Sea weather in Castries in Saint Lucia All the beach weather in Castries

All the essential weather information for enjoying the beach in Castries in Saint Lucia, 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 Castries over the next 7 days?

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

Date Outside temp. Our opinion
Thursday 29 January 202677°F to 79°Fdiscouraged
Friday 30 January 202677°F to 79°Fdiscouraged
Saturday 31 January 202674°F to 79°Fdiscouraged
Sunday 1 February 202679°F to 81°Fdiscouraged
Monday 2 February 202677°F to 79°Fdiscouraged
Tuesday 3 February 202679°F to 79°Fdiscouraged
Wednesday 4 February 202677°F to 79°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Castries

Sea weather on Thursday 29 January 2026

On Thursday 29 January 2026, the sun will rise at 06:32 and will set at 18:02 on the beach(es) of Castries. 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 16.8mph km/h (with gusts up to 23mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (78°F)26°C (78°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)27°C (81°F)28°C (82°F)28°C (83°F)28°C (82°F)28°C (82°F)28°C (83°F)28°C (83°F)
Precipitation0in0.1in0in0in0in0in0in0in
Humidity78%78%74%74%74%75%78%80%
Barometric pressure1016 hPa1014 hPa1015 hPa1017 hPa1015 hPa1013 hPa1013 hPa1015 hPa
Cloud cover34%42%37%56%30%27%46%55%
Heat index28°C (82°F)27°C (81°F)28°C (82°F)28°C (83°F)28°C (82°F)28°C (82°F)28°C (83°F)28°C (83°F)
Dew point22°C (71°F)21°C (70°F)21°C (69°F)21°C (70°F)21°C (69°F)21°C (70°F)22°C (71°F)22°C (72°F)
Wind
Speed22km/h (14mph)26km/h (16mph)23km/h (15mph)22km/h (14mph)20km/h (12mph)22km/h (13mph)26km/h (16mph)27km/h (17mph)
Gusts31km/h (19mph)37km/h (23mph)36km/h (23mph)30km/h (19mph)30km/h (19mph)31km/h (19mph)35km/h (22mph)37km/h (23mph)
Direction 91°
E
110°
ESE
108°
ESE
102°
ESE
93°
E
79°
ENE
82°
E
76°
ENE
Wind chill26°C (78°F)25°C (78°F)26°C (78°F)26°C (79°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (79°F)
Waves
Height1.3m (4.4ft)1.3m (4.3ft)1.3m (4.2ft)1.2m (4.0ft)1.2m (3.9ft)1.1m (3.7ft)1.1m (3.6ft)1.1m (3.6ft)
Direction 78°
ENE
78°
ENE
78°
ENE
78°
ENE
78°
ENE
79°
ENE
79°
ENE
79°
E
Period8.8 sec.12.6 sec.8.7 sec.8.7 sec.8.6 sec.10.3 sec.14.9 sec.17.8 sec.
Significant height0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.5m (1.6ft)0.6m (2ft)1.1m (3.6ft)0.7m (2.3ft)0.8m (2.6ft)
Sea water temperature
Water temperature25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)

Sea weather on Friday 30 January 2026

On Friday 30 January 2026, the sun will rise at 06:32 and will set at 18:03 on the beach(es) of Castries. The outside temperature will be a high of 79°F t and a low of 77°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 18.6mph km/h (with gusts up to 27.3mph). 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 (78°F)26°C (79°F)26°C (80°F)25°C (78°F)26°C (78°F)26°C (78°F)26°C (79°F)
Perceived temperature28°C (83°F)28°C (83°F)29°C (84°F)29°C (84°F)28°C (82°F)28°C (83°F)28°C (83°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0.1in0in
Humidity80%81%80%80%83%79%82%80%
Barometric pressure1015 hPa1013 hPa1014 hPa1016 hPa1015 hPa1013 hPa1014 hPa1015 hPa
Cloud cover62%69%73%64%52%49%45%65%
Heat index28°C (83°F)28°C (83°F)29°C (84°F)29°C (84°F)28°C (82°F)28°C (83°F)28°C (83°F)29°C (84°F)
Dew point22°C (72°F)22°C (72°F)22°C (72°F)23°C (73°F)22°C (72°F)22°C (71°F)22°C (72°F)22°C (72°F)
Wind
Speed29km/h (18mph)29km/h (18mph)30km/h (19mph)30km/h (18mph)28km/h (17mph)27km/h (17mph)28km/h (18mph)29km/h (18mph)
Gusts40km/h (25mph)40km/h (25mph)41km/h (25mph)41km/h (25mph)44km/h (27mph)41km/h (25mph)44km/h (27mph)44km/h (27mph)
Direction 84°
E
84°
E
85°
E
90°
E
90°
E
90°
E
84°
E
78°
ENE
Wind chill26°C (79°F)26°C (78°F)26°C (79°F)26°C (80°F)25°C (78°F)26°C (78°F)26°C (78°F)26°C (79°F)
Waves
Height1.2m (3.9ft)1.2m (4.1ft)1.2m (4.1ft)1.3m (4.2ft)1.3m (4.1ft)1.3m (4.2ft)1.3m (4.2ft)1.3m (4.3ft)
Direction 79°
E
80°
E
80°
E
80°
E
81°
E
81°
E
82°
E
83°
E
Period17.2 sec.16.7 sec.16.3 sec.15.7 sec.15.4 sec.15.0 sec.14.5 sec.12.3 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)

