Sea weather in San Juan in Puerto Rico All the beach weather in San Juan

All the essential weather information for enjoying the beach in San Juan in Puerto Rico, 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 San Juan over the next 7 days?

Discover the best moment to go to the beach in San Juan in Puerto Rico this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in San Juan. 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 202674°F to 86°Fdiscouraged
Thursday 4 June 202674°F to 86°Fdiscouraged
Friday 5 June 202674°F to 86°Fdiscouraged
Saturday 6 June 202676°F to 86°Fdiscouraged
Sunday 7 June 202676°F to 85°Fdiscouraged
Monday 8 June 202676°F to 85°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in San Juan

Sea weather on Wednesday 3 June 2026

On Wednesday 3 June 2026, the sun will rise at 05:47 and will set at 18:58 on the beach(es) of San Juan. The outside temperature will be a high of 86°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 14.9mph km/h (with gusts up to 17.4mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)25°C (76°F)23°C (73°F)27°C (81°F)29°C (85°F)30°C (85°F)27°C (81°F)24°C (75°F)
Perceived temperature25°C (78°F)26°C (79°F)25°C (77°F)29°C (85°F)31°C (88°F)32°C (89°F)29°C (84°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%72%82%66%55%56%67%83%
Barometric pressure1017 hPa1016 hPa1017 hPa1018 hPa1017 hPa1015 hPa1016 hPa1017 hPa
Cloud cover78%87%52%80%88%77%76%38%
Heat index25°C (78°F)26°C (79°F)25°C (77°F)29°C (85°F)31°C (88°F)32°C (89°F)29°C (84°F)26°C (79°F)
Dew point20°C (68°F)19°C (67°F)20°C (67°F)20°C (69°F)19°C (67°F)20°C (67°F)20°C (69°F)21°C (70°F)
Wind
Speed13km/h (8mph)14km/h (9mph)12km/h (7mph)18km/h (11mph)23km/h (15mph)24km/h (15mph)21km/h (13mph)11km/h (7mph)
Gusts22km/h (14mph)22km/h (13mph)20km/h (13mph)20km/h (13mph)27km/h (17mph)28km/h (17mph)28km/h (17mph)18km/h (11mph)
Direction 116°
ESE
110°
ESE
115°
ESE
104°
ESE
100°
E
107°
ESE
114°
ESE
129°
SE
Wind chill23°C (74°F)25°C (76°F)23°C (73°F)27°C (81°F)29°C (85°F)30°C (85°F)27°C (81°F)24°C (75°F)
Waves
Height1.0m (3.1ft)1.0m (3.2ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)1.1m (3.7ft)1.1m (3.5ft)0.9m (3.0ft)
Direction 358°
N
358°
N
358°
N
359°
N
360°
N

N

N

N
Period11.6 sec.11.0 sec.10.9 sec.10.5 sec.10.3 sec.10.2 sec.10.1 sec.7.6 sec.
Significant height1.1m (3.6ft)0.8m (2.6ft)0.8m (2.6ft)1.2m (3.9ft)1.3m (4.3ft)1.3m (4.3ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water 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)26°C (78°F)

