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
Sunday 16 March 202577°F to 79°Frecommended
Monday 17 March 202576°F to 77°Frecommended
Tuesday 18 March 202577°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°Fdiscouraged
Saturday 22 March 202577°F to 79°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Gustavia

Sea weather on Sunday 16 March 2025

On Sunday 16 March 2025, the sun will rise at 06:19 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 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 9.9mph km/h (with gusts up to 13.7mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (78°F)25°C (77°F)25°C (78°F)25°C (77°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)27°C (81°F)27°C (80°F)27°C (81°F)27°C (81°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%74%73%72%72%71%70%72%
Barometric pressure1015 hPa1014 hPa1015 hPa1017 hPa1017 hPa1015 hPa1016 hPa1017 hPa
Cloud cover40%38%39%42%38%26%31%74%
Heat index28°C (82°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (80°F)27°C (81°F)27°C (81°F)27°C (81°F)
Dew point21°C (69°F)20°C (69°F)20°C (68°F)20°C (68°F)20°C (67°F)20°C (67°F)20°C (68°F)20°C (68°F)
Wind
Speed10km/h (6mph)8km/h (5mph)8km/h (5mph)7km/h (4mph)9km/h (6mph)9km/h (6mph)10km/h (6mph)16km/h (10mph)
Gusts13km/h (8mph)11km/h (7mph)11km/h (7mph)9km/h (6mph)14km/h (8mph)14km/h (9mph)14km/h (9mph)22km/h (13mph)
Direction 21°
NNE
27°
NNE
33°
NNE
42°
NE
20°
NNE
11°
NNE
11°
N
18°
NNE
Wind chill26°C (78°F)25°C (78°F)25°C (77°F)25°C (78°F)25°C (77°F)25°C (78°F)26°C (78°F)26°C (78°F)
Waves
Height0.5m (1.5ft)0.5m (1.5ft)0.5m (1.6ft)0.5m (1.7ft)0.5m (1.7ft)0.5m (1.8ft)0.6m (1.9ft)0.7m (2.2ft)
Direction 101°
E
67°
ENE
69°
ENE
69°
ENE
70°
ENE
72°
ENE
73°
ENE
88°
E
Period6.9 sec.7.0 sec.7.1 sec.7.3 sec.7.4 sec.7.5 sec.7.3 sec.9.0 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)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 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 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 12.4mph). 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)24°C (76°F)25°C (77°F)25°C (78°F)25°C (77°F)
Perceived temperature27°C (81°F)27°C (80°F)27°C (80°F)26°C (80°F)26°C (78°F)26°C (80°F)27°C (80°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity73%72%71%69%68%68%68%69%
Barometric pressure1017 hPa1015 hPa1015 hPa1017 hPa1017 hPa1014 hPa1014 hPa1015 hPa
Cloud cover66%57%60%20%16%33%56%66%
Heat index27°C (81°F)27°C (80°F)27°C (80°F)26°C (80°F)26°C (78°F)26°C (80°F)27°C (80°F)27°C (80°F)
Dew point20°C (68°F)20°C (67°F)19°C (67°F)19°C (66°F)18°C (64°F)19°C (65°F)19°C (66°F)19°C (67°F)
Wind
Speed15km/h (9mph)12km/h (7mph)9km/h (6mph)7km/h (4mph)5km/h (3mph)6km/h (4mph)9km/h (5mph)10km/h (6mph)
Gusts20km/h (13mph)16km/h (10mph)13km/h (8mph)10km/h (6mph)8km/h (5mph)9km/h (6mph)12km/h (7mph)14km/h (9mph)
Direction 27°
NNE
34°
NNE
38°
NE
36°
NE
39°
NE
28°
NNE
39°
NE
55°
NE
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)24°C (76°F)25°C (77°F)25°C (78°F)25°C (77°F)
Waves
Height0.7m (2.4ft)0.7m (2.5ft)0.7m (2.4ft)0.7m (2.3ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (2.1ft)0.7m (2.2ft)
Direction 90°
E
93°
E
94°
E
94°
E
94°
E
93°
E
93°
E
93°
E
Period8.8 sec.8.6 sec.8.5 sec.8.5 sec.8.4 sec.8.3 sec.8.3 sec.8.5 sec.
