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. | Max wind | Our opinion | Details |
|---|---|---|---|---|
| Sunday 14 December 2025 | 50°F to 54°F | 17.4mph | discouraged | all the sea weather |
| Monday 15 December 2025 | 54°F to 56°F | 21.1mph | discouraged | all the sea weather |
| Tuesday 16 December 2025 | 52°F to 56°F | 14.3mph | discouraged | all the sea weather |
| Wednesday 17 December 2025 | 45°F to 52°F | 9.3mph | discouraged | all the sea weather |
| Thursday 18 December 2025 | 50°F to 56°F | 25.5mph | not recommended | all the sea weather |
| Friday 19 December 2025 | 49°F to 52°F | 19.9mph | discouraged | all the sea weather |
| Saturday 20 December 2025 | 43°F to 47°F | 7.5mph | discouraged | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Saint-Nazaire
Sea weather on Sunday 14 December 2025
On Sunday 14 December 2025, the sun will rise at 08:48 and will set at 17:19 on the beach(es) of Saint-Nazaire. 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 17.4mph km/h (with gusts up to 26.1mph). Wave height will be up to 3.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | |  |  | | | | |
| Outside temperature | 11°C (52°F) | 10°C (50°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (52°F) | 11°C (51°F) | 12°C (53°F) |
| Perceived temperature | 10°C (50°F) | 9°C (48°F) | 10°C (50°F) | 9°C (47°F) | 8°C (46°F) | 9°C (48°F) | 8°C (47°F) | 9°C (48°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 86% | 92% | 90% | 91% | 89% | 87% | 88% | 87% |
| Barometric pressure | 1027 hPa | 1026 hPa | 1024 hPa | 1024 hPa | 1023 hPa | 1020 hPa | 1018 hPa | 1017 hPa |
| Cloud cover | 84% | 74% | 59% | 49% | 38% | 20% | 16% | 10% |
| Heat index | 11°C (52°F) | 10°C (50°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (52°F) | 11°C (51°F) | 12°C (53°F) |
| Dew point | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (49°F) |
| Wind | ||||||||
| Speed | 10km/h (6mph) | 11km/h (7mph) | 7km/h (4mph) | 15km/h (9mph) | 22km/h (14mph) | 19km/h (12mph) | 21km/h (13mph) | 28km/h (17mph) |
| Gusts | 14km/h (9mph) | 16km/h (10mph) | 11km/h (7mph) | 22km/h (13mph) | 34km/h (21mph) | 30km/h (19mph) | 37km/h (23mph) | 42km/h (26mph) |
| Direction | 95° E | 124° ESE | 145° SE | 136° SE | 147° SSE | 171° S | 159° SSE | 160° SSE |
| Wind chill | 10°C (50°F) | 9°C (48°F) | 10°C (50°F) | 9°C (47°F) | 8°C (46°F) | 9°C (48°F) | 8°C (47°F) | 9°C (48°F) |
| Waves | ||||||||
| Height | 1.1m (3.5ft) | 0.9m (3.1ft) | 0.8m (2.8ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.8m (2.7ft) | 0.8m (2.8ft) | 1.0m (3.1ft) |
| Direction | 266° W | 266° W | 266° W | 267° W | 266° W | 267° W | 267° W | 266° W |
| Period | 14.6 sec. | 14.2 sec. | 13.6 sec. | 13.3 sec. | 12.8 sec. | 12.6 sec. | 12.3 sec. | 14.2 sec. |
| Significant height | 0.3m (1ft) | 1.4m (4.6ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 0.6m (2ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) |
Sea weather on Monday 15 December 2025
On Monday 15 December 2025, the sun will rise at 08:49 and will set at 17:19 on the beach(es) of Saint-Nazaire. The outside temperature will be a high of 56°F t and a low of 54°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 21.8mph km/h (with gusts up to 32.3mph). Wave height will be up to 4.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | |  | | | |
