Sea weather in Saint-Nazaire in the Pays de la Loire All the beach weather in Saint-Nazaire

All the essential weather information for enjoying the beach in Saint-Nazaire in the Pays de la Loire, for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.

Weather: When should you go to the beach in Saint-Nazaire over the next 7 days?

Discover the best moment to go to the beach in Saint-Nazaire in the Pays de la Loire this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Saint-Nazaire. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Thursday 29 January 202649°F to 50°Fdiscouraged
Friday 30 January 202649°F to 52°Fnot recommended
Saturday 31 January 202645°F to 50°Fnot recommended
Sunday 1 February 202647°F to 52°Fdiscouraged
Monday 2 February 202649°F to 50°Fdiscouraged
Tuesday 3 February 202649°F to 50°Fdiscouraged
Wednesday 4 February 202645°F to 50°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Saint-Nazaire

Sea weather on Thursday 29 January 2026

On Thursday 29 January 2026, the sun will rise at 08:38 and will set at 18:06 on the beach(es) of Saint-Nazaire. The outside temperature will be a high of 50°F t and a low of 49°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 19.9mph km/h (with gusts up to 26.7mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (47°F)9°C (48°F)9°C (49°F)9°C (49°F)10°C (50°F)10°C (49°F)10°C (49°F)10°C (49°F)
Perceived temperature5°C (41°F)6°C (44°F)7°C (44°F)7°C (44°F)7°C (45°F)6°C (43°F)6°C (43°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%85%85%84%81%88%91%88%
Barometric pressure995 hPa995 hPa996 hPa996 hPa997 hPa995 hPa993 hPa994 hPa
Cloud cover100%73%77%83%100%100%75%71%
Heat index9°C (47°F)9°C (48°F)9°C (49°F)9°C (49°F)10°C (50°F)10°C (49°F)10°C (49°F)10°C (49°F)
Dew point6°C (43°F)7°C (44°F)7°C (44°F)7°C (44°F)7°C (44°F)8°C (46°F)8°C (47°F)8°C (46°F)
Wind
Speed26km/h (16mph)17km/h (10mph)17km/h (11mph)17km/h (11mph)20km/h (12mph)27km/h (17mph)26km/h (16mph)32km/h (20mph)
Gusts38km/h (24mph)28km/h (17mph)29km/h (18mph)30km/h (19mph)33km/h (21mph)43km/h (27mph)29km/h (18mph)35km/h (22mph)
Direction 165°
SSE
215°
SW
229°
SW
219°
SW
215°
SW
194°
SSW
175°
S
259°
WSW
Wind chill5°C (41°F)6°C (44°F)7°C (44°F)7°C (44°F)7°C (45°F)6°C (43°F)6°C (43°F)6°C (43°F)
Waves
Height1.9m (6.4ft)2.0m (6.5ft)1.9m (6.3ft)1.9m (6.4ft)1.9m (6.3ft)1.8m (6.1ft)1.7m (5.7ft)1.8m (5.8ft)
Direction 258°
WSW
258°
WSW
259°
WSW
259°
WSW
259°
WSW
259°
W
260°
W
260°
W
Period16.4 sec.16.1 sec.15.8 sec.15.6 sec.15.3 sec.15.0 sec.14.4 sec.13.9 sec.
Significant height0.7m (2.3ft)0.5m (1.6ft)0.2m (0.7ft)0.5m (1.6ft)0.6m (2ft)0.9m (3ft)0.8m (2.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)

