Finistère, France
Celtic Sea48.69°N, 3.66°WStation FR-FIN-PLA

Plage des Sables-Blancs Sea Water Temperature

A temperate beach on the Celtic Sea, warmest around August at about 16.6°C. Today's reading, 7-day forecast, and monthly averages below.

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Plage des Sables-Blancs water temperature

16.6
61.9°FCool / Refreshing (16°C – 20°C)

Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing.

+0°vs Sep avgCeltic Sea48.69°N, 3.66°W
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
18°C
64.6°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
16.6°C
61.9°F
Waves: 1m
Refreshing
ThuOct 1
16.9°C
62.4°F
Waves: 0.9m
Refreshing
FriOct 2
17°C
62.6°F
Waves: 0.7m
Refreshing
SatOct 3
16.9°C
62.4°F
Waves: 0.6m
Refreshing
SunOct 4
16.6°C
61.9°F
Waves: 0.7m
Refreshing
MonOct 5
16.3°C
61.3°F
Waves: 0.9m
Refreshing
TueOct 6
16.2°C
61.2°F
Waves: 1m
Refreshing
Forecast cooling trend: -0.4°C over 7 days at Plage des Sables-Blancs.
Confidence: High

Plage des Sables-Blancs Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Plage des Sables-Blancs occurs inJuly, August, September, October — peaking at16.6°C (61.9°F) in August.

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

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
11
Jan
10
Feb
10
Mar
11
Apr
12
May
14
Jun
16
Jul
17
Aug
Current
17
Sep
16
Oct
14
Nov
12
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January9.2°C10.8°C12.2°CVery Cold (< 16°C)
February8.7°C10.1°C11.2°CVery Cold (< 16°C)
March8.6°C9.9°C11.1°CVery Cold (< 16°C)
April9°C10.5°C11.9°CVery Cold (< 16°C)
May10.6°C12.1°C14.1°CVery Cold (< 16°C)
June12.2°C13.9°C15.3°CVery Cold (< 16°C)
July13.9°C15.6°C17.6°CVery Cold (< 16°C)
August15.8°C16.6°C18.2°CCool / Refreshing (16°C – 20°C)
SeptemberCurrent15.5°C16.6°C17.9°CCool / Refreshing (16°C – 20°C)
October14°C15.6°C16.7°CVery Cold (< 16°C)
November11.5°C13.8°C14.9°CVery Cold (< 16°C)
December10.9°C12.2°C13.4°CVery Cold (< 16°C)

Swimming FAQs for Plage des Sables-Blancs

Is the sea warm enough to swim in Plage des Sables-Blancs today?

Typical sea surface temperature in Plage des Sables-Blancs this time of year is 16.6°C (61.9°F) — classified as Cool / Refreshing (16°C – 20°C). Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing. Live readings load automatically.

What are the warmest months for swimming in Plage des Sables-Blancs?

The highest water temperatures in Plage des Sables-Blancs typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Plage des Sables-Blancs in September?

Historically in September, water temperatures in Plage des Sables-Blancs average around16.6°C (61.9°F), fluctuating between a recorded minimum of 15.5°C and a maximum of 17.9°C.

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