Sea weather in Sainte-Marie Island in Madagascar All the beach weather in Sainte-Marie Island
All the essential weather information for enjoying the beach in Sainte-Marie Island in Madagascar, 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 Sainte-Marie Island over the next 7 days?
Discover the best moment to go to the beach in Sainte-Marie Island in Madagascar this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Sainte-Marie Island. 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 |
|---|---|---|---|---|
| Monday 15 December 2025 | 72°F to 77°F | 5mph | recommended | all the sea weather |
| Tuesday 16 December 2025 | 72°F to 79°F | 4.4mph | recommended | all the sea weather |
| Wednesday 17 December 2025 | 74°F to 76°F | 6.8mph | discouraged | all the sea weather |
| Thursday 18 December 2025 | 72°F to 76°F | 3.1mph | recommended | all the sea weather |
| Friday 19 December 2025 | 72°F to 79°F | 1.9mph | recommended | all the sea weather |
| Saturday 20 December 2025 | 72°F to 81°F | 1.9mph | recommended | all the sea weather |
| Sunday 21 December 2025 | 76°F to 81°F | 3.7mph | recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Sainte-Marie Island
Sea weather on Monday 15 December 2025
On Monday 15 December 2025, the sun will rise at 05:03 and will set at 18:12 on the beach(es) of Sainte-Marie Island. The outside temperature will be a high of 77°F t and a low of 72°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 6.8mph km/h (with gusts up to 11.2mph). 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 | 23°C (73°F) | 22°C (72°F) | 22°C (72°F) | 24°C (75°F) | 25°C (76°F) | 25°C (76°F) | 23°C (73°F) | 23°C (73°F) |
| Perceived temperature | 25°C (77°F) | 25°C (76°F) | 25°C (76°F) | 26°C (79°F) | 27°C (80°F) | 27°C (80°F) | 25°C (77°F) | 25°C (77°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0.1in | 0in |
| Humidity | 93% | 95% | 95% | 91% | 86% | 85% | 90% | 91% |
| Barometric pressure | 1015 hPa | 1014 hPa | 1016 hPa | 1017 hPa | 1016 hPa | 1014 hPa | 1015 hPa | 1016 hPa |
| Cloud cover | 73% | 64% | 96% | 82% | 88% | 83% | 76% | 79% |
| Heat index | 25°C (77°F) | 25°C (76°F) | 25°C (76°F) | 26°C (79°F) | 27°C (80°F) | 27°C (80°F) | 25°C (77°F) | 25°C (77°F) |
| Dew point | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 22°C (72°F) | 22°C (72°F) | 22°C (71°F) | 21°C (70°F) | 21°C (70°F) |
| Wind | ||||||||
| Speed | 8km/h (5mph) | 10km/h (6mph) | 11km/h (7mph) | 11km/h (7mph) | 10km/h (6mph) | 10km/h (6mph) | 9km/h (5mph) | 8km/h (5mph) |
| Gusts | 13km/h (8mph) | 17km/h (10mph) | 16km/h (10mph) | 16km/h (10mph) | 18km/h (11mph) | 17km/h (11mph) | 16km/h (10mph) | 15km/h (9mph) |
| Direction | 209° SSW | 196° SSW | 200° SSW | 183° S | 145° SE | 162° SSE | 145° SE | 149° SSE |
| Wind chill | 23°C (73°F) | 22°C (72°F) | 22°C (72°F) | 24°C (75°F) | 25°C (76°F) | 25°C (76°F) | 23°C (73°F) | 23°C (73°F) |
| Waves | ||||||||
| Height | 1.4m (4.7ft) | 1.4m (4.5ft) | 1.3m (4.3ft) | 1.3m (4.2ft) | 1.3m (4.2ft) | 1.3m (4.4ft) | 1.4m (4.5ft) | 1.4m (4.8ft) |
| Direction | 114° ESE | 110° ESE | 114° ESE | 110° ESE | 109° ESE | 108° ESE | 107° ESE | 106° ESE |
| Period | 7.9 sec. | 7.9 sec. | 7.9 sec. | 7.8 sec. | 7.7 sec. | 7.6 sec. | 7.7 sec. | 7.9 sec. |
| Significant height | 0.2m (0.7ft) | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.2m (0.7ft) |
