Sea weather in Grand Cul-de-Sac in Saint-Barthelemy All the beach weather in Grand Cul-de-Sac
All the essential weather information for enjoying the beach in Grand Cul-de-Sac in Saint-Barthelemy, 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 Grand Cul-de-Sac over the next 7 days?
Discover the best moment to go to the beach in Grand Cul-de-Sac in Saint-Barthelemy this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Grand Cul-de-Sac. 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 | 77°F to 81°F | 21.1mph | discouraged | all the sea weather |
| Saturday 6 December 2025 | 74°F to 81°F | 21.1mph | discouraged | all the sea weather |
| Sunday 7 December 2025 | 81°F to 81°F | 18.6mph | discouraged | all the sea weather |
| Monday 8 December 2025 | 74°F to 81°F | 17.4mph | discouraged | all the sea weather |
| Tuesday 9 December 2025 | 79°F to 81°F | 20.5mph | discouraged | all the sea weather |
| Wednesday 10 December 2025 | 81°F to 81°F | 23mph | discouraged | all the sea weather |
| Thursday 11 December 2025 | 81°F to 81°F | 24.2mph | not recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Grand Cul-de-Sac
Sea weather on Friday 5 December 2025
On Friday 5 December 2025, the sun will rise at 06:29 and will set at 17:36 on the beach(es) of Grand Cul-de-Sac. The outside temperature will be a high of 81°F t and a low of 77°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 30.5mph). 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 | 27°C (81°F) | 27°C (81°F) | 27°C (80°F) | 27°C (80°F) | 26°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) |
| Perceived temperature | 30°C (85°F) | 30°C (85°F) | 29°C (84°F) | 29°C (85°F) | 28°C (83°F) | 29°C (84°F) | 29°C (84°F) | 30°C (85°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 73% | 72% | 67% | 71% | 70% | 71% | 67% | 75% |
| Barometric pressure | 1015 hPa | 1014 hPa | 1015 hPa | 1017 hPa | 1016 hPa | 1013 hPa | 1014 hPa | 1016 hPa |
| Cloud cover | 55% | 77% | 42% | 62% | 75% | 89% | 32% | 57% |
| Heat index | 30°C (85°F) | 30°C (85°F) | 29°C (84°F) | 29°C (85°F) | 28°C (83°F) | 29°C (84°F) | 29°C (84°F) | 30°C (85°F) |
| Dew point | 22°C (71°F) | 22°C (71°F) | 20°C (69°F) | 21°C (70°F) | 21°C (69°F) | 21°C (70°F) | 20°C (68°F) | 22°C (72°F) |
| Wind | ||||||||
| Speed | 30km/h (19mph) | 31km/h (19mph) | 30km/h (18mph) | 29km/h (18mph) | 35km/h (22mph) | 34km/h (21mph) | 32km/h (20mph) | 34km/h (21mph) |
| Gusts | 41km/h (25mph) | 41km/h (26mph) | 40km/h (25mph) | 39km/h (24mph) | 38km/h (23mph) | 49km/h (31mph) | 44km/h (28mph) | 47km/h (29mph) |
| Direction | 96° E | 89° E | 81° E | 72° ENE | 87° E | 79° E | 77° ENE | 75° ENE |
| Wind chill | 27°C (81°F) | 27°C (81°F) | 27°C (80°F) | 27°C (80°F) | 26°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) |
| Waves | ||||||||
| Height | 1.5m (4.8ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.3m (4.4ft) | 1.2m (4.0ft) | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.3m (4.4ft) |
| Direction | 114° ESE | 114° ESE | 114° ESE | 114° ESE | 114° ESE | 114° ESE | 116° ESE | 116° ESE |
| Period | 9.4 sec. | 9.4 sec. | 9.5 sec. | 9.4 sec. | 9.4 sec. | 9.4 sec. | 9.3 sec. | 9.3 sec. |
