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
Saturday 26 April 202574°F to 81°Frecommended
Sunday 27 April 202572°F to 81°Frecommended
Monday 28 April 202572°F to 81°Frecommended
Tuesday 29 April 202574°F to 79°Frecommended
Wednesday 30 April 202574°F to 79°Frecommended
Thursday 1 May 202572°F to 77°Frecommended
Friday 2 May 202572°F to 77°Frecommended

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

Sea weather on Saturday 26 April 2025

On Saturday 26 April 2025, the sun will rise at 06:00 and will set at 18:45 on the beach(es) of San Juan. The outside temperature will be a high of 81°F t and a low of 74°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 7.5mph km/h (with gusts up to 9.3mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)23°C (74°F)23°C (73°F)27°C (80°F)27°C (80°F)27°C (80°F)25°C (77°F)23°C (74°F)
Perceived temperature26°C (79°F)25°C (78°F)25°C (77°F)29°C (84°F)29°C (84°F)29°C (84°F)27°C (81°F)25°C (78°F)
Precipitation0in0in0in0in0.1in0in0.1in0in
Humidity87%89%90%72%73%73%83%89%
Barometric pressure1014 hPa1012 hPa1013 hPa1014 hPa1014 hPa1012 hPa1013 hPa1015 hPa
Cloud cover64%51%59%58%70%82%84%85%
Heat index26°C (79°F)25°C (78°F)25°C (77°F)29°C (84°F)29°C (84°F)29°C (84°F)27°C (81°F)25°C (78°F)
Dew point22°C (71°F)21°C (70°F)21°C (69°F)21°C (70°F)21°C (70°F)21°C (71°F)22°C (71°F)21°C (70°F)
Wind
Speed9km/h (6mph)8km/h (5mph)6km/h (4mph)10km/h (6mph)12km/h (7mph)11km/h (7mph)9km/h (6mph)8km/h (5mph)
Gusts14km/h (9mph)14km/h (8mph)10km/h (7mph)12km/h (7mph)15km/h (10mph)14km/h (9mph)14km/h (9mph)15km/h (9mph)
Direction 76°
ENE
85°
E
104°
ESE
73°
ENE
76°
ENE
62°
ENE
78°
ENE
99°
E
Wind chill24°C (75°F)23°C (74°F)23°C (73°F)27°C (80°F)27°C (80°F)27°C (80°F)25°C (77°F)23°C (74°F)
Waves
Height1.0m (3.1ft)1.0m (3.2ft)1.0m (3.2ft)1.0m (3.2ft)1.0m (3.3ft)1.0m (3.4ft)1.0m (3.4ft)1.0m (3.4ft)
Direction 25°
NNE
20°
NNE
24°
NNE
27°
NNE
27°
NNE
24°
NNE
22°
NNE
23°
NNE
Period7.5 sec.7.5 sec.7.5 sec.7.5 sec.7.6 sec.7.6 sec.7.5 sec.7.4 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)1.1m (3.6ft)1.2m (3.9ft)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 27 April 2025

On Sunday 27 April 2025, the sun will rise at 05:59 and will set at 18:45 on the beach(es) of San Juan. The outside temperature will be a high of 81°F t and a low of 72°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 5mph km/h (with gusts up to 7.5mph). 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)22°C (72°F)22°C (72°F)26°C (79°F)27°C (80°F)27°C (81°F)24°C (76°F)23°C (73°F)
Perceived temperature25°C (78°F)25°C (76°F)25°C (76°F)28°C (82°F)29°C (84°F)29°C (85°F)26°C (79°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%89%89%75%71%70%83%91%
Barometric pressure1014 hPa1013 hPa1014 hPa1015 hPa1015 hPa1013 hPa1014 hPa1016 hPa
Cloud cover46%81%81%63%75%57%76%62%
Heat index25°C (78°F)25°C (76°F)25°C (76°F)28°C (82°F)29°C (84°F)29°C (85°F)26°C (79°F)25°C (77°F)
Dew point21°C (70°F)20°C (69°F)20°C (68°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)
Wind
Speed6km/h (4mph)7km/h (4mph)6km/h (4mph)8km/h (5mph)8km/h (5mph)5km/h (3mph)0km/h (0mph)4km/h (2mph)
Gusts11km/h (7mph)12km/h (8mph)11km/h (7mph)10km/h (6mph)12km/h (7mph)8km/h (5mph)1km/h (0mph)6km/h (4mph)
Direction 119°
ESE
151°
SSE
173°
S
146°
SSE
105°
ESE
124°
SE
25°
NNE
183°
S
Wind chill23°C (74°F)22°C (72°F)22°C (72°F)26°C (79°F)27°C (80°F)27°C (81°F)24°C (76°F)23°C (73°F)
Waves
Height1.0m (3.4ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.2ft)1.0m (3.2ft)1.0m (3.2ft)1.0m (3.2ft)0.9m (3.1ft)
Direction 23°
NNE
23°
NNE
23°
NNE
23°
NNE
23°
NNE
23°
NNE
23°
NNE
23°
NNE
Period7.4 sec.7.4 sec.7.4 sec.7.4 sec.10.1 sec.10.0 sec.12.7 sec.12.6 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
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 Monday 28 April 2025

