Sea weather in Fort-Mahon-Plage in Picardy All the beach weather in Fort-Mahon-Plage
All the essential weather information for enjoying the beach in Fort-Mahon-Plage in Picardy, 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 Fort-Mahon-Plage over the next 7 days?
Discover the best moment to go to the beach in Fort-Mahon-Plage in Picardy this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Fort-Mahon-Plage. 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 |
|---|---|---|---|---|
| Friday 5 December 2025 | 41°F to 47°F | 30.5mph | not recommended | all the sea weather |
| Saturday 6 December 2025 | 47°F to 52°F | 23.6mph | not recommended | all the sea weather |
| Sunday 7 December 2025 | 49°F to 56°F | 24.9mph | discouraged | all the sea weather |
| Monday 8 December 2025 | 52°F to 56°F | 15.5mph | discouraged | all the sea weather |
| Tuesday 9 December 2025 | 54°F to 56°F | 22.4mph | discouraged | all the sea weather |
| Wednesday 10 December 2025 | 50°F to 54°F | 19.3mph | discouraged | all the sea weather |
| Thursday 11 December 2025 | 45°F to 49°F | 10.6mph | discouraged | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Fort-Mahon-Plage
Sea weather on Friday 5 December 2025
On Friday 5 December 2025, the sun will rise at 08:37 and will set at 16:52 on the beach(es) of Fort-Mahon-Plage. The outside temperature will be a high of 47°F t and a low of 41°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 30.5mph km/h (with gusts up to 33.6mph). 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 | 6°C (42°F) | 5°C (41°F) | 5°C (42°F) | 5°C (41°F) | 7°C (45°F) | 8°C (46°F) | 6°C (43°F) | 6°C (43°F) |
| Perceived temperature | 3°C (37°F) | 2°C (36°F) | 4°C (39°F) | 3°C (37°F) | 4°C (39°F) | 4°C (39°F) | 2°C (35°F) | 0°C (33°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 88% | 87% | 85% | 84% | 78% | 72% | 76% | 86% |
| Barometric pressure | 1005 hPa | 1006 hPa | 1008 hPa | 1009 hPa | 1009 hPa | 1008 hPa | 1006 hPa | 1001 hPa |
| Cloud cover | 71% | 81% | 78% | 15% | 18% | 45% | 100% | 100% |
| Heat index | 6°C (42°F) | 5°C (41°F) | 5°C (42°F) | 5°C (41°F) | 7°C (45°F) | 8°C (46°F) | 6°C (43°F) | 6°C (43°F) |
| Dew point | 4°C (39°F) | 3°C (38°F) | 3°C (37°F) | 3°C (37°F) | 3°C (38°F) | 3°C (37°F) | 2°C (36°F) | 4°C (39°F) |
| Wind | ||||||||
| Speed | 15km/h (10mph) | 13km/h (8mph) | 7km/h (4mph) | 10km/h (6mph) | 17km/h (11mph) | 23km/h (14mph) | 31km/h (19mph) | 49km/h (31mph) |
| Gusts | 28km/h (18mph) | 24km/h (15mph) | 14km/h (9mph) | 21km/h (13mph) | 26km/h (16mph) | 35km/h (22mph) | 35km/h (22mph) | 54km/h (34mph) |
| Direction | 218° SW | 210° SSW | 217° SW | 195° SSW | 190° S | 176° S | 169° S | 163° SSE |
| Wind chill | 3°C (37°F) | 2°C (36°F) | 4°C (39°F) | 3°C (37°F) | 4°C (39°F) | 4°C (39°F) | 2°C (35°F) | 0°C (33°F) |
| Waves | ||||||||
| Height | 0.9m (3.0ft) | 0.8m (2.5ft) | 0.6m (2.1ft) | 0.6m (1.8ft) | 0.6m (1.9ft) | 0.7m (2.3ft) | 0.9m (2.9ft) | 1.3m (4.2ft) |
| Direction | 263° W | 265° W | 266° W | 266° W | 271° W | 242° WSW | 233° SW | 232° SW |
| Period | 10.4 sec. | 6.0 sec. | 6.1 sec. | 6.0 sec. | 8.1 sec. | 5.0 sec. | 4.5 sec. | 5.6 sec. |
| Significant height | 0.7m (2.3ft) | 1.1m (3.6ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.9m (3ft) | 1.4m (4.6ft) | 2.1m (6.9ft) |