Significant height0.8m (2.6ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (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 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 8.1mph km/h (with gusts up to 11.8mph). Wave height will be up to 3.6ft 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)25°C (77°F)25°C (77°F)26°C (78°F)26°C (78°F)26°C (78°F)
Perceived temperature27°C (80°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (80°F)27°C (81°F)28°C (82°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%74%73%73%69%70%72%73%
Barometric pressure1015 hPa1013 hPa1014 hPa1015 hPa1015 hPa1012 hPa1013 hPa1014 hPa
Cloud cover34%31%30%51%37%56%61%40%
Heat index27°C (80°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (80°F)27°C (81°F)28°C (82°F)28°C (82°F)
Dew point20°C (67°F)20°C (68°F)20°C (67°F)20°C (68°F)19°C (66°F)20°C (68°F)20°C (69°F)21°C (69°F)
Wind
Speed10km/h (6mph)10km/h (6mph)10km/h (6mph)11km/h (7mph)13km/h (8mph)13km/h (8mph)10km/h (6mph)7km/h (4mph)
Gusts14km/h (8mph)14km/h (8mph)13km/h (8mph)15km/h (9mph)19km/h (12mph)19km/h (12mph)14km/h (8mph)10km/h (6mph)
Direction 73°
ENE
85°
E
128°
SE
148°
SSE
180°
S
201°
SSW
217°
SW
238°
WSW
Wind chill25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)26°C (78°F)26°C (78°F)26°C (78°F)
Waves
Height0.7m (2.2ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (2.9ft)1.0m (3.2ft)1.0m (3.4ft)1.1m (3.6ft)
Direction 93°
E
94°
E
91°
E
86°
E
87°
E
84°
E
83°
E
85°
E
Period8.5 sec.8.6 sec.8.8 sec.9.7 sec.9.9 sec.11.6 sec.11.5 sec.11.4 sec.
Significant height0.9m (3ft)0.9m (3ft)0.9m (3ft)1.1m (3.6ft)1.3m (4.3ft)1.4m (4.6ft)0.3m (1ft)0.3m (1ft)
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 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 10.6mph km/h (with gusts up to 15.5mph). 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 (78°F)25°C (78°F)26°C (78°F)22°C (72°F)26°C (78°F)26°C (79°F)26°C (79°F)
Perceived temperature28°C (82°F)27°C (81°F)27°C (81°F)28°C (82°F)25°C (76°F)27°C (81°F)28°C (82°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%76%75%74%67%64%69%68%
Barometric pressure1014 hPa1013 hPa1013 hPa1015 hPa1015 hPa1013 hPa1014 hPa1016 hPa
Cloud cover57%51%43%36%15%87%40%56%
Heat index28°C (82°F)27°C (81°F)27°C (81°F)28°C (82°F)25°C (76°F)27°C (81°F)28°C (82°F)28°C (82°F)
Dew point21°C (69°F)21°C (70°F)21°C (69°F)21°C (69°F)16°C (60°F)18°C (65°F)20°C (68°F)20°C (67°F)
Wind
Speed7km/h (4mph)12km/h (8mph)9km/h (6mph)13km/h (8mph)12km/h (7mph)17km/h (10mph)12km/h (8mph)6km/h (4mph)
Gusts10km/h (6mph)16km/h (10mph)13km/h (8mph)17km/h (11mph)25km/h (16mph)24km/h (15mph)17km/h (11mph)9km/h (5mph)
Direction 252°
WSW
276°
W
232°
SW
260°
W
256°
WSW
272°
W
298°
WNW
314°
NW
Wind chill26°C (78°F)25°C (78°F)25°C (78°F)26°C (78°F)22°C (72°F)26°C (78°F)26°C (79°F)26°C (79°F)
Waves
Height1.1m (3.7ft)1.1m (3.7ft)1.1m (3.7ft)1.1m (3.6ft)1.0m (3.4ft)1.0m (3.1ft)0.9m (3.0ft)1.4m (4.7ft)
Direction 85°
E
84°
E
84°
E
80°
E
83°
E
83°
E
83°
E
34°
NNE
Period11.3 sec.11.2 sec.11.3 sec.11.6 sec.11.3 sec.11.1 sec.11.0 sec.10.4 sec.
