Sea weather in Saint-Denis on the island of Reunion All the beach weather in Saint-Denis

All the essential weather information for enjoying the beach in Saint-Denis on the island of Reunion, 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-Denis over the next 7 days?

Discover the best moment to go to the beach in Saint-Denis on the island of Reunion this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Saint-Denis. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Thursday 11 December 202576°F to 79°Frecommended
Friday 12 December 202576°F to 79°Frecommended
Saturday 13 December 202570°F to 79°Fdiscouraged
Sunday 14 December 202572°F to 79°Fdiscouraged
Monday 15 December 202572°F to 77°Fnot recommended
Tuesday 16 December 202576°F to 79°Fdiscouraged
Wednesday 17 December 202577°F to 79°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Saint-Denis

Sea weather on Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 05:30 and will set at 18:53 on the beach(es) of Saint-Denis. The outside temperature will be a high of 79°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 9.3mph km/h (with gusts up to 13.1mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (77°F)25°C (77°F)26°C (78°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)
Perceived temperature27°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 (81°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%74%75%73%72%72%71%72%
Barometric pressure1015 hPa1014 hPa1015 hPa1015 hPa1014 hPa1013 hPa1014 hPa1014 hPa
Cloud cover32%12%19%26%81%81%89%72%
Heat index27°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 (81°F)27°C (81°F)
Dew point20°C (68°F)20°C (68°F)20°C (68°F)20°C (69°F)19°C (67°F)20°C (67°F)20°C (68°F)20°C (68°F)
Wind
Speed13km/h (8mph)15km/h (9mph)13km/h (8mph)14km/h (9mph)13km/h (8mph)9km/h (5mph)2km/h (1mph)5km/h (3mph)
Gusts17km/h (11mph)20km/h (13mph)18km/h (11mph)18km/h (11mph)21km/h (13mph)13km/h (8mph)3km/h (2mph)7km/h (4mph)
Direction 68°
ENE
69°
ENE
66°
ENE
56°
NE
37°
NE
15°
NNE
76°
ENE
89°
E
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)26°C (78°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)
Waves
Height0.7m (2.4ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.2ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.2ft)
Direction 216°
SW
217°
SW
216°
SW
216°
SW
216°
SW
216°
SW
216°
SW
216°
SW
Period13.3 sec.7.3 sec.7.2 sec.7.2 sec.7.2 sec.7.1 sec.7.0 sec.7.0 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)

Sea weather on Friday 12 December 2025

On Friday 12 December 2025, the sun will rise at 05:31 and will set at 18:53 on the beach(es) of Saint-Denis. The outside temperature will be a high of 79°F t and a low of 76°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 12.4mph km/h (with gusts up to 17.4mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (77°F)25°C (77°F)26°C (78°F)25°C (77°F)25°C (77°F)24°C (76°F)25°C (78°F)
Perceived temperature27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (80°F)26°C (79°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%75%74%74%76%77%77%75%
Barometric pressure1014 hPa1013 hPa1014 hPa1016 hPa1015 hPa1015 hPa1015 hPa1016 hPa
Cloud cover26%53%22%49%67%55%84%82%
Heat index27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (80°F)26°C (79°F)27°C (81°F)
Dew point20°C (69°F)20°C (69°F)20°C (69°F)21°C (69°F)20°C (69°F)21°C (69°F)20°C (68°F)21°C (69°F)
Wind
Speed8km/h (5mph)9km/h (5mph)13km/h (8mph)15km/h (9mph)16km/h (10mph)14km/h (9mph)18km/h (11mph)20km/h (12mph)
Gusts10km/h (6mph)12km/h (7mph)17km/h (11mph)20km/h (12mph)23km/h (14mph)24km/h (15mph)26km/h (16mph)28km/h (17mph)
Direction 111°
ESE
107°
ESE
107°
ESE
105°
ESE
102°
ESE
120°
ESE
132°
SE
111°
ESE
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)26°C (78°F)25°C (77°F)25°C (77°F)24°C (76°F)25°C (78°F)
Waves
Height0.7m (2.2ft)0.7m (2.3ft)0.7m (2.4ft)0.8m (2.5ft)0.8m (2.6ft)0.8m (2.7ft)0.8m (2.7ft)0.9m (2.9ft)
Direction 216°
SW
215°
SW
217°
SW
215°
SW
215°
SW
214°
SW
215°
SW
214°
SW
Period7.0 sec.7.0 sec.7.0 sec.6.8 sec.7.1 sec.15.1 sec.14.5 sec.14.2 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)

