Sea weather in Sesimbra in Portugal All the beach weather in Sesimbra

All the essential weather information for enjoying the beach in Sesimbra 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 Sesimbra over the next 7 days?

Discover the best moment to go to the beach in Sesimbra in Portugal this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Sesimbra. 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 202561°F to 63°Fdiscouraged
Saturday 6 December 202561°F to 61°Frecommended
Sunday 7 December 202556°F to 63°Frecommended
Monday 8 December 202559°F to 61°Fdiscouraged
Tuesday 9 December 202559°F to 63°Fnot recommended
Wednesday 10 December 202558°F to 61°Fdiscouraged
Thursday 11 December 202556°F to 59°Frecommended

Sea Weather: Your daily and hourly sea weather in Sesimbra

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 07:39 and will set at 17:16 on the beach(es) of Sesimbra. The outside temperature will be a high of 63°F t and a low of 61°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 20.5mph km/h (with gusts up to 29.2mph). Wave height will be up to 9.8ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (61°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)16°C (62°F)16°C (60°F)16°C (61°F)
Perceived temperature16°C (61°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)16°C (62°F)16°C (60°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%87%91%91%91%91%93%92%
Barometric pressure1022 hPa1021 hPa1021 hPa1022 hPa1023 hPa1022 hPa1023 hPa1024 hPa
Cloud cover100%89%93%86%74%85%79%57%
Heat index16°C (61°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)16°C (62°F)16°C (60°F)16°C (61°F)
Dew point14°C (58°F)15°C (58°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (58°F)15°C (59°F)
Wind
Speed22km/h (14mph)33km/h (21mph)31km/h (19mph)28km/h (18mph)25km/h (16mph)24km/h (15mph)19km/h (12mph)15km/h (10mph)
Gusts34km/h (21mph)36km/h (22mph)47km/h (29mph)44km/h (27mph)39km/h (25mph)38km/h (24mph)32km/h (20mph)26km/h (16mph)
Direction 253°
WSW
272°
W
284°
WNW
278°
W
267°
W
265°
W
255°
WSW
254°
WSW
Wind chill16°C (61°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)16°C (62°F)16°C (60°F)16°C (61°F)
Waves
Height2.3m (7.6ft)2.4m (7.8ft)2.7m (8.8ft)2.9m (9.5ft)3.0m (10.0ft)3.0m (9.9ft)2.8m (9.3ft)2.6m (8.7ft)
Direction 311°
NW
311°
NW
311°
NW
311°
NW
312°
NW
310°
NW
311°
NW
310°
NW
Period12.9 sec.13.1 sec.13.3 sec.13.1 sec.14.4 sec.17.3 sec.16.5 sec.16.2 sec.
Significant height0.4m (1.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.8m (2.6ft)0.8m (2.6ft)0.6m (2ft)0.5m (1.6ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 07:40 and will set at 17:16 on the beach(es) of Sesimbra. The outside temperature will be a high of 61°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 14.3mph). Wave height will be up to 11.2ft 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)16°C (61°F)16°C (61°F)16°C (61°F)16°C (60°F)16°C (61°F)
Perceived temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (60°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%88%78%79%76%73%75%76%
Barometric pressure1024 hPa1023 hPa1023 hPa1024 hPa1025 hPa1023 hPa1024 hPa1025 hPa
Cloud cover56%85%86%81%75%77%82%42%
Heat index16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (60°F)16°C (61°F)
Dew point15°C (59°F)14°C (57°F)13°C (55°F)13°C (55°F)12°C (53°F)11°C (53°F)11°C (52°F)12°C (53°F)
Wind
Speed14km/h (9mph)14km/h (9mph)15km/h (9mph)11km/h (7mph)13km/h (8mph)10km/h (6mph)8km/h (5mph)7km/h (4mph)
