Sea weather in Sines in Portugal All the beach weather in Sines

All the essential weather information for enjoying the beach in Sines in Portugal, 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 Sines over the next 7 days?

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

Date Outside temp. Our opinion
Saturday 18 July 202663°F to 68°Fdiscouraged
Sunday 19 July 202661°F to 68°Fdiscouraged
Monday 20 July 202661°F to 68°Fdiscouraged
Tuesday 21 July 202667°F to 68°Fdiscouraged
Wednesday 22 July 202667°F to 68°Fdiscouraged
Thursday 23 July 202663°F to 68°Fdiscouraged
Friday 24 July 202663°F to 68°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Sines

Sea weather on Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 06:27 and will set at 20:56 on the beach(es) of Sines. The outside temperature will be a high of 68°F t and a low of 63°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 24.2mph km/h (with gusts up to 25.5mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature20°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)18°C (65°F)19°C (66°F)20°C (67°F)20°C (67°F)
Perceived temperature20°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)18°C (65°F)19°C (66°F)20°C (67°F)20°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%87%88%89%88%86%87%90%
Barometric pressure1017 hPa1017 hPa1017 hPa1017 hPa1017 hPa1016 hPa1015 hPa1016 hPa
Cloud cover100%7%20%28%3%5%100%3%
Heat index20°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)18°C (65°F)19°C (66°F)20°C (67°F)20°C (67°F)
Dew point17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)16°C (62°F)16°C (62°F)17°C (63°F)18°C (64°F)
Wind
Speed22km/h (13mph)17km/h (11mph)20km/h (12mph)18km/h (11mph)27km/h (17mph)32km/h (20mph)39km/h (24mph)36km/h (22mph)
Gusts32km/h (20mph)24km/h (15mph)27km/h (17mph)26km/h (16mph)28km/h (18mph)35km/h (22mph)41km/h (26mph)38km/h (24mph)
Direction 345°
NNW
341°
NNW
345°
NNW
336°
NNW
313°
NW
313°
NW
318°
NW
325°
NW
Wind chill20°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)18°C (65°F)19°C (66°F)20°C (67°F)20°C (67°F)
Waves
Height0.9m (2.9ft)0.7m (2.3ft)0.6m (2.1ft)0.6m (2.0ft)0.7m (2.2ft)1.0m (3.1ft)1.2m (4.0ft)1.2m (3.9ft)
Direction 315°
NW
308°
NW
309°
NW
305°
NW
308°
NW
306°
NW
308°
NW
311°
NW
Period7.9 sec.7.8 sec.7.8 sec.7.3 sec.8.3 sec.8.3 sec.8.3 sec.11.0 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)1.2m (3.9ft)1.4m (4.6ft)1.2m (3.9ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 06:28 and will set at 20:55 on the beach(es) of Sines. The outside temperature will be a high of 68°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 23.6mph 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 temperature20°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)18°C (64°F)17°C (63°F)16°C (61°F)20°C (67°F)
Perceived temperature20°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)18°C (64°F)17°C (63°F)16°C (61°F)20°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%91%89%90%87%86%87%91%
Barometric pressure1016 hPa1016 hPa1017 hPa1017 hPa1018 hPa1017 hPa1016 hPa1017 hPa
Cloud cover24%32%29%29%2%0%0%4%
Heat index20°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)18°C (64°F)17°C (63°F)16°C (61°F)20°C (67°F)
Dew point18°C (65°F)18°C (64°F)17°C (63°F)18°C (64°F)15°C (60°F)15°C (58°F)14°C (57°F)18°C (64°F)
Wind
Speed24km/h (15mph)20km/h (13mph)19km/h (12mph)22km/h (14mph)26km/h (16mph)33km/h (20mph)38km/h (24mph)36km/h (22mph)
Gusts35km/h (22mph)29km/h (18mph)26km/h (16mph)32km/h (20mph)26km/h (16mph)37km/h (23mph)44km/h (27mph)40km/h (25mph)
Direction 334°
NNW
338°
NNW
339°
NNW
332°
NNW
314°
NW
311°
NW
318°
NW
324°
NW
Wind chill20°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)18°C (64°F)17°C (63°F)16°C (61°F)20°C (67°F)
Waves
Height0.9m (2.9ft)0.8m (2.5ft)0.7m (2.4ft)0.7m (2.3ft)0.7m (2.4ft)0.9m (3.0ft)1.2m (3.8ft)1.1m (3.6ft)
Direction 311°
NW
308°
NW
310°
NW
311°
NW
312°
NW
309°
NW
314°
NW
316°
NW
Period7.8 sec.7.7 sec.7.7 sec.7.8 sec.7.7 sec.9.2 sec.9.0 sec.8.9 sec.