Sea weather on Friday 30 January 2026

On Friday 30 January 2026, the sun will rise at 08:37 and will set at 18:08 on the beach(es) of Saint-Nazaire. The outside temperature will be a high of 52°F t and a low of 49°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 39.8mph km/h (with gusts up to 42.9mph). Wave height will be up to 11.8ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (49°F)10°C (50°F)10°C (50°F)10°C (49°F)10°C (50°F)10°C (49°F)9°C (48°F)9°C (49°F)
Perceived temperature5°C (42°F)5°C (42°F)6°C (42°F)6°C (43°F)5°C (41°F)5°C (40°F)4°C (39°F)5°C (41°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%83%81%83%85%86%80%78%
Barometric pressure995 hPa997 hPa997 hPa995 hPa991 hPa988 hPa992 hPa993 hPa
Cloud cover80%72%83%91%89%100%80%87%
Heat index10°C (49°F)10°C (50°F)10°C (50°F)10°C (49°F)10°C (50°F)10°C (49°F)9°C (48°F)9°C (49°F)
Dew point7°C (44°F)7°C (45°F)7°C (44°F)7°C (45°F)8°C (46°F)7°C (45°F)6°C (42°F)6°C (42°F)
Wind
Speed40km/h (25mph)45km/h (28mph)43km/h (27mph)31km/h (19mph)64km/h (40mph)64km/h (40mph)51km/h (32mph)39km/h (24mph)
Gusts45km/h (28mph)51km/h (32mph)46km/h (29mph)47km/h (29mph)69km/h (43mph)66km/h (41mph)58km/h (36mph)39km/h (24mph)
Direction 258°
WSW
261°
W
247°
WSW
228°
SW
208°
SSW
242°
WSW
258°
WSW
258°
WSW
Wind chill5°C (42°F)5°C (42°F)6°C (42°F)6°C (43°F)5°C (41°F)5°C (40°F)4°C (39°F)5°C (41°F)
Waves
Height2.2m (7.1ft)2.2m (7.2ft)2.3m (7.6ft)2.6m (8.5ft)2.9m (9.5ft)3.6m (11.8ft)3.6m (11.9ft)3.3m (10.9ft)
Direction 260°
W
259°
WSW
256°
WSW
256°
WSW
256°
WSW
256°
WSW
257°
WSW
257°
WSW
Period13.3 sec.12.9 sec.12.3 sec.12.4 sec.13.3 sec.15.9 sec.15.6 sec.15.7 sec.
Significant height1.4m (4.6ft)1.2m (3.9ft)1.2m (3.9ft)1.7m (5.6ft)2.1m (6.9ft)2.2m (7.2ft)1.9m (6.2ft)1.1m (3.6ft)
Sea water temperature
Water temperature7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)

Sea weather on Saturday 31 January 2026

On Saturday 31 January 2026, the sun will rise at 08:36 and will set at 18:09 on the beach(es) of Saint-Nazaire. The outside temperature will be a high of 50°F t and a low of 45°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 25.5mph km/h (with gusts up to 28mph). Wave height will be up to 11.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (48°F)7°C (44°F)8°C (46°F)9°C (49°F)10°C (49°F)10°C (49°F)9°C (49°F)10°C (50°F)
Perceived temperature6°C (43°F)3°C (37°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (42°F)5°C (42°F)7°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%89%80%76%85%85%85%82%
Barometric pressure994 hPa996 hPa999 hPa1001 hPa1003 hPa1004 hPa1007 hPa1008 hPa
Cloud cover100%100%89%74%100%57%40%51%
Heat index9°C (48°F)7°C (44°F)8°C (46°F)9°C (49°F)10°C (49°F)10°C (49°F)9°C (49°F)10°C (50°F)
Dew point6°C (43°F)5°C (41°F)5°C (41°F)5°C (42°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)
Wind
Speed21km/h (13mph)25km/h (16mph)9km/h (6mph)24km/h (15mph)32km/h (20mph)41km/h (26mph)36km/h (22mph)28km/h (17mph)
Gusts32km/h (20mph)35km/h (22mph)14km/h (9mph)38km/h (24mph)39km/h (24mph)42km/h (26mph)36km/h (22mph)45km/h (28mph)
Direction 244°
WSW
346°
NNW
241°
WSW
246°
WSW
273°
W
274°
W
275°
W
256°
WSW
Wind chill6°C (43°F)3°C (37°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (42°F)5°C (42°F)7°C (44°F)
Waves
Height3.0m (9.8ft)2.6m (8.7ft)2.6m (8.5ft)3.5m (11.4ft)3.3m (10.8ft)3.1m (10.3ft)2.8m (9.3ft)2.4m (7.9ft)
Direction 257°
WSW
256°
WSW
256°
WSW
257°
WSW
256°
WSW
257°
WSW
258°
WSW
258°
WSW
Period16.0 sec.16.1 sec.15.2 sec.14.8 sec.14.9 sec.14.9 sec.14.9 sec.15.1 sec.
Significant height0.9m (3ft)1.1m (3.6ft)0.7m (2.3ft)2.3m (7.5ft)1.6m (5.2ft)1.4m (4.6ft)1.0m (3.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)

