Sea weather in Cascais in Portugal All the beach weather in Cascais

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

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

Date Outside temp. Our opinion
Friday 29 March 202452°F to 56°Fdiscouraged
Saturday 30 March 202450°F to 56°Fdiscouraged
Sunday 31 March 202452°F to 58°Fnot recommended
Monday 1 April 202454°F to 58°Fdiscouraged
Tuesday 2 April 202456°F to 61°Fdiscouraged
Wednesday 3 April 202459°F to 63°Fdiscouraged
Thursday 4 April 202458°F to 63°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Cascais

Sea weather on Friday 29 March 2024

On Friday 29 March 2024, the sun will rise at 06:26 and will set at 18:59 on the beach(es) of Cascais. The outside temperature will be a high of 56°F t and a low of 52°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 16.8mph km/h (with gusts up to 24.2mph). Wave height will be up to 18.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (53°F)11°C (51°F)11°C (52°F)13°C (55°F)13°C (55°F)13°C (55°F)12°C (53°F)11°C (52°F)
Perceived temperature9°C (48°F)8°C (46°F)9°C (48°F)11°C (52°F)11°C (51°F)11°C (51°F)9°C (48°F)9°C (48°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%76%66%59%68%73%78%78%
Barometric pressure999 hPa999 hPa998 hPa998 hPa999 hPa997 hPa997 hPa997 hPa
Cloud cover87%100%88%77%75%68%78%88%
Heat index11°C (53°F)11°C (51°F)11°C (52°F)13°C (55°F)13°C (55°F)13°C (55°F)12°C (53°F)11°C (52°F)
Dew point7°C (45°F)7°C (44°F)5°C (41°F)5°C (41°F)7°C (45°F)8°C (47°F)8°C (47°F)7°C (45°F)
Wind
Speed27km/h (17mph)24km/h (15mph)18km/h (11mph)18km/h (11mph)24km/h (15mph)27km/h (17mph)24km/h (15mph)18km/h (11mph)
Gusts39km/h (24mph)36km/h (22mph)29km/h (18mph)24km/h (15mph)31km/h (19mph)39km/h (24mph)37km/h (23mph)28km/h (18mph)
Direction 253°
WSW
258°
WSW
275°
W
267°
W
227°
SW
223°
SW
224°
SW
305°
NW
Wind chill9°C (48°F)8°C (46°F)9°C (48°F)11°C (52°F)11°C (51°F)11°C (51°F)9°C (48°F)9°C (48°F)
Waves
Height5.7m (18.7ft)5.3m (17.3ft)4.9m (16.2ft)4.6m (15.2ft)4.5m (14.7ft)4.5m (14.8ft)4.4m (14.4ft)4.2m (13.9ft)
Direction 307°
NW
306°
NW
305°
NW
305°
NW
305°
NW
306°
NW
305°
NW
304°
WNW
Period15.8 sec.15.5 sec.15.5 sec.15.5 sec.14.9 sec.14.6 sec.14.5 sec.14.4 sec.
Significant height0.9m (3ft)1.0m (3.3ft)0.7m (2.3ft)0.8m (2.6ft)1.1m (3.6ft)1.1m (3.6ft)0.6m (2ft)0.4m (1.3ft)
Sea water temperature
Water temperature15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)

Sea weather on Saturday 30 March 2024

On Saturday 30 March 2024, the sun will rise at 06:25 and will set at 19:00 on the beach(es) of Cascais. The outside temperature will be a high of 56°F t and a low of 50°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 24.2mph km/h (with gusts up to 32.3mph). Wave height will be up to 13.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (52°F)10°C (51°F)11°C (51°F)12°C (53°F)13°C (55°F)13°C (55°F)12°C (54°F)12°C (54°F)
Perceived temperature9°C (48°F)8°C (47°F)8°C (47°F)9°C (49°F)10°C (50°F)10°C (50°F)9°C (49°F)9°C (49°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity73%76%78%75%72%77%78%87%
Barometric pressure997 hPa997 hPa995 hPa995 hPa995 hPa993 hPa993 hPa991 hPa
Cloud cover53%50%65%90%53%87%84%71%
Heat index11°C (52°F)10°C (51°F)11°C (51°F)12°C (53°F)13°C (55°F)13°C (55°F)12°C (54°F)12°C (54°F)
Dew point6°C (43°F)6°C (43°F)7°C (45°F)8°C (46°F)8°C (46°F)9°C (48°F)9°C (47°F)10°C (50°F)
Wind
Speed18km/h (11mph)17km/h (11mph)20km/h (13mph)22km/h (13mph)27km/h (17mph)35km/h (22mph)34km/h (21mph)39km/h (24mph)
Gusts29km/h (18mph)28km/h (17mph)31km/h (20mph)30km/h (18mph)34km/h (21mph)48km/h (30mph)52km/h (32mph)40km/h (25mph)
Direction 294°
WNW
244°
WSW
236°
SW
228°
SW
224°
SW
228°
SW
231°
SW
205°
SSW
Wind chill9°C (48°F)8°C (47°F)8°C (47°F)9°C (49°F)10°C (50°F)10°C (50°F)9°C (49°F)9°C (49°F)
Waves
Height4.1m (13.3ft)3.8m (12.6ft)3.7m (12.1ft)3.6m (11.8ft)3.4m (11.3ft)3.4m (11.1ft)3.4m (11.0ft)3.8m (12.6ft)
Direction 303°
WNW
303°
WNW
305°
NW
304°
WNW
306°
NW
306°
NW
305°
NW
303°
WNW
Period14.2 sec.14.1 sec.14.0 sec.13.7 sec.13.2 sec.13.0 sec.12.5 sec.12.5 sec.
Significant height0.4m (1.3ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.9m (3ft)1.2m (3.9ft)1.2m (3.9ft)2.2m (7.2ft)
Sea water temperature
Water temperature15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)

