ariasurf

Plage de Belle Fontaine

Saint-Nazaire, France

Right now

Conditions at 10:00 AM Central European Summer Time.

Fair

Ankle-high (0.5 m) at 5 s, heading toward E, with moderate cross-offshore wind toward SSE.

Swell

0.5 m

5 s

Wind

8 km/h

SSE

Cross-offshore

Tide

3.7 m

Falling

Weather

16 °C

Clear

20 °C water

7-day forecast

Wave height and the best conditions expected each day.

Hourly forecast

Friday, September 18, 2026

Time	Rating	Swell	Swell direction	Wind	Wind direction	Tide	Weather
12 AM	Fair	0.5 m · 4 s	E	10 km/h · 19 km/h gusts	SE Offshore	3 m	Clear · 15 °C
1 AM	Fair	0.5 m · 4 s	E	9 km/h · 20 km/h gusts	SSE Offshore	2.6 m	Clear · 14 °C
2 AM	Fair	0.5 m · 4 s	E	11 km/h · 18 km/h gusts	SSE Offshore	2.1 m	Clear · 14 °C
3 AM	Fair	0.5 m · 4 s	E	12 km/h · 19 km/h gusts	SE Offshore	1.8 m	Clear · 13 °C
4 AM	Fair	0.5 m · 4 s	E	11 km/h · 15 km/h gusts	SE Offshore	1.9 m	Clear · 13 °C
5 AM	Fair	0.5 m · 5 s	E	12 km/h · 15 km/h gusts	SE Offshore	2.3 m	Clear · 13 °C
6 AM	Fair	0.5 m · 5 s	E	12 km/h · 12 km/h gusts	SE Offshore	2.9 m	Clear · 13 °C
7 AM	Fair	0.5 m · 5 s	E	10 km/h · 10 km/h gusts	SE Offshore	3.5 m	Clear · 12 °C
8 AM	Fair	0.5 m · 5 s	E	8 km/h · 8 km/h gusts	SSE Offshore	3.8 m	Clear · 12 °C
9 AM	Fair	0.5 m · 5 s	E	9 km/h · 12 km/h gusts	SE Offshore	3.8 m	Mostly clear · 14 °C
10 AM	Fair	0.5 m · 5 s	E	8 km/h · 12 km/h gusts	SSE Offshore	3.7 m	Clear · 16 °C
11 AM	Fair	0.5 m · 6 s	E	10 km/h · 21 km/h gusts	SE Offshore	3.4 m	Partly cloudy · 18 °C
12 PM	Fair	0.5 m · 6 s	E	9 km/h · 22 km/h gusts	ESE Offshore	3.1 m	Overcast · 19 °C
1 PM	Poor	0.5 m · 6 s	E	11 km/h · 23 km/h gusts	E Cross-shore	2.8 m	Overcast · 20 °C
2 PM	Poor	0.5 m · 7 s	E	18 km/h · 31 km/h gusts	ENE Cross-shore	2.4 m	Overcast · 20 °C
3 PM	Poor	0.5 m · 7 s	E	19 km/h · 35 km/h gusts	ENE Cross-shore	2.1 m	Overcast · 19 °C
4 PM	Poor	0.5 m · 7 s	E	19 km/h · 33 km/h gusts	ENE Cross-shore	1.9 m	Overcast · 19 °C
5 PM	Poor	0.5 m · 7 s	E	20 km/h · 36 km/h gusts	ENE Cross-shore	2.1 m	Overcast · 19 °C
6 PM	Poor	0.5 m · 7 s	E	18 km/h · 35 km/h gusts	ENE Cross-shore	2.5 m	Overcast · 19 °C
7 PM	Poor	0.4 m · 6 s	E	17 km/h · 32 km/h gusts	E Cross-shore	3 m	Overcast · 19 °C
8 PM	Poor	0.4 m · 6 s	E	14 km/h · 30 km/h gusts	E Cross-shore	3.4 m	Overcast · 18 °C
9 PM	Poor	0.4 m · 6 s	E	11 km/h · 26 km/h gusts	E Cross-shore	3.6 m	Partly cloudy · 17 °C
10 PM	Poor	0.3 m · 7 s	E	9 km/h · 19 km/h gusts	E Cross-shore	3.5 m	Overcast · 17 °C
11 PM	Poor	0.3 m · 7 s	E	10 km/h · 16 km/h gusts	E Cross-shore	3.3 m	Mostly clear · 16 °C