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
Monday 17 March 202570°F to 77°Frecommended
Tuesday 18 March 202570°F to 79°Frecommended
Wednesday 19 March 202572°F to 79°Frecommended
Thursday 20 March 202577°F to 79°Frecommended
Friday 21 March 202577°F to 79°Frecommended
Saturday 22 March 202577°F to 79°Fdiscouraged
Sunday 23 March 202579°F to 79°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Gustavia

Sea weather on Monday 17 March 2025

On Monday 17 March 2025, the sun will rise at 06:18 and will set at 18:22 on the beach(es) of Gustavia. The outside temperature will be a high of 77°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 7.5mph km/h (with gusts up to 9.9mph). 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)25°C (77°F)25°C (76°F)25°C (77°F)25°C (78°F)25°C (77°F)
Perceived temperature27°C (80°F)27°C (80°F)26°C (80°F)26°C (80°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%67%66%63%62%65%66%67%
Barometric pressure1016 hPa1014 hPa1015 hPa1016 hPa1016 hPa1014 hPa1014 hPa1015 hPa
Cloud cover41%41%6%14%15%31%50%47%
Heat index27°C (80°F)27°C (80°F)26°C (80°F)26°C (80°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (80°F)
Dew point19°C (66°F)19°C (65°F)18°C (65°F)18°C (64°F)17°C (62°F)18°C (65°F)19°C (65°F)19°C (66°F)
Wind
Speed12km/h (7mph)9km/h (5mph)4km/h (2mph)5km/h (3mph)7km/h (4mph)7km/h (4mph)4km/h (2mph)6km/h (4mph)
Gusts16km/h (10mph)12km/h (7mph)5km/h (3mph)7km/h (4mph)11km/h (7mph)10km/h (6mph)5km/h (3mph)9km/h (6mph)
Direction
N
348°
NNW
297°
WNW
275°
W
263°
W
295°
WNW
12°
NNE
91°
E
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (78°F)25°C (77°F)
Waves
Height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.2ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)
Direction 74°
ENE
74°
ENE
74°
ENE
75°
ENE
75°
ENE
78°
ENE
78°
ENE
79°
ENE
Period8.8 sec.8.7 sec.8.6 sec.8.5 sec.11.6 sec.11.4 sec.11.1 sec.10.9 sec.
Significant height0.6m (2ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)
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 18 March 2025

On Tuesday 18 March 2025, the sun will rise at 06:17 and will set at 18:22 on the beach(es) of Gustavia. 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 9.3mph km/h (with gusts up to 18mph). Wave height will be up to 3.3ft 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)25°C (77°F)22°C (71°F)24°C (74°F)25°C (77°F)26°C (79°F)
Perceived temperature27°C (80°F)26°C (80°F)26°C (80°F)27°C (80°F)22°C (71°F)25°C (78°F)27°C (80°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity66%66%65%63%64%64%64%65%
Barometric pressure1015 hPa1013 hPa1014 hPa1015 hPa1015 hPa1012 hPa1013 hPa1014 hPa
Cloud cover31%21%14%0%7%4%4%0%
Heat index27°C (80°F)26°C (80°F)26°C (80°F)27°C (80°F)25°C (76°F)25°C (78°F)27°C (80°F)27°C (81°F)
Dew point19°C (65°F)18°C (65°F)18°C (64°F)18°C (64°F)15°C (58°F)16°C (61°F)18°C (64°F)19°C (66°F)
Wind
Speed9km/h (6mph)10km/h (6mph)11km/h (7mph)9km/h (6mph)13km/h (8mph)15km/h (9mph)15km/h (9mph)15km/h (10mph)
Gusts12km/h (8mph)13km/h (8mph)15km/h (9mph)13km/h (8mph)28km/h (17mph)29km/h (18mph)24km/h (15mph)22km/h (13mph)
Direction 121°
ESE
142°
SE
164°
SSE
172°
S
187°
S
203°
SSW
221°
SW
218°
SW
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)22°C (71°F)24°C (74°F)25°C (77°F)26°C (79°F)
Waves
Height0.6m (2.1ft)0.7m (2.2ft)0.7m (2.3ft)0.7m (2.5ft)0.8m (2.7ft)0.9m (2.9ft)0.9m (3.0ft)1.0m (3.1ft)
Direction 79°
E
82°
E
82°
E
81°
E
82°
E
83°
E
84°
E
84°
E
Period10.8 sec.10.3 sec.10.4 sec.10.5 sec.10.3 sec.10.2 sec.10.3 sec.10.5 sec.
Significant height0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)0.9m (3ft)1.3m (4.3ft)1.3m (4.3ft)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 Wednesday 19 March 2025