| Outside temperature | 12°C (54°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 12°C (54°F) | 12°C (54°F) | 13°C (55°F) |
| Perceived temperature | 10°C (49°F) | 10°C (50°F) | 10°C (50°F) | 10°C (51°F) | 10°C (49°F) | 10°C (49°F) | 9°C (49°F) | 10°C (50°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 86% | 88% | 89% | 89% | 87% | 85% | 84% | 83% |
| Barometric pressure | 1015 hPa | 1012 hPa | 1010 hPa | 1010 hPa | 1009 hPa | 1007 hPa | 1006 hPa | 1005 hPa |
| Cloud cover | 20% | 49% | 19% | 23% | 77% | 53% | 51% | 78% |
| Heat index | 12°C (54°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 12°C (54°F) | 12°C (54°F) | 13°C (55°F) |
| Dew point | 10°C (50°F) | 11°C (51°F) | 11°C (52°F) | 11°C (52°F) | 10°C (51°F) | 10°C (50°F) | 10°C (49°F) | 10°C (50°F) |
| Wind | ||||||||
| Speed | 30km/h (19mph) | 34km/h (21mph) | 33km/h (21mph) | 31km/h (19mph) | 33km/h (21mph) | 33km/h (20mph) | 35km/h (22mph) | 34km/h (21mph) |
| Gusts | 45km/h (28mph) | 52km/h (32mph) | 51km/h (31mph) | 48km/h (30mph) | 34km/h (21mph) | 35km/h (22mph) | 38km/h (24mph) | 37km/h (23mph) |
| Direction | 171° S | 178° S | 184° S | 184° S | 174° S | 164° SSE | 155° SSE | 152° SSE |
| Wind chill | 10°C (49°F) | 10°C (50°F) | 10°C (50°F) | 10°C (51°F) | 10°C (49°F) | 10°C (49°F) | 9°C (49°F) | 10°C (50°F) |
| Waves | ||||||||
| Height | 1.1m (3.6ft) | 1.3m (4.3ft) | 1.5m (4.8ft) | 1.5m (4.9ft) | 1.5m (4.8ft) | 1.5m (5.0ft) | 1.4m (4.7ft) | 1.3m (4.3ft) |
| Direction | 265° W | 264° W | 263° W | 265° W | 265° W | 264° W | 264° W | 263° W |
| Period | 14.3 sec. | 14.3 sec. | 14.2 sec. | 14.0 sec. | 13.8 sec. | 13.6 sec. | 13.5 sec. | 13.5 sec. |
| Significant height | 0.9m (3ft) | 1.2m (3.9ft) | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.2m (3.9ft) | 1.4m (4.6ft) | 1.8m (5.9ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) |
Sea weather on Tuesday 16 December 2025
On Tuesday 16 December 2025, the sun will rise at 08:50 and will set at 17:19 on the beach(es) of Saint-Nazaire. 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 26.1mph). Wave height will be up to 4.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 13°C (56°F) | 13°C (55°F) | 12°C (53°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 11°C (52°F) | 11°C (51°F) |
| Perceived temperature | 11°C (52°F) | 12°C (53°F) | 9°C (48°F) | 9°C (49°F) | 10°C (51°F) | 11°C (52°F) | 9°C (48°F) | 8°C (46°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 79% | 84% | 93% | 91% | 87% | 85% | 88% | 84% |
| Barometric pressure | 1005 hPa | 1005 hPa | 1006 hPa | 1008 hPa | 1010 hPa | 1011 hPa | 1014 hPa | 1017 hPa |
| Cloud cover | 56% | 97% | 74% | 57% | 51% | 45% | 80% | 58% |
| Heat index | 13°C (56°F) | 13°C (55°F) | 12°C (53°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 11°C (52°F) | 11°C (51°F) |
| Dew point | 10°C (50°F) | 10°C (50°F) | 10°C (51°F) | 11°C (51°F) | 10°C (50°F) | 10°C (49°F) | 9°C (48°F) | 8°C (47°F) |
| Wind | ||||||||
| Speed | 32km/h (20mph) | 13km/h (8mph) | 28km/h (17mph) | 26km/h (16mph) | 17km/h (10mph) | 10km/h (6mph) | 18km/h (11mph) | 23km/h (14mph) |
| Gusts | 39km/h (24mph) | 20km/h (12mph) | 42km/h (26mph) | 39km/h (24mph) | 25km/h (16mph) | 16km/h (10mph) | 29km/h (18mph) | 32km/h (20mph) |