Sea weather on Saturday 13 December 2025

On Saturday 13 December 2025, the sun will rise at 05:31 and will set at 18:54 on the beach(es) of Saint-Denis. The outside temperature will be a high of 79°F t and a low of 70°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 18.6mph km/h (with gusts up to 27.3mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (77°F)25°C (77°F)26°C (78°F)25°C (76°F)25°C (77°F)25°C (78°F)25°C (77°F)
Perceived temperature28°C (82°F)27°C (81°F)27°C (81°F)27°C (81°F)26°C (80°F)27°C (81°F)27°C (81°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%76%75%74%75%75%76%75%
Barometric pressure1015 hPa1014 hPa1016 hPa1017 hPa1016 hPa1015 hPa1016 hPa1017 hPa
Cloud cover28%14%13%17%80%79%89%79%
Heat index28°C (82°F)27°C (81°F)27°C (81°F)27°C (81°F)26°C (80°F)27°C (81°F)27°C (81°F)27°C (81°F)
Dew point21°C (70°F)21°C (69°F)20°C (69°F)21°C (69°F)20°C (68°F)20°C (69°F)21°C (69°F)21°C (69°F)
Wind
Speed26km/h (16mph)22km/h (14mph)27km/h (17mph)27km/h (17mph)28km/h (17mph)28km/h (18mph)28km/h (17mph)30km/h (18mph)
Gusts35km/h (22mph)31km/h (19mph)37km/h (23mph)35km/h (22mph)44km/h (27mph)41km/h (26mph)38km/h (24mph)41km/h (26mph)
Direction 113°
ESE
119°
ESE
110°
ESE
109°
ESE
98°
E
100°
E
107°
ESE
108°
ESE
Wind chill26°C (78°F)25°C (77°F)25°C (77°F)26°C (78°F)25°C (76°F)25°C (77°F)25°C (78°F)25°C (77°F)
Waves
Height1.0m (3.3ft)1.1m (3.7ft)1.2m (3.9ft)1.3m (4.2ft)1.4m (4.5ft)1.4m (4.5ft)1.4m (4.5ft)1.4m (4.6ft)
Direction 215°
SW
214°
SW
214°
SSW
213°
SSW
212°
SSW
212°
SSW
211°
SSW
211°
SSW
Period13.8 sec.13.4 sec.13.3 sec.14.7 sec.14.9 sec.15.0 sec.14.6 sec.14.2 sec.
Significant height1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)1.6m (5.2ft)
Sea water temperature
Water temperature27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 05:31 and will set at 18:55 on the beach(es) of Saint-Denis. 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 23mph km/h (with gusts up to 28mph). Wave height will be up to 5.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)25°C (77°F)25°C (77°F)26°C (78°F)22°C (72°F)24°C (74°F)25°C (76°F)25°C (77°F)
Perceived temperature27°C (81°F)27°C (80°F)27°C (80°F)27°C (81°F)25°C (76°F)25°C (78°F)27°C (80°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%75%76%72%72%75%76%77%
Barometric pressure1017 hPa1016 hPa1016 hPa1017 hPa1016 hPa1015 hPa1015 hPa1017 hPa
Cloud cover7%86%8%73%81%85%78%72%
Heat index27°C (81°F)27°C (80°F)27°C (80°F)27°C (81°F)25°C (76°F)25°C (78°F)27°C (80°F)27°C (81°F)
Dew point21°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)17°C (62°F)19°C (66°F)20°C (68°F)21°C (69°F)
Wind
Speed28km/h (18mph)23km/h (14mph)32km/h (20mph)29km/h (18mph)31km/h (19mph)33km/h (21mph)37km/h (23mph)33km/h (21mph)
Gusts39km/h (24mph)31km/h (19mph)43km/h (27mph)38km/h (24mph)34km/h (21mph)34km/h (21mph)40km/h (25mph)45km/h (28mph)
Direction 112°
ESE
119°
ESE
116°
ESE
115°
ESE
104°
