Sea weather in Castelldefels in Spain All the beach weather in Castelldefels

All the essential weather information for enjoying the beach in Castelldefels in Spain, 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 Castelldefels over the next 7 days?

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

Date Outside temp. Our opinion
Sunday 19 July 202679°F to 86°Frecommended
Monday 20 July 202679°F to 86°Frecommended
Tuesday 21 July 202679°F to 86°Frecommended
Wednesday 22 July 202679°F to 86°Frecommended
Thursday 23 July 202681°F to 86°Frecommended
Friday 24 July 202679°F to 85°Frecommended
Saturday 25 July 202677°F to 83°Frecommended

Sea Weather: Your daily and hourly sea weather in Castelldefels

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 06:34 and will set at 21:21 on the beach(es) of Castelldefels. The outside temperature will be a high of 86°F t and a low of 79°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 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (79°F)27°C (80°F)30°C (86°F)29°C (85°F)29°C (84°F)29°C (83°F)27°C (81°F)
Perceived temperature29°C (84°F)28°C (83°F)29°C (84°F)31°C (89°F)30°C (87°F)30°C (86°F)30°C (86°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%70%65%52%51%53%54%60%
Barometric pressure1012 hPa1013 hPa1013 hPa1013 hPa1014 hPa1014 hPa1012 hPa1013 hPa
Cloud cover9%13%46%44%26%50%23%7%
Heat index29°C (84°F)28°C (83°F)29°C (84°F)31°C (89°F)30°C (87°F)30°C (86°F)30°C (86°F)29°C (84°F)
Dew point20°C (69°F)20°C (69°F)20°C (68°F)19°C (66°F)18°C (64°F)18°C (65°F)18°C (65°F)19°C (66°F)
Wind
Speed5km/h (3mph)3km/h (2mph)7km/h (4mph)12km/h (7mph)15km/h (9mph)13km/h (8mph)5km/h (3mph)5km/h (3mph)
Gusts7km/h (4mph)4km/h (2mph)10km/h (6mph)16km/h (10mph)20km/h (13mph)16km/h (10mph)8km/h (5mph)8km/h (5mph)
Direction 82°
E
196°
SSW
19°
NNE
93°
E
145°
SE
151°
SSE
98°
E
323°
NW
Wind chill27°C (80°F)26°C (79°F)27°C (80°F)30°C (86°F)29°C (85°F)29°C (84°F)29°C (83°F)27°C (81°F)
Waves
Height0.2m (0.7ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.8ft)0.3m (0.9ft)0.3m (1.0ft)0.3m (0.9ft)0.2m (0.8ft)
Direction 136°
SE
141°
SE
148°
SSE
153°
SSE
151°
SSE
138°
SE
131°
SE
120°
ESE
Period3.1 sec.3.1 sec.3.1 sec.3.2 sec.3.3 sec.3.2 sec.3.2 sec.3.1 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 06:35 and will set at 21:20 on the beach(es) of Castelldefels. The outside temperature will be a high of 86°F t and a low of 79°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 8.7mph km/h (with gusts up to 18mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (81°F)26°C (79°F)27°C (80°F)30°C (85°F)27°C (80°F)28°C (82°F)29°C (85°F)29°C (83°F)
Perceived temperature28°C (83°F)28°C (82°F)28°C (82°F)31°C (87°F)27°C (81°F)29°C (84°F)32°C (90°F)31°C (88°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity60%63%61%49%50%53%60%62%
Barometric pressure1013 hPa1013 hPa1015 hPa1014 hPa1014 hPa1014 hPa1013 hPa1014 hPa
Cloud cover9%0%0%3%6%4%17%46%
Heat index28°C (83°F)28°C (82°F)28°C (82°F)31°C (87°F)27°C (81°F)29°C (84°F)32°C (90°F)31°C (88°F)
Dew point19°C (66°F)19°C (66°F)18°C (65°F)18°C (64°F)15°C (59°F)18°C (64°F)21°C (69°F)21°C (69°F)
Wind
Speed6km/h (4mph)0km/h (0mph)6km/h (4mph)7km/h (4mph)14km/h (9mph)10km/h (6mph)13km/h (8mph)4km/h (3mph)
Gusts9km/h (6mph)1km/h (0mph)8km/h (5mph)9km/h (6mph)29km/h (18mph)18km/h (11mph)17km/h (11mph)7km/h (4mph)
Direction 118°
ESE
180°
S
42°
NE
105°
ESE
146°
SSE
170°
S
197°
SSW
228°
SW
Wind chill27°C (81°F)26°C (79°F)27°C (80°F)30°C (85°F)27°C (80°F)28°C (82°F)29°C (85°F)29°C (83°F)
Waves
Height0.2m (0.7ft)0.1m (0.5ft)0.1m (0.4ft)0.1m (0.5ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.7ft)0.2m (0.6ft)
Direction 119°
ESE
118°
ESE
117°
ESE
115°
ESE
100°
E
102°
ESE
99°
E
98°
E
Period3.1 sec.2.9 sec.2.8 sec.2.8 sec.2.8 sec.2.6 sec.3.0 sec.3.0 sec.