Sea weather on Thursday 4 June 2026

On Thursday 4 June 2026, the sun will rise at 05:47 and will set at 18:59 on the beach(es) of San Juan. The outside temperature will be a high of 86°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 14.9mph km/h (with gusts up to 19.9mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (73°F)23°C (73°F)28°C (82°F)27°C (80°F)30°C (86°F)27°C (80°F)24°C (75°F)
Perceived temperature26°C (78°F)25°C (77°F)25°C (77°F)29°C (84°F)27°C (81°F)32°C (90°F)28°C (82°F)26°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%86%84%58%50%54%63%81%
Barometric pressure1018 hPa1017 hPa1017 hPa1018 hPa1017 hPa1015 hPa1016 hPa1018 hPa
Cloud cover86%81%44%2%75%81%79%12%
Heat index26°C (78°F)25°C (77°F)25°C (77°F)29°C (84°F)27°C (81°F)32°C (90°F)28°C (82°F)26°C (78°F)
Dew point21°C (69°F)20°C (69°F)20°C (68°F)19°C (66°F)15°C (60°F)20°C (68°F)19°C (66°F)20°C (69°F)
Wind
Speed8km/h (5mph)8km/h (5mph)7km/h (4mph)14km/h (9mph)19km/h (12mph)24km/h (15mph)21km/h (13mph)11km/h (7mph)
Gusts14km/h (9mph)14km/h (9mph)12km/h (8mph)16km/h (10mph)21km/h (13mph)28km/h (17mph)32km/h (20mph)18km/h (11mph)
Direction 141°
SE
153°
SSE
149°
SSE
117°
ESE
97°
E
114°
ESE
134°
SE
145°
SE
Wind chill23°C (74°F)23°C (73°F)23°C (73°F)28°C (82°F)27°C (80°F)30°C (86°F)27°C (80°F)24°C (75°F)
Waves
Height0.8m (2.8ft)0.8m (2.7ft)0.8m (2.8ft)0.8m (2.8ft)0.8m (2.8ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (2.9ft)
Direction
N
12°
NNE
16°
NNE
21°
NNE
26°
NNE
30°
NNE
35°
NE
24°
NNE
Period9.8 sec.9.7 sec.7.4 sec.5.3 sec.9.4 sec.10.1 sec.9.1 sec.5.1 sec.
Significant height0.3m (1ft)0.3m (1ft)0.6m (2ft)0.4m (1.3ft)0.9m (3ft)1.1m (3.6ft)1.0m (3.3ft)0.4m (1.3ft)
Sea water temperature
Water 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 (82°F)28°C (82°F)

Sea weather on Friday 5 June 2026

On Friday 5 June 2026, the sun will rise at 05:47 and will set at 18:59 on the beach(es) of San Juan. The outside temperature will be a high of 86°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 14.9mph km/h (with gusts up to 24.2mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)23°C (74°F)24°C (75°F)27°C (81°F)30°C (85°F)28°C (83°F)27°C (80°F)24°C (76°F)
Perceived temperature25°C (77°F)25°C (78°F)26°C (78°F)29°C (85°F)32°C (89°F)29°C (84°F)29°C (83°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%85%82%63%56%50%64%83%
Barometric pressure1018 hPa1017 hPa1017 hPa1017 hPa1017 hPa1015 hPa1016 hPa1018 hPa
Cloud cover50%60%50%85%74%10%1%33%
Heat index25°C (77°F)25°C (78°F)26°C (78°F)29°C (85°F)32°C (89°F)29°C (84°F)29°C (83°F)26°C (79°F)
Dew point21°C (69°F)21°C (69°F)20°C (69°F)20°C (68°F)20°C (68°F)17°C (63°F)20°C (67°F)21°C (70°F)
Wind
Speed8km/h (5mph)9km/h (6mph)11km/h (7mph)15km/h (10mph)20km/h (13mph)24km/h (15mph)22km/h (13mph)14km/h (9mph)
Gusts14km/h (9mph)15km/h (9mph)17km/h (10mph)18km/h (11mph)23km/h (14mph)39km/h (24mph)33km/h (21mph)22km/h (14mph)
Direction 149°
SSE
128°
SE
125°
SE
110°
ESE
107°
ESE
105°
ESE
108°
ESE
113°
ESE
Wind chill23°C (73°F)23°C (74°F)24°C (75°F)27°C (81°F)30°C (85°F)28°C (83°F)27°C (80°F)24°C (76°F)
Waves
Height0.8m (2.7ft)0.8m (2.6ft)0.8m (2.5ft)0.8m (2.6ft)0.9m (3.0ft)1.1m (3.5ft)1.0m (3.3ft)0.8m (2.8ft)
Direction 27°
NNE
28°
NNE
16°
NNE