| 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 6 December 2025
On Saturday 6 December 2025, the sun will rise at 08:38 and will set at 16:51 on the beach(es) of Fort-Mahon-Plage. The outside temperature will be a high of 52°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! Be careful, the sea will be generally rough with a wind speed of up to 28mph km/h (with gusts up to 31.7mph). Wave height will be up to 8.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | |  | |  | | |
| Outside temperature | 8°C (47°F) | 10°C (49°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) |
| Perceived temperature | 3°C (38°F) | 6°C (42°F) | 6°C (43°F) | 6°C (42°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 87% | 88% | 83% | 79% | 79% | 83% | 80% | 82% |
| Barometric pressure | 1000 hPa | 999 hPa | 1000 hPa | 1001 hPa | 1002 hPa | 1003 hPa | 1005 hPa | 1006 hPa |
| Cloud cover | 100% | 100% | 97% | 100% | 100% | 100% | 88% | 99% |
| Heat index | 8°C (47°F) | 10°C (49°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) |
| Dew point | 6°C (43°F) | 8°C (46°F) | 7°C (45°F) | 7°C (44°F) | 7°C (44°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) |
| Wind | ||||||||
| Speed | 44km/h (27mph) | 34km/h (21mph) | 37km/h (23mph) | 41km/h (25mph) | 41km/h (26mph) | 45km/h (28mph) | 42km/h (26mph) | 38km/h (24mph) |
| Gusts | 48km/h (30mph) | 35km/h (22mph) | 41km/h (25mph) | 48km/h (30mph) | 44km/h (27mph) | 51km/h (31mph) | 48km/h (30mph) | 43km/h (27mph) |
| Direction | 189° S | 200° SSW | 218° SW | 227° SW | 226° SW | 233° SW | 237° WSW | 235° SW |
| Wind chill | 3°C (38°F) | 6°C (42°F) | 6°C (43°F) | 6°C (42°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) | 6°C (43°F) |
| Waves | ||||||||
| Height | 1.8m (5.9ft) | 1.7m (5.6ft) | 1.9m (6.3ft) | 2.3m (7.5ft) | 2.4m (7.9ft) | 2.5m (8.3ft) | 2.5m (8.2ft) | 2.3m (7.6ft) |
| Direction | 232° SW | 248° WSW | 258° WSW | 268° W | 270° W | 270° W | 271° W | 271° W |
| Period | 15.7 sec. | 7.6 sec. | 7.6 sec. | 7.6 sec. | 7.6 sec. | 7.6 sec. | 7.6 sec. | 7.6 sec. |
| Significant height | 2.1m (6.9ft) | 1.4m (4.6ft) | 1.7m (5.6ft) | 1.9m (6.2ft) | 1.9m (6.2ft) | 1.9m (6.2ft) | 1.8m (5.9ft) | 1.6m (5.2ft) |
| 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 Sunday 7 December 2025
On Sunday 7 December 2025, the sun will rise at 08:39 and will set at 16:51 on the beach(es) of Fort-Mahon-Plage. The outside temperature will be a high of 56°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 24.9mph km/h (with gusts up to 31.7mph). Wave height will be up to 6.9ft 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 (49°F) | 10°C (50°F) | 11°C (51°F) | 12°C (54°F) | 13°C (55°F) | 13°C (56°F) |
| Perceived temperature | 7°C (45°F) | 7°C (45°F) | 6°C (44°F) | 7°C (45°F) | 8°C (46°F) | 9°C (49°F) | 10°C (50°F) | 10°C (50°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0.1in | 0in | 0in | 0in |
| Humidity | 82% | 86% | 88% | 90% | 93% | 94% | 95% | 93% |
| Barometric pressure | 1007 hPa | 1008 hPa | 1008 hPa | 1007 hPa | 1006 hPa | 1003 hPa | 1004 hPa | 1006 hPa |
| Cloud cover | 83% | 100% | 84% | 74% | 100% | 100% | 100% | 100% |
| Heat index | 11°C (51°F) | 11°C (51°F) | 10°C (49°F) | 10°C (50°F) | 11°C (51°F) | 12°C (54°F) | 13°C (55°F) | 13°C (56°F) |