Sea weather on Sunday 1 February 2026

On Sunday 1 February 2026, the sun will rise at 08:34 and will set at 18:11 on the beach(es) of Saint-Nazaire. The outside temperature will be a high of 52°F t and a low of 47°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 24.9mph km/h (with gusts up to 28mph). Wave height will be up to 8.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature9°C (49°F)10°C (50°F)11°C (51°F)10°C (50°F)9°C (49°F)9°C (47°F)8°C (47°F)9°C (49°F)
Perceived temperature6°C (43°F)6°C (43°F)8°C (47°F)7°C (44°F)7°C (45°F)8°C (46°F)6°C (42°F)6°C (42°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity91%95%97%93%84%86%92%97%
Barometric pressure1007 hPa1004 hPa1002 hPa1003 hPa1004 hPa1002 hPa1000 hPa996 hPa
Cloud cover100%100%82%64%100%100%100%100%
Heat index9°C (49°F)10°C (50°F)11°C (51°F)10°C (50°F)9°C (49°F)9°C (47°F)8°C (47°F)9°C (49°F)
Dew point8°C (47°F)9°C (48°F)10°C (50°F)9°C (48°F)7°C (44°F)6°C (43°F)7°C (45°F)9°C (48°F)
Wind
Speed27km/h (17mph)40km/h (25mph)19km/h (12mph)28km/h (18mph)15km/h (10mph)6km/h (4mph)16km/h (10mph)30km/h (19mph)
Gusts40km/h (25mph)43km/h (27mph)34km/h (21mph)45km/h (28mph)23km/h (15mph)9km/h (6mph)26km/h (16mph)37km/h (23mph)
Direction 223°
SW
186°
S
239°
WSW
274°
W
292°
WNW
198°
SSW
135°
SE
143°
SE
Wind chill6°C (43°F)6°C (43°F)8°C (47°F)7°C (44°F)7°C (45°F)8°C (46°F)6°C (42°F)6°C (42°F)
Waves
Height2.1m (7.0ft)2.5m (8.2ft)2.2m (7.2ft)2.0m (6.7ft)1.8m (5.9ft)1.6m (5.3ft)1.5m (5.0ft)1.6m (5.3ft)
Direction 260°
W
260°
W
260°
W
260°
W
262°
W
262°
W
263°
W
263°
W
Period14.8 sec.14.2 sec.14.1 sec.13.9 sec.13.8 sec.13.7 sec.13.6 sec.13.7 sec.
Significant height1.1m (3.6ft)2.2m (7.2ft)1.0m (3.3ft)1.1m (3.6ft)0.4m (1.3ft)0.2m (0.7ft)0.6m (2ft)1.0m (3.3ft)
Sea water temperature
Water temperature7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)

Sea weather on Monday 2 February 2026

On Monday 2 February 2026, the sun will rise at 08:33 and will set at 18:12 on the beach(es) of Saint-Nazaire. The outside temperature will be a high of 50°F t and a low of 49°F. Precipitation is in the forecast (0.3in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 23.6mph km/h (with gusts up to 31.7mph). Wave height will be up to 6.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (49°F)9°C (48°F)10°C (49°F)
Perceived temperature6°C (43°F)6°C (43°F)8°C (46°F)6°C (43°F)7°C (44°F)6°C (42°F)6°C (42°F)6°C (43°F)
Precipitation0.1in0.1in0.1in0in0in0in0in0in
Humidity96%98%99%95%90%82%81%82%
Barometric pressure992 hPa987 hPa984 hPa985 hPa988 hPa990 hPa992 hPa994 hPa
Cloud cover100%100%100%100%94%52%20%20%
Heat index10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (49°F)9°C (48°F)10°C (49°F)
Dew point10°C (49°F)10°C (49°F)10°C (50°F)9°C (49°F)9°C (47°F)7°C (44°F)6°C (43°F)7°C (44°F)
Wind
Speed38km/h (24mph)37km/h (23mph)17km/h (11mph)34km/h (21mph)29km/h (18mph)34km/h (21mph)27km/h (17mph)27km/h (17mph)
Gusts44km/h (27mph)41km/h (25mph)29km/h (18mph)51km/h (32mph)46km/h (29mph)39km/h (24mph)32km/h (20mph)41km/h (25mph)
Direction 156°
SSE
153°
SSE
232°
SW
268°
W
264°
W
271°
W
246°
WSW
228°
SW
Wind chill6°C (43°F)6°C (43°F)8°C (46°F)6°C (43°F)7°C (44°F)6°C (42°F)6°C (42°F)6°C (43°F)
Waves
Height1.8m (5.8ft)1.8m (6.0ft)1.9m (6.2ft)1.8m (5.8ft)1.5m (5.0ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)
Direction 261°
W
260°
W
261°
W
261°
W
262°
W
263°
W
264°
W
264°
W
Period17.2 sec.16.5 sec.15.9 sec.15.4 sec.14.8 sec.9.3 sec.6.7 sec.6.3 sec.
Significant height1.1m (3.6ft)1.4m (4.6ft)1.6m (5.2ft)1.3m (4.3ft)0.6m (2ft)1.1m (3.6ft)1.1m (3.6ft)0.9m (3ft)
Sea water temperature
Water temperature7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)9°C (49°F)9°C (49°F)9°C (49°F)