N
16°
NNE
11°
N
11°
N
14°
NNE
Period5.2 sec.5.1 sec.7.8 sec.5.2 sec.10.5 sec.10.5 sec.10.3 sec.4.9 sec.
Significant height0.3m (1ft)0.2m (0.7ft)0.5m (1.6ft)0.4m (1.3ft)0.9m (3ft)1.1m (3.6ft)0.9m (3ft)0.6m (2ft)
Sea water temperature
Water 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)26°C (78°F)

Sea weather on Saturday 6 June 2026

On Saturday 6 June 2026, the sun will rise at 05:47 and will set at 18:59 on the beach(es) of San Juan. The outside temperature will be a high of 86°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 16.2mph 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 temperature24°C (75°F)24°C (75°F)24°C (75°F)28°C (82°F)29°C (85°F)28°C (82°F)27°C (81°F)24°C (76°F)
Perceived temperature26°C (79°F)26°C (78°F)26°C (78°F)30°C (86°F)31°C (89°F)29°C (84°F)29°C (85°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%85%85%66%56%57%70%85%
Barometric pressure1017 hPa1016 hPa1016 hPa1017 hPa1016 hPa1015 hPa1015 hPa1017 hPa
Cloud cover87%76%74%83%25%12%78%55%
Heat index26°C (79°F)26°C (78°F)26°C (78°F)30°C (86°F)31°C (89°F)29°C (84°F)29°C (85°F)26°C (79°F)
Dew point21°C (70°F)21°C (70°F)21°C (70°F)21°C (69°F)20°C (68°F)18°C (65°F)21°C (70°F)22°C (71°F)
Wind
Speed11km/h (7mph)10km/h (6mph)10km/h (6mph)17km/h (10mph)24km/h (15mph)26km/h (16mph)21km/h (13mph)14km/h (9mph)
Gusts18km/h (11mph)17km/h (11mph)17km/h (10mph)19km/h (12mph)28km/h (17mph)43km/h (27mph)28km/h (17mph)24km/h (15mph)
Direction 120°
ESE
125°
SE
119°
ESE
103°
ESE
88°
E
97°
E
98°
E
102°
ESE
Wind chill24°C (75°F)24°C (75°F)24°C (75°F)28°C (82°F)29°C (85°F)28°C (82°F)27°C (81°F)24°C (76°F)
Waves
Height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.8ft)1.0m (3.2ft)1.2m (3.8ft)1.1m (3.5ft)0.9m (3.1ft)
Direction 16°
NNE
20°
NNE
24°
NNE
25°
NNE
22°
NNE
71°
ENE
20°
NNE
22°
NNE
Period5.1 sec.5.2 sec.5.2 sec.8.4 sec.8.4 sec.8.9 sec.8.2 sec.6.8 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.9m (3ft)1.1m (3.6ft)0.9m (3ft)0.6m (2ft)
Sea water temperature
Water 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)26°C (78°F)