| 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 Tuesday 16 December 2025
On Tuesday 16 December 2025, the sun will rise at 05:03 and will set at 18:13 on the beach(es) of Sainte-Marie Island. The outside temperature will be a high of 79°F t and a low of 72°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 6.8mph km/h (with gusts up to 11.8mph). Wave height will be up to 5.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 23°C (73°F) | 22°C (72°F) | 22°C (72°F) | 25°C (78°F) | 26°C (78°F) | 25°C (78°F) | 23°C (74°F) | 23°C (74°F) |
| Perceived temperature | 25°C (77°F) | 25°C (76°F) | 25°C (76°F) | 28°C (82°F) | 28°C (82°F) | 28°C (82°F) | 25°C (78°F) | 25°C (78°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0.1in |
| Humidity | 91% | 93% | 92% | 79% | 78% | 82% | 89% | 91% |
| Barometric pressure | 1015 hPa | 1014 hPa | 1016 hPa | 1016 hPa | 1014 hPa | 1013 hPa | 1014 hPa | 1015 hPa |
| Cloud cover | 81% | 77% | 71% | 81% | 51% | 86% | 82% | 64% |
| Heat index | 25°C (77°F) | 25°C (76°F) | 25°C (76°F) | 28°C (82°F) | 28°C (82°F) | 28°C (82°F) | 25°C (78°F) | 25°C (78°F) |
| Dew point | 21°C (70°F) | 21°C (69°F) | 21°C (69°F) | 21°C (71°F) | 22°C (71°F) | 22°C (72°F) | 21°C (70°F) | 22°C (71°F) |
| Wind | ||||||||
| Speed | 6km/h (4mph) | 9km/h (6mph) | 9km/h (6mph) | 9km/h (6mph) | 11km/h (7mph) | 10km/h (6mph) | 8km/h (5mph) | 7km/h (4mph) |
| Gusts | 11km/h (7mph) | 16km/h (10mph) | 15km/h (9mph) | 14km/h (9mph) | 17km/h (11mph) | 19km/h (12mph) | 15km/h (9mph) | 13km/h (8mph) |
| Direction | 188° S | 195° SSW | 205° SSW | 161° SSE | 132° SE | 128° SE | 131° SE | 101° E |
| Wind chill | 23°C (73°F) | 22°C (72°F) | 22°C (72°F) | 25°C (78°F) | 26°C (78°F) | 25°C (78°F) | 23°C (74°F) | 23°C (74°F) |
| Waves | ||||||||
| Height | 1.5m (5.0ft) | 1.6m (5.2ft) | 1.6m (5.2ft) | 1.6m (5.2ft) | 1.6m (5.2ft) | 1.6m (5.2ft) | 1.6m (5.4ft) | 1.7m (5.4ft) |
| Direction | 107° ESE | 106° ESE | 106° ESE | 105° ESE | 103° ESE | 102° ESE | 101° ESE | 101° E |
| Period | 8.1 sec. | 8.1 sec. | 8.1 sec. | 8.2 sec. | 8.2 sec. | 8.2 sec. | 8.3 sec. | 8.3 sec. |
| Significant height | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.3m (1ft) |
| 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 Wednesday 17 December 2025
On Wednesday 17 December 2025, the sun will rise at 05:03 and will set at 18:13 on the beach(es) of Sainte-Marie Island. The outside temperature will be a high of 76°F t and a low of 74°F. Precipitation is in the forecast (0.5in 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 6.8mph km/h (with gusts up to 13.7mph). 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 | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) | 24°C (75°F) | 24°C (76°F) | 24°C (74°F) | 23°C (73°F) | 23°C (74°F) |
| Perceived temperature | 26°C (78°F) | 25°C (78°F) | 25°C (78°F) | 26°C (79°F) | 27°C (80°F) | 26°C (79°F) | 25°C (77°F) | 25°C (78°F) |
| Precipitation | 0.1in | 0.1in | 0.1in | 0in | 0in | 0in | 0.1in | 0.1in |
| Humidity | 91% | 92% | 92% | 91% | 89% | 92% | 95% | 94% |
| Barometric pressure | 1015 hPa | 1014 hPa | 1016 hPa | 1016 hPa | 1015 hPa | 1015 hPa | 1016 hPa | 1017 hPa |
| Cloud cover | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 91% |