Significant height0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)1.0m (3.3ft)1.2m (3.9ft)1.1m (3.6ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 06:29 and will set at 20:55 on the beach(es) of Sines. The outside temperature will be a high of 68°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 23mph km/h (with gusts up to 26.1mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature20°C (67°F)19°C (67°F)19°C (67°F)20°C (67°F)19°C (66°F)17°C (63°F)17°C (62°F)20°C (67°F)
Perceived temperature20°C (67°F)19°C (67°F)19°C (67°F)20°C (67°F)19°C (66°F)17°C (63°F)17°C (62°F)20°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%94%94%93%90%87%87%90%
Barometric pressure1018 hPa1017 hPa1018 hPa1018 hPa1018 hPa1017 hPa1017 hPa1017 hPa
Cloud cover11%46%52%41%7%0%0%2%
Heat index20°C (67°F)19°C (67°F)19°C (67°F)20°C (67°F)19°C (66°F)17°C (63°F)17°C (62°F)20°C (67°F)
Dew point18°C (64°F)18°C (65°F)18°C (65°F)18°C (65°F)17°C (63°F)15°C (59°F)14°C (58°F)18°C (65°F)
Wind
Speed24km/h (15mph)22km/h (13mph)17km/h (10mph)17km/h (10mph)24km/h (15mph)30km/h (19mph)37km/h (23mph)36km/h (23mph)
Gusts36km/h (22mph)31km/h (19mph)24km/h (15mph)24km/h (15mph)26km/h (16mph)35km/h (22mph)42km/h (26mph)42km/h (26mph)
Direction 333°
NNW
334°
NNW
337°
NNW
339°
NNW
316°
NW
310°
NW
316°
NW
324°
NW
Wind chill20°C (67°F)19°C (67°F)19°C (67°F)20°C (67°F)19°C (66°F)17°C (63°F)17°C (62°F)20°C (67°F)
Waves
Height0.9m (2.8ft)0.7m (2.4ft)0.7m (2.2ft)0.7m (2.2ft)0.8m (2.6ft)1.0m (3.3ft)1.4m (4.6ft)1.4m (4.5ft)
Direction 311°
NW
286°
WNW
288°
WNW
292°
WNW
293°
WNW
310°
NW
317°
NW
319°
NW
Period8.6 sec.8.5 sec.8.3 sec.8.3 sec.8.0 sec.12.1 sec.12.3 sec.11.9 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.8m (2.6ft)1.0m (3.3ft)1.4m (4.6ft)1.3m (4.3ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 06:29 and will set at 20:54 on the beach(es) of Sines. The outside temperature will be a high of 68°F t and a low of 67°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 19.9mph km/h (with gusts up to 23.6mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)20°C (67°F)19°C (66°F)20°C (69°F)
Perceived temperature20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)20°C (67°F)19°C (66°F)20°C (69°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%91%91%89%88%86%87%87%
Barometric pressure1018 hPa1017 hPa1017 hPa1018 hPa1018 hPa1017 hPa1017 hPa1017 hPa
Cloud cover14%18%16%7%7%7%6%10%