Significant height0.3m (1ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)1.4m (4.6ft)1.3m (4.3ft)0.2m (0.7ft)
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 11.8mph km/h (with gusts up to 16.8mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)26°C (78°F)26°C (78°F)26°C (78°F)
Perceived temperature28°C (82°F)27°C (81°F)27°C (80°F)27°C (81°F)27°C (80°F)28°C (82°F)28°C (82°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity69%72%75%75%74%74%76%77%
Barometric pressure1015 hPa1015 hPa1015 hPa1017 hPa1017 hPa1016 hPa1016 hPa1017 hPa
Cloud cover70%73%57%40%35%59%71%66%
Heat index28°C (82°F)27°C (81°F)27°C (80°F)27°C (81°F)27°C (80°F)28°C (82°F)28°C (82°F)28°C (82°F)
Dew point20°C (68°F)20°C (68°F)20°C (69°F)20°C (69°F)20°C (68°F)21°C (69°F)21°C (70°F)21°C (70°F)
Wind
Speed5km/h (3mph)9km/h (6mph)10km/h (6mph)8km/h (5mph)7km/h (4mph)9km/h (6mph)14km/h (9mph)19km/h (12mph)
Gusts7km/h (4mph)13km/h (8mph)14km/h (9mph)11km/h (7mph)11km/h (7mph)13km/h (8mph)19km/h (12mph)27km/h (17mph)
Direction 326°
NW
347°
NNW

N
42°
NE
59°
ENE
60°
ENE
32°
NNE
32°
NNE
Wind chill26°C (79°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)26°C (78°F)26°C (78°F)26°C (78°F)
Waves
Height1.4m (4.6ft)1.3m (4.3ft)1.3m (4.2ft)1.2m (3.9ft)1.2m (3.9ft)1.3m (4.3ft)1.4m (4.6ft)1.5m (4.9ft)
Direction 34°
NNE
34°
NE
35°
NE
35°
NE
141°
SE
352°
N
349°
N
338°
NNW
Period10.2 sec.10.0 sec.9.9 sec.9.8 sec.9.7 sec.9.9 sec.10.8 sec.10.6 sec.
Significant height0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)0.8m (2.6ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)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)27°C (81°F)27°C (81°F)27°C (81°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 13.7mph km/h (with gusts up to 19.3mph). Wave height will be up to 5.2ft 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)25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)26°C (78°F)
Perceived temperature27°C (81°F)28°C (82°F)28°C (82°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%79%80%80%79%78%79%79%
Barometric pressure1017 hPa1016 hPa1017 hPa1019 hPa1019 hPa1017 hPa1017 hPa1018 hPa
Cloud cover68%81%88%86%78%63%38%44%
Heat index27°C (81°F)28°C (82°F)28°C (82°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)
Dew point21°C (70°F)21°C (71°F)22°C (71°F)21°C (71°F)21°C (70°F)21°C (70°F)21°C (71°F)22°C (71°F)
Wind
Speed19km/h (12mph)18km/h (11mph)18km/h (11mph)18km/h (11mph)17km/h (10mph)16km/h (10mph)18km/h (11mph)22km/h (13mph)
Gusts27km/h (17mph)25km/h (15mph)24km/h (15mph)24km/h (15mph)24km/h (15mph)22km/h (14mph)26km/h (16mph)31km/h (19mph)
Direction 47°
NE
53°
NE
49°
NE
56°
ENE
65°
ENE
59°
ENE
49°
NE
48°
NE
Wind chill25°C (78°F)25°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)26°C (78°F)
Waves
Height1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.5m (4.9ft)1.5m (4.9ft)1.4m (4.6ft)1.3m (4.3ft)
Direction 331°
NNW
328°
NNW
329°
NNW
328°
NNW
326°
NNW
327°
NNW
328°
NNW
330°
NNW
Period10.6 sec.10.7 sec.10.7 sec.10.5 sec.10.2 sec.10.0 sec.9.8 sec.9.6 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)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 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 17.4mph km/h (with gusts up to 23.6mph). 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 (77°F)25°C (78°F)25°C (78°F)25°C (77°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)27°C (81°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%80%79%78%78%78%77%77%
Barometric pressure1018 hPa1017 hPa1018 hPa1019 hPa1019 hPa1018 hPa1018 hPa1019 hPa
Cloud cover59%77%70%64%59%56%54%58%
Heat index28°C (82°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)
Dew point22°C (71°F)21°C (71°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (71°F)21°C (71°F)
Wind
Speed24km/h (15mph)26km/h (16mph)27km/h (17mph)27km/h (17mph)25km/h (16mph)23km/h (14mph)26km/h (16mph)28km/h (17mph)
Gusts35km/h (21mph)38km/h (24mph)36km/h (22mph)37km/h (23mph)37km/h (23mph)32km/h (20mph)35km/h (22mph)38km/h (24mph)
Direction 45°
NE
47°
NE
53°
NE
64°
ENE
68°
ENE
65°
ENE
65°
ENE
68°
ENE
Wind chill25°C (78°F)25°C (77°F)25°C (78°F)25°C (78°F)25°C (77°F)25°C (78°F)26°C (78°F)26°C (78°F)
Waves
Height1.3m (4.3ft)1.3m (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)
Direction 332°
NNW
333°
NNW
340°
NNW
352°
N
354°
N
238°
WSW

N
19°
NNE
Period9.2 sec.9.0 sec.8.9 sec.8.7 sec.8.3 sec.8.2 sec.8.1 sec.8.0 sec.
Significant height1.3m (4.3ft)1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)
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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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