| Heat index | 26°C (78°F) | 25°C (78°F) | 25°C (78°F) | 26°C (79°F) | 27°C (80°F) | 26°C (79°F) | 25°C (77°F) | 25°C (78°F) |
| Dew point | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (72°F) | 22°C (72°F) | 22°C (72°F) | 22°C (71°F) | 22°C (72°F) |
| Wind | ||||||||
| Speed | 6km/h (4mph) | 4km/h (3mph) | 4km/h (3mph) | 5km/h (3mph) | 8km/h (5mph) | 8km/h (5mph) | 9km/h (6mph) | 11km/h (7mph) |
| Gusts | 11km/h (7mph) | 8km/h (5mph) | 8km/h (5mph) | 11km/h (7mph) | 14km/h (9mph) | 17km/h (10mph) | 17km/h (10mph) | 22km/h (14mph) |
| Direction | 95° E | 110° ESE | 133° SE | 98° E | 112° ESE | 135° SE | 147° SSE | 130° SE |
| Wind chill | 23°C (74°F) | 23°C (74°F) | 23°C (74°F) | 24°C (75°F) | 24°C (76°F) | 24°C (74°F) | 23°C (73°F) | 23°C (74°F) |
| Waves | ||||||||
| Height | 1.6m (5.3ft) | 1.6m (5.2ft) | 1.6m (5.2ft) | 1.6m (5.2ft) | 1.6m (5.2ft) | 1.6m (5.2ft) | 1.6m (5.2ft) | 1.5m (5.1ft) |
| Direction | 100° E | 100° E | 100° E | 99° E | 99° E | 98° E | 98° E | 98° E |
| Period | 8.3 sec. | 8.3 sec. | 8.3 sec. | 8.3 sec. | 8.3 sec. | 8.3 sec. | 8.4 sec. | 8.5 sec. |
| Significant height | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.3m (1ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.2m (0.7ft) |
| 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 18 December 2025
On Thursday 18 December 2025, the sun will rise at 05:04 and will set at 18:14 on the beach(es) of Sainte-Marie Island. The outside temperature will be a high of 76°F t and a low of 72°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 6.2mph km/h (with gusts up to 9.9mph). 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 | 23°C (74°F) | 23°C (73°F) | 23°C (73°F) | 23°C (74°F) | 24°C (74°F) | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) |
| Perceived temperature | 26°C (78°F) | 25°C (77°F) | 25°C (77°F) | 25°C (78°F) | 26°C (78°F) | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) |
| Precipitation | 0in | 0.1in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 93% | 93% | 91% | 92% | 87% | 90% | 90% | 90% |
| Barometric pressure | 1016 hPa | 1015 hPa | 1017 hPa | 1018 hPa | 1017 hPa | 1016 hPa | 1017 hPa | 1018 hPa |
| Cloud cover | 81% | 100% | 84% | 68% | 62% | 88% | 62% | 74% |
| Heat index | 26°C (78°F) | 25°C (77°F) | 25°C (77°F) | 25°C (78°F) | 26°C (78°F) | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) |
| Dew point | 22°C (72°F) | 22°C (71°F) | 21°C (70°F) | 22°C (71°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) |
| Wind | ||||||||
| Speed | 8km/h (5mph) | 7km/h (4mph) | 5km/h (3mph) | 10km/h (6mph) | 6km/h (4mph) | 5km/h (3mph) | 7km/h (4mph) | 5km/h (3mph) |
| Gusts | 14km/h (9mph) | 13km/h (8mph) | 8km/h (5mph) | 16km/h (10mph) | 9km/h (5mph) | 8km/h (5mph) | 13km/h (8mph) | 9km/h (6mph) |
| Direction | 128° SE | 120° ESE | 163° SSE | 188° S | 145° SE | 134° SE | 187° S | 213° SSW |
| Wind chill | 23°C (74°F) | 23°C (73°F) | 23°C (73°F) | 23°C (74°F) | 24°C (74°F) | 23°C (73°F) | 23°C (73°F) | 23°C (73°F) |
| Waves | ||||||||
| Height | 1.5m (4.9ft) | 1.4m (4.8ft) | 1.4m (4.6ft) | 1.4m (4.7ft) | 1.4m (4.7ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.4m (4.6ft) |
| Direction | 98° E | 98° E | 98° E | 97° E | 97° E | 97° E | 97° E | 97° E |
| Period | 8.5 sec. | 8.5 sec. | 8.5 sec. | 8.5 sec. | 8.4 sec. | 8.4 sec. | 8.4 sec. | 8.4 sec. |