Sea weather on Saturday 31 January 2026

On Saturday 31 January 2026, the sun will rise at 06:31 and will set at 18:03 on the beach(es) of Castries. The outside temperature will be a high of 79°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 20.5mph km/h (with gusts up to 29.2mph). 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)26°C (79°F)26°C (78°F)26°C (79°F)23°C (73°F)26°C (79°F)26°C (79°F)26°C (79°F)
Perceived temperature29°C (84°F)29°C (84°F)28°C (83°F)29°C (84°F)25°C (77°F)29°C (84°F)29°C (84°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%83%82%80%79%79%80%80%
Barometric pressure1015 hPa1013 hPa1015 hPa1016 hPa1015 hPa1013 hPa1014 hPa1015 hPa
Cloud cover45%83%70%77%14%43%41%54%
Heat index29°C (84°F)29°C (84°F)28°C (83°F)29°C (84°F)25°C (77°F)29°C (84°F)29°C (84°F)29°C (84°F)
Dew point23°C (73°F)23°C (73°F)22°C (72°F)23°C (73°F)19°C (66°F)22°C (72°F)23°C (73°F)22°C (72°F)
Wind
Speed32km/h (20mph)33km/h (21mph)30km/h (18mph)31km/h (19mph)27km/h (17mph)32km/h (20mph)32km/h (20mph)33km/h (21mph)
Gusts45km/h (28mph)46km/h (28mph)41km/h (25mph)43km/h (26mph)30km/h (19mph)47km/h (29mph)45km/h (28mph)47km/h (29mph)
Direction 80°
E
91°
E
100°
E
99°
E
98°
E
101°
ESE
101°
E
94°
E
Wind chill26°C (79°F)26°C (79°F)26°C (78°F)26°C (79°F)23°C (73°F)26°C (79°F)26°C (79°F)26°C (79°F)
Waves
Height1.4m (4.5ft)1.4m (4.6ft)1.4m (4.7ft)1.4m (4.7ft)1.5m (4.8ft)1.4m (4.7ft)1.4m (4.7ft)1.4m (4.8ft)
Direction 84°
E
85°
E
87°
E
88°
E
90°
E
91°
E
92°
E
92°
E
Period13.9 sec.13.7 sec.13.5 sec.13.4 sec.15.7 sec.15.5 sec.15.1 sec.14.6 sec.
Significant height1.1m (3.6ft)1.0m (3.3ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)
Sea water temperature
Water temperature25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)

Sea weather on Sunday 1 February 2026

On Sunday 1 February 2026, the sun will rise at 06:31 and will set at 18:04 on the beach(es) of Castries. 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 29.2mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (79°F)26°C (78°F)26°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)
Perceived temperature28°C (83°F)28°C (83°F)28°C (82°F)29°C (84°F)28°C (83°F)29°C (84°F)29°C (84°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%81%82%79%75%77%78%80%
Barometric pressure1015 hPa1014 hPa1014 hPa1016 hPa1016 hPa1013 hPa1014 hPa1015 hPa
Cloud cover64%63%74%38%46%46%53%54%
Heat index28°C (83°F)28°C (83°F)28°C (82°F)29°C (84°F)28°C (83°F)29°C (84°F)29°C (84°F)28°C (83°F)
Dew point22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)21°C (70°F)22°C (71°F)22°C (72°F)22°C (72°F)
Wind
Speed32km/h (20mph)30km/h (19mph)31km/h (19mph)33km/h (21mph)31km/h (19mph)31km/h (19mph)30km/h (19mph)29km/h (18mph)
Gusts44km/h (28mph)41km/h (26mph)43km/h (27mph)45km/h (28mph)47km/h (29mph)45km/h (28mph)42km/h (26mph)42km/h (26mph)
Direction 98°
E
98°
E
107°
ESE
109°
ESE
108°
ESE
105°
ESE
101°
E
95°
E
Wind chill26°C (79°F)26°C (79°F)26°C (78°F)26°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)
Waves
Height1.5m (4.9ft)1.5m (5.1ft)1.5m (5.1ft)1.6m (5.3ft)1.5m (5.0ft)1.5m (4.8ft)1.5m (4.8ft)1.5m (4.8ft)
Direction 92°
E
93°
E
94°
E
94°
E
94°
E
93°
E
92°
E
92°
E
Period14.8 sec.15.1 sec.15.0 sec.13.8 sec.13.8 sec.14.1 sec.13.7 sec.13.6 sec.
Significant height1.2m (3.9ft)1.1m (3.6ft)1.2m (3.9ft)1.1m (3.6ft)0.9m (3ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)