Sea weather on Sunday 7 June 2026

On Sunday 7 June 2026, the sun will rise at 05:47 and will set at 19:00 on the beach(es) of San Juan. The outside temperature will be a high of 85°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 14.9mph km/h (with gusts up to 18mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (76°F)25°C (76°F)26°C (80°F)28°C (82°F)29°C (83°F)27°C (80°F)24°C (76°F)
Perceived temperature26°C (79°F)26°C (79°F)27°C (80°F)29°C (83°F)30°C (86°F)31°C (87°F)29°C (84°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%83%82%73%64%62%72%83%
Barometric pressure1017 hPa1015 hPa1016 hPa1017 hPa1017 hPa1016 hPa1016 hPa1018 hPa
Cloud cover56%78%64%64%38%37%50%69%
Heat index26°C (79°F)26°C (79°F)27°C (80°F)29°C (83°F)30°C (86°F)31°C (87°F)29°C (84°F)27°C (80°F)
Dew point22°C (71°F)21°C (70°F)21°C (71°F)21°C (70°F)21°C (69°F)21°C (69°F)21°C (70°F)21°C (70°F)
Wind
Speed13km/h (8mph)10km/h (6mph)14km/h (9mph)20km/h (12mph)23km/h (14mph)24km/h (15mph)21km/h (13mph)15km/h (10mph)
Gusts21km/h (13mph)15km/h (9mph)21km/h (13mph)26km/h (16mph)28km/h (17mph)29km/h (18mph)27km/h (17mph)24km/h (15mph)
Direction 115°
ESE
116°
ESE
107°
ESE
100°
E
97°
E
94°
E
97°
E
105°
ESE
Wind chill24°C (75°F)24°C (76°F)25°C (76°F)26°C (80°F)28°C (82°F)29°C (83°F)27°C (80°F)24°C (76°F)
Waves
Height0.9m (3.0ft)0.9m (3.1ft)1.0m (3.3ft)1.1m (3.6ft)1.2m (3.9ft)1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)
Direction 21°
NNE
21°
NNE
34°
NE
53°
NE
68°
ENE
68°
ENE
67°
ENE
65°
ENE
Period6.2 sec.5.5 sec.6.4 sec.7.8 sec.8.7 sec.8.5 sec.8.3 sec.8.0 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)0.9m (3ft)1.1m (3.6ft)1.2m (3.9ft)1.0m (3.3ft)0.8m (2.6ft)
Sea water temperature
Water 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 (82°F)28°C (82°F)

Sea weather on Monday 8 June 2026

On Monday 8 June 2026, the sun will rise at 05:48 and will set at 19:00 on the beach(es) of San Juan. The outside temperature will be a high of 85°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 16.8mph km/h (with gusts up to 19.9mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (75°F)25°C (76°F)26°C (79°F)27°C (80°F)29°C (84°F)27°C (80°F)25°C (77°F)
Perceived temperature26°C (79°F)26°C (79°F)27°C (80°F)28°C (82°F)28°C (83°F)31°C (88°F)29°C (84°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%86%82%67%60%61%68%73%
Barometric pressure1018 hPa1017 hPa1017 hPa1018 hPa1018 hPa1018 hPa1018 hPa1019 hPa
Cloud cover74%66%55%26%19%27%37%71%
Heat index26°C (79°F)26°C (79°F)27°C (80°F)28°C (82°F)28°C (83°F)31°C (88°F)29°C (84°F)27°C (80°F)
Dew point21°C (70°F)21°C (70°F)21°C (70°F)19°C (67°F)18°C (64°F)21°C (69°F)20°C (69°F)20°C (68°F)
Wind
Speed13km/h (8mph)12km/h (7mph)12km/h (8mph)18km/h (11mph)26km/h (16mph)27km/h (17mph)23km/h (14mph)17km/h (11mph)
Gusts21km/h (13mph)18km/h (11mph)17km/h (11mph)23km/h (14mph)32km/h (20mph)32km/h (20mph)30km/h (19mph)26km/h (16mph)
Direction 113°
ESE
117°
ESE
118°
ESE
102°
ESE
90°
E
87°
E
92°
E
103°
ESE
Wind chill24°C (75°F)24°C (75°F)25°C (76°F)26°C (79°F)27°C (80°F)29°C (84°F)27°C (80°F)25°C (77°F)
Waves
Height1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)
Direction 66°
ENE
66°
ENE
64°
ENE
65°
ENE
67°
ENE
66°
ENE
65°
ENE
62°
ENE
Period7.9 sec.7.6 sec.7.2 sec.7.5 sec.7.4 sec.7.4 sec.7.5 sec.7.7 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.7m (2.3ft)
Sea water temperature
Water 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 (82°F)28°C (82°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

Change units