| Significant height | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.2m (0.7ft) |
| 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 Friday 19 December 2025
On Friday 19 December 2025, the sun will rise at 05:04 and will set at 18:14 on the beach(es) of Sainte-Marie Island. The outside temperature will be a high of 79°F t and a low of 72°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 5mph km/h (with gusts up to 8.1mph). 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 | 22°C (72°F) | 22°C (71°F) | 22°C (72°F) | 24°C (75°F) | 26°C (78°F) | 25°C (77°F) | 24°C (75°F) | 24°C (75°F) |
| Perceived temperature | 25°C (76°F) | 22°C (71°F) | 25°C (76°F) | 26°C (79°F) | 27°C (81°F) | 27°C (81°F) | 26°C (78°F) | 26°C (79°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 93% | 93% | 91% | 86% | 74% | 79% | 81% | 81% |
| Barometric pressure | 1016 hPa | 1015 hPa | 1016 hPa | 1017 hPa | 1015 hPa | 1013 hPa | 1013 hPa | 1015 hPa |
| Cloud cover | 76% | 82% | 60% | 71% | 82% | 85% | 81% | 77% |
| Heat index | 25°C (76°F) | 24°C (76°F) | 25°C (76°F) | 26°C (79°F) | 27°C (81°F) | 27°C (81°F) | 26°C (78°F) | 26°C (79°F) |
| Dew point | 21°C (70°F) | 20°C (69°F) | 21°C (69°F) | 22°C (71°F) | 21°C (69°F) | 21°C (70°F) | 20°C (69°F) | 21°C (69°F) |
| Wind | ||||||||
| Speed | 6km/h (4mph) | 8km/h (5mph) | 6km/h (4mph) | 6km/h (4mph) | 8km/h (5mph) | 7km/h (4mph) | 4km/h (3mph) | 3km/h (2mph) |
| Gusts | 11km/h (7mph) | 13km/h (8mph) | 11km/h (7mph) | 9km/h (6mph) | 11km/h (7mph) | 11km/h (7mph) | 8km/h (5mph) | 4km/h (3mph) |
| Direction | 245° WSW | 235° SW | 215° SW | 223° SW | 134° SE | 114° ESE | 143° SE | 146° SSE |
| Wind chill | 22°C (72°F) | 22°C (71°F) | 22°C (72°F) | 24°C (75°F) | 26°C (78°F) | 25°C (77°F) | 24°C (75°F) | 24°C (75°F) |
| Waves | ||||||||
| Height | 1.4m (4.7ft) | 1.4m (4.7ft) | 1.4m (4.7ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 1.4m (4.5ft) | 1.4m (4.5ft) | 1.4m (4.5ft) |
| Direction | 97° E | 97° E | 97° E | 96° E | 96° E | 97° E | 97° E | 97° E |
| Period | 8.5 sec. | 8.5 sec. | 8.6 sec. | 8.7 sec. | 8.7 sec. | 8.8 sec. | 9.0 sec. | 9.0 sec. |
| Significant height | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.2m (0.7ft) |
| 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 Saturday 20 December 2025
On Saturday 20 December 2025, the sun will rise at 05:05 and will set at 18:15 on the beach(es) of Sainte-Marie Island. The outside temperature will be a high of 81°F t and a low of 72°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 6.8mph km/h (with gusts up to 9.3mph). 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 | 23°C (73°F) | 22°C (71°F) | 22°C (72°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) | 25°C (77°F) | 24°C (75°F) |
| Perceived temperature | 25°C (77°F) | 22°C (71°F) | 25°C (76°F) | 29°C (84°F) | 29°C (84°F) | 29°C (84°F) | 27°C (81°F) | 26°C (79°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 88% | 90% | 88% | 67% | 65% | 64% | 79% | 84% |
| Barometric pressure | 1014 hPa | 1013 hPa | 1014 hPa | 1014 hPa | 1012 hPa | 1010 hPa | 1011 hPa | 1013 hPa |
| Cloud cover | 78% | 40% | 50% | 73% | 24% | 84% | 16% | 51% |
| Heat index | 25°C (77°F) | 24°C (76°F) | 25°C (76°F) | 29°C (84°F) | 29°C (84°F) | 29°C (84°F) | 27°C (81°F) | 26°C (79°F) |
