Sea weather in San Antonio in Chile All the beach weather in San Antonio

All the essential weather information for enjoying the beach in San Antonio in Chile, 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 Antonio over the next 7 days?

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

Date Outside temp. Our opinion
Friday 5 December 202558°F to 63°Frecommended
Saturday 6 December 202559°F to 63°Frecommended
Sunday 7 December 202561°F to 65°Frecommended
Monday 8 December 202559°F to 65°Frecommended
Tuesday 9 December 202561°F to 63°Frecommended
Wednesday 10 December 202561°F to 63°Fdiscouraged
Thursday 11 December 202556°F to 63°Fdiscouraged

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

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 06:29 and will set at 20:46 on the beach(es) of San Antonio. The outside temperature will be a high of 63°F t and a low of 58°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 19.9mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (60°F)15°C (59°F)15°C (59°F)17°C (62°F)16°C (61°F)15°C (58°F)14°C (58°F)15°C (60°F)
Perceived temperature16°C (60°F)15°C (59°F)15°C (59°F)17°C (62°F)16°C (61°F)13°C (56°F)13°C (56°F)15°C (60°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%89%88%79%78%78%81%83%
Barometric pressure1016 hPa1014 hPa1015 hPa1016 hPa1015 hPa1013 hPa1013 hPa1013 hPa
Cloud cover37%15%19%35%3%1%2%5%
Heat index16°C (60°F)15°C (59°F)15°C (59°F)17°C (62°F)16°C (61°F)15°C (58°F)14°C (58°F)15°C (60°F)
Dew point14°C (57°F)13°C (56°F)13°C (56°F)13°C (56°F)12°C (54°F)11°C (51°F)11°C (52°F)13°C (55°F)
Wind
Speed4km/h (3mph)2km/h (1mph)1km/h (1mph)5km/h (3mph)12km/h (7mph)15km/h (9mph)13km/h (8mph)10km/h (6mph)
Gusts7km/h (4mph)3km/h (2mph)2km/h (1mph)7km/h (4mph)20km/h (13mph)32km/h (20mph)28km/h (17mph)16km/h (10mph)
Direction 261°
W
168°
SSE
30°
NNE
322°
NW
255°
WSW
258°
WSW
242°
WSW
197°
SSW
Wind chill16°C (60°F)15°C (59°F)15°C (59°F)17°C (62°F)16°C (61°F)13°C (56°F)13°C (56°F)15°C (60°F)
Waves
Height1.4m (4.6ft)1.5m (4.9ft)1.6m (5.1ft)1.6m (5.2ft)1.6m (5.3ft)1.6m (5.2ft)1.5m (5.0ft)1.5m (4.9ft)
Direction 268°
W
253°
WSW
254°
WSW
254°
WSW
251°
WSW
249°
WSW
248°
WSW
247°
WSW
Period12.1 sec.12.1 sec.12.1 sec.12.0 sec.8.8 sec.13.4 sec.13.2 sec.13.0 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.3m (1ft)0.4m (1.3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 06:29 and will set at 20:47 on the beach(es) of San Antonio. The outside temperature will be a high of 63°F t and a low of 59°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 12.4mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (59°F)15°C (59°F)16°C (60°F)17°C (62°F)17°C (62°F)17°C (62°F)16°C (61°F)16°C (61°F)
Perceived temperature15°C (59°F)15°C (59°F)16°C (60°F)17°C (62°F)17°C (62°F)17°C (62°F)16°C (61°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%81%79%77%84%84%85%88%
Barometric pressure1013 hPa1012 hPa1013 hPa1014 hPa1016 hPa1016 hPa1017 hPa1017 hPa
Cloud cover90%2%5%49%51%39%15%17%
Heat index15°C (59°F)15°C (59°F)16°C (60°F)17°C (62°F)17°C (62°F)17°C (62°F)16°C (61°F)16°C (61°F)
Dew point12°C (54°F)12°C (53°F)12°C (53°F)12°C (54°F)14°C (57°F)14°C (57°F)13°C (56°F)14°C (58°F)
Wind
Speed8km/h (5mph)2km/h (1mph)6km/h (4mph)8km/h (5mph)13km/h (8mph)12km/h (7mph)10km/h (6mph)6km/h (4mph)
Gusts13km/h (8mph)4km/h (2mph)10km/h (6mph)12km/h (7mph)20km/h (12mph)19km/h (12mph)19km/h (12mph)11km/h (7mph)
Direction 178°
S
268°
W
358°
N
342°
NNW
336°
NNW
324°
NW
324°
NW
311°
NW
Wind chill15°C (59°F)15°C (59°F)16°C (60°F)17°C (62°F)17°C (62°F)17°C (62°F)16°C (61°F)16°C (61°F)
Waves
Height1.5m (4.9ft)1.5m (4.9ft)1.5m (5.0ft)1.5m (5.0ft)1.5m (5.0ft)1.5m (4.9ft)1.4m (4.6ft)1.3m (4.3ft)
Direction 247°
WSW
245°
WSW
233°
SW
232°
SW
233°
SW
234°
SW
236°
WSW
239°
WSW
Period12.8 sec.12.7 sec.12.6 sec.12.5 sec.12.3 sec.12.2 sec.12.0 sec.11.9 sec.