| Dew point | 8°C (46°F) | 9°C (47°F) | 8°C (46°F) | 9°C (47°F) | 10°C (49°F) | 11°C (52°F) | 12°C (54°F) | 12°C (54°F) |
| Wind | ||||||||
| Speed | 39km/h (24mph) | 33km/h (21mph) | 24km/h (15mph) | 22km/h (13mph) | 27km/h (17mph) | 27km/h (17mph) | 38km/h (23mph) | 40km/h (25mph) |
| Gusts | 45km/h (28mph) | 51km/h (32mph) | 37km/h (23mph) | 33km/h (21mph) | 42km/h (26mph) | 32km/h (20mph) | 43km/h (27mph) | 43km/h (27mph) |
| Direction | 246° WSW | 239° WSW | 216° SW | 189° S | 171° S | 200° SSW | 238° WSW | 248° WSW |
| Wind chill | 7°C (45°F) | 7°C (45°F) | 6°C (44°F) | 7°C (45°F) | 8°C (46°F) | 9°C (49°F) | 10°C (50°F) | 10°C (50°F) |
| Waves | ||||||||
| Height | 2.1m (7.0ft) | 1.9m (6.3ft) | 1.6m (5.3ft) | 1.4m (4.6ft) | 1.3m (4.3ft) | 1.7m (5.4ft) | 2.0m (6.7ft) | 2.1m (6.8ft) |
| Direction | 271° W | 269° W | 269° W | 268° W | 265° W | 256° WSW | 264° W | 267° W |
| Period | 7.6 sec. | 7.8 sec. | 15.4 sec. | 8.0 sec. | 7.5 sec. | 14.4 sec. | 14.4 sec. | 14.4 sec. |
| Significant height | 1.5m (4.9ft) | 1.5m (4.9ft) | 1.2m (3.9ft) | 1.0m (3.3ft) | 1.7m (5.6ft) | 1.7m (5.6ft) | 1.8m (5.9ft) | 1.7m (5.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 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) | 10°C (50°F) |
Sea weather on Monday 8 December 2025
On Monday 8 December 2025, the sun will rise at 08:40 and will set at 16:51 on the beach(es) of Fort-Mahon-Plage. The outside temperature will be a high of 56°F t and a low of 52°F. Precipitation is in the forecast (0.2in 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 20.5mph km/h (with gusts up to 27.3mph). Wave height will be up to 6.6ft 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) | 11°C (53°F) | 11°C (51°F) | 11°C (52°F) | 13°C (55°F) | 12°C (53°F) | 12°C (53°F) | 12°C (54°F) |
| Perceived temperature | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 10°C (49°F) | 11°C (51°F) | 10°C (50°F) | 9°C (48°F) | 10°C (49°F) |
| Precipitation | 0in | 0in | 0in | 0.1in | 0.1in | 0in | 0in | 0in |
| Humidity | 88% | 91% | 93% | 94% | 96% | 97% | 91% | 89% |
| Barometric pressure | 1009 hPa | 1011 hPa | 1011 hPa | 1012 hPa | 1011 hPa | 1012 hPa | 1013 hPa | 1013 hPa |
| Cloud cover | 31% | 44% | 100% | 100% | 100% | 100% | 100% | 100% |
| Heat index | 12°C (54°F) | 11°C (53°F) | 11°C (51°F) | 11°C (52°F) | 13°C (55°F) | 12°C (53°F) | 12°C (53°F) | 12°C (54°F) |
| Dew point | 10°C (50°F) | 10°C (50°F) | 9°C (49°F) | 10°C (50°F) | 12°C (53°F) | 11°C (52°F) | 10°C (50°F) | 10°C (51°F) |
| Wind | ||||||||
| Speed | 33km/h (21mph) | 21km/h (13mph) | 11km/h (7mph) | 11km/h (7mph) | 18km/h (11mph) | 14km/h (9mph) | 27km/h (17mph) | 25km/h (15mph) |
| Gusts | 38km/h (24mph) | 34km/h (21mph) | 20km/h (12mph) | 17km/h (11mph) | 29km/h (18mph) | 24km/h (15mph) | 44km/h (27mph) | 40km/h (25mph) |
| Direction | 253° WSW | 249° WSW | 207° SSW | 175° S | 210° SSW | 235° SW | 226° SW | 207° SSW |
| Wind chill | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 10°C (49°F) | 11°C (51°F) | 10°C (50°F) | 9°C (48°F) | 10°C (49°F) |
| Waves | ||||||||
| Height | 2.0m (6.6ft) | 1.6m (5.2ft) | 1.2m (3.9ft) | 0.9m (3.1ft) | 0.8m (2.8ft) | 1.0m (3.4ft) | 1.0m (3.3ft) | 0.9m (2.9ft) |
| Direction | 269° W | 268° W | 267° W | 265° W | 265° W | 258° WSW | 262° W | 263° W |