Sea weather on Sunday 31 March 2024

On Sunday 31 March 2024, the sun will rise at 06:23 and will set at 19:01 on the beach(es) of Cascais. The outside temperature will be a high of 58°F t and a low of 52°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 28mph km/h (with gusts up to 34.2mph). Wave height will be up to 17.1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature12°C (53°F)11°C (52°F)11°C (52°F)12°C (54°F)14°C (57°F)13°C (56°F)12°C (54°F)12°C (54°F)
Perceived temperature9°C (47°F)7°C (45°F)7°C (45°F)9°C (49°F)11°C (53°F)11°C (51°F)10°C (49°F)10°C (49°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%74%73%61%60%68%73%74%
Barometric pressure990 hPa992 hPa996 hPa999 hPa1002 hPa1003 hPa1005 hPa1008 hPa
Cloud cover66%100%87%71%76%78%52%51%
Heat index12°C (53°F)11°C (52°F)11°C (52°F)12°C (54°F)14°C (57°F)13°C (56°F)12°C (54°F)12°C (54°F)
Dew point8°C (47°F)7°C (44°F)6°C (43°F)5°C (41°F)6°C (43°F)8°C (46°F)8°C (46°F)8°C (46°F)
Wind
Speed38km/h (24mph)45km/h (28mph)39km/h (24mph)34km/h (21mph)31km/h (19mph)36km/h (22mph)30km/h (19mph)27km/h (17mph)
Gusts55km/h (34mph)51km/h (32mph)41km/h (25mph)52km/h (32mph)41km/h (26mph)49km/h (30mph)48km/h (30mph)43km/h (27mph)
Direction 260°
W
275°
W
285°
WNW
270°
W
257°
WSW
258°
WSW
266°
W
270°
W
Wind chill9°C (47°F)7°C (45°F)7°C (45°F)9°C (49°F)11°C (53°F)11°C (51°F)10°C (49°F)10°C (49°F)
Waves
Height4.2m (13.8ft)5.0m (16.4ft)5.2m (16.9ft)5.1m (16.7ft)4.6m (15.3ft)4.2m (13.9ft)4.0m (13.2ft)3.9m (12.9ft)
Direction 251°
WSW
259°
W
272°
W
277°
W
279°
W
274°
W
274°
W
273°
W
Period8.8 sec.9.8 sec.10.4 sec.11.5 sec.10.3 sec.11.5 sec.11.0 sec.10.8 sec.
Significant height1.8m (5.9ft)2.0m (6.6ft)1.9m (6.2ft)1.5m (4.9ft)0.9m (3ft)1.4m (4.6ft)1.2m (3.9ft)1.0m (3.3ft)
Sea water temperature
Water temperature15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)