Significant height0.6m (2ft)0.6m (2ft)0.4m (1.3ft)0.5m (1.6ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 06:29 and will set at 20:48 on the beach(es) of San Antonio. The outside temperature will be a high of 65°F t and a low of 61°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 18mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (61°F)16°C (61°F)16°C (61°F)17°C (63°F)18°C (65°F)18°C (64°F)17°C (62°F)17°C (62°F)
Perceived temperature16°C (61°F)16°C (61°F)16°C (61°F)17°C (63°F)18°C (65°F)18°C (64°F)17°C (62°F)17°C (62°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%88%88%81%74%79%82%88%
Barometric pressure1017 hPa1016 hPa1017 hPa1017 hPa1017 hPa1017 hPa1016 hPa1017 hPa
Cloud cover25%25%23%47%58%45%12%6%
Heat index16°C (61°F)16°C (61°F)16°C (61°F)17°C (63°F)18°C (65°F)18°C (64°F)17°C (62°F)17°C (62°F)
Dew point14°C (58°F)14°C (58°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (58°F)14°C (57°F)14°C (58°F)
Wind
Speed6km/h (4mph)3km/h (2mph)3km/h (2mph)1km/h (1mph)10km/h (6mph)19km/h (12mph)12km/h (7mph)6km/h (4mph)
Gusts11km/h (7mph)4km/h (3mph)5km/h (3mph)2km/h (1mph)15km/h (9mph)29km/h (18mph)20km/h (13mph)11km/h (7mph)
Direction 355°
N
21°
NNE
65°
ENE
266°
W
274°
W
254°
WSW
231°
SW
245°
WSW
Wind chill16°C (61°F)16°C (61°F)16°C (61°F)17°C (63°F)18°C (65°F)18°C (64°F)17°C (62°F)17°C (62°F)
Waves
Height1.3m (4.1ft)1.2m (4.0ft)1.2m (3.8ft)1.1m (3.7ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.5ft)
Direction 227°
SW
228°
SW
230°
SW
232°
SW
298°
WNW
299°
WNW
299°
WNW
299°
WNW
Period11.8 sec.11.7 sec.11.6 sec.11.4 sec.11.2 sec.11.1 sec.11.0 sec.10.9 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 06:29 and will set at 20:49 on the beach(es) of San Antonio. The outside temperature will be a high of 65°F t and a low of 59°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 14.3mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (61°F)16°C (61°F)16°C (61°F)18°C (64°F)16°C (61°F)15°C (60°F)16°C (61°F)16°C (61°F)
Perceived temperature16°C (61°F)16°C (61°F)16°C (61°F)18°C (64°F)16°C (61°F)15°C (60°F)16°C (61°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%87%85%75%74%75%81%87%
Barometric pressure1016 hPa1015 hPa1014 hPa1014 hPa1013 hPa1013 hPa1013 hPa1014 hPa
Cloud cover6%3%2%0%0%0%5%1%
Heat index16°C (61°F)16°C (61°F)16°C (61°F)18°C (64°F)16°C (61°F)15°C (60°F)16°C (61°F)16°C (61°F)