On Wednesday 19 March 2025, the sun will rise at 06:16 and will set at 18:22 on the beach(es) of Gustavia. 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 11.8mph km/h (with gusts up to 16.2mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)22°C (72°F)26°C (78°F)26°C (79°F)26°C (78°F)
Perceived temperature28°C (82°F)27°C (81°F)27°C (81°F)27°C (81°F)25°C (76°F)28°C (82°F)28°C (82°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%68%67%63%68%72%71%69%
Barometric pressure1014 hPa1013 hPa1013 hPa1015 hPa1015 hPa1013 hPa1014 hPa1016 hPa
Cloud cover0%4%7%0%11%47%61%45%
Heat index28°C (82°F)27°C (81°F)27°C (81°F)27°C (81°F)25°C (76°F)28°C (82°F)28°C (82°F)27°C (81°F)
Dew point20°C (67°F)19°C (67°F)19°C (67°F)19°C (65°F)16°C (61°F)20°C (68°F)20°C (68°F)20°C (67°F)
Wind
Speed18km/h (11mph)18km/h (11mph)17km/h (10mph)19km/h (12mph)19km/h (12mph)17km/h (11mph)14km/h (9mph)10km/h (6mph)
Gusts24km/h (15mph)25km/h (15mph)23km/h (14mph)26km/h (16mph)26km/h (16mph)25km/h (16mph)19km/h (12mph)14km/h (9mph)
Direction 227°
SW
237°
WSW
236°
SW
256°
WSW
275°
W
290°
WNW
302°
WNW
320°
NW
Wind chill26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)22°C (72°F)26°C (78°F)26°C (79°F)26°C (78°F)
Waves
Height1.0m (3.2ft)0.9m (3.1ft)0.9m (3.0ft)0.8m (2.8ft)0.8m (2.7ft)0.8m (2.6ft)0.7m (2.4ft)0.7m (2.3ft)
Direction 82°
E
82°
E
85°
E
86°
E
86°
E
87°
E
88°
E
88°
E
Period10.8 sec.10.8 sec.10.5 sec.10.4 sec.10.3 sec.10.2 sec.10.2 sec.10.0 sec.
Significant height1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)

Sea weather on Thursday 20 March 2025

On Thursday 20 March 2025, the sun will rise at 06:15 and will set at 18:23 on the beach(es) of Gustavia. 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 10.6mph km/h (with gusts up to 13.7mph). Wave height will be up to 5.6ft 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)25°C (77°F)25°C (76°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 (80°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%73%70%69%68%68%69%71%
Barometric pressure1015 hPa1014 hPa1015 hPa1017 hPa1017 hPa1015 hPa1016 hPa1017 hPa
Cloud cover69%96%33%49%38%52%47%40%
Heat index27°C (81°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (81°F)
Dew point20°C (68°F)20°C (68°F)19°C (66°F)19°C (66°F)18°C (65°F)19°C (66°F)19°C (67°F)20°C (67°F)
Wind
Speed12km/h (7mph)17km/h (10mph)10km/h (6mph)8km/h (5mph)6km/h (4mph)7km/h (4mph)11km/h (7mph)16km/h (10mph)
Gusts16km/h (10mph)22km/h (14mph)14km/h (9mph)11km/h (7mph)9km/h (5mph)10km/h (6mph)16km/h (10mph)22km/h (13mph)
Direction 333°
NNW
334°
NNW
339°
NNW
356°
N
14°
NNE
27°
NNE
28°
NNE
31°
NNE
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (78°F)25°C (78°F)
Waves
Height0.7m (2.3ft)0.7m (2.4ft)0.7m (2.4ft)0.8m (2.5ft)0.8m (2.5ft)0.8m (2.5ft)0.8m (2.5ft)1.7m (5.6ft)
Direction 91°
E
91°
E
86°
E
75°
ENE
64°
ENE
49°
NE
35°
NE
331°
NNW
Period9.8 sec.9.7 sec.9.6 sec.9.5 sec.9.3 sec.10.6 sec.10.9 sec.10.3 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.9m (3ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)