| Dew point | 20°C (69°F) | 20°C (68°F) | 20°C (68°F) | 20°C (69°F) | 20°C (68°F) | 20°C (68°F) | 21°C (70°F) | 21°C (70°F) |
| Wind | ||||||||
| Speed | 7km/h (4mph) | 7km/h (4mph) | 7km/h (4mph) | 6km/h (4mph) | 11km/h (7mph) | 10km/h (6mph) | 7km/h (4mph) | 3km/h (2mph) |
| Gusts | 12km/h (8mph) | 13km/h (8mph) | 12km/h (7mph) | 7km/h (4mph) | 15km/h (10mph) | 14km/h (8mph) | 12km/h (7mph) | 4km/h (3mph) |
| Direction | 230° SW | 237° WSW | 234° SW | 161° SSE | 110° ESE | 93° E | 104° ESE | 129° SE |
| Wind chill | 23°C (73°F) | 22°C (71°F) | 22°C (72°F) | 27°C (80°F) | 27°C (81°F) | 27°C (81°F) | 25°C (77°F) | 24°C (75°F) |
| Waves | ||||||||
| Height | 1.4m (4.6ft) | 1.4m (4.7ft) | 1.5m (4.8ft) | 1.4m (4.7ft) | 1.4m (4.6ft) | 1.3m (4.4ft) | 1.3m (4.2ft) | 1.2m (4.0ft) |
| Direction | 96° E | 95° E | 95° E | 95° E | 95° E | 95° E | 95° E | 95° E |
| Period | 9.0 sec. | 9.1 sec. | 9.2 sec. | 9.3 sec. | 9.3 sec. | 9.2 sec. | 9.2 sec. | 9.2 sec. |
| Significant height | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.3m (1ft) | 0.3m (1ft) | 0.1m (0.3ft) | 0.1m (0.3ft) |
| 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 Sunday 21 December 2025
On Sunday 21 December 2025, the sun will rise at 05:05 and will set at 18:15 on the beach(es) of Sainte-Marie Island. The outside temperature will be a high of 81°F t and a low of 76°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 6.2mph km/h (with gusts up to 8.7mph). 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 | 24°C (75°F) | 24°C (74°F) | 24°C (74°F) | 27°C (81°F) | 26°C (79°F) | 27°C (81°F) | 25°C (78°F) | 25°C (76°F) |
| Perceived temperature | 26°C (79°F) | 26°C (78°F) | 26°C (78°F) | 29°C (85°F) | 28°C (83°F) | 29°C (85°F) | 27°C (81°F) | 26°C (80°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 85% | 86% | 87% | 69% | 73% | 71% | 80% | 79% |
| Barometric pressure | 1012 hPa | 1011 hPa | 1013 hPa | 1013 hPa | 1011 hPa | 1010 hPa | 1011 hPa | 1013 hPa |
| Cloud cover | 66% | 61% | 57% | 62% | 81% | 70% | 46% | 85% |
| Heat index | 26°C (79°F) | 26°C (78°F) | 26°C (78°F) | 29°C (85°F) | 28°C (83°F) | 29°C (85°F) | 27°C (81°F) | 26°C (80°F) |
| Dew point | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 21°C (70°F) | 22°C (71°F) | 21°C (69°F) |
| Wind | ||||||||
| Speed | 2km/h (1mph) | 5km/h (3mph) | 7km/h (4mph) | 7km/h (4mph) | 10km/h (6mph) | 10km/h (6mph) | 8km/h (5mph) | 6km/h (4mph) |
| Gusts | 4km/h (2mph) | 8km/h (5mph) | 12km/h (7mph) | 8km/h (5mph) | 14km/h (9mph) | 13km/h (8mph) | 14km/h (9mph) | 10km/h (6mph) |
| Direction | 231° SW | 195° SSW | 193° SSW | 162° SSE | 107° ESE | 89° E | 73° ENE | 64° ENE |
| Wind chill | 24°C (75°F) | 24°C (74°F) | 24°C (74°F) | 27°C (81°F) | 26°C (79°F) | 27°C (81°F) | 25°C (78°F) | 25°C (76°F) |
| Waves | ||||||||
| Height | 1.2m (3.9ft) | 1.2m (3.8ft) | 1.1m (3.8ft) | 1.1m (3.7ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.1m (3.7ft) | 1.1m (3.7ft) |
| Direction | 95° E | 96° E | 96° E | 96° E | 96° E | 96° E | 95° E | 96° E |
| Period | 9.2 sec. | 9.2 sec. | 9.2 sec. | 9.1 sec. | 9.1 sec. | 9.1 sec. | 9.1 sec. | 9.2 sec. |
| Significant height | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.1m (0.3ft) |
| 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) |