| Direction | 175° S | 142° SE | 135° SE | 144° SE | 260° W | 256° WSW | 1° N | 355° N |
| Wind chill | 11°C (52°F) | 12°C (53°F) | 9°C (48°F) | 9°C (49°F) | 10°C (51°F) | 11°C (52°F) | 9°C (48°F) | 8°C (46°F) |
| Waves | ||||||||
| Height | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.3m (4.1ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.1m (3.5ft) | 1.0m (3.4ft) | 1.0m (3.4ft) |
| Direction | 263° W | 263° W | 265° W | 265° W | 265° W | 265° W | 265° W | 265° W |
| Period | 13.4 sec. | 13.3 sec. | 14.4 sec. | 14.4 sec. | 14.6 sec. | 14.5 sec. | 14.5 sec. | 14.4 sec. |
| Significant height | 0.7m (2.3ft) | 1.3m (4.3ft) | 0.6m (2ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) |
Sea weather on Wednesday 17 December 2025
On Wednesday 17 December 2025, the sun will rise at 08:50 and will set at 17:20 on the beach(es) of Saint-Nazaire. The outside temperature will be a high of 52°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! The sea will be generally calm, with a wind speed of up to 14.3mph km/h (with gusts up to 19.9mph). Wave height will be up to 3.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | |  | |  | | | |
| Outside temperature | 10°C (51°F) | 9°C (49°F) | 9°C (48°F) | 8°C (47°F) | 7°C (44°F) | 9°C (48°F) | 10°C (50°F) | 11°C (51°F) |
| Perceived temperature | 8°C (46°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (44°F) | 8°C (47°F) | 8°C (46°F) | 9°C (48°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 80% | 79% | 78% | 79% | 75% | 73% | 74% | 71% |
| Barometric pressure | 1019 hPa | 1021 hPa | 1022 hPa | 1024 hPa | 1026 hPa | 1024 hPa | 1025 hPa | 1024 hPa |
| Cloud cover | 89% | 7% | 0% | 9% | 0% | 15% | 64% | 12% |
| Heat index | 10°C (51°F) | 9°C (49°F) | 9°C (48°F) | 8°C (47°F) | 7°C (44°F) | 9°C (48°F) | 10°C (50°F) | 11°C (51°F) |
| Dew point | 7°C (45°F) | 6°C (43°F) | 5°C (41°F) | 5°C (41°F) | 3°C (37°F) | 4°C (40°F) | 5°C (42°F) | 6°C (42°F) |
| Wind | ||||||||
| Speed | 23km/h (15mph) | 22km/h (14mph) | 17km/h (11mph) | 13km/h (8mph) | 4km/h (2mph) | 6km/h (4mph) | 12km/h (8mph) | 15km/h (10mph) |
| Gusts | 32km/h (20mph) | 32km/h (20mph) | 26km/h (16mph) | 19km/h (12mph) | 8km/h (5mph) | 10km/h (6mph) | 19km/h (12mph) | 23km/h (14mph) |
| Direction | 349° NNW | 347° NNW | 352° N | 359° N | 320° NW | 198° SSW | 200° SSW | 182° S |
| Wind chill | 8°C (46°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (44°F) | 8°C (47°F) | 8°C (46°F) | 9°C (48°F) |
| Waves | ||||||||
| Height | 1.0m (3.3ft) | 1.0m (3.2ft) | 1.0m (3.2ft) | 1.0m (3.2ft) | 0.9m (3.1ft) | 0.9m (3.0ft) | 0.8m (2.7ft) | 0.8m (2.5ft) |
| Direction | 265° W | 264° W | 263° W | 265° W | 265° W | 265° W | 265° W | 266° W |
| Period | 14.3 sec. | 14.3 sec. | 14.1 sec. | 13.8 sec. | 13.6 sec. | 13.5 sec. | 13.3 sec. | 12.9 sec. |
| Significant height | 0.5m (1.6ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.3m (4.3ft) | 1.2m (3.9ft) | 1.1m (3.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |
Sea weather on Thursday 18 December 2025