| Significant height | 1.6m (5.2ft) | 1.5m (4.9ft) | 1.6m (5.2ft) | 1.4m (4.6ft) | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.2m (3.9ft) | 1.3m (4.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) |
Sea weather on Saturday 6 December 2025
On Saturday 6 December 2025, the sun will rise at 06:29 and will set at 17:36 on the beach(es) of Grand Cul-de-Sac. The outside temperature will be a high of 81°F t and a low of 74°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 29.8mph). Wave height will be up to 4.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 27°C (81°F) | 27°C (80°F) | 27°C (80°F) | 27°C (81°F) | 26°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (81°F) |
| Perceived temperature | 30°C (86°F) | 29°C (85°F) | 29°C (84°F) | 29°C (85°F) | 28°C (83°F) | 29°C (84°F) | 30°C (85°F) | 30°C (86°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 72% | 72% | 69% | 71% | 67% | 70% | 75% | 76% |
| Barometric pressure | 1015 hPa | 1014 hPa | 1014 hPa | 1016 hPa | 1016 hPa | 1014 hPa | 1015 hPa | 1016 hPa |
| Cloud cover | 87% | 51% | 49% | 70% | 37% | 52% | 64% | 54% |
| Heat index | 30°C (86°F) | 29°C (85°F) | 29°C (84°F) | 29°C (85°F) | 28°C (83°F) | 29°C (84°F) | 30°C (85°F) | 30°C (86°F) |
| Dew point | 22°C (71°F) | 22°C (71°F) | 21°C (69°F) | 21°C (70°F) | 20°C (67°F) | 21°C (70°F) | 22°C (72°F) | 22°C (72°F) |
| Wind | ||||||||
| Speed | 36km/h (22mph) | 32km/h (20mph) | 32km/h (20mph) | 29km/h (18mph) | 30km/h (18mph) | 26km/h (16mph) | 32km/h (20mph) | 34km/h (21mph) |
| Gusts | 48km/h (30mph) | 43km/h (27mph) | 43km/h (27mph) | 39km/h (25mph) | 44km/h (28mph) | 37km/h (23mph) | 43km/h (27mph) | 48km/h (30mph) |
| Direction | 83° E | 87° E | 81° E | 93° E | 96° E | 73° ENE | 69° ENE | 79° E |
| Wind chill | 27°C (81°F) | 27°C (80°F) | 27°C (80°F) | 27°C (81°F) | 26°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (81°F) |
| Waves | ||||||||
| Height | 1.3m (4.3ft) | 1.4m (4.5ft) | 1.3m (4.3ft) | 1.2m (4.1ft) | 1.3m (4.4ft) | 1.3m (4.3ft) | 1.2m (4.0ft) | 1.2m (4.0ft) |
| Direction | 116° ESE | 116° ESE | 116° ESE | 116° ESE | 116° ESE | 99° E | 116° ESE | 115° ESE |
| Period | 9.2 sec. | 9.2 sec. | 9.1 sec. | 9.1 sec. | 13.2 sec. | 9.0 sec. | 9.0 sec. | 9.0 sec. |
| Significant height | 1.3m (4.3ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.1m (3.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) |
Sea weather on Sunday 7 December 2025
On Sunday 7 December 2025, the sun will rise at 06:30 and will set at 17:37 on the beach(es) of Grand Cul-de-Sac. The outside temperature will be a high of 81°F t and a low of 81°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 28.6mph). 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 | 27°C (81°F) | 27°C (81°F) | 27°C (81°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) |
| Perceived temperature | 30°C (86°F) | 30°C (86°F) | 30°C (85°F) | 30°C (85°F) | 29°C (84°F) | 30°C (85°F) | 30°C (86°F) | 30°C (86°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 77% | 77% | 72% | 77% | 72% | 77% | 76% | 77% |
| Barometric pressure | 1015 hPa | 1014 hPa | 1015 hPa | 1017 hPa | 1016 hPa | 1014 hPa | 1015 hPa | 1016 hPa |
| Cloud cover | 73% | 78% | 44% | 86% | 41% | 67% | 68% | 51% |