Heat index20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)20°C (67°F)19°C (66°F)20°C (69°F)
Dew point18°C (65°F)18°C (65°F)18°C (65°F)18°C (64°F)17°C (63°F)17°C (63°F)17°C (62°F)18°C (64°F)
Wind
Speed24km/h (15mph)19km/h (12mph)18km/h (11mph)14km/h (9mph)24km/h (15mph)29km/h (18mph)32km/h (20mph)32km/h (20mph)
Gusts38km/h (23mph)29km/h (18mph)26km/h (16mph)22km/h (14mph)26km/h (16mph)33km/h (20mph)35km/h (22mph)36km/h (23mph)
Direction 333°
NNW
342°
NNW
343°
NNW
346°
NNW
320°
NW
308°
NW
314°
NW
321°
NW
Wind chill20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)20°C (67°F)19°C (66°F)20°C (69°F)
Waves
Height1.1m (3.5ft)0.9m (3.0ft)0.8m (2.7ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)1.2m (4.0ft)1.2m (3.8ft)
Direction 317°
NW
314°
NW
297°
WNW
296°
WNW
295°
WNW
299°
WNW
309°
NW
311°
NW
Period11.7 sec.7.3 sec.11.2 sec.7.2 sec.11.0 sec.10.7 sec.10.5 sec.10.4 sec.
Significant height0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)0.6m (2ft)0.9m (3ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 06:30 and will set at 20:53 on the beach(es) of Sines. The outside temperature will be a high of 68°F t and a low of 67°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 26.1mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)19°C (66°F)19°C (66°F)20°C (68°F)
Perceived temperature20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)19°C (66°F)19°C (66°F)20°C (68°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%92%92%90%89%89%88%89%
Barometric pressure1017 hPa1016 hPa1016 hPa1017 hPa1018 hPa1017 hPa1017 hPa1018 hPa
Cloud cover11%18%22%12%11%5%7%10%
Heat index20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)19°C (66°F)19°C (66°F)20°C (68°F)
Dew point18°C (65°F)18°C (65°F)18°C (65°F)18°C (64°F)17°C (63°F)17°C (63°F)17°C (63°F)18°C (65°F)
Wind
Speed27km/h (17mph)22km/h (14mph)22km/h (14mph)20km/h (12mph)18km/h (11mph)22km/h (14mph)23km/h (14mph)25km/h (16mph)
Gusts42km/h (26mph)34km/h (21mph)34km/h (21mph)29km/h (18mph)31km/h (20mph)23km/h (14mph)26km/h (16mph)39km/h (24mph)
Direction 326°
NW
331°
NNW
327°
NNW
324°
NW
312°
NW
301°
WNW
306°
NW
313°
NW
Wind chill20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)19°C (66°F)19°C (66°F)20°C (68°F)
Waves
Height1.0m (3.2ft)0.8m (2.8ft)0.7m (2.4ft)0.7m (2.2ft)0.7m (2.2ft)0.8m (2.6ft)1.0m (3.4ft)1.1m (3.6ft)
Direction 294°
WNW
293°
WNW
292°
WNW
294°
WNW
293°
WNW
292°
WNW
303°
WNW
308°
NW
Period10.3 sec.10.1 sec.10.0 sec.9.9 sec.9.8 sec.9.6 sec.9.6 sec.9.5 sec.