Sea weather on Monday 1 April 2024

On Monday 1 April 2024, the sun will rise at 07:22 and will set at 20:02 on the beach(es) of Cascais. The outside temperature will be a high of 58°F t and a low of 54°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 17.4mph km/h (with gusts up to 27.3mph). Wave height will be up to 12.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature12°C (54°F)12°C (53°F)12°C (54°F)14°C (56°F)14°C (57°F)14°C (57°F)13°C (56°F)13°C (56°F)
Perceived temperature9°C (49°F)9°C (49°F)10°C (50°F)12°C (53°F)13°C (55°F)13°C (55°F)12°C (54°F)12°C (54°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%77%76%71%65%66%74%83%
Barometric pressure1010 hPa1011 hPa1013 hPa1015 hPa1017 hPa1017 hPa1018 hPa1020 hPa
Cloud cover60%61%53%74%71%8%10%12%
Heat index12°C (54°F)12°C (53°F)12°C (54°F)14°C (56°F)14°C (57°F)14°C (57°F)13°C (56°F)13°C (56°F)
Dew point8°C (46°F)8°C (46°F)8°C (46°F)8°C (47°F)8°C (46°F)8°C (46°F)9°C (48°F)10°C (51°F)
Wind
Speed28km/h (18mph)27km/h (17mph)22km/h (14mph)22km/h (13mph)18km/h (11mph)18km/h (11mph)14km/h (9mph)14km/h (9mph)
Gusts44km/h (27mph)42km/h (26mph)36km/h (22mph)29km/h (18mph)25km/h (16mph)27km/h (17mph)25km/h (15mph)23km/h (14mph)
Direction 264°
W
264°
W
266°
W
263°
W
251°
WSW
242°
WSW
213°
SSW
182°
S
Wind chill9°C (49°F)9°C (49°F)10°C (50°F)12°C (53°F)13°C (55°F)13°C (55°F)12°C (54°F)12°C (54°F)
Waves
Height3.8m (12.4ft)3.6m (11.8ft)3.4m (11.1ft)3.2m (10.4ft)3.0m (9.7ft)2.8m (9.1ft)2.6m (8.5ft)2.5m (8.1ft)
Direction 273°
W
275°
W
280°
W
284°
WNW
288°
WNW
293°
WNW
296°
WNW
300°
WNW
Period10.8 sec.10.6 sec.10.6 sec.10.7 sec.10.9 sec.10.9 sec.10.8 sec.10.7 sec.
Significant height1.4m (4.6ft)1.4m (4.6ft)0.4m (1.3ft)1.4m (4.6ft)0.4m (1.3ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)

Sea weather on Tuesday 2 April 2024

On Tuesday 2 April 2024, the sun will rise at 07:21 and will set at 20:02 on the beach(es) of Cascais. The outside temperature will be a high of 61°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 17.4mph km/h (with gusts up to 26.7mph). Wave height will be up to 7.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (56°F)13°C (56°F)14°C (56°F)14°C (57°F)16°C (60°F)15°C (59°F)15°C (58°F)15°C (58°F)
Perceived temperature12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)16°C (60°F)15°C (59°F)13°C (55°F)13°C (55°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%90%89%88%81%84%91%96%
Barometric pressure1019 hPa1019 hPa1019 hPa1019 hPa1020 hPa1018 hPa1018 hPa1020 hPa
Cloud cover57%61%100%40%100%98%100%100%
Heat index13°C (56°F)13°C (56°F)14°C (56°F)14°C (57°F)16°C (60°F)15°C (59°F)15°C (58°F)15°C (58°F)
Dew point11°C (52°F)11°C (53°F)12°C (53°F)12°C (53°F)12°C (54°F)13°C (55°F)13°C (55°F)14°C (57°F)
Wind
Speed17km/h (11mph)16km/h (10mph)21km/h (13mph)25km/h (16mph)28km/h (18mph)27km/h (17mph)28km/h (17mph)24km/h (15mph)
Gusts28km/h (18mph)26km/h (16mph)32km/h (20mph)37km/h (23mph)38km/h (24mph)39km/h (24mph)43km/h (27mph)36km/h (22mph)
Direction 168°
SSE
161°
SSE
161°
SSE
158°
SSE
181°
S
188°
S
197°
SSW
199°
SSW
Wind chill12°C (53°F)12°C (53°F)12°C (53°F)12°C (53°F)16°C (60°F)15°C (59°F)13°C (55°F)13°C (55°F)
Waves
Height2.4m (7.9ft)2.4m (7.8ft)2.3m (7.6ft)2.3m (7.6ft)2.3m (7.7ft)2.4m (7.8ft)2.4m (8.0ft)2.4m (7.8ft)
Direction 303°
WNW
306°
NW
308°
NW
309°
NW
308°
NW
299°
WNW
291°
WNW
286°
WNW
Period10.8 sec.11.0 sec.11.0 sec.10.9 sec.10.7 sec.8.2 sec.11.0 sec.9.3 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)1.7m (5.6ft)0.4m (1.3ft)
Sea water temperature
Water temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)