Dew point14°C (57°F)14°C (57°F)13°C (56°F)13°C (56°F)12°C (53°F)11°C (52°F)13°C (55°F)14°C (57°F)
Wind
Speed5km/h (3mph)6km/h (4mph)5km/h (3mph)13km/h (8mph)18km/h (11mph)19km/h (12mph)5km/h (3mph)2km/h (1mph)
Gusts9km/h (5mph)11km/h (7mph)9km/h (6mph)20km/h (13mph)18km/h (11mph)23km/h (15mph)9km/h (5mph)4km/h (2mph)
Direction 247°
WSW
180°
S
135°
SE
225°
SW
237°
WSW
243°
WSW
287°
WNW
64°
ENE
Wind chill16°C (61°F)16°C (61°F)16°C (61°F)18°C (64°F)16°C (61°F)15°C (60°F)16°C (61°F)16°C (61°F)
Waves
Height1.1m (3.5ft)1.0m (3.4ft)1.0m (3.4ft)1.0m (3.3ft)1.0m (3.4ft)1.1m (3.5ft)1.1m (3.6ft)1.4m (4.4ft)
Direction 298°
WNW
288°
WNW
288°
WNW
289°
WNW
300°
WNW
289°
WNW
289°
WNW
290°
WNW
Period10.8 sec.10.7 sec.10.6 sec.10.5 sec.10.5 sec.10.5 sec.10.5 sec.10.9 sec.
Significant height0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)1.1m (3.6ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 06:29 and will set at 20:49 on the beach(es) of San Antonio. The outside temperature will be a high of 63°F t and a low of 61°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 18mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (61°F)16°C (60°F)16°C (61°F)17°C (63°F)16°C (61°F)16°C (60°F)16°C (61°F)17°C (62°F)
Perceived temperature16°C (61°F)16°C (60°F)16°C (61°F)17°C (63°F)16°C (61°F)16°C (60°F)16°C (61°F)17°C (62°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%87%85%78%78%79%83%89%
Barometric pressure1013 hPa1012 hPa1012 hPa1011 hPa1011 hPa1011 hPa1011 hPa1012 hPa
Cloud cover0%5%4%3%2%2%5%9%
Heat index16°C (61°F)16°C (60°F)16°C (61°F)17°C (63°F)16°C (61°F)16°C (60°F)16°C (61°F)17°C (62°F)
Dew point14°C (57°F)14°C (57°F)13°C (56°F)13°C (56°F)13°C (55°F)12°C (54°F)13°C (56°F)15°C (58°F)
Wind
Speed4km/h (2mph)8km/h (5mph)6km/h (4mph)10km/h (6mph)15km/h (9mph)14km/h (9mph)11km/h (7mph)7km/h (4mph)
Gusts7km/h (4mph)15km/h (9mph)11km/h (7mph)17km/h (10mph)28km/h (17mph)29km/h (18mph)21km/h (13mph)11km/h (7mph)
Direction 211°
SSW
175°
S
193°
SSW
226°
SW
256°
WSW
274°
W
297°
WNW
214°
SSW
Wind chill16°C (61°F)16°C (60°F)16°C (61°F)17°C (63°F)16°C (61°F)16°C (60°F)16°C (61°F)17°C (62°F)
Waves
Height1.4m (4.5ft)1.4m (4.6ft)1.5m (4.8ft)1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)1.4m (4.6ft)1.4m (4.6ft)
Direction 294°
WNW
296°
WNW
292°
WNW
291°
WNW
290°
WNW
291°
WNW
291°
WNW
291°
WNW
Period11.1 sec.13.4 sec.16.3 sec.17.7 sec.17.7 sec.17.7 sec.17.7 sec.17.7 sec.