On Monday 28 April 2025, the sun will rise at 05:59 and will set at 18:45 on the beach(es) of San Juan. The outside temperature will be a high of 81°F t and a low of 72°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 6.8mph km/h (with gusts up to 10.6mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)23°C (73°F)22°C (72°F)26°C (78°F)26°C (80°F)27°C (80°F)25°C (77°F)23°C (74°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (76°F)28°C (83°F)29°C (84°F)29°C (84°F)27°C (81°F)25°C (78°F)
Precipitation0in0in0in0in0.1in0.1in0.1in0in
Humidity91%91%92%79%74%74%84%88%
Barometric pressure1015 hPa1014 hPa1015 hPa1016 hPa1015 hPa1013 hPa1014 hPa1015 hPa
Cloud cover62%25%72%74%87%73%81%47%
Heat index25°C (77°F)25°C (77°F)25°C (76°F)28°C (83°F)29°C (84°F)29°C (84°F)27°C (81°F)25°C (78°F)
Dew point21°C (70°F)21°C (70°F)21°C (70°F)22°C (71°F)21°C (70°F)22°C (71°F)22°C (72°F)21°C (70°F)
Wind
Speed5km/h (3mph)7km/h (4mph)6km/h (4mph)8km/h (5mph)11km/h (7mph)10km/h (6mph)9km/h (5mph)9km/h (5mph)
Gusts8km/h (5mph)12km/h (7mph)11km/h (7mph)10km/h (6mph)15km/h (10mph)14km/h (9mph)17km/h (10mph)15km/h (10mph)
Direction 139°
SE
136°
SE
144°
SE
115°
ESE
92°
E
80°
E
78°
ENE
96°
E
Wind chill23°C (73°F)23°C (73°F)22°C (72°F)26°C (78°F)26°C (80°F)27°C (80°F)25°C (77°F)23°C (74°F)
Waves
Height0.9m (3.0ft)0.9m (2.9ft)0.9m (2.9ft)0.9m (2.9ft)0.9m (3.0ft)1.0m (3.2ft)1.0m (3.2ft)0.9m (3.0ft)
Direction 24°
NNE
23°
NNE
23°
NNE
24°
NNE
24°
NNE
24°
NNE
24°
NNE
23°
NNE
Period12.5 sec.12.4 sec.12.3 sec.12.1 sec.12.1 sec.12.1 sec.12.1 sec.12.1 sec.
Significant height0.6m (2ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)1.0m (3.3ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)
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 29 April 2025