| Period | 14.4 sec. | 14.4 sec. | 10.2 sec. | 6.2 sec. | 11.6 sec. | 5.8 sec. | 11.3 sec. | 11.2 sec. |
| Significant height | 1.5m (4.9ft) | 1.1m (3.6ft) | 0.9m (3ft) | 1.3m (4.3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 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) | 10°C (50°F) |
Sea weather on Tuesday 9 December 2025
On Tuesday 9 December 2025, the sun will rise at 08:42 and will set at 16:51 on the beach(es) of Fort-Mahon-Plage. 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 22.4mph km/h (with gusts up to 26.1mph). Wave height will be up to 2.6ft 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) | 12°C (54°F) | 13°C (55°F) | 12°C (54°F) | 12°C (54°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) |
| Perceived temperature | 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) | 10°C (50°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 89% | 87% | 86% | 85% | 76% | 69% | 65% | 65% |
| Barometric pressure | 1013 hPa | 1012 hPa | 1012 hPa | 1011 hPa | 1010 hPa | 1008 hPa | 1007 hPa | 1007 hPa |
| Cloud cover | 100% | 100% | 100% | 100% | 98% | 100% | 71% | 75% |
| Heat index | 12°C (54°F) | 12°C (54°F) | 13°C (55°F) | 12°C (54°F) | 12°C (54°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) |
| Dew point | 11°C (51°F) | 10°C (51°F) | 10°C (50°F) | 10°C (50°F) | 8°C (47°F) | 7°C (45°F) | 7°C (44°F) | 7°C (44°F) |
| Wind | ||||||||
| Speed | 26km/h (16mph) | 27km/h (17mph) | 27km/h (17mph) | 24km/h (15mph) | 28km/h (18mph) | 28km/h (18mph) | 33km/h (20mph) | 36km/h (22mph) |
| Gusts | 41km/h (25mph) | 42km/h (26mph) | 42km/h (26mph) | 39km/h (24mph) | 30km/h (19mph) | 31km/h (19mph) | 37km/h (23mph) | 41km/h (26mph) |
| Direction | 213° SSW | 204° SSW | 203° SSW | 198° SSW | 183° S | 191° S | 194° SSW | 200° SSW |
| Wind chill | 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) | 10°C (50°F) |
| Waves | ||||||||
| Height | 0.8m (2.5ft) | 0.8m (2.7ft) | 0.8m (2.5ft) | 0.7m (2.3ft) | 0.7m (2.2ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) |
| Direction | 264° W | 277° W | 279° W | 279° W | 280° W | 280° W | 280° W | 222° SW |
| Period | 6.0 sec. | 11.0 sec. | 15.4 sec. | 8.3 sec. | 5.8 sec. | 4.6 sec. | 4.7 sec. | 5.2 sec. |
| Significant height | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 1.1m (3.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |
Sea weather on Wednesday 10 December 2025
On Wednesday 10 December 2025, the sun will rise at 08:43 and will set at 16:51 on the beach(es) of Fort-Mahon-Plage. 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 21.8mph km/h (with gusts up to 25.5mph). 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 | 13°C (55°F) | 12°C (54°F) | 11°C (52°F) | 11°C (51°F) | 11°C (53°F) | 11°C (52°F) | 10°C (51°F) | 10°C (50°F) |
| Perceived temperature | 10°C (50°F) | 9°C (49°F) | 8°C (47°F) | 8°C (46°F) | 8°C (47°F) | 8°C (46°F) | 7°C (44°F) | 7°C (44°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 66% | 69% | 76% | 80% | 81% | 84% | 84% | 84% |
| Barometric pressure | 1007 hPa | 1007 hPa | 1007 hPa | 1007 hPa | 1008 hPa | 1010 hPa | 1013 hPa | 1017 hPa |
| Cloud cover | 40% | 17% | 7% | 24% | 78% | 91% | 64% | 35% |
| Heat index | 13°C (55°F) | 12°C (54°F) | 11°C (52°F) | 11°C (51°F) | 11°C (53°F) | 11°C (52°F) | 10°C (51°F) | 10°C (50°F) |