Gusts22km/h (14mph)22km/h (14mph)23km/h (14mph)16km/h (10mph)20km/h (12mph)15km/h (10mph)13km/h (8mph)11km/h (7mph)
Direction 253°
WSW
257°
WSW
265°
W
256°
WSW
258°
WSW
249°
WSW
262°
W
231°
SW
Wind chill16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (60°F)16°C (61°F)
Waves
Height2.4m (8.0ft)2.3m (7.6ft)2.4m (7.9ft)2.7m (8.7ft)3.1m (10.1ft)3.4m (11.2ft)3.4m (11.2ft)3.2m (10.6ft)
Direction 310°
NW
311°
NW
312°
NW
310°
NW
308°
NW
302°
WNW
304°
WNW
301°
WNW
Period16.0 sec.15.8 sec.15.4 sec.14.7 sec.15.8 sec.17.1 sec.16.1 sec.15.8 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 07:41 and will set at 17:16 on the beach(es) of Sesimbra. 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 12.4mph km/h (with gusts up to 18.6mph). Wave height will be up to 10.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (61°F)16°C (61°F)17°C (62°F)16°C (61°F)16°C (60°F)15°C (60°F)14°C (57°F)15°C (60°F)
Perceived temperature16°C (61°F)16°C (61°F)17°C (62°F)16°C (61°F)16°C (60°F)15°C (60°F)13°C (55°F)15°C (60°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%74%72%79%79%81%87%89%
Barometric pressure1025 hPa1024 hPa1023 hPa1024 hPa1024 hPa1022 hPa1022 hPa1023 hPa
Cloud cover36%84%89%76%78%83%4%10%
Heat index16°C (61°F)16°C (61°F)17°C (62°F)16°C (61°F)16°C (60°F)15°C (60°F)14°C (57°F)15°C (60°F)
Dew point12°C (53°F)12°C (53°F)11°C (52°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (53°F)14°C (56°F)
Wind
Speed6km/h (4mph)8km/h (5mph)10km/h (6mph)18km/h (11mph)20km/h (13mph)17km/h (11mph)13km/h (8mph)12km/h (8mph)
Gusts9km/h (6mph)13km/h (8mph)16km/h (10mph)28km/h (17mph)30km/h (18mph)29km/h (18mph)28km/h (17mph)20km/h (12mph)
Direction 189°
S
161°
SSE
153°
SSE
160°
SSE
174°
S
189°
S
192°
SSW
192°
SSW
Wind chill16°C (61°F)16°C (61°F)17°C (62°F)16°C (61°F)16°C (60°F)15°C (60°F)13°C (55°F)15°C (60°F)
Waves
Height3.1m (10.0ft)2.9m (9.4ft)2.7m (8.7ft)2.6m (8.4ft)2.3m (7.7ft)2.2m (7.3ft)2.2m (7.3ft)2.3m (7.4ft)
Direction 299°
WNW
300°
WNW
299°
WNW
299°
WNW
298°
WNW
299°
WNW
299°
WNW
298°
WNW
Period15.7 sec.15.3 sec.14.7 sec.14.6 sec.14.3 sec.13.8 sec.13.4 sec.13.2 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.5m (1.6ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.4m (1.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 07:42 and will set at 17:16 on the beach(es) of Sesimbra. The outside temperature will be a high of 61°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 16.2mph km/h (with gusts up to 26.1mph). Wave height will be up to 11.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (60°F)15°C (59°F)15°C (59°F)15°C (59°F)16°C (60°F)16°C (60°F)15°C (59°F)16°C (60°F)
Perceived temperature15°C (60°F)15°C (59°F)14°C (56°F)15°C (59°F)16°C (60°F)16°C (60°F)15°C (59°F)16°C (60°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%91%90%88%85%86%90%88%
Barometric pressure1022 hPa1021 hPa1021 hPa1022 hPa1022 hPa1020 hPa1021 hPa1022 hPa
Cloud cover80%83%78%21%21%16%26%16%
Heat index15°C (60°F)15°C (59°F)15°C (59°F)15°C (59°F)16°C (60°F)16°C (60°F)15°C (59°F)16°C (60°F)
Dew point14°C (57°F)14°C (57°F)13°C (56°F)13°C (56°F)13°C (55°F)13°C (56°F)13°C (56°F)14°C (57°F)
Wind
Speed18km/h (11mph)19km/h (12mph)19km/h (12mph)22km/h (14mph)23km/h (14mph)23km/h (15mph)24km/h (15mph)26km/h (16mph)
Gusts27km/h (17mph)30km/h (18mph)30km/h (18mph)32km/h (20mph)34km/h (21mph)38km/h (23mph)42km/h (26mph)41km/h (25mph)
Direction 173°
S