On Tuesday 29 April 2025, the sun will rise at 05:58 and will set at 18:45 on the beach(es) of San Juan. 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 9.3mph km/h (with gusts up to 12.4mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)23°C (73°F)23°C (73°F)25°C (78°F)26°C (80°F)26°C (79°F)24°C (75°F)23°C (74°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)28°C (82°F)28°C (83°F)28°C (83°F)26°C (79°F)25°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%91%91%80%71%75%84%88%
Barometric pressure1014 hPa1013 hPa1014 hPa1015 hPa1014 hPa1012 hPa1013 hPa1014 hPa
Cloud cover84%60%60%51%77%77%62%75%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)28°C (82°F)28°C (83°F)28°C (83°F)26°C (79°F)25°C (78°F)
Dew point21°C (70°F)21°C (70°F)21°C (70°F)22°C (71°F)21°C (69°F)21°C (70°F)21°C (70°F)21°C (70°F)
Wind
Speed6km/h (4mph)6km/h (4mph)7km/h (4mph)9km/h (6mph)14km/h (9mph)15km/h (9mph)11km/h (7mph)8km/h (5mph)
Gusts11km/h (7mph)10km/h (6mph)11km/h (7mph)11km/h (7mph)18km/h (11mph)20km/h (12mph)18km/h (11mph)14km/h (8mph)
Direction 116°
ESE
89°
E
111°
ESE
76°
ENE
57°
ENE
55°
NE
60°
ENE
64°
ENE
Wind chill23°C (73°F)23°C (73°F)23°C (73°F)25°C (78°F)26°C (80°F)26°C (79°F)24°C (75°F)23°C (74°F)
Waves
Height0.9m (2.9ft)0.8m (2.8ft)0.8m (2.7ft)0.8m (2.8ft)0.8m (2.8ft)0.9m (2.9ft)0.8m (2.8ft)0.8m (2.7ft)
Direction 23°
NNE
24°
NNE
24°
NNE
24°
NNE
24°
NNE
24°
NNE
24°
NNE
24°
NNE
Period12.0 sec.12.0 sec.9.6 sec.11.7 sec.11.7 sec.11.6 sec.11.6 sec.11.6 sec.
Significant height0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)
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 Wednesday 30 April 2025

On Wednesday 30 April 2025, the sun will rise at 05:58 and will set at 18:46 on the beach(es) of San Juan. The outside temperature will be a high of 79°F t and a low of 74°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 8.7mph 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 temperature23°C (74°F)23°C (73°F)23°C (73°F)25°C (77°F)25°C (77°F)26°C (78°F)24°C (75°F)23°C (73°F)
Perceived temperature25°C (78°F)25°C (77°F)25°C (77°F)27°C (80°F)27°C (80°F)27°C (81°F)26°C (78°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%90%89%81%78%74%81%88%
Barometric pressure1014 hPa1012 hPa1013 hPa1015 hPa1014 hPa1012 hPa1013 hPa1014 hPa
Cloud cover80%83%84%73%55%55%66%92%
Heat index25°C (78°F)25°C (77°F)25°C (77°F)27°C (80°F)27°C (80°F)27°C (81°F)26°C (78°F)25°C (77°F)
Dew point21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (69°F)20°C (69°F)21°C (69°F)
Wind
Speed8km/h (5mph)9km/h (5mph)8km/h (5mph)11km/h (7mph)12km/h (7mph)14km/h (9mph)13km/h (8mph)9km/h (6mph)
Gusts13km/h (8mph)14km/h (9mph)14km/h (8mph)14km/h (9mph)17km/h (10mph)18km/h (11mph)19km/h (12mph)16km/h (10mph)
Direction 62°
ENE
56°
NE
62°
ENE
61°
ENE
52°
NE
49°
NE
53°
NE
60°
ENE
Wind chill23°C (74°F)23°C (73°F)23°C (73°F)25°C (77°F)25°C (77°F)26°C (78°F)24°C (75°F)23°C (73°F)
Waves
Height0.8m (2.6ft)0.8m (2.5ft)0.7m (2.5ft)0.7m (2.5ft)0.8m (2.5ft)0.8m (2.7ft)0.8m (2.8ft)1.1m (3.5ft)
Direction 25°
NNE
25°
NNE
25°
NNE
25°
NNE
25°
NNE
24°
NNE
23°
NNE
51°
NE
Period11.6 sec.11.6 sec.6.8 sec.11.6 sec.11.6 sec.7.9 sec.8.2 sec.8.1 sec.
Significant height0.6m (2ft)0.6m (2ft)0.5m (1.6ft)1.0m (3.3ft)1.0m (3.3ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
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 Thursday 1 May 2025