| Dew point | 7°C (44°F) | 7°C (44°F) | 7°C (45°F) | 7°C (45°F) | 8°C (47°F) | 9°C (47°F) | 8°C (46°F) | 8°C (46°F) |
| Wind | ||||||||
| Speed | 33km/h (21mph) | 31km/h (19mph) | 29km/h (18mph) | 28km/h (17mph) | 35km/h (22mph) | 34km/h (21mph) | 35km/h (22mph) | 31km/h (19mph) |
| Gusts | 37km/h (23mph) | 36km/h (22mph) | 31km/h (19mph) | 40km/h (25mph) | 41km/h (26mph) | 36km/h (23mph) | 37km/h (23mph) | 36km/h (22mph) |
| Direction | 198° SSW | 203° SSW | 201° SSW | 193° SSW | 210° SSW | 233° SW | 245° WSW | 247° WSW |
| Wind chill | 10°C (50°F) | 9°C (49°F) | 8°C (47°F) | 8°C (46°F) | 8°C (47°F) | 8°C (46°F) | 7°C (44°F) | 7°C (44°F) |
| Waves | ||||||||
| Height | 0.9m (3.0ft) | 0.9m (3.0ft) | 0.9m (3.0ft) | 1.0m (3.3ft) | 0.9m (3.0ft) | 0.9m (3.0ft) | 0.9m (3.0ft) | 1.1m (3.6ft) |
| Direction | 193° SSW | 199° SSW | 243° WSW | 267° W | 275° W | 278° W | 278° W | 252° WSW |
| Period | 5.3 sec. | 10.6 sec. | 8.5 sec. | 6.8 sec. | 12.4 sec. | 9.6 sec. | 6.2 sec. | 11.5 sec. |
| Significant height | 1.1m (3.6ft) | 1.0m (3.3ft) | 1.2m (3.9ft) | 1.3m (4.3ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 1.2m (3.9ft) | 1.2m (3.9ft) |
| 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 11 December 2025
On Thursday 11 December 2025, the sun will rise at 08:44 and will set at 16:51 on the beach(es) of Fort-Mahon-Plage. The outside temperature will be a high of 49°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 16.2mph km/h (with gusts up to 23.6mph). Wave height will be up to 3.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 9°C (49°F) | 8°C (47°F) | 8°C (46°F) | 8°C (46°F) | 9°C (48°F) | 9°C (49°F) | 8°C (46°F) | 7°C (44°F) |
| Perceived temperature | 6°C (43°F) | 5°C (41°F) | 5°C (40°F) | 5°C (41°F) | 6°C (43°F) | 7°C (44°F) | 5°C (42°F) | 4°C (39°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 89% | 91% | 90% | 88% | 78% | 77% | 82% | 85% |
| Barometric pressure | 1019 hPa | 1020 hPa | 1021 hPa | 1021 hPa | 1021 hPa | 1021 hPa | 1021 hPa | 1020 hPa |
| Cloud cover | 31% | 29% | 12% | 5% | 4% | 24% | 78% | 100% |
| Heat index | 9°C (49°F) | 8°C (47°F) | 8°C (46°F) | 8°C (46°F) | 9°C (48°F) | 9°C (49°F) | 8°C (46°F) | 7°C (44°F) |
| Dew point | 8°C (46°F) | 7°C (45°F) | 6°C (43°F) | 6°C (42°F) | 5°C (41°F) | 5°C (42°F) | 5°C (41°F) | 4°C (40°F) |
| Wind | ||||||||
| Speed | 26km/h (16mph) | 22km/h (14mph) | 18km/h (11mph) | 16km/h (10mph) | 17km/h (11mph) | 15km/h (9mph) | 14km/h (9mph) | 17km/h (10mph) |
| Gusts | 38km/h (24mph) | 37km/h (23mph) | 32km/h (20mph) | 28km/h (18mph) | 29km/h (18mph) | 27km/h (17mph) | 28km/h (17mph) | 24km/h (15mph) |
| Direction | 233° SW | 220° SW | 213° SSW | 201° SSW | 190° S | 171° S | 161° SSE | 154° SSE |
| Wind chill | 6°C (43°F) | 5°C (41°F) | 5°C (40°F) | 5°C (41°F) | 6°C (43°F) | 7°C (44°F) | 5°C (42°F) | 4°C (39°F) |
| Waves | ||||||||
| Height | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) |
| Direction | 259° WSW | 266° W | 267° W | 267° W | 267° W | 266° W | 267° W | 272° W |
| Period | 14.1 sec. | 13.4 sec. | 8.2 sec. | 5.9 sec. | 6.1 sec. | 6.4 sec. | 6.9 sec. | 7.8 sec. |
| Significant height | 1.2m (3.9ft) | 1.0m (3.3ft) | 1.2m (3.9ft) | 1.4m (4.6ft) | 1.5m (4.9ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.5m (4.9ft) |
| 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) |