Sea weather in Nantes in the Pays de la Loire All the beach weather in Nantes

All the essential weather information for enjoying the beach in Nantes 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 Nantes over the next 7 days?

Discover the best moment to go to the beach in Nantes 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 Nantes. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Monday 15 December 202552°F to 56°Fdiscouraged
Tuesday 16 December 202550°F to 54°Fdiscouraged
Wednesday 17 December 202543°F to 50°Frecommended
Thursday 18 December 202545°F to 56°Fnot recommended
Friday 19 December 202547°F to 54°Fdiscouraged
Saturday 20 December 202543°F to 50°Fdiscouraged
Sunday 21 December 202547°F to 50°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Nantes

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 08:47 and will set at 17:18 on the beach(es) of Nantes. The outside temperature will be a high of 56°F t and a low of 52°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 19.9mph km/h (with gusts up to 29.8mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (51°F)12°C (53°F)12°C (53°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)
Perceived temperature8°C (46°F)9°C (48°F)9°C (48°F)9°C (49°F)9°C (49°F)10°C (49°F)9°C (49°F)10°C (50°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%91%90%88%83%78%80%83%
Barometric pressure1015 hPa1013 hPa1011 hPa1010 hPa1010 hPa1007 hPa1005 hPa1006 hPa
Cloud cover26%59%88%64%91%69%42%86%
Heat index11°C (51°F)12°C (53°F)12°C (53°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)
Dew point9°C (49°F)10°C (50°F)10°C (51°F)10°C (50°F)9°C (49°F)9°C (47°F)9°C (48°F)9°C (49°F)
Wind
Speed22km/h (14mph)27km/h (17mph)31km/h (19mph)30km/h (19mph)32km/h (20mph)31km/h (19mph)30km/h (19mph)27km/h (17mph)
Gusts38km/h (24mph)44km/h (28mph)32km/h (20mph)33km/h (20mph)48km/h (30mph)46km/h (29mph)37km/h (23mph)27km/h (17mph)
Direction 163°
SSE
173°
S
171°
S
173°
S
162°
SSE
160°
SSE
165°
SSE
165°
SSE
Wind chill8°C (46°F)9°C (48°F)9°C (48°F)9°C (49°F)9°C (49°F)10°C (49°F)9°C (49°F)10°C (50°F)
Waves
Height0.3m (1.1ft)0.5m (1.6ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (2.1ft)0.6m (2.0ft)0.6m (1.9ft)0.6m (1.9ft)
Direction 243°
WSW
183°
S
183°
S
181°
S
177°
S
170°
S
168°
SSE
171°
S
Period14.3 sec.14.3 sec.14.3 sec.14.3 sec.14.2 sec.14.0 sec.13.7 sec.13.7 sec.
Significant height0.6m (2ft)0.8m (2.6ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 08:48 and will set at 17:18 on the beach(es) of Nantes. The outside temperature will be a high of 54°F t and a low of 50°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 14.9mph km/h (with gusts up to 24.9mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature12°C (54°F)12°C (53°F)11°C (51°F)11°C (51°F)11°C (53°F)11°C (52°F)10°C (49°F)10°C (49°F)
Perceived temperature10°C (49°F)10°C (50°F)9°C (48°F)9°C (48°F)10°C (50°F)9°C (48°F)7°C (45°F)7°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%89%95%94%93%89%90%88%
Barometric pressure1006 hPa1006 hPa1006 hPa1008 hPa1010 hPa1012 hPa1014 hPa1017 hPa
Cloud cover100%100%100%100%96%69%100%100%
Heat index12°C (54°F)12°C (53°F)11°C (51°F)11°C (51°F)11°C (53°F)11°C (52°F)10°C (49°F)10°C (49°F)
Dew point10°C (49°F)10°C (50°F)10°C (50°F)10°C (49°F)10°C (51°F)10°C (49°F)8°C (47°F)8°C (46°F)
Wind
Speed24km/h (15mph)17km/h (11mph)17km/h (11mph)15km/h (9mph)14km/h (9mph)21km/h (13mph)18km/h (11mph)21km/h (13mph)
Gusts40km/h (25mph)28km/h (17mph)27km/h (17mph)25km/h (15mph)24km/h (15mph)31km/h (19mph)28km/h (17mph)31km/h (19mph)
Direction 157°
SSE
151°
SSE
138°
SE
133°
SE
139°
SE

