Sea weather in Grand Cul-de-Sac in Saint-Barthelemy All the beach weather in Grand Cul-de-Sac

All the essential weather information for enjoying the beach in Grand Cul-de-Sac 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 Grand Cul-de-Sac over the next 7 days?

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

Date Outside temp. Our opinion
Wednesday 3 June 202672°F to 81°Fdiscouraged
Thursday 4 June 202679°F to 81°Fdiscouraged
Friday 5 June 202679°F to 81°Fdiscouraged
Saturday 6 June 202679°F to 81°Fdiscouraged
Sunday 7 June 202679°F to 79°Fdiscouraged
Monday 8 June 202677°F to 81°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Grand Cul-de-Sac

Sea weather on Wednesday 3 June 2026

On Wednesday 3 June 2026, the sun will rise at 05:36 and will set at 18:44 on the beach(es) of Grand Cul-de-Sac. 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 19.3mph km/h (with gusts up to 26.7mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (79°F)26°C (80°F)27°C (80°F)23°C (74°F)27°C (80°F)26°C (78°F)27°C (80°F)
Perceived temperature29°C (84°F)29°C (84°F)29°C (84°F)29°C (85°F)25°C (77°F)29°C (84°F)28°C (82°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%77%77%78%76%77%77%79%
Barometric pressure1017 hPa1016 hPa1017 hPa1018 hPa1018 hPa1017 hPa1017 hPa1018 hPa
Cloud cover49%65%39%23%6%29%15%14%
Heat index29°C (84°F)29°C (84°F)29°C (84°F)29°C (85°F)25°C (77°F)29°C (84°F)28°C (82°F)29°C (85°F)
Dew point22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)19°C (66°F)22°C (72°F)21°C (70°F)23°C (73°F)
Wind
Speed31km/h (19mph)31km/h (19mph)30km/h (19mph)30km/h (18mph)27km/h (17mph)24km/h (15mph)26km/h (16mph)27km/h (17mph)
Gusts43km/h (27mph)42km/h (26mph)41km/h (26mph)41km/h (25mph)28km/h (17mph)35km/h (22mph)43km/h (27mph)38km/h (24mph)
Direction 93°
E
96°
E
104°
ESE
109°
ESE
116°
ESE
116°
ESE
109°
ESE
106°
ESE
Wind chill26°C (79°F)26°C (79°F)26°C (80°F)27°C (80°F)23°C (74°F)27°C (80°F)26°C (78°F)27°C (80°F)
Waves
Height1.2m (3.9ft)1.2m (3.8ft)1.1m (3.8ft)1.1m (3.6ft)1.1m (3.7ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.5ft)
Direction 98°
E
97°
E
97°
E
102°
ESE
101°
E
100°
E
99°
E
103°
ESE
Period11.1 sec.11.5 sec.10.8 sec.10.9 sec.9.0 sec.10.2 sec.9.6 sec.7.1 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)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 Thursday 4 June 2026

On Thursday 4 June 2026, the sun will rise at 05:36 and will set at 18:45 on the beach(es) of Grand Cul-de-Sac. 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 19.3mph km/h (with gusts up to 29.2mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (80°F)26°C (79°F)26°C (80°F)27°C (80°F)26°C (79°F)26°C (80°F)27°C (80°F)27°C (80°F)
Perceived temperature29°C (84°F)28°C (83°F)29°C (84°F)29°C (85°F)28°C (83°F)29°C (84°F)30°C (85°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%77%77%79%77%77%80%78%
Barometric pressure1018 hPa1017 hPa1018 hPa1018 hPa1018 hPa1017 hPa1017 hPa1018 hPa
Cloud cover60%28%50%20%41%50%19%11%
Heat index29°C (84°F)28°C (83°F)29°C (84°F)29°C (85°F)28°C (83°F)29°C (84°F)30°C (85°F)29°C (85°F)
Dew point22°C (72°F)22°C (71°F)22°C (72°F)23°C (73°F)22°C (71°F)22°C (72°F)23°C (73°F)23°C (73°F)
Wind
Speed30km/h (18mph)27km/h (17mph)29km/h (18mph)28km/h (17mph)31km/h (19mph)29km/h (18mph)27km/h (17mph)28km/h (18mph)
Gusts40km/h (25mph)38km/h (24mph)42km/h (26mph)38km/h (24mph)47km/h (29mph)42km/h (26mph)39km/h (24mph)41km/h (25mph)
Direction 110°
ESE
121°
ESE
119°
ESE
116°
ESE
111°
ESE
111°
ESE
103°
ESE
104°
ESE
Wind chill26°C (80°F)26°C (79°F)26°C (80°F)27°C (80°F)26°C (79°F)26°C (80°F)27°C (80°F)27°C (80°F)
Waves
Height1.1m (3.7ft)1.2m (3.8ft)1.2m (4.0ft)1.2m (3.8ft)1.2m (3.8ft)1.2m (3.8ft)1.2m (3.8ft)1.2m (3.9ft)
Direction 103°
ESE
102°
ESE
112°
ESE
101°
E
111°
ESE
108°
ESE
108°
ESE
108°
ESE
Period7.1 sec.8.7 sec.8.8 sec.8.9 sec.8.9 sec.8.8 sec.7.2 sec.8.9 sec.
Significant height1.0m (3.3ft)1.1m (3.6ft)1.1m (3.6ft)1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)1.2m (3.9ft)
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 5 June 2026