Significant height0.9m (3ft)0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)0.9m (3ft)1.1m (3.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 06:31 and will set at 20:52 on the beach(es) of Sines. The outside temperature will be a high of 68°F t and a low of 63°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 19.9mph 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 temperature20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)18°C (64°F)17°C (63°F)17°C (62°F)20°C (68°F)
Perceived temperature20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)18°C (64°F)17°C (63°F)17°C (62°F)20°C (68°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%91%91%90%87%87%88%87%
Barometric pressure1017 hPa1017 hPa1018 hPa1018 hPa1019 hPa1018 hPa1018 hPa1017 hPa
Cloud cover10%17%20%10%0%0%0%7%
Heat index20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)18°C (64°F)17°C (63°F)17°C (62°F)20°C (68°F)
Dew point18°C (65°F)18°C (65°F)18°C (65°F)18°C (64°F)16°C (60°F)15°C (59°F)15°C (59°F)18°C (64°F)
Wind
Speed24km/h (15mph)19km/h (12mph)15km/h (9mph)17km/h (11mph)22km/h (14mph)27km/h (17mph)32km/h (20mph)29km/h (18mph)
Gusts36km/h (23mph)29km/h (18mph)22km/h (14mph)25km/h (16mph)28km/h (17mph)32km/h (20mph)38km/h (24mph)35km/h (22mph)
Direction 321°
NW
327°
NNW
321°
NW
322°
NW
318°
NW
309°
NW
316°
NW
321°
NW
Wind chill20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)18°C (64°F)17°C (63°F)17°C (62°F)20°C (68°F)
Waves
Height1.0m (3.2ft)0.8m (2.6ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (2.1ft)1.0m (3.3ft)1.4m (4.6ft)1.3m (4.4ft)
Direction 309°
NW
292°
WNW
292°
WNW
292°
WNW
293°
WNW
302°
WNW
308°
NW
316°
NW
Period9.4 sec.9.2 sec.9.1 sec.4.8 sec.9.0 sec.12.6 sec.12.1 sec.8.9 sec.
Significant height1.0m (3.3ft)0.7m (2.3ft)0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)1.1m (3.6ft)1.3m (4.3ft)1.1m (3.6ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 06:32 and will set at 20:52 on the beach(es) of Sines. The outside temperature will be a high of 68°F t and a low of 63°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 24.2mph). Wave height will be up to 5.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature20°C (68°F)20°C (67°F)20°C (67°F)20°C (68°F)18°C (64°F)18°C (64°F)17°C (62°F)20°C (68°F)
Perceived temperature20°C (68°F)20°C (67°F)20°C (67°F)20°C (68°F)18°C (64°F)18°C (64°F)17°C (62°F)20°C (68°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%91%89%89%88%86%88%91%
Barometric pressure1019 hPa1018 hPa1019 hPa1020 hPa1020 hPa1019 hPa1018 hPa1019 hPa
Cloud cover0%6%4%4%0%0%0%0%
Heat index20°C (68°F)20°C (67°F)20°C (67°F)20°C (68°F)18°C (64°F)18°C (64°F)17°C (62°F)20°C (68°F)
Dew point18°C (65°F)18°C (65°F)18°C (64°F)18°C (64°F)16°C (61°F)15°C (59°F)15°C (58°F)18°C (65°F)
Wind
Speed27km/h (17mph)18km/h (11mph)12km/h (7mph)15km/h (9mph)23km/h (14mph)29km/h (18mph)35km/h (21mph)35km/h (21mph)
Gusts28km/h (18mph)28km/h (17mph)18km/h (11mph)24km/h (15mph)25km/h (16mph)30km/h (18mph)39km/h (25mph)35km/h (22mph)
Direction 331°
NNW
339°
NNW
334°
NNW
322°
NW
309°
NW
309°
NW
316°
NW
323°
NW
Wind chill20°C (68°F)20°C (67°F)20°C (67°F)20°C (68°F)18°C (64°F)18°C (64°F)17°C (62°F)20°C (68°F)
Waves
Height1.0m (3.4ft)0.9m (2.9ft)0.8m (2.6ft)0.8m (2.5ft)0.9m (2.9ft)1.5m (5.0ft)1.8m (5.8ft)1.4m (4.7ft)
Direction 310°
NW
305°
NW
304°
NW
304°
NW
307°
NW
310°
NW
315°
NW
316°
NW
Period8.6 sec.5.0 sec.5.0 sec.5.1 sec.8.4 sec.8.4 sec.8.4 sec.8.4 sec.
Significant height0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)1.1m (3.6ft)0.9m (3ft)1.5m (4.9ft)1.7m (5.6ft)1.2m (3.9ft)
Sea water temperature
Water temperature17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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