N
20°
NNE

N
Wind chill10°C (49°F)10°C (50°F)9°C (48°F)9°C (48°F)10°C (50°F)9°C (48°F)7°C (45°F)7°C (44°F)
Waves
Height0.4m (1.5ft)0.4m (1.3ft)0.4m (1.2ft)0.4m (1.2ft)0.3m (1.1ft)0.3m (0.9ft)0.2m (0.8ft)0.2m (0.7ft)
Direction 167°
SSE
241°
WSW
242°
WSW
243°
WSW
243°
WSW
243°
WSW
244°
WSW
243°
WSW
Period13.6 sec.14.3 sec.14.5 sec.14.3 sec.14.3 sec.14.4 sec.14.4 sec.14.4 sec.
Significant height0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 08:48 and will set at 17:18 on the beach(es) of Nantes. The outside temperature will be a high of 50°F t and a low of 43°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 9.9mph km/h (with gusts up to 16.8mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (49°F)8°C (46°F)6°C (44°F)6°C (42°F)8°C (46°F)8°C (47°F)7°C (44°F)7°C (45°F)
Perceived temperature7°C (45°F)5°C (41°F)4°C (39°F)3°C (38°F)6°C (43°F)8°C (46°F)7°C (44°F)5°C (41°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%88%89%89%78%67%76%78%
Barometric pressure1019 hPa1020 hPa1022 hPa1023 hPa1024 hPa1023 hPa1022 hPa1022 hPa
Cloud cover85%19%5%2%12%3%13%32%
Heat index10°C (49°F)8°C (46°F)6°C (44°F)6°C (42°F)8°C (46°F)8°C (47°F)7°C (44°F)7°C (45°F)
Dew point8°C (46°F)6°C (42°F)5°C (41°F)4°C (39°F)4°C (39°F)3°C (37°F)3°C (37°F)4°C (39°F)
Wind
Speed15km/h (10mph)16km/h (10mph)14km/h (9mph)12km/h (7mph)9km/h (5mph)5km/h (3mph)4km/h (2mph)11km/h (7mph)
Gusts22km/h (14mph)27km/h (17mph)24km/h (15mph)22km/h (14mph)13km/h (8mph)9km/h (5mph)8km/h (5mph)20km/h (13mph)
Direction 18°
NNE