ESE
104°
ESE
101°
ESE
107°
ESE
Wind chill25°C (77°F)25°C (77°F)25°C (77°F)26°C (78°F)22°C (72°F)24°C (74°F)25°C (76°F)25°C (77°F)
Waves
Height1.4m (4.7ft)1.3m (4.4ft)1.4m (4.6ft)1.6m (5.2ft)1.7m (5.5ft)1.7m (5.7ft)1.8m (6.0ft)1.8m (6.1ft)
Direction 212°
SSW
211°
SSW
211°
SSW
211°
SSW
103°
ESE
107°
ESE
112°
ESE
109°
ESE
Period14.0 sec.13.7 sec.13.5 sec.13.3 sec.13.0 sec.12.7 sec.12.6 sec.12.4 sec.
Significant height1.4m (4.6ft)1.3m (4.3ft)1.4m (4.6ft)1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)1.6m (5.2ft)1.5m (4.9ft)
Sea water temperature
Water temperature27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 05:32 and will set at 18:55 on the beach(es) of Saint-Denis. The outside temperature will be a high of 77°F t and a low of 72°F. A total of 1.2in of precipitation could spoil your day at the beach. 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 6.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)24°C (76°F)24°C (74°F)23°C (73°F)22°C (71°F)22°C (72°F)23°C (74°F)24°C (75°F)
Perceived temperature27°C (80°F)26°C (79°F)26°C (78°F)25°C (77°F)22°C (71°F)25°C (76°F)25°C (78°F)26°C (78°F)
Precipitation0in0in0.1in0.1in0.7in0.2in0.1in0in
Humidity77%79%86%86%92%87%79%79%
Barometric pressure1016 hPa1015 hPa1016 hPa1017 hPa1015 hPa1016 hPa1016 hPa1017 hPa
Cloud cover89%89%54%71%77%65%54%46%
Heat index27°C (80°F)26°C (79°F)26°C (78°F)25°C (77°F)24°C (76°F)25°C (76°F)25°C (78°F)26°C (78°F)
Dew point21°C (69°F)21°C (69°F)21°C (70°F)20°C (69°F)20°C (69°F)20°C (68°F)19°C (67°F)20°C (68°F)
Wind
Speed30km/h (19mph)31km/h (19mph)32km/h (20mph)28km/h (17mph)14km/h (9mph)12km/h (7mph)25km/h (16mph)30km/h (18mph)
Gusts40km/h (25mph)41km/h (26mph)41km/h (26mph)44km/h (27mph)19km/h (12mph)17km/h (11mph)38km/h (24mph)42km/h (26mph)
Direction 110°
ESE
110°
ESE
104°
ESE
121°
ESE
131°
SE
123°
ESE
111°
ESE
109°
ESE
Wind chill25°C (77°F)24°C (76°F)24°C (74°F)23°C (73°F)22°C (71°F)22°C (72°F)23°C (74°F)24°C (75°F)
Waves
Height1.8m (5.9ft)1.8m (5.9ft)1.8m (5.8ft)1.7m (5.7ft)1.8m (6.1ft)2.1m (6.8ft)2.0m (6.6ft)1.9m (6.2ft)
Direction 106°
ESE
104°
ESE
96°
E
96°
E
97°
E
97°
E
98°
E
98°
E
Period12.1 sec.11.9 sec.9.1 sec.10.8 sec.11.1 sec.15.5 sec.17.6 sec.17.2 sec.
Significant height1.4m (4.6ft)1.3m (4.3ft)1.1m (3.6ft)1.2m (3.9ft)1.5m (4.9ft)1.7m (5.6ft)1.6m (5.2ft)1.4m (4.6ft)
Sea water temperature
Water temperature27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 05:32 and will set at 18:56 on the beach(es) of Saint-Denis. The outside temperature will be a high of 79°F t and a low of 76°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 19.9mph km/h (with gusts up to 27.3mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (75°F)24°C (76°F)25°C (77°F)25°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)
Perceived temperature26°C (78°F)26°C (79°F)26°C (79°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)
Precipitation0in0.1in0in0in0in0in0in0in
Humidity83%83%81%78%75%73%73%75%
Barometric pressure1016 hPa1016 hPa1016 hPa1017 hPa1016 hPa1016 hPa1016 hPa1017 hPa
Cloud cover59%55%39%32%32%42%45%44%
Heat index26°C (78°F)26°C (79°F)26°C (79°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)
Dew point21°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)21°C (69°F)20°C (69°F)21°C (69°F)21°C (69°F)
Wind
Speed27km/h (17mph)26km/h (16mph)30km/h (19mph)32km/h (20mph)31km/h (19mph)30km/h (18mph)29km/h (18mph)28km/h (17mph)
Gusts39km/h (24mph)37km/h (23mph)43km/h (27mph)43km/h (27mph)44km/h (27mph)42km/h (26mph)40km/h (25mph)40km/h (25mph)
Direction 112°
ESE
110°
ESE
105°
ESE
98°
E
95°
E
94°
E
99°
E
103°
ESE
Wind chill24°C (75°F)24°C (75°F)24°C (76°F)25°C (77°F)25°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)
Waves
Height1.7m (5.6ft)1.7m (5.6ft)1.7m (5.6ft)1.7m (5.6ft)1.7m (5.6ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)
Direction 97°
E
184°
S
228°
SW
228°
SW
227°
SW
225°
SW
226°
SW
225°
SW
Period16.5 sec.16.2 sec.16.1 sec.16.0 sec.15.9 sec.15.8 sec.15.2 sec.14.7 sec.
Significant height1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.5m (4.9ft)
Sea water temperature
Water temperature27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 05:33 and will set at 18:56 on the beach(es) of Saint-Denis. The outside temperature will be a high of 79°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 19.9mph km/h (with gusts up to 28.6mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)
Perceived temperature28°C (82°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)27°C (81°F)28°C (82°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%79%78%76%75%76%77%77%
Barometric pressure1016 hPa1016 hPa1017 hPa1017 hPa1017 hPa1017 hPa1017 hPa1019 hPa
Cloud cover36%31%26%19%18%19%22%26%
Heat index28°C (82°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)27°C (81°F)28°C (82°F)28°C (82°F)
Dew point21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)
Wind
Speed27km/h (17mph)27km/h (17mph)28km/h (17mph)30km/h (19mph)32km/h (20mph)31km/h (19mph)31km/h (19mph)32km/h (20mph)
Gusts37km/h (23mph)37km/h (23mph)39km/h (24mph)40km/h (25mph)45km/h (28mph)46km/h (28mph)44km/h (27mph)44km/h (28mph)
Direction 105°
ESE
107°
ESE
107°
ESE
100°
E
95°
E
97°
E
102°
ESE
104°
ESE
Wind chill25°C (78°F)25°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)
Waves
Height1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.7m (5.6ft)1.9m (6.2ft)2.0m (6.6ft)1.9m (6.2ft)
Direction 225°
SW
226°
SW
225°
SW
225°
SW
226°
SW
226°
SW
226°
SW
226°
SW
Period14.5 sec.14.4 sec.14.1 sec.13.7 sec.13.4 sec.13.2 sec.13.1 sec.13.0 sec.
Significant height1.4m (4.6ft)1.0m (3.3ft)1.2m (3.9ft)1.4m (4.6ft)1.6m (5.2ft)1.9m (6.2ft)1.9m (6.2ft)1.7m (5.6ft)
Sea water temperature
Water temperature27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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