ariasurf

Plage de Saint-Marc

Saint-Nazaire, France

Sand

Right now

Conditions at 12:00 AM Central European Summer Time.

Fair

Ankle-high (0.4 m) at 8 s, heading toward ESE, with moderate cross-shore wind toward E.

Swell

0.4 m

ESE

8 s

Wind

11 km/h

Cross-shore

Tide

3.1 m

Falling

Weather

17 °C

Clear

19 °C water

7-day forecast

Wave height and the best conditions expected each day.

Hourly forecast

Sunday, September 20, 2026

Time	Rating	Swell	Swell direction	Wind	Wind direction	Tide	Weather
12 AM	Fair	0.4 m · 8 s	ESE	11 km/h · 12 km/h gusts	E Cross-shore	3.1 m	Clear · 17 °C
1 AM	Poor	0.4 m · 8 s	ESE	9 km/h · 9 km/h gusts	E Cross-shore	3 m	Overcast · 17 °C
2 AM	Poor	0.4 m · 8 s	ESE	11 km/h · 11 km/h gusts	E Cross-shore	2.9 m	Partly cloudy · 17 °C
3 AM	Poor	0.4 m · 8 s	ESE	12 km/h · 15 km/h gusts	ESE Cross-shore	2.7 m	Clear · 17 °C
4 AM	Fair	0.4 m · 7 s	E	9 km/h · 14 km/h gusts	SE Offshore	2.4 m	Clear · 16 °C
5 AM	Fair	0.4 m · 6 s	E	8 km/h · 11 km/h gusts	SE Offshore	2.2 m	Clear · 16 °C
6 AM	Fair	0.5 m · 6 s	E	7 km/h · 10 km/h gusts	SSE Offshore	2.1 m	Overcast · 15 °C
7 AM	Fair	0.5 m · 7 s	E	7 km/h · 13 km/h gusts	S Offshore	2.3 m	Overcast · 15 °C
8 AM	Fair	0.5 m · 7 s	E	7 km/h · 11 km/h gusts	S Offshore	2.6 m	Overcast · 15 °C
9 AM	Fair	0.5 m · 7 s	E	4 km/h · 9 km/h gusts	SE Offshore	2.9 m	Overcast · 17 °C
10 AM	Fair	0.5 m · 6 s	E	4 km/h · 9 km/h gusts	ESE Offshore	3.2 m	Overcast · 18 °C
11 AM	Fair	0.5 m · 6 s	E	6 km/h · 14 km/h gusts	E Cross-shore	3.3 m	Overcast · 19 °C
12 PM	Poor	0.5 m · 6 s	E	7 km/h · 16 km/h gusts	E Cross-shore	3.3 m	Overcast · 20 °C
1 PM	Poor	0.5 m · 7 s	E	11 km/h · 20 km/h gusts	ENE Cross-shore	3.2 m	Overcast · 21 °C
2 PM	Poor	0.5 m · 7 s	E	15 km/h · 27 km/h gusts	ENE Cross-shore	3.1 m	Overcast · 21 °C
3 PM	Poor	0.5 m · 7 s	E	17 km/h · 29 km/h gusts	NE Onshore	3 m	Overcast · 21 °C
4 PM	Poor	0.5 m · 7 s	E	18 km/h · 31 km/h gusts	ENE Onshore	2.7 m	Overcast · 21 °C
5 PM	Poor	0.5 m · 7 s	E	19 km/h · 31 km/h gusts	ENE Cross-shore	2.3 m	Overcast · 21 °C
6 PM	Poor	0.5 m · 7 s	E	18 km/h · 31 km/h gusts	E Cross-shore	2 m	Overcast · 21 °C
7 PM	Poor	0.5 m · 7 s	E	17 km/h · 30 km/h gusts	ESE Cross-shore	2 m	Overcast · 21 °C
8 PM	Fair	0.5 m · 7 s	E	13 km/h · 29 km/h gusts	ESE Offshore	2.1 m	Overcast · 20 °C
9 PM	Fair	0.5 m · 7 s	E	13 km/h · 22 km/h gusts	SE Offshore	2.5 m	Overcast · 19 °C
10 PM	Fair	0.5 m · 7 s	E	13 km/h · 21 km/h gusts	SSE Offshore	2.8 m	Overcast · 18 °C
11 PM	Fair	0.5 m · 7 s	E	14 km/h · 23 km/h gusts	S Offshore	3 m	Overcast · 18 °C