Finistère, France
Celtic Sea48.10°N, 4.33°WStation FR-FIN-PLA

Plage des Dames Sea Water Temperature

A temperate beach on the Celtic Sea, warmest around August at about 16.1°C. Today's reading, 7-day forecast, and monthly averages below.

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Water Temperature NowBuoy & Sentinel-3 SST

Plage des Dames water temperature

15.8
60.4°FVery Cold (< 16°C)

Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.

+0°vs Sep avgCeltic Sea48.10°N, 4.33°W
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
17°C
63.1°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
15.8°C
60.4°F
Waves: 1m
Very Cold
ThuOct 1
16.1°C
61°F
Waves: 0.9m
Refreshing
FriOct 2
16.2°C
61.2°F
Waves: 0.7m
Refreshing
SatOct 3
16.1°C
61°F
Waves: 0.6m
Refreshing
SunOct 4
15.8°C
60.4°F
Waves: 0.7m
Very Cold
MonOct 5
15.5°C
59.9°F
Waves: 0.9m
Very Cold
TueOct 6
15.4°C
59.7°F
Waves: 1m
Very Cold
Forecast cooling trend: -0.4°C over 7 days at Plage des Dames.
Confidence: High

Plage des Dames Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Plage des Dames occurs inJuly, August, September, October — peaking at16.1°C (61°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
13
May
15
Jun
16
Jul
16
Aug
Current
16
Sep
15
Oct
14
Nov
12
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January9.6°C11°C13°CVery Cold (< 16°C)
February8.4°C10.4°C11.6°CVery Cold (< 16°C)
March8.8°C10.3°C11.6°CVery Cold (< 16°C)
April10.2°C11.3°C13.3°CVery Cold (< 16°C)
May11°C13.1°C15.9°CVery Cold (< 16°C)
June13.1°C14.7°C16.5°CVery Cold (< 16°C)
July14°C15.9°C18.1°CVery Cold (< 16°C)
August14.8°C16.1°C18.4°CCool / Refreshing (16°C – 20°C)
SeptemberCurrent14°C15.8°C17.4°CVery Cold (< 16°C)
October13.5°C15°C17°CVery Cold (< 16°C)
November12.7°C13.9°C15.7°CVery Cold (< 16°C)
December10.8°C12.3°C13.6°CVery Cold (< 16°C)

Swimming FAQs for Plage des Dames

Is the sea warm enough to swim in Plage des Dames today?

Typical sea surface temperature in Plage des Dames this time of year is 15.8°C (60.4°F) — classified as Very Cold (< 16°C). Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges. Live readings load automatically.

What are the warmest months for swimming in Plage des Dames?

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

What is the typical water temperature in Plage des Dames in September?

Historically in September, water temperatures in Plage des Dames average around15.8°C (60.4°F), fluctuating between a recorded minimum of 14°C and a maximum of 17.4°C.

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