On Friday 5 June 2026, the sun will rise at 05:36 and will set at 18:45 on the beach(es) of Grand Cul-de-Sac. 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 18.6mph km/h (with gusts up to 28mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (79°F)26°C (79°F)26°C (80°F)26°C (79°F)26°C (80°F)26°C (78°F)26°C (80°F)
Perceived temperature29°C (85°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (83°F)29°C (84°F)28°C (83°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%79%79%79%79%78%82%82%
Barometric pressure1018 hPa1017 hPa1017 hPa1018 hPa1018 hPa1017 hPa1017 hPa1017 hPa
Cloud cover7%59%64%67%62%40%11%44%
Heat index29°C (85°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (83°F)29°C (84°F)28°C (83°F)29°C (85°F)
Dew point23°C (73°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)23°C (74°F)
Wind
Speed29km/h (18mph)28km/h (17mph)28km/h (17mph)30km/h (19mph)30km/h (19mph)27km/h (17mph)27km/h (17mph)30km/h (19mph)
Gusts38km/h (24mph)39km/h (24mph)38km/h (23mph)41km/h (25mph)45km/h (28mph)39km/h (24mph)44km/h (27mph)42km/h (26mph)
Direction 104°
ESE
104°
ESE
101°
E
97°
E
101°
E
101°
E
90°
E
85°
E
Wind chill27°C (80°F)26°C (79°F)26°C (79°F)26°C (80°F)26°C (79°F)26°C (80°F)26°C (78°F)26°C (80°F)
Waves
Height1.1m (3.7ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.8ft)1.1m (3.7ft)1.1m (3.6ft)1.2m (3.8ft)
Direction 108°
ESE
109°
ESE
106°
ESE
107°
ESE
98°
E
94°
E
95°
E
96°
E
Period8.8 sec.7.4 sec.7.2 sec.7.3 sec.7.2 sec.7.1 sec.7.0 sec.10.0 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)
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 Saturday 6 June 2026

On Saturday 6 June 2026, the sun will rise at 05:36 and will set at 18:45 on the beach(es) of Grand Cul-de-Sac. 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 19.3mph km/h (with gusts up to 27.3mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (80°F)26°C (80°F)26°C (80°F)27°C (80°F)26°C (79°F)26°C (80°F)26°C (80°F)26°C (80°F)
Perceived temperature29°C (85°F)29°C (84°F)29°C (84°F)29°C (85°F)29°C (84°F)29°C (84°F)29°C (85°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0.1in
Humidity81%79%79%79%80%78%80%82%
Barometric pressure1017 hPa1016 hPa1016 hPa1017 hPa1017 hPa1016 hPa1016 hPa1017 hPa
Cloud cover40%66%63%62%40%52%22%36%
Heat index29°C (85°F)29°C (84°F)29°C (84°F)29°C (85°F)29°C (84°F)29°C (84°F)29°C (85°F)29°C (85°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (74°F)
Wind
Speed30km/h (19mph)31km/h (19mph)30km/h (19mph)30km/h (18mph)29km/h (18mph)28km/h (18mph)28km/h (17mph)30km/h (19mph)
Gusts41km/h (26mph)41km/h (26mph)42km/h (26mph)40km/h (25mph)44km/h (27mph)42km/h (26mph)40km/h (25mph)42km/h (26mph)
Direction 89°
E
97°
E
97°
E
97°
E
92°
E
94°
E
93°
E
86°
E
Wind chill26°C (80°F)26°C (80°F)26°C (80°F)27°C (80°F)26°C (79°F)26°C (80°F)26°C (80°F)26°C (80°F)
Waves
Height1.2m (3.8ft)1.1m (3.7ft)1.2m (3.8ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (4.0ft)
Direction 99°
E
95°
E
96°
E
95°
E
95°
E
95°
E
95°
E
94°
E
Period10.6 sec.9.3 sec.9.1 sec.10.0 sec.10.2 sec.10.1 sec.8.4 sec.8.2 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)
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 Sunday 7 June 2026