On Thursday 18 December 2025, the sun will rise at 08:51 and will set at 17:20 on the beach(es) of Saint-Nazaire. The outside temperature will be a high of 56°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! 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 9.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 11°C (51°F) | 11°C (51°F) | 10°C (50°F) | 11°C (51°F) | 12°C (54°F) | 13°C (55°F) | 13°C (55°F) | 12°C (54°F) |
| Perceived temperature | 8°C (47°F) | 8°C (46°F) | 7°C (44°F) | 7°C (45°F) | 9°C (48°F) | 10°C (49°F) | 10°C (49°F) | 9°C (48°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 74% | 72% | 76% | 89% | 86% | 86% | 85% | 89% |
| Barometric pressure | 1024 hPa | 1023 hPa | 1020 hPa | 1018 hPa | 1016 hPa | 1014 hPa | 1014 hPa | 1014 hPa |
| Cloud cover | 25% | 15% | 6% | 98% | 66% | 59% | 85% | 99% |
| Heat index | 11°C (51°F) | 11°C (51°F) | 10°C (50°F) | 11°C (51°F) | 12°C (54°F) | 13°C (55°F) | 13°C (55°F) | 12°C (54°F) |
| Dew point | 6°C (43°F) | 6°C (42°F) | 6°C (43°F) | 9°C (48°F) | 10°C (50°F) | 10°C (51°F) | 10°C (51°F) | 11°C (51°F) |
| Wind | ||||||||
| Speed | 21km/h (13mph) | 23km/h (14mph) | 29km/h (18mph) | 31km/h (19mph) | 39km/h (24mph) | 37km/h (23mph) | 38km/h (24mph) | 41km/h (26mph) |
| Gusts | 31km/h (19mph) | 33km/h (21mph) | 43km/h (27mph) | 45km/h (28mph) | 40km/h (25mph) | 40km/h (25mph) | 41km/h (26mph) | 43km/h (27mph) |
| Direction | 175° S | 166° SSE | 154° SSE | 154° SSE | 170° S | 185° S | 189° S | 204° SSW |
| Wind chill | 8°C (47°F) | 8°C (46°F) | 7°C (44°F) | 7°C (45°F) | 9°C (48°F) | 10°C (49°F) | 10°C (49°F) | 9°C (48°F) |
| Waves | ||||||||
| Height | 0.7m (2.3ft) | 1.1m (3.6ft) | 1.4m (4.5ft) | 1.9m (6.2ft) | 2.4m (7.9ft) | 2.7m (8.9ft) | 2.8m (9.2ft) | 2.8m (9.2ft) |
| Direction | 267° W | 259° WSW | 260° W | 251° WSW | 248° WSW | 247° WSW | 247° WSW | 248° WSW |
| Period | 12.7 sec. | 12.5 sec. | 12.5 sec. | 14.5 sec. | 18.7 sec. | 19.8 sec. | 19.1 sec. | 18.4 sec. |
| Significant height | 1.1m (3.6ft) | 0.6m (2ft) | 1.1m (3.6ft) | 1.3m (4.3ft) | 1.6m (5.2ft) | 1.6m (5.2ft) | 1.5m (4.9ft) | 1.6m (5.2ft) |
| Sea water temperature | ||||||||
| Water temperature | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 10°C (51°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |
Sea weather on Friday 19 December 2025
On Friday 19 December 2025, the sun will rise at 08:52 and will set at 17:20 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. The sea will be generally calm, with a wind speed of up to 19.9mph km/h (with gusts up to 27.3mph). Wave height will be up to 14.8ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | | | | | | | |
| Outside temperature | 12°C (53°F) | 11°C (51°F) | 11°C (51°F) | 11°C (52°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 10°C (49°F) |
| Perceived temperature | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (47°F) | 8°C (46°F) | 8°C (46°F) | 7°C (45°F) | 6°C (42°F) |
| Precipitation | 0.1in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 91% | 87% | 82% | 73% | 67% | 60% | 68% | 78% |
| Barometric pressure | 1015 hPa | 1016 hPa | 1017 hPa | 1019 hPa | 1020 hPa | 1021 hPa | 1021 hPa | 1023 hPa |
| Cloud cover | 100% | 100% | 100% | 61% | 29% | 30% | 46% | 20% |
| Heat index | 12°C (53°F) | 11°C (51°F) | 11°C (51°F) | 11°C (52°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 10°C (49°F) |
