28°C)
November24.6°C25.6°C27°CWarm & Ideal (24°C – 28°C)
December24.7°C26.9°C29°CWarm & Ideal (24°C – 28°C)

Swimming FAQs for Grande Anse

Is the sea warm enough to swim in Grande Anse today?

Typical sea surface temperature in Grande Anse this time of year is 23.5°C (74.3°F) — classified as Comfortable (20°C – 24°C). Pleasant and revitalizing. Great for most beachgoers and active recreational swimming. Live readings load automatically.

What are the warmest months for swimming in Grande Anse?

The highest water temperatures in Grande Anse typically occur duringJanuary, February, March, April, May, June, October, November, December, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Grande Anse in September?

Historically in September, water temperatures in Grande Anse average around23.5°C (74.3°F), fluctuating between a recorded minimum of 22.4°C and a maximum of 24.5°C.

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Grande Anse Coastal Zone Map

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