Sea weather on Tuesday 3 February 2026

On Tuesday 3 February 2026, the sun will rise at 08:32 and will set at 18:14 on the beach(es) of Saint-Nazaire. The outside temperature will be a high of 50°F t and a low of 49°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 19.3mph km/h (with gusts up to 26.7mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (49°F)10°C (49°F)9°C (49°F)9°C (48°F)9°C (49°F)
Perceived temperature7°C (44°F)7°C (44°F)7°C (44°F)6°C (44°F)6°C (43°F)6°C (42°F)5°C (41°F)6°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%84%83%83%83%82%84%83%
Barometric pressure994 hPa995 hPa996 hPa997 hPa999 hPa999 hPa999 hPa999 hPa
Cloud cover23%24%22%27%42%59%58%39%
Heat index10°C (50°F)10°C (50°F)10°C (50°F)10°C (49°F)10°C (49°F)9°C (49°F)9°C (48°F)9°C (49°F)
Dew point7°C (45°F)7°C (45°F)7°C (45°F)7°C (45°F)7°C (44°F)7°C (44°F)6°C (43°F)6°C (44°F)
Wind
Speed26km/h (16mph)27km/h (17mph)27km/h (17mph)27km/h (17mph)28km/h (17mph)31km/h (19mph)30km/h (19mph)30km/h (18mph)
Gusts42km/h (26mph)43km/h (27mph)36km/h (22mph)41km/h (25mph)38km/h (24mph)37km/h (23mph)36km/h (23mph)32km/h (20mph)
Direction 219°
SW
232°
SW
229°
SW
214°
SSW
204°
SSW
195°
SSW
177°
S
179°
S
Wind chill7°C (44°F)7°C (44°F)7°C (44°F)6°C (44°F)6°C (43°F)6°C (42°F)5°C (41°F)6°C (42°F)
Waves
Height1.3m (4.3ft)1.3m (4.3ft)1.2m (3.9ft)1.1m (3.6ft)1.2m (3.9ft)1.3m (4.3ft)1.4m (4.6ft)1.5m (4.9ft)
Direction 264°
W
265°
W
265°
W
265°
W
257°
WSW
255°
WSW
256°
WSW
257°
WSW
Period10.8 sec.12.9 sec.12.7 sec.12.6 sec.14.4 sec.14.8 sec.14.7 sec.14.6 sec.
Significant height0.9m (3ft)0.8m (2.6ft)0.6m (2ft)0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)0.5m (1.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)

Sea weather on Wednesday 4 February 2026

On Wednesday 4 February 2026, the sun will rise at 08:30 and will set at 18:15 on the beach(es) of Saint-Nazaire. The outside temperature will be a high of 50°F t and a low of 45°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! Be careful, the sea will be generally rough with a wind speed of up to 25.5mph km/h (with gusts up to 32.9mph). Wave height will be up to 5.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (49°F)10°C (49°F)9°C (48°F)8°C (46°F)8°C (46°F)9°C (47°F)8°C (47°F)8°C (46°F)
Perceived temperature6°C (43°F)6°C (43°F)5°C (42°F)4°C (38°F)4°C (38°F)5°C (40°F)4°C (38°F)3°C (37°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%82%84%88%87%82%86%90%
Barometric pressure998 hPa997 hPa994 hPa992 hPa989 hPa987 hPa986 hPa984 hPa
Cloud cover23%18%20%37%82%98%99%100%
Heat index10°C (49°F)10°C (49°F)9°C (48°F)8°C (46°F)8°C (46°F)9°C (47°F)8°C (47°F)8°C (46°F)
Dew point7°C (44°F)7°C (44°F)6°C (43°F)6°C (42°F)6°C (43°F)6°C (42°F)6°C (42°F)6°C (43°F)
Wind
Speed29km/h (18mph)26km/h (16mph)24km/h (15mph)30km/h (19mph)36km/h (22mph)35km/h (21mph)37km/h (23mph)41km/h (26mph)
Gusts39km/h (24mph)41km/h (26mph)40km/h (25mph)45km/h (28mph)52km/h (32mph)50km/h (31mph)46km/h (28mph)53km/h (33mph)
Direction 195°
SSW
197°
SSW
164°
SSE
131°
SE
134°
SE
142°
SE
137°
SE
126°
SE
Wind chill6°C (43°F)6°C (43°F)5°C (42°F)4°C (38°F)4°C (38°F)5°C (40°F)4°C (38°F)3°C (37°F)
Waves
Height1.7m (5.6ft)1.8m (5.9ft)1.7m (5.6ft)1.6m (5.2ft)1.5m (4.9ft)1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)
Direction 258°
WSW
258°
WSW
259°
W
260°
W
261°
W
261°
W
263°
W
264°
W
Period14.4 sec.14.2 sec.13.9 sec.13.8 sec.13.6 sec.13.4 sec.13.1 sec.12.8 sec.
Significant height1.1m (3.6ft)1.0m (3.3ft)0.7m (2.3ft)0.7m (2.3ft)0.9m (3ft)1.0m (3.3ft)1.6m (5.2ft)1.7m (5.6ft)
Sea water temperature
Water temperature9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)9°C (49°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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