N

N
27°
NNE
19°
NNE
331°
NNW
158°
SSE
144°
SE
Wind chill7°C (45°F)5°C (41°F)4°C (39°F)3°C (38°F)6°C (43°F)8°C (46°F)7°C (44°F)5°C (41°F)
Waves
Height0.2m (0.8ft)0.2m (0.7ft)0.2m (0.8ft)0.2m (0.7ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.5ft)
Direction 243°
WSW
243°
WSW
242°
WSW
242°
WSW
241°
WSW
241°
WSW
245°
WSW
245°
WSW
Period14.3 sec.14.3 sec.14.3 sec.14.3 sec.14.3 sec.14.1 sec.13.7 sec.13.4 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)
Sea water temperature
Water temperature12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 08:49 and will set at 17:19 on the beach(es) of Nantes. The outside temperature will be a high of 56°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 27.3mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)7°C (44°F)8°C (47°F)11°C (51°F)12°C (54°F)13°C (56°F)12°C (53°F)12°C (54°F)
Perceived temperature5°C (40°F)4°C (39°F)5°C (41°F)7°C (45°F)9°C (49°F)10°C (50°F)8°C (47°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%85%94%92%87%82%89%91%
Barometric pressure1022 hPa1020 hPa1017 hPa1015 hPa1013 hPa1010 hPa1010 hPa1011 hPa
Cloud cover43%19%74%92%100%90%100%100%
Heat index7°C (45°F)7°C (44°F)8°C (47°F)11°C (51°F)12°C (54°F)13°C (56°F)12°C (53°F)12°C (54°F)
Dew point4°C (39°F)4°C (40°F)7°C (45°F)9°C (49°F)10°C (50°F)10°C (50°F)10°C (50°F)11°C (51°F)
Wind
Speed13km/h (8mph)14km/h (9mph)19km/h (12mph)28km/h (17mph)37km/h (23mph)41km/h (25mph)37km/h (23mph)37km/h (23mph)
Gusts24km/h (15mph)30km/h (19mph)23km/h (14mph)44km/h (27mph)41km/h (25mph)43km/h (27mph)40km/h (25mph)40km/h (25mph)
Direction 158°
SSE
156°
SSE
148°
SSE
154°
SSE
170°
S
181°
S
190°
S
209°
SSW
Wind chill5°C (40°F)4°C (39°F)5°C (41°F)7°C (45°F)9°C (49°F)10°C (50°F)8°C (47°F)9°C (48°F)
Waves
Height0.2m (0.5ft)0.2m (0.6ft)0.2m (0.7ft)0.3m (1.0ft)0.5m (1.7ft)0.7m (2.3ft)0.7m (2.4ft)0.6m (1.9ft)
Direction 245°
WSW
246°
WSW
246°
WSW
247°
WSW
175°
S
182°
S
185°
S
236°
WSW
Period13.1 sec.12.8 sec.12.7 sec.12.6 sec.16.6 sec.20.2 sec.20.2 sec.18.9 sec.
Significant height0.2m (0.7ft)0.4m (1.3ft)0.5m (1.6ft)0.7m (2.3ft)0.9m (3ft)1.1m (3.6ft)1.1m (3.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 08:50 and will set at 17:19 on the beach(es) of Nantes. The outside temperature will be a high of 54°F t and a low of 47°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 17.4mph km/h (with gusts up to 26.7mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature12°C (54°F)11°C (53°F)11°C (51°F)8°C (47°F)10°C (50°F)10°C (50°F)9°C (48°F)8°C (47°F)
Perceived temperature10°C (49°F)9°C (47°F)8°C (46°F)6°C (42°F)9°C (47°F)10°C (49°F)8°C (47°F)8°C (46°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%74%77%79%64%63%70%74%
Barometric pressure1013 hPa1014 hPa1016 hPa1019 hPa1021 hPa1022 hPa1022 hPa1023 hPa
Cloud cover100%100%74%22%31%29%35%16%
Heat index12°C (54°F)11°C (53°F)11°C (51°F)8°C (47°F)10°C (50°F)10°C (50°F)9°C (48°F)8°C (47°F)
Dew point9°C (49°F)7°C (44°F)7°C (44°F)5°C (41°F)3°C (38°F)3°C (38°F)4°C (38°F)4°C (39°F)
Wind
Speed28km/h (18mph)28km/h (17mph)21km/h (13mph)16km/h (10mph)9km/h (6mph)6km/h (4mph)5km/h (3mph)5km/h (3mph)
Gusts43km/h (27mph)42km/h (26mph)33km/h (21mph)27km/h (17mph)14km/h (9mph)9km/h (5mph)10km/h (6mph)9km/h (6mph)
Direction 275°
W
264°
W
308°
NW
345°
NNW
352°
N
301°
WNW
257°
WSW
186°
S
Wind chill10°C (49°F)9°C (47°F)8°C (46°F)6°C (42°F)9°C (47°F)10°C (49°F)8°C (47°F)8°C (46°F)
Waves
Height0.5m (1.7ft)0.3m (1.1ft)0.3m (0.9ft)0.3m (0.9ft)0.3m (1.0ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2.0ft)
Direction 237°
WSW
236°
WSW
236°
SW
236°
SW
235°
SW
237°
WSW
238°
WSW
240°
WSW
Period18.9 sec.17.6 sec.17.7 sec.17.7 sec.17.5 sec.16.9 sec.16.4 sec.15.8 sec.
Significant height0.7m (2.3ft)0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)0.5m (1.6ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)12°C (53°F)12°C (53°F)12°C (53°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 08:50 and will set at 17:19 on the beach(es) of Nantes. The outside temperature will be a high of 50°F t and a low of 43°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 14.3mph km/h (with gusts up to 22.4mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)7°C (44°F)6°C (43°F)6°C (43°F)9°C (48°F)10°C (50°F)9°C (47°F)9°C (48°F)
Perceived temperature6°C (43°F)4°C (40°F)3°C (38°F)3°C (38°F)6°C (43°F)7°C (45°F)6°C (42°F)6°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%84%87%86%76%75%79%81%
Barometric pressure1023 hPa1022 hPa1020 hPa1019 hPa1017 hPa1015 hPa1012 hPa1010 hPa
Cloud cover12%17%24%53%71%74%53%81%
Heat index7°C (45°F)7°C (44°F)6°C (43°F)6°C (43°F)9°C (48°F)10°C (50°F)9°C (47°F)9°C (48°F)
Dew point4°C (39°F)4°C (39°F)4°C (39°F)4°C (39°F)5°C (41°F)6°C (42°F)5°C (41°F)6°C (42°F)
Wind
Speed8km/h (5mph)11km/h (7mph)14km/h (9mph)16km/h (10mph)21km/h (13mph)23km/h (14mph)19km/h (12mph)20km/h (13mph)
Gusts15km/h (9mph)22km/h (13mph)28km/h (17mph)30km/h (19mph)33km/h (20mph)36km/h (22mph)35km/h (22mph)36km/h (23mph)
Direction 150°
SSE
149°
SSE
149°
SSE
151°
SSE
169°
S
178°
S
173°
S
168°
SSE
Wind chill6°C (43°F)4°C (40°F)3°C (38°F)3°C (38°F)6°C (43°F)7°C (45°F)6°C (42°F)6°C (42°F)
Waves
Height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1.0ft)0.3m (1.0ft)0.2m (0.7ft)
Direction 241°
WSW
242°
WSW
243°
WSW
243°
WSW
244°
WSW
244°
WSW
245°
WSW
246°
WSW
Period15.4 sec.15.0 sec.14.8 sec.14.7 sec.14.5 sec.14.3 sec.14.0 sec.13.7 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.3m (1ft)0.3m (1ft)
Sea water temperature
Water temperature12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)