Significant height1.1m (3.6ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature14°C (57°F)14°C (57°F)14°C (57°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 06:29 and will set at 20:50 on the beach(es) of San Antonio. The outside temperature will be a high of 63°F t and a low of 61°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 25.5mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (61°F)16°C (61°F)16°C (61°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)
Perceived temperature16°C (61°F)16°C (61°F)16°C (61°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%89%88%85%83%85%87%86%
Barometric pressure1011 hPa1010 hPa1012 hPa1013 hPa1014 hPa1014 hPa1014 hPa1015 hPa
Cloud cover5%7%15%18%9%12%43%82%
Heat index16°C (61°F)16°C (61°F)16°C (61°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)
Dew point14°C (58°F)14°C (57°F)14°C (58°F)14°C (58°F)14°C (57°F)14°C (57°F)14°C (58°F)14°C (57°F)
Wind
Speed7km/h (4mph)9km/h (5mph)11km/h (7mph)14km/h (9mph)22km/h (13mph)26km/h (16mph)19km/h (12mph)9km/h (5mph)
Gusts13km/h (8mph)14km/h (9mph)17km/h (11mph)21km/h (13mph)35km/h (21mph)41km/h (26mph)30km/h (18mph)14km/h (9mph)
Direction
N
117°
ESE
343°
NNW
337°
NNW
328°
NNW
322°
NW
310°
NW
312°
NW
Wind chill16°C (61°F)16°C (61°F)16°C (61°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)
Waves
Height1.3m (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)1.4m (4.6ft)
Direction 291°
WNW
291°
WNW
292°
WNW
292°
WNW
292°
WNW
291°
WNW
291°
WNW
291°
WNW
Period17.6 sec.17.3 sec.16.8 sec.16.4 sec.16.2 sec.16.2 sec.16.1 sec.16.1 sec.
Significant height1.1m (3.6ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)1.4m (4.6ft)1.4m (4.6ft)1.2m (3.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)

Sea weather on Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 06:30 and will set at 20:51 on the beach(es) of San Antonio. The outside temperature will be a high of 63°F t and a low of 56°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 24.9mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (62°F)16°C (61°F)16°C (61°F)17°C (62°F)16°C (61°F)15°C (58°F)14°C (57°F)15°C (59°F)
Perceived temperature17°C (62°F)16°C (61°F)16°C (61°F)17°C (62°F)16°C (61°F)14°C (57°F)13°C (55°F)15°C (58°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%80%79%74%71%75%82%86%
Barometric pressure1016 hPa1015 hPa1016 hPa1017 hPa1016 hPa1016 hPa1016 hPa1016 hPa
Cloud cover75%54%39%30%3%0%2%3%
Heat index17°C (62°F)16°C (61°F)16°C (61°F)17°C (62°F)16°C (61°F)15°C (58°F)14°C (57°F)15°C (59°F)
Dew point13°C (56°F)13°C (55°F)12°C (54°F)12°C (54°F)11°C (52°F)10°C (50°F)11°C (52°F)13°C (55°F)
Wind
Speed5km/h (3mph)4km/h (3mph)3km/h (2mph)10km/h (6mph)19km/h (12mph)24km/h (15mph)30km/h (19mph)26km/h (16mph)
Gusts8km/h (5mph)7km/h (4mph)4km/h (2mph)15km/h (10mph)27km/h (17mph)31km/h (19mph)39km/h (24mph)40km/h (25mph)
Direction 343°
NNW
289°
WNW
167°
SSE
201°
SSW
237°
WSW
228°
SW
215°
SW
203°
SSW
Wind chill17°C (62°F)16°C (61°F)16°C (61°F)17°C (62°F)16°C (61°F)14°C (57°F)13°C (55°F)15°C (58°F)
Waves
Height1.4m (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)1.3m (4.3ft)
Direction 291°
WNW
291°
WNW
291°
WNW
292°
WNW
293°
WNW
292°
WNW
287°
WNW
286°
WNW
Period16.1 sec.16.0 sec.15.9 sec.15.8 sec.15.7 sec.15.5 sec.13.8 sec.11.0 sec.
Significant height0.9m (3ft)0.7m (2.3ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)
Sea water temperature
Water temperature16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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