Sea weather on Monday 2 February 2026

On Monday 2 February 2026, the sun will rise at 06:31 and will set at 18:04 on the beach(es) of Castries. The outside temperature will be a high of 79°F t and a low of 77°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 16.8mph km/h (with gusts up to 25.5mph). 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)26°C (78°F)26°C (78°F)26°C (79°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (79°F)
Perceived temperature28°C (83°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)
Precipitation0in0.1in0in0in0in0in0in0in
Humidity79%79%78%75%73%71%74%76%
Barometric pressure1016 hPa1015 hPa1015 hPa1017 hPa1017 hPa1015 hPa1015 hPa1017 hPa
Cloud cover56%38%50%36%22%30%42%49%
Heat index28°C (83°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 point22°C (71°F)22°C (71°F)21°C (71°F)21°C (70°F)21°C (69°F)21°C (69°F)21°C (70°F)21°C (71°F)
Wind
Speed27km/h (17mph)25km/h (15mph)27km/h (17mph)26km/h (16mph)23km/h (15mph)24km/h (15mph)25km/h (15mph)23km/h (15mph)
Gusts37km/h (23mph)34km/h (21mph)34km/h (21mph)41km/h (26mph)36km/h (23mph)36km/h (22mph)36km/h (22mph)33km/h (21mph)
Direction 92°
E
97°
E
103°
ESE
100°
E
97°
E
100°
E
98°
E
92°
E
Wind chill26°C (79°F)26°C (78°F)26°C (78°F)26°C (79°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (79°F)
Waves
Height1.5m (4.8ft)1.4m (4.8ft)1.5m (4.8ft)1.5m (4.9ft)1.5m (4.9ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)
Direction 92°
E
92°
E
92°
E
92°
E
91°
E
91°
E
90°
E
90°
E
Period13.5 sec.13.5 sec.14.4 sec.15.9 sec.16.8 sec.15.0 sec.13.3 sec.15.6 sec.
Significant height0.9m (3ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)
Sea water temperature
Water temperature25°C (78°F)25°C (78°F)25°C (78°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 3 February 2026

On Tuesday 3 February 2026, the sun will rise at 06:31 and will set at 18:05 on the beach(es) of Castries. 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 16.8mph km/h (with gusts up to 23.6mph). 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)26°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 (78°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 (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%78%77%75%75%74%75%75%
Barometric pressure1017 hPa1016 hPa1016 hPa1018 hPa1018 hPa1016 hPa1016 hPa1017 hPa
Cloud cover43%39%47%45%43%46%57%52%
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 (82°F)
Dew point21°C (71°F)21°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 (70°F)
Wind
Speed22km/h (14mph)23km/h (14mph)23km/h (15mph)24km/h (15mph)26km/h (16mph)25km/h (16mph)25km/h (15mph)27km/h (17mph)
Gusts31km/h (19mph)32km/h (20mph)32km/h (20mph)34km/h (21mph)38km/h (24mph)36km/h (22mph)35km/h (22mph)37km/h (23mph)
Direction 85°
E
81°
E
82°
E
85°
E
87°
E
84°
E
78°
ENE
71°
ENE
Wind chill26°C (78°F)26°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 (78°F)
Waves
Height1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)
Direction 91°
E
91°
E
91°
E
91°
E
90°
E
90°
E
89°
E
89°
E
Period15.2 sec.14.9 sec.14.9 sec.15.1 sec.13.4 sec.10.2 sec.8.4 sec.9.2 sec.
Significant height0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)1.1m (3.6ft)0.6m (2ft)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 on Wednesday 4 February 2026

On Wednesday 4 February 2026, the sun will rise at 06:31 and will set at 18:05 on the beach(es) of Castries. 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 19.3mph km/h (with gusts up to 26.7mph). 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)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)
Perceived temperature28°C (82°F)28°C (82°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)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%73%72%71%65%65%69%76%
Barometric pressure1017 hPa1015 hPa1016 hPa1017 hPa1017 hPa1015 hPa1016 hPa1017 hPa
Cloud cover47%55%71%50%34%23%34%64%
Heat index28°C (82°F)28°C (82°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)
Dew point21°C (69°F)20°C (69°F)20°C (68°F)20°C (68°F)19°C (66°F)19°C (66°F)20°C (67°F)21°C (69°F)
Wind
Speed28km/h (18mph)30km/h (19mph)31km/h (19mph)31km/h (19mph)29km/h (18mph)26km/h (16mph)24km/h (15mph)25km/h (15mph)
Gusts40km/h (25mph)41km/h (25mph)42km/h (26mph)43km/h (27mph)43km/h (27mph)38km/h (24mph)34km/h (21mph)35km/h (22mph)
Direction 71°
ENE
73°
ENE
73°
ENE
75°
ENE
76°
ENE
78°
ENE
74°
ENE
68°
ENE
Wind chill26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)
Waves
Height1.3m (4.3ft)1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)
Direction 88°
E
87°
E
86°
E
86°
E
85°
E
85°
E
84°
E
84°
E
Period10.9 sec.10.7 sec.10.6 sec.10.4 sec.9.7 sec.9.1 sec.10.3 sec.10.4 sec.
Significant height1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)0.8m (2.6ft)1.1m (3.6ft)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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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