| Heat index | 30°C (86°F) | 30°C (86°F) | 30°C (85°F) | 30°C (85°F) | 29°C (84°F) | 30°C (85°F) | 30°C (86°F) | 30°C (86°F) |
| Dew point | 23°C (73°F) | 23°C (73°F) | 22°C (71°F) | 22°C (72°F) | 21°C (71°F) | 22°C (72°F) | 22°C (72°F) | 23°C (73°F) |
| Wind | ||||||||
| Speed | 33km/h (20mph) | 35km/h (21mph) | 32km/h (20mph) | 31km/h (19mph) | 27km/h (17mph) | 25km/h (15mph) | 28km/h (17mph) | 30km/h (19mph) |
| Gusts | 44km/h (27mph) | 46km/h (29mph) | 43km/h (27mph) | 43km/h (27mph) | 41km/h (25mph) | 36km/h (22mph) | 38km/h (24mph) | 41km/h (26mph) |
| Direction | 88° E | 91° E | 92° E | 93° E | 96° E | 86° E | 86° E | 92° E |
| Wind chill | 27°C (81°F) | 27°C (81°F) | 27°C (81°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) |
| Waves | ||||||||
| Height | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.3m (4.2ft) | 1.2m (3.9ft) | 1.1m (3.7ft) | 1.0m (3.4ft) | 1.0m (3.4ft) |
| Direction | 115° ESE | 101° E | 101° E | 100° E | 109° ESE | 117° ESE | 117° ESE | 117° ESE |
| Period | 12.7 sec. | 9.0 sec. | 8.9 sec. | 8.9 sec. | 8.9 sec. | 8.9 sec. | 8.7 sec. | 8.7 sec. |
| Significant height | 1.1m (3.6ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) |
Sea weather on Monday 8 December 2025
On Monday 8 December 2025, the sun will rise at 06:31 and will set at 17:37 on the beach(es) of Grand Cul-de-Sac. The outside temperature will be a high of 81°F t and a low of 74°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 27.3mph). 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 | 27°C (81°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 23°C (74°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) |
| Perceived temperature | 30°C (86°F) | 29°C (85°F) | 29°C (85°F) | 29°C (84°F) | 25°C (77°F) | 29°C (84°F) | 30°C (86°F) | 29°C (85°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 77% | 72% | 73% | 65% | 69% | 72% | 74% | 71% |
| Barometric pressure | 1015 hPa | 1014 hPa | 1014 hPa | 1016 hPa | 1015 hPa | 1013 hPa | 1014 hPa | 1015 hPa |
| Cloud cover | 78% | 46% | 47% | 0% | 6% | 84% | 59% | 24% |
| Heat index | 30°C (86°F) | 29°C (85°F) | 29°C (85°F) | 29°C (84°F) | 25°C (77°F) | 29°C (84°F) | 30°C (86°F) | 29°C (85°F) |
| Dew point | 23°C (73°F) | 21°C (70°F) | 22°C (71°F) | 20°C (68°F) | 17°C (63°F) | 21°C (71°F) | 22°C (72°F) | 21°C (70°F) |
| Wind | ||||||||
| Speed | 32km/h (20mph) | 27km/h (17mph) | 30km/h (19mph) | 27km/h (17mph) | 24km/h (15mph) | 26km/h (16mph) | 25km/h (16mph) | 28km/h (17mph) |
| Gusts | 44km/h (28mph) | 36km/h (23mph) | 41km/h (25mph) | 36km/h (23mph) | 28km/h (17mph) | 38km/h (24mph) | 35km/h (22mph) | 38km/h (24mph) |
| Direction | 90° E | 86° E | 96° E | 102° ESE | 107° ESE | 114° ESE | 109° ESE | 100° E |
| Wind chill | 27°C (81°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 23°C (74°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) |
| Waves | ||||||||
| Height | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.0m (3.4ft) | 1.0m (3.4ft) | 1.1m (3.5ft) | 1.0m (3.4ft) | 1.5m (5.0ft) |
| Direction | 117° ESE | 117° ESE | 117° ESE | 117° ESE | 116° ESE | 116° ESE | 116° ESE | 82° E |
| Period | 8.7 sec. | 8.7 sec. | 8.6 sec. | 8.6 sec. | 8.6 sec. | 8.6 sec. | 8.6 sec. | 8.9 sec. |