On Sunday 7 June 2026, the sun will rise at 05:36 and will set at 18:46 on the beach(es) of Grand Cul-de-Sac. 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 20.5mph km/h (with gusts up to 29.2mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (80°F)26°C (80°F)26°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (80°F)26°C (79°F)
Perceived temperature29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (83°F)29°C (84°F)29°C (85°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%78%78%79%81%82%82%81%
Barometric pressure1017 hPa1015 hPa1016 hPa1017 hPa1017 hPa1016 hPa1016 hPa1018 hPa
Cloud cover46%37%64%45%31%37%45%64%
Heat index29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (83°F)29°C (84°F)29°C (85°F)29°C (85°F)
Dew point22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)
Wind
Speed32km/h (20mph)31km/h (19mph)33km/h (21mph)32km/h (20mph)32km/h (20mph)31km/h (19mph)32km/h (20mph)33km/h (21mph)
Gusts44km/h (27mph)43km/h (27mph)45km/h (28mph)42km/h (26mph)40km/h (25mph)45km/h (28mph)44km/h (28mph)47km/h (29mph)
Direction 89°
E
91°
E
95°
E
93°
E
90°
E
84°
E
81°
E
87°
E
Wind chill26°C (80°F)26°C (80°F)26°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (80°F)26°C (79°F)
Waves
Height1.3m (4.1ft)1.3m (4.2ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)
Direction 95°
E
95°
E
94°
E
94°
E
93°
E
92°
E
92°
E
93°
E
Period8.0 sec.8.4 sec.8.6 sec.8.3 sec.8.1 sec.7.9 sec.7.8 sec.7.7 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)
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 Monday 8 June 2026

On Monday 8 June 2026, the sun will rise at 05:36 and will set at 18:46 on the beach(es) of Grand Cul-de-Sac. 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 29.2mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (80°F)27°C (80°F)26°C (80°F)26°C (79°F)26°C (79°F)26°C (78°F)27°C (80°F)
Perceived temperature29°C (84°F)29°C (84°F)29°C (85°F)29°C (84°F)28°C (83°F)28°C (83°F)28°C (82°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%79%78%76%76%76%79%79%
Barometric pressure1018 hPa1017 hPa1017 hPa1019 hPa1019 hPa1018 hPa1018 hPa1019 hPa
Cloud cover33%47%67%53%41%42%9%10%
Heat index29°C (84°F)29°C (84°F)29°C (85°F)29°C (84°F)28°C (83°F)28°C (83°F)28°C (82°F)29°C (85°F)
Dew point23°C (73°F)22°C (72°F)22°C (72°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)23°C (73°F)
Wind
Speed33km/h (20mph)35km/h (21mph)32km/h (20mph)31km/h (19mph)30km/h (19mph)28km/h (17mph)28km/h (18mph)29km/h (18mph)
Gusts46km/h (29mph)47km/h (29mph)44km/h (27mph)44km/h (28mph)46km/h (29mph)39km/h (24mph)36km/h (22mph)40km/h (25mph)
Direction 91°
E
87°
E
84°
E
86°
E
87°
E
87°
E
86°
E
90°
E
Wind chill26°C (79°F)26°C (80°F)27°C (80°F)26°C (80°F)26°C (79°F)26°C (79°F)26°C (78°F)27°C (80°F)
Waves
Height1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)
Direction 94°
E
94°
E
94°
E
94°
E
93°
E
93°
E
96°
E
99°
E
Period7.5 sec.7.4 sec.7.4 sec.7.4 sec.7.4 sec.7.4 sec.7.4 sec.7.4 sec.
Significant height1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (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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