Seine-Maritime, France
Celtic Sea49.65°N, 0.15°EStation FR-SEI-PLA

Plage d'Antifer Sea Water Temperature

A temperate beach on the Celtic Sea, warmest around August at about 18.8°C. Today's reading, 7-day forecast, and monthly averages below.

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

Plage d'Antifer water temperature

18.1
64.6°FCool / Refreshing (16°C – 20°C)

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

+0°vs Sep avgCeltic Sea49.65°N, 0.15°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
20°C
67.3°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
18.1°C
64.6°F
Waves: 1m
Refreshing
ThuOct 1
18.4°C
65.1°F
Waves: 0.9m
Refreshing
FriOct 2
18.5°C
65.3°F
Waves: 0.7m
Refreshing
SatOct 3
18.4°C
65.1°F
Waves: 0.6m
Refreshing
SunOct 4
18.1°C
64.6°F
Waves: 0.7m
Refreshing
MonOct 5
17.8°C
64°F
Waves: 0.9m
Refreshing
TueOct 6
17.7°C
63.9°F
Waves: 1m
Refreshing
Forecast cooling trend: -0.4°C over 7 days at Plage d'Antifer.
Confidence: High

Plage d'Antifer Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Plage d'Antifer occurs inJuly, August, September, October — peaking at18.8°C (65.8°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)
9
Jan
8
Feb
8
Mar
10
Apr
12
May
15
Jun
17
Jul
19
Aug
Current
18
Sep
16
Oct
13
Nov
11
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January7.3°C8.9°C11.2°CVery Cold (< 16°C)
February6.2°C8°C9.4°CVery Cold (< 16°C)
March6.4°C8.2°C9.6°CVery Cold (< 16°C)
April8.6°C9.9°C11.7°CVery Cold (< 16°C)
May10.4°C12.3°C14.9°CVery Cold (< 16°C)
June13.1°C15.1°C17.4°CVery Cold (< 16°C)
July15.3°C17.4°C19.7°CCool / Refreshing (16°C – 20°C)
August17.1°C18.8°C21.6°CCool / Refreshing (16°C – 20°C)
SeptemberCurrent16.2°C18.1°C20.3°CCool / Refreshing (16°C – 20°C)
October14.7°C16.3°C18.8°CCool / Refreshing (16°C – 20°C)
November11.1°C13.3°C15.9°CVery Cold (< 16°C)
December8.9°C10.7°C12.5°CVery Cold (< 16°C)

Swimming FAQs for Plage d'Antifer

Is the sea warm enough to swim in Plage d'Antifer today?

Typical sea surface temperature in Plage d'Antifer this time of year is 18.1°C (64.6°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 d'Antifer?

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

What is the typical water temperature in Plage d'Antifer in September?

Historically in September, water temperatures in Plage d'Antifer average around18.1°C (64.6°F), fluctuating between a recorded minimum of 16.2°C and a maximum of 20.3°C.

Other Beaches in France

Explore all France stations

Plage d'Antifer Coastal Zone Map

Live OpenStreetMap