157°
SSE
160°
SSE
160°
SSE
169°
SSE
174°
S
176°
S
173°
S
Wind chill15°C (60°F)15°C (59°F)14°C (56°F)15°C (59°F)16°C (60°F)16°C (60°F)15°C (59°F)16°C (60°F)
Waves
Height2.2m (7.4ft)2.3m (7.4ft)2.3m (7.4ft)2.3m (7.4ft)2.4m (7.7ft)2.7m (8.8ft)3.1m (10.0ft)3.4m (11.1ft)
Direction 295°
WNW
292°
WNW
291°
WNW
289°
WNW
287°
WNW
289°
WNW
293°
WNW
294°
WNW
Period13.0 sec.12.8 sec.12.2 sec.12.0 sec.11.8 sec.11.6 sec.19.2 sec.18.1 sec.
Significant height0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)1.3m (4.3ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 07:42 and will set at 17:16 on the beach(es) of Sesimbra. 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! Be careful, the sea will be generally rough with a wind speed of up to 26.1mph km/h (with gusts up to 29.8mph). Wave height will be up to 11.8ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (60°F)16°C (60°F)15°C (60°F)16°C (60°F)16°C (62°F)17°C (62°F)16°C (61°F)17°C (63°F)
Perceived temperature16°C (60°F)16°C (60°F)15°C (60°F)16°C (60°F)16°C (62°F)17°C (62°F)16°C (61°F)17°C (63°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%90%89%87%84%81%81%85%
Barometric pressure1021 hPa1020 hPa1018 hPa1019 hPa1018 hPa1016 hPa1015 hPa1015 hPa
Cloud cover25%26%22%15%22%19%50%100%
Heat index16°C (60°F)16°C (60°F)15°C (60°F)16°C (60°F)16°C (62°F)17°C (62°F)16°C (61°F)17°C (63°F)
Dew point14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)13°C (56°F)13°C (56°F)14°C (58°F)
Wind
Speed27km/h (17mph)28km/h (17mph)30km/h (19mph)32km/h (20mph)38km/h (23mph)39km/h (24mph)41km/h (25mph)42km/h (26mph)
Gusts41km/h (26mph)43km/h (27mph)46km/h (28mph)48km/h (30mph)40km/h (25mph)46km/h (29mph)45km/h (28mph)46km/h (29mph)
Direction 166°
SSE
165°
SSE
163°
SSE
168°
SSE
173°
S
173°
S
178°
S
190°
S
Wind chill16°C (60°F)16°C (60°F)15°C (60°F)16°C (60°F)16°C (62°F)17°C (62°F)16°C (61°F)17°C (63°F)
Waves
Height3.6m (11.8ft)3.6m (11.9ft)3.5m (11.6ft)3.4m (11.3ft)3.4m (11.1ft)3.3m (10.8ft)3.3m (10.8ft)3.4m (11.1ft)
Direction 294°
WNW
294°
WNW
294°
WNW
295°
WNW
295°
WNW
295°
WNW
295°
WNW
296°
WNW
Period17.6 sec.17.5 sec.17.4 sec.17.2 sec.16.9 sec.16.2 sec.15.8 sec.15.6 sec.
Significant height0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)0.9m (3ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 07:43 and will set at 17:16 on the beach(es) of Sesimbra. The outside temperature will be a high of 61°F t and a low of 58°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 23mph km/h (with gusts up to 32.3mph). Wave height will be up to 14.1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (59°F)15°C (58°F)15°C (58°F)14°C (58°F)15°C (59°F)16°C (60°F)14°C (57°F)14°C (57°F)
Perceived temperature15°C (59°F)13°C (56°F)13°C (55°F)13°C (55°F)13°C (56°F)16°C (60°F)12°C (54°F)12°C (54°F)
Precipitation0.2in0in0in0in0in0in0in0in
Humidity94%88%83%82%75%72%76%77%
Barometric pressure1015 hPa1016 hPa1017 hPa1019 hPa1020 hPa1019 hPa1020 hPa1021 hPa
Cloud cover100%100%56%100%20%37%17%52%
Heat index15°C (59°F)15°C (58°F)15°C (58°F)14°C (58°F)15°C (59°F)16°C (60°F)14°C (57°F)14°C (57°F)
Dew point14°C (57°F)13°C (55°F)12°C (53°F)11°C (52°F)10°C (51°F)11°C (51°F)10°C (50°F)10°C (50°F)
Wind
Speed37km/h (23mph)20km/h (12mph)21km/h (13mph)18km/h (11mph)21km/h (13mph)22km/h (14mph)19km/h (12mph)17km/h (11mph)
Gusts52km/h (32mph)28km/h (17mph)30km/h (19mph)26km/h (16mph)31km/h (20mph)34km/h (21mph)33km/h (21mph)26km/h (16mph)
Direction 235°
SW
344°
NNW