Sea weather on Wednesday 3 April 2024

On Wednesday 3 April 2024, the sun will rise at 07:19 and will set at 20:03 on the beach(es) of Cascais. 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 14.3mph km/h (with gusts up to 20.5mph). Wave height will be up to 8.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (58°F)15°C (58°F)15°C (59°F)15°C (60°F)17°C (62°F)17°C (62°F)16°C (60°F)15°C (59°F)
Perceived temperature13°C (56°F)14°C (56°F)14°C (57°F)15°C (60°F)17°C (62°F)17°C (62°F)16°C (60°F)14°C (57°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity97%97%97%96%87%88%90%95%
Barometric pressure1019 hPa1018 hPa1017 hPa1019 hPa1018 hPa1017 hPa1016 hPa1017 hPa
Cloud cover100%100%100%70%76%56%35%45%
Heat index15°C (58°F)15°C (58°F)15°C (59°F)15°C (60°F)17°C (62°F)17°C (62°F)16°C (60°F)15°C (59°F)
Dew point14°C (57°F)14°C (58°F)14°C (58°F)15°C (58°F)15°C (58°F)15°C (58°F)14°C (57°F)14°C (57°F)
Wind
Speed22km/h (13mph)17km/h (11mph)13km/h (8mph)17km/h (11mph)19km/h (12mph)23km/h (14mph)19km/h (12mph)15km/h (9mph)
Gusts33km/h (20mph)26km/h (16mph)20km/h (12mph)27km/h (17mph)28km/h (17mph)33km/h (21mph)31km/h (19mph)26km/h (16mph)
Direction 194°
SSW
195°
SSW
188°
S
186°
S
196°
SSW
193°
SSW
197°
SSW
177°
S
Wind chill13°C (56°F)14°C (56°F)14°C (57°F)15°C (60°F)17°C (62°F)17°C (62°F)16°C (60°F)14°C (57°F)
Waves
Height2.3m (7.4ft)2.1m (6.9ft)2.0m (6.5ft)1.9m (6.3ft)2.2m (7.1ft)2.5m (8.2ft)2.5m (8.3ft)2.4m (7.9ft)
Direction 278°
W
277°
W
276°
W
275°
W
275°
W
285°
WNW
280°
W
277°
W
Period9.3 sec.9.2 sec.9.1 sec.9.1 sec.9.1 sec.12.8 sec.12.8 sec.12.8 sec.
Significant height0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.2m (0.7ft)0.2m (0.7ft)0.5m (1.6ft)
Sea water temperature
Water temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)

Sea weather on Thursday 4 April 2024

On Thursday 4 April 2024, the sun will rise at 07:17 and will set at 20:04 on the beach(es) of Cascais. 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 20.5mph km/h (with gusts up to 28mph). Wave height will be up to 7.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (59°F)15°C (58°F)14°C (57°F)16°C (60°F)17°C (62°F)16°C (61°F)15°C (59°F)14°C (57°F)
Perceived temperature14°C (57°F)13°C (56°F)13°C (55°F)16°C (60°F)17°C (62°F)16°C (61°F)15°C (59°F)13°C (55°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity94%94%94%85%76%77%89%94%
Barometric pressure1016 hPa1013 hPa1012 hPa1011 hPa1010 hPa1008 hPa1009 hPa1010 hPa
Cloud cover76%32%31%10%38%87%65%64%
Heat index15°C (59°F)15°C (58°F)14°C (57°F)16°C (60°F)17°C (62°F)16°C (61°F)15°C (59°F)14°C (57°F)
Dew point14°C (57°F)14°C (56°F)13°C (56°F)13°C (56°F)13°C (55°F)12°C (54°F)13°C (56°F)13°C (55°F)
Wind
Speed17km/h (10mph)16km/h (10mph)18km/h (11mph)27km/h (17mph)30km/h (19mph)33km/h (21mph)33km/h (20mph)10km/h (6mph)
Gusts28km/h (17mph)27km/h (17mph)32km/h (20mph)39km/h (24mph)45km/h (28mph)37km/h (23mph)40km/h (25mph)16km/h (10mph)
Direction 174°
S
164°
SSE
148°
SSE
153°
SSE
176°
S
190°
S
196°
SSW
194°
SSW
Wind chill14°C (57°F)13°C (56°F)13°C (55°F)16°C (60°F)17°C (62°F)16°C (61°F)15°C (59°F)13°C (55°F)
Waves
Height2.2m (7.3ft)2.0m (6.7ft)1.9m (6.2ft)1.8m (5.8ft)1.7m (5.5ft)1.6m (5.2ft)1.5m (5.1ft)1.5m (5.0ft)
Direction 277°
W
276°
W
278°
W
278°
W
279°
W
280°
W
280°
W
281°
WNW
Period12.0 sec.11.7 sec.11.5 sec.10.9 sec.10.7 sec.10.6 sec.10.5 sec.10.4 sec.
Significant height0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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