Sea weather on Friday 21 March 2025

On Friday 21 March 2025, the sun will rise at 06:15 and will set at 18:23 on the beach(es) of Gustavia. 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 9.3mph km/h (with gusts up to 13.7mph). Wave height will be up to 5.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (77°F)25°C (78°F)25°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)
Perceived temperature27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%74%75%77%78%78%78%78%
Barometric pressure1017 hPa1015 hPa1016 hPa1017 hPa1017 hPa1016 hPa1016 hPa1017 hPa
Cloud cover26%36%64%80%85%67%33%28%
Heat index27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)
Dew point20°C (68°F)20°C (68°F)21°C (69°F)21°C (70°F)21°C (70°F)21°C (71°F)22°C (71°F)22°C (71°F)
Wind
Speed13km/h (8mph)14km/h (9mph)14km/h (9mph)15km/h (10mph)15km/h (9mph)12km/h (7mph)12km/h (8mph)14km/h (9mph)
Gusts17km/h (11mph)19km/h (12mph)18km/h (11mph)21km/h (13mph)22km/h (13mph)17km/h (10mph)17km/h (11mph)21km/h (13mph)
Direction 44°
NE
56°
NE
69°
ENE
75°
ENE
89°
E
82°
E
67°
ENE
75°
ENE
Wind chill25°C (78°F)25°C (77°F)25°C (78°F)25°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)
Waves
Height1.8m (5.8ft)1.8m (6.1ft)1.8m (6.0ft)1.7m (5.6ft)1.6m (5.2ft)1.5m (4.9ft)1.4m (4.6ft)1.4m (4.6ft)
Direction 329°
NNW
328°
NNW
328°
NNW
327°
NNW
328°
NNW
328°
NNW
328°
NNW
329°
NNW
Period10.6 sec.11.2 sec.11.1 sec.11.0 sec.10.8 sec.10.6 sec.10.2 sec.9.9 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°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 22 March 2025

On Saturday 22 March 2025, the sun will rise at 06:14 and will set at 18:23 on the beach(es) of Gustavia. 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 16.2mph km/h (with gusts up to 21.8mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (79°F)
Perceived temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (83°F)28°C (83°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%77%77%75%73%75%76%74%
Barometric pressure1017 hPa1016 hPa1017 hPa1018 hPa1018 hPa1017 hPa1017 hPa1018 hPa
Cloud cover36%52%43%47%42%72%62%58%
Heat index28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (83°F)28°C (83°F)28°C (83°F)
Dew point21°C (71°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (69°F)21°C (70°F)21°C (71°F)21°C (70°F)
Wind
Speed13km/h (8mph)13km/h (8mph)15km/h (9mph)18km/h (11mph)20km/h (12mph)20km/h (13mph)23km/h (14mph)26km/h (16mph)
Gusts19km/h (12mph)20km/h (12mph)21km/h (13mph)27km/h (17mph)30km/h (19mph)28km/h (18mph)32km/h (20mph)35km/h (22mph)
Direction 73°
ENE
69°
ENE
71°
ENE
91°
E
97°
E
90°
E
87°
E
79°
E
Wind chill25°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (79°F)
Waves
Height1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)
Direction 330°
NNW
333°
NNW
337°
NNW
339°
NNW
342°
NNW
347°
NNW
237°
WSW
10°
N
Period9.8 sec.9.6 sec.9.2 sec.9.1 sec.9.0 sec.8.9 sec.8.8 sec.8.5 sec.
Significant height0.8m (2.6ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)
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 23 March 2025

On Sunday 23 March 2025, the sun will rise at 06:13 and will set at 18:23 on the beach(es) of Gustavia. The outside temperature will be a high of 79°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 19.9mph 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 temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (79°F)
Perceived temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (83°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%75%73%75%74%72%74%78%
Barometric pressure1018 hPa1016 hPa1017 hPa1018 hPa1018 hPa1017 hPa1017 hPa1018 hPa
Cloud cover62%70%51%67%55%38%56%67%
Heat index28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (83°F)28°C (83°F)
Dew point21°C (70°F)21°C (70°F)21°C (69°F)21°C (70°F)21°C (70°F)21°C (69°F)21°C (70°F)22°C (71°F)
Wind
Speed27km/h (17mph)29km/h (18mph)30km/h (19mph)31km/h (19mph)31km/h (19mph)28km/h (18mph)30km/h (18mph)32km/h (20mph)
Gusts37km/h (23mph)39km/h (24mph)40km/h (25mph)44km/h (27mph)45km/h (28mph)42km/h (26mph)41km/h (26mph)44km/h (27mph)
Direction 79°
ENE
79°
ENE
83°
E
84°
E
90°
E
91°
E
82°
E
82°
E
Wind chill26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (79°F)
Waves
Height1.1m (3.6ft)1.1m (3.6ft)1.2m (3.9ft)1.4m (4.6ft)1.5m (4.9ft)1.7m (5.6ft)1.8m (5.9ft)1.8m (5.9ft)
Direction 14°
NNE
24°
NNE
34°
NNE
26°
NNE
122°
ESE
348°
NNW
337°
NNW
337°
NNW
Period8.2 sec.8.1 sec.8.1 sec.8.2 sec.8.5 sec.9.4 sec.11.0 sec.10.8 sec.
Significant height0.9m (3ft)1.0m (3.3ft)1.1m (3.6ft)1.2m (3.9ft)1.3m (4.3ft)1.2m (3.9ft)0.8m (2.6ft)0.8m (2.6ft)
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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