| Dew point | 10°C (50°F) | 9°C (47°F) | 8°C (46°F) | 6°C (44°F) | 5°C (41°F) | 3°C (38°F) | 5°C (41°F) | 6°C (42°F) |
| Wind | ||||||||
| Speed | 28km/h (17mph) | 15km/h (9mph) | 16km/h (10mph) | 21km/h (13mph) | 25km/h (15mph) | 28km/h (17mph) | 32km/h (20mph) | 32km/h (20mph) |
| Gusts | 34km/h (21mph) | 21km/h (13mph) | 23km/h (14mph) | 29km/h (18mph) | 37km/h (23mph) | 44km/h (27mph) | 42km/h (26mph) | 42km/h (26mph) |
| Direction | 250° WSW | 287° WNW | 297° WNW | 296° WNW | 280° W | 267° W | 277° W | 309° NW |
| Wind chill | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (47°F) | 8°C (46°F) | 8°C (46°F) | 7°C (45°F) | 6°C (42°F) |
| Waves | ||||||||
| Height | 2.8m (9.2ft) | 2.8m (9.2ft) | 2.8m (9.2ft) | 3.0m (9.8ft) | 3.8m (12.5ft) | 4.5m (14.8ft) | 4.4m (14.4ft) | 4.0m (13.1ft) |
| Direction | 249° WSW | 249° WSW | 251° WSW | 251° WSW | 244° WSW | 242° WSW | 243° WSW | 246° WSW |
| Period | 17.5 sec. | 17.1 sec. | 16.5 sec. | 16.1 sec. | 19.0 sec. | 18.6 sec. | 17.1 sec. | 16.2 sec. |
| Significant height | 1.5m (4.9ft) | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.2m (3.9ft) | 1.0m (3.3ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |
Sea weather on Saturday 20 December 2025
On Saturday 20 December 2025, the sun will rise at 08:52 and will set at 17:21 on the beach(es) of Saint-Nazaire. The outside temperature will be a high of 47°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 20.5mph). Wave height will be up to 12.1ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 9°C (47°F) | 8°C (46°F) | 8°C (46°F) | 7°C (45°F) | 6°C (43°F) | 6°C (43°F) | 6°C (42°F) | 7°C (44°F) |
| Perceived temperature | 5°C (41°F) | 5°C (42°F) | 5°C (41°F) | 5°C (41°F) | 4°C (40°F) | 4°C (39°F) | 3°C (38°F) | 4°C (39°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 81% | 82% | 81% | 81% | 77% | 72% | 75% | 82% |
| Barometric pressure | 1024 hPa | 1024 hPa | 1025 hPa | 1025 hPa | 1024 hPa | 1023 hPa | 1023 hPa | 1023 hPa |
| Cloud cover | 6% | 10% | 11% | 7% | 3% | 1% | 2% | 4% |
| Heat index | 9°C (47°F) | 8°C (46°F) | 8°C (46°F) | 7°C (45°F) | 6°C (43°F) | 6°C (43°F) | 6°C (42°F) | 7°C (44°F) |
| Dew point | 5°C (42°F) | 5°C (41°F) | 5°C (40°F) | 4°C (40°F) | 3°C (37°F) | 1°C (34°F) | 2°C (35°F) | 4°C (39°F) |
| Wind | ||||||||
| Speed | 23km/h (15mph) | 16km/h (10mph) | 14km/h (9mph) | 12km/h (8mph) | 9km/h (6mph) | 9km/h (5mph) | 11km/h (7mph) | 12km/h (8mph) |
| Gusts | 33km/h (21mph) | 23km/h (15mph) | 22km/h (13mph) | 19km/h (12mph) | 17km/h (11mph) | 18km/h (11mph) | 23km/h (15mph) | 21km/h (13mph) |
| Direction | 339° NNW | 352° N | 129° SE | 31° NNE | 35° NE | 34° NE | 52° NE | 67° ENE |
| Wind chill | 5°C (41°F) | 5°C (42°F) | 5°C (41°F) | 5°C (41°F) | 4°C (40°F) | 4°C (39°F) | 3°C (38°F) | 4°C (39°F) |
| Waves | ||||||||
| Height | 3.7m (12.1ft) | 3.3m (10.8ft) | 2.9m (9.5ft) | 2.7m (8.9ft) | 2.4m (7.9ft) | 2.1m (6.9ft) | 1.9m (6.2ft) | 1.7m (5.6ft) |
| Direction | 248° WSW | 251° WSW | 252° WSW | 253° WSW | 255° WSW | 256° WSW | 256° WSW | 256° WSW |
| Period | 15.7 sec. | 14.9 sec. | 14.2 sec. | 13.9 sec. | 13.4 sec. | 13.2 sec. | 13.1 sec. | 12.9 sec. |
| Significant height | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.9m (3ft) | 0.6m (2ft) | 0.4m (1.3ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |