Sea weather in Gustavia in Saint-Barthelemy All the beach weather in Gustavia

All the essential weather information for enjoying the beach in Gustavia 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 Gustavia over the next 7 days?

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

Date Outside temp. Our opinion
Friday 5 December 202577°F to 81°Fdiscouraged
Saturday 6 December 202574°F to 81°Fdiscouraged
Sunday 7 December 202581°F to 81°Fdiscouraged
Monday 8 December 202574°F to 81°Fdiscouraged
Tuesday 9 December 202579°F to 81°Fdiscouraged
Wednesday 10 December 202581°F to 81°Fdiscouraged
Thursday 11 December 202581°F to 81°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Gustavia

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 Gustavia. 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.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°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 temperature30°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)
Precipitation0in0in0in0in0in0in0in0in
Humidity73%72%67%71%70%71%67%75%
Barometric pressure1015 hPa1014 hPa1015 hPa1017 hPa1016 hPa1013 hPa1014 hPa1016 hPa
Cloud cover55%77%42%62%75%89%32%57%
Heat index30°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 point22°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
Speed30km/h (19mph)31km/h (19mph)30km/h (18mph)29km/h (18mph)35km/h (22mph)34km/h (21mph)32km/h (20mph)34km/h (21mph)
Gusts41km/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 chill27°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
Height1.5m (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
Period9.4 sec.9.4 sec.9.5 sec.9.4 sec.9.4 sec.9.4 sec.9.3 sec.9.3 sec.
Significant height1.6m (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 temperature26°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 Gustavia. 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.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside 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 (80°F)27°C (81°F)
Perceived temperature30°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)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%72%69%71%67%70%75%76%
Barometric pressure1015 hPa1014 hPa1014 hPa1016 hPa1016 hPa1014 hPa1015 hPa1016 hPa
Cloud cover87%51%49%70%37%52%64%54%
Heat index30°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 point22°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
Speed36km/h (22mph)32km/h (20mph)32km/h (20mph)29km/h (18mph)30km/h (18mph)26km/h (16mph)32km/h (20mph)34km/h (21mph)
Gusts48km/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 chill27°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
Height1.3m (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
Period9.2 sec.9.2 sec.9.1 sec.9.1 sec.13.2 sec.9.0 sec.9.0 sec.9.0 sec.
Significant height1.3m (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 temperature26°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 Gustavia. 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.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°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 temperature30°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)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%77%72%77%72%77%76%77%
Barometric pressure1015 hPa1014 hPa1015 hPa1017 hPa1016 hPa1014 hPa1015 hPa1016 hPa
Cloud cover73%78%44%86%41%67%68%51%
Heat index30°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 point23°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
Speed33km/h (20mph)35km/h (21mph)32km/h (20mph)31km/h (19mph)27km/h (17mph)25km/h (15mph)28km/h (17mph)30km/h (19mph)
Gusts44km/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 chill27°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
Height1.3m (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
Period12.7 sec.9.0 sec.8.9 sec.8.9 sec.8.9 sec.8.9 sec.8.7 sec.8.7 sec.
Significant height1.1m (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 temperature26°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 Gustavia. 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.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°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 temperature30°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)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%72%73%65%69%72%74%71%
Barometric pressure1015 hPa1014 hPa1014 hPa1016 hPa1015 hPa1013 hPa1014 hPa1015 hPa
Cloud cover78%46%47%0%6%84%59%24%
Heat index30°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 point23°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
Speed32km/h (20mph)27km/h (17mph)30km/h (19mph)27km/h (17mph)24km/h (15mph)26km/h (16mph)25km/h (16mph)28km/h (17mph)
Gusts44km/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 chill27°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
Height1.1m (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
Period8.7 sec.8.7 sec.8.6 sec.8.6 sec.8.6 sec.8.6 sec.8.6 sec.8.9 sec.
Significant height1.0m (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 temperature26°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 Gustavia. 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.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°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 temperature29°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)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%70%72%75%76%75%77%76%
Barometric pressure1015 hPa1014 hPa1015 hPa1016 hPa1016 hPa1014 hPa1014 hPa1015 hPa
Cloud cover31%47%83%70%46%64%70%47%
Heat index29°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 point21°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
Speed27km/h (17mph)24km/h (15mph)23km/h (14mph)26km/h (16mph)28km/h (17mph)28km/h (17mph)30km/h (19mph)33km/h (20mph)
Gusts36km/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 chill27°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
Height1.5m (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
Period9.0 sec.9.3 sec.9.2 sec.9.0 sec.10.0 sec.10.8 sec.9.3 sec.11.2 sec.
Significant height1.0m (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 temperature26°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 Gustavia. 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.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°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 temperature29°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)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%77%78%77%76%80%79%78%
Barometric pressure1015 hPa1014 hPa1015 hPa1017 hPa1016 hPa1015 hPa1015 hPa1016 hPa
Cloud cover40%71%73%79%64%54%42%21%
Heat index29°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 point22°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
Speed32km/h (20mph)29km/h (18mph)31km/h (19mph)35km/h (22mph)37km/h (23mph)36km/h (22mph)35km/h (22mph)37km/h (23mph)
Gusts45km/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 chill27°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
Height1.5m (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
Period12.2 sec.14.4 sec.14.1 sec.14.0 sec.13.6 sec.13.2 sec.13.1 sec.13.0 sec.
Significant height1.0m (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 temperature28°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 Gustavia. 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.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°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 temperature30°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)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%79%80%80%79%79%79%80%
Barometric pressure1015 hPa1014 hPa1015 hPa1016 hPa1016 hPa1015 hPa1015 hPa1017 hPa
Cloud cover61%76%69%37%51%44%68%69%
Heat index30°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 point23°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
Speed37km/h (23mph)37km/h (23mph)41km/h (26mph)39km/h (24mph)36km/h (22mph)34km/h (21mph)36km/h (22mph)39km/h (24mph)
Gusts51km/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 chill27°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
Height1.9m (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
Period13.1 sec.13.5 sec.14.4 sec.14.3 sec.14.2 sec.14.1 sec.13.0 sec.10.8 sec.
Significant height1.3m (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 temperature28°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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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