N
11°
NNE
356°
N
352°
N

N

N
Wind chill15°C (59°F)13°C (56°F)13°C (55°F)13°C (55°F)13°C (56°F)16°C (60°F)12°C (54°F)12°C (54°F)
Waves
Height3.8m (12.6ft)4.3m (14.0ft)4.1m (13.5ft)3.8m (12.5ft)3.5m (11.5ft)3.2m (10.6ft)3.0m (9.9ft)2.8m (9.3ft)
Direction 294°
WNW
289°
WNW
289°
WNW
290°
WNW
293°
WNW
288°
WNW
292°
WNW
287°
WNW
Period15.6 sec.15.2 sec.15.2 sec.14.5 sec.14.2 sec.13.3 sec.13.1 sec.12.6 sec.
Significant height1.3m (4.3ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.5m (1.6ft)
Sea water temperature
Water temperature14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)14°C (58°F)

Sea weather on Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 07:44 and will set at 17:16 on the beach(es) of Sesimbra. The outside temperature will be a high of 59°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 10.6mph km/h (with gusts up to 16.8mph). Wave height will be up to 8.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (55°F)13°C (55°F)13°C (56°F)14°C (58°F)15°C (58°F)14°C (57°F)14°C (57°F)15°C (59°F)
Perceived temperature11°C (52°F)12°C (53°F)13°C (55°F)14°C (57°F)14°C (57°F)13°C (56°F)13°C (56°F)14°C (57°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%88%90%88%85%79%76%74%
Barometric pressure1020 hPa1019 hPa1018 hPa1019 hPa1019 hPa1018 hPa1018 hPa1018 hPa
Cloud cover13%20%100%100%78%17%40%48%
Heat index13°C (55°F)13°C (55°F)13°C (56°F)14°C (58°F)15°C (58°F)14°C (57°F)14°C (57°F)15°C (59°F)
Dew point10°C (50°F)11°C (52°F)12°C (53°F)12°C (54°F)12°C (54°F)10°C (51°F)10°C (50°F)10°C (50°F)
Wind
Speed17km/h (11mph)13km/h (8mph)8km/h (5mph)10km/h (6mph)10km/h (6mph)10km/h (6mph)10km/h (6mph)15km/h (9mph)
Gusts27km/h (17mph)21km/h (13mph)12km/h (7mph)14km/h (9mph)15km/h (9mph)16km/h (10mph)17km/h (11mph)23km/h (14mph)
Direction 59°
ENE
71°
ENE
121°
ESE
139°
SE
244°
WSW
235°
SW
197°
SSW
182°
S
Wind chill11°C (52°F)12°C (53°F)13°C (55°F)14°C (57°F)14°C (57°F)13°C (56°F)13°C (56°F)14°C (57°F)
Waves
Height2.7m (8.8ft)2.5m (8.3ft)2.4m (7.8ft)2.2m (7.2ft)2.0m (6.7ft)1.9m (6.4ft)2.0m (6.5ft)2.1m (7.0ft)
Direction 289°
WNW
289°
WNW
289°
WNW
290°
WNW
291°
WNW
294°
WNW
295°
WNW
293°
WNW
Period12.2 sec.12.1 sec.12.0 sec.11.9 sec.11.8 sec.11.8 sec.11.8 sec.11.7 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.4m (1.3ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.9m (3ft)
Sea water temperature
Water temperature16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)16°C (61°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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