| Significant height | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 1.1m (3.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) |
Sea weather on Tuesday 9 December 2025
On Tuesday 9 December 2025, the sun will rise at 06:31 and will set at 17:37 on the beach(es) of Grand Cul-de-Sac. The outside temperature will be a high of 81°F t and a low of 79°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 20.5mph km/h (with gusts up to 28.6mph). Wave height will be up to 5.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 26°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) |
| Perceived temperature | 29°C (84°F) | 29°C (84°F) | 29°C (85°F) | 29°C (85°F) | 29°C (84°F) | 29°C (85°F) | 30°C (86°F) | 30°C (85°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 70% | 70% | 72% | 75% | 76% | 75% | 77% | 76% |
| Barometric pressure | 1015 hPa | 1014 hPa | 1015 hPa | 1016 hPa | 1016 hPa | 1014 hPa | 1014 hPa | 1015 hPa |
| Cloud cover | 31% | 47% | 83% | 70% | 46% | 64% | 70% | 47% |
| Heat index | 29°C (84°F) | 29°C (84°F) | 29°C (85°F) | 29°C (85°F) | 29°C (84°F) | 29°C (85°F) | 30°C (86°F) | 30°C (85°F) |
| Dew point | 21°C (70°F) | 21°C (70°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 23°C (73°F) | 22°C (72°F) |
| Wind | ||||||||
| Speed | 27km/h (17mph) | 24km/h (15mph) | 23km/h (14mph) | 26km/h (16mph) | 28km/h (17mph) | 28km/h (17mph) | 30km/h (19mph) | 33km/h (20mph) |
| Gusts | 36km/h (22mph) | 33km/h (20mph) | 31km/h (19mph) | 37km/h (23mph) | 41km/h (26mph) | 40km/h (25mph) | 42km/h (26mph) | 46km/h (28mph) |
| Direction | 98° E | 98° E | 100° E | 87° E | 93° E | 101° E | 90° E | 94° E |
| Wind chill | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 26°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) |
| Waves | ||||||||
| Height | 1.5m (4.9ft) | 1.5m (4.8ft) | 1.5m (4.9ft) | 1.5m (4.9ft) | 1.5m (4.9ft) | 1.6m (5.2ft) | 1.6m (5.2ft) | 1.5m (4.9ft) |
| Direction | 82° E | 81° E | 81° E | 80° E | 80° E | 79° E | 79° ENE | 79° E |
| Period | 9.0 sec. | 9.3 sec. | 9.2 sec. | 9.0 sec. | 10.0 sec. | 10.8 sec. | 9.3 sec. | 11.2 sec. |
| Significant height | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 1.2m (3.9ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) |
Sea weather on Wednesday 10 December 2025
On Wednesday 10 December 2025, the sun will rise at 06:32 and will set at 17:38 on the beach(es) of Grand Cul-de-Sac. The outside temperature will be a high of 81°F t and a low of 81°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 23mph km/h (with gusts up to 31.7mph). Wave height will be up to 5.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 27°C (80°F) | 27°C (80°F) | 27°C (81°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) |
| Perceived temperature | 29°C (85°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 29°C (84°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 74% | 77% | 78% | 77% | 76% | 80% | 79% | 78% |
| Barometric pressure | 1015 hPa | 1014 hPa | 1015 hPa | 1017 hPa | 1016 hPa | 1015 hPa | 1015 hPa | 1016 hPa |
| Cloud cover | 40% | 71% | 73% | 79% | 64% | 54% | 42% | 21% |