Sea weather on Sunday 21 December 2025

On Sunday 21 December 2025, the sun will rise at 08:51 and will set at 17:20 on the beach(es) of Nantes. The outside temperature will be a high of 50°F t and a low of 47°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 16.2mph km/h (with gusts up to 25.5mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (50°F)10°C (50°F)9°C (48°F)8°C (47°F)9°C (48°F)9°C (48°F)8°C (47°F)8°C (46°F)
Perceived temperature7°C (44°F)7°C (45°F)5°C (42°F)6°C (42°F)7°C (45°F)8°C (47°F)7°C (44°F)5°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%80%83%76%71%71%75%78%
Barometric pressure1009 hPa1007 hPa1007 hPa1008 hPa1008 hPa1008 hPa1008 hPa1008 hPa
Cloud cover66%83%90%81%93%64%39%34%
Heat index10°C (50°F)10°C (50°F)9°C (48°F)8°C (47°F)9°C (48°F)9°C (48°F)8°C (47°F)8°C (46°F)
Dew point6°C (43°F)7°C (44°F)6°C (43°F)4°C (40°F)4°C (39°F)4°C (39°F)4°C (39°F)4°C (39°F)
Wind
Speed23km/h (15mph)26km/h (16mph)25km/h (16mph)17km/h (11mph)10km/h (6mph)7km/h (4mph)9km/h (6mph)12km/h (7mph)
Gusts39km/h (24mph)41km/h (26mph)37km/h (23mph)24km/h (15mph)15km/h (9mph)10km/h (6mph)18km/h (11mph)23km/h (15mph)
Direction 174°
S
200°
SSW
283°
WNW
325°
NW
301°
WNW
259°
W
209°
SSW
175°
S
Wind chill7°C (44°F)7°C (45°F)5°C (42°F)6°C (42°F)7°C (45°F)8°C (47°F)7°C (44°F)5°C (42°F)
Waves
Height0.2m (0.7ft)0.3m (1.0ft)0.3m (1.0ft)0.4m (1.3ft)0.6m (2.0ft)0.6m (2.0ft)0.5m (1.6ft)0.4m (1.3ft)
Direction 246°
WSW
246°
WSW
246°
WSW
214°
SW
193°
SSW
203°
SSW
230°
SW
242°
WSW
Period13.3 sec.12.9 sec.12.7 sec.12.7 sec.12.7 sec.12.7 sec.15.8 sec.16.8 sec.
Significant height0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)1.0m (3.3ft)0.9m (3ft)0.7m (2.3ft)0.6m (2ft)
Sea water temperature
Water temperature12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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