On Thursday 1 May 2025, the sun will rise at 05:57 and will set at 18:46 on the beach(es) of San Juan. The outside temperature will be a high of 77°F t and a low of 72°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 9.9mph km/h (with gusts up to 16.2mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)23°C (73°F)23°C (73°F)24°C (76°F)25°C (77°F)25°C (76°F)24°C (75°F)23°C (73°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)26°C (79°F)27°C (80°F)27°C (80°F)26°C (79°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%89%89%83%79%79%83%88%
Barometric pressure1014 hPa1012 hPa1013 hPa1015 hPa1015 hPa1013 hPa1014 hPa1015 hPa
Cloud cover70%89%90%86%76%67%68%77%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)26°C (79°F)27°C (80°F)27°C (80°F)26°C (79°F)25°C (77°F)
Dew point21°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)21°C (70°F)21°C (69°F)21°C (69°F)21°C (69°F)
Wind
Speed7km/h (4mph)10km/h (6mph)12km/h (7mph)15km/h (10mph)16km/h (10mph)16km/h (10mph)15km/h (9mph)13km/h (8mph)
Gusts12km/h (7mph)17km/h (11mph)19km/h (12mph)22km/h (14mph)26km/h (16mph)26km/h (16mph)23km/h (14mph)22km/h (14mph)
Direction 57°
ENE
42°
NE
54°
NE
57°
ENE
58°
ENE
52°
NE
55°
NE
59°
ENE
Wind chill23°C (73°F)23°C (73°F)23°C (73°F)24°C (76°F)25°C (77°F)25°C (76°F)24°C (75°F)23°C (73°F)
Waves
Height1.1m (3.7ft)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 36°
NE
17°
NNE
16°
NNE
16°
NNE
15°
NNE
19°
NNE
25°
NNE
27°
NNE
Period8.2 sec.8.2 sec.8.1 sec.8.1 sec.8.1 sec.8.1 sec.8.0 sec.7.9 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)1.1m (3.6ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)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 on Friday 2 May 2025

On Friday 2 May 2025, the sun will rise at 05:57 and will set at 18:46 on the beach(es) of San Juan. The outside temperature will be a high of 77°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 9.9mph km/h (with gusts up to 13.7mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (72°F)22°C (72°F)23°C (73°F)24°C (76°F)25°C (77°F)25°C (76°F)24°C (75°F)23°C (73°F)
Perceived temperature25°C (76°F)25°C (76°F)25°C (77°F)26°C (79°F)27°C (80°F)26°C (79°F)26°C (78°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%89%86%79%71%73%76%79%
Barometric pressure1015 hPa1014 hPa1014 hPa1015 hPa1015 hPa1014 hPa1014 hPa1015 hPa
Cloud cover82%81%79%76%79%78%67%40%
Heat index25°C (76°F)25°C (76°F)25°C (77°F)26°C (79°F)27°C (80°F)26°C (79°F)26°C (78°F)25°C (77°F)
Dew point20°C (69°F)20°C (68°F)20°C (68°F)20°C (69°F)20°C (67°F)20°C (67°F)19°C (67°F)19°C (66°F)
Wind
Speed13km/h (8mph)11km/h (7mph)12km/h (8mph)16km/h (10mph)16km/h (10mph)15km/h (9mph)14km/h (9mph)12km/h (7mph)
Gusts22km/h (13mph)19km/h (12mph)19km/h (12mph)21km/h (13mph)21km/h (13mph)21km/h (13mph)22km/h (13mph)19km/h (12mph)
Direction 58°
ENE
63°
ENE
62°
ENE
58°
ENE
52°
NE
50°
NE
54°
NE
65°
ENE
Wind chill22°C (72°F)22°C (72°F)23°C (73°F)24°C (76°F)25°C (77°F)25°C (76°F)24°C (75°F)23°C (73°F)
Waves
Height1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)
Direction 26°
NNE
24°
NNE
26°
NNE
28°
NNE
30°
NNE
35°
NE
36°
NE
38°
NE
Period7.6 sec.7.5 sec.7.3 sec.7.6 sec.8.4 sec.8.6 sec.8.4 sec.8.2 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)1.1m (3.6ft)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

Change units