| Heat index | 29°C (85°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 29°C (84°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) |
| Dew point | 22°C (71°F) | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) | 22°C (72°F) | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) |
| Wind | ||||||||
| Speed | 32km/h (20mph) | 29km/h (18mph) | 31km/h (19mph) | 35km/h (22mph) | 37km/h (23mph) | 36km/h (22mph) | 35km/h (22mph) | 37km/h (23mph) |
| Gusts | 45km/h (28mph) | 39km/h (24mph) | 42km/h (26mph) | 45km/h (28mph) | 46km/h (28mph) | 51km/h (32mph) | 49km/h (30mph) | 50km/h (31mph) |
| Direction | 99° E | 87° E | 83° E | 87° E | 91° E | 93° E | 97° E | 97° E |
| Wind chill | 27°C (80°F) | 27°C (80°F) | 27°C (81°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) |
| Waves | ||||||||
| Height | 1.5m (4.9ft) | 1.5m (4.9ft) | 1.5m (4.9ft) | 1.5m (4.9ft) | 1.5m (4.9ft) | 1.5m (4.9ft) | 1.7m (5.6ft) | 1.8m (5.9ft) |
| Direction | 80° E | 80° E | 81° E | 82° E | 85° E | 87° E | 86° E | 87° E |
| Period | 12.2 sec. | 14.4 sec. | 14.1 sec. | 14.0 sec. | 13.6 sec. | 13.2 sec. | 13.1 sec. | 13.0 sec. |
| Significant height | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 1.2m (3.9ft) | 1.3m (4.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) |
Sea weather on Thursday 11 December 2025
On Thursday 11 December 2025, the sun will rise at 06:32 and will set at 17:38 on the beach(es) of Grand Cul-de-Sac. The outside temperature will be a high of 81°F t and a low of 81°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 34.2mph). 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 | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) |
| Perceived temperature | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 29°C (85°F) | 30°C (85°F) | 30°C (86°F) | 30°C (86°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 79% | 79% | 80% | 80% | 79% | 79% | 79% | 80% |
| Barometric pressure | 1015 hPa | 1014 hPa | 1015 hPa | 1016 hPa | 1016 hPa | 1015 hPa | 1015 hPa | 1017 hPa |
| Cloud cover | 61% | 76% | 69% | 37% | 51% | 44% | 68% | 69% |
| Heat index | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 29°C (85°F) | 30°C (85°F) | 30°C (86°F) | 30°C (86°F) |
| Dew point | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) |
| Wind | ||||||||
| Speed | 37km/h (23mph) | 37km/h (23mph) | 41km/h (26mph) | 39km/h (24mph) | 36km/h (22mph) | 34km/h (21mph) | 36km/h (22mph) | 39km/h (24mph) |
| Gusts | 51km/h (32mph) | 50km/h (31mph) | 55km/h (34mph) | 48km/h (30mph) | 41km/h (26mph) | 49km/h (31mph) | 50km/h (31mph) | 54km/h (33mph) |
| Direction | 96° E | 95° E | 91° E | 96° E | 96° E | 93° E | 91° E | 91° E |
| Wind chill | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) |
| Waves | ||||||||
| Height | 1.9m (6.2ft) | 1.9m (6.2ft) | 2.0m (6.6ft) | 2.0m (6.6ft) | 2.1m (6.9ft) | 2.1m (6.9ft) | 2.0m (6.6ft) | 2.1m (6.9ft) |
| Direction | 89° E | 90° E | 90° E | 88° E | 88° E | 90° E | 91° E | 91° E |
| Period | 13.1 sec. | 13.5 sec. | 14.4 sec. | 14.3 sec. | 14.2 sec. | 14.1 sec. | 13.0 sec. | 10.8 sec. |
| Significant height | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.3m (4.3ft) | 1.2m (3.9ft) | 1.3m (4.3ft) | 1.4m (4.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) |