Significant height0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 06:36 and will set at 21:19 on the beach(es) of Castelldefels. The outside temperature will be a high of 86°F t and a low of 79°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 13.7mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (83°F)27°C (80°F)27°C (80°F)30°C (85°F)30°C (86°F)27°C (81°F)28°C (82°F)28°C (82°F)
Perceived temperature30°C (86°F)29°C (85°F)29°C (84°F)31°C (89°F)31°C (88°F)28°C (82°F)28°C (83°F)29°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity58%73%73%55%49%48%53%49%
Barometric pressure1013 hPa1014 hPa1016 hPa1016 hPa1016 hPa1016 hPa1016 hPa1016 hPa
Cloud cover6%5%26%44%16%5%16%10%
Heat index30°C (86°F)29°C (85°F)29°C (84°F)31°C (89°F)31°C (88°F)28°C (82°F)28°C (83°F)29°C (83°F)
Dew point19°C (67°F)22°C (71°F)21°C (71°F)19°C (67°F)18°C (64°F)15°C (60°F)17°C (63°F)16°C (61°F)
Wind
Speed5km/h (3mph)5km/h (3mph)10km/h (6mph)11km/h (7mph)15km/h (9mph)11km/h (7mph)10km/h (6mph)5km/h (3mph)
Gusts10km/h (6mph)8km/h (5mph)14km/h (9mph)15km/h (9mph)22km/h (14mph)20km/h (12mph)14km/h (8mph)9km/h (6mph)
Direction 161°
SSE
197°
SSW
32°
NNE
105°
ESE
127°
SE
128°
SE
126°
SE
75°
ENE
Wind chill28°C (83°F)27°C (80°F)27°C (80°F)30°C (85°F)30°C (86°F)27°C (81°F)28°C (82°F)28°C (82°F)
Waves
Height0.2m (0.5ft)0.1m (0.4ft)0.1m (0.4ft)0.2m (0.6ft)0.4m (1.3ft)0.5m (1.7ft)0.5m (1.6ft)0.4m (1.4ft)
Direction 107°
ESE
125°
SE
154°
SSE
81°
E
82°
E
85°
E
85°
E
80°
E
Period3.0 sec.2.9 sec.4.1 sec.2.8 sec.3.0 sec.4.1 sec.4.1 sec.4.3 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)0.5m (1.6ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 06:37 and will set at 21:19 on the beach(es) of Castelldefels. The outside temperature will be a high of 86°F t and a low of 79°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 18mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (82°F)27°C (81°F)27°C (80°F)29°C (84°F)29°C (84°F)26°C (79°F)26°C (80°F)28°C (82°F)
Perceived temperature28°C (83°F)28°C (82°F)28°C (82°F)30°C (85°F)29°C (84°F)27°C (80°F)27°C (81°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity51%48%55%44%43%48%50%47%
Barometric pressure1016 hPa1014 hPa1016 hPa1016 hPa1016 hPa1015 hPa1014 hPa1016 hPa
Cloud cover7%5%18%45%28%9%9%26%
Heat index28°C (83°F)28°C (82°F)28°C (82°F)30°C (85°F)29°C (84°F)27°C (80°F)27°C (81°F)28°C (83°F)
Dew point17°C (62°F)16°C (60°F)17°C (63°F)16°C (60°F)15°C (59°F)14°C (57°F)15°C (59°F)16°C (60°F)
Wind
Speed3km/h (2mph)10km/h (6mph)5km/h (3mph)11km/h (7mph)15km/h (10mph)17km/h (10mph)9km/h (6mph)9km/h (6mph)
Gusts5km/h (3mph)19km/h (12mph)8km/h (5mph)15km/h (9mph)20km/h (13mph)29km/h (18mph)14km/h (9mph)15km/h (9mph)
Direction 256°
WSW
59°
ENE
118°
ESE
101°
E
117°
ESE
111°
ESE
104°
ESE
223°
SW
Wind chill28°C (82°F)27°C (81°F)27°C (80°F)29°C (84°F)29°C (84°F)26°C (79°F)26°C (80°F)28°C (82°F)
Waves
Height0.3m (1.1ft)0.3m (1.0ft)0.3m (0.9ft)0.3m (1.0ft)0.3m (1.0ft)0.4m (1.2ft)0.4m (1.3ft)0.4m (1.2ft)
Direction 108°
ESE
119°
ESE
120°
ESE
108°
ESE
102°
ESE
99°
E
100°
E
101°
E
Period3.5 sec.3.2 sec.3.2 sec.6.2 sec.5.8 sec.6.5 sec.6.2 sec.3.4 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 06:38 and will set at 21:18 on the beach(es) of Castelldefels. The outside temperature will be a high of 86°F t and a low of 81°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 17.4mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (83°F)27°C (81°F)27°C (80°F)29°C (84°F)27°C (80°F)27°C (81°F)29°C (83°F)29°C (84°F)
Perceived temperature29°C (83°F)28°C (82°F)28°C (82°F)30°C (86°F)27°C (80°F)27°C (81°F)28°C (83°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity42%53%59%50%40%40%38%39%
Barometric pressure1012 hPa1012 hPa1013 hPa1014 hPa1013 hPa1013 hPa1013 hPa1014 hPa
Cloud cover2%8%10%6%0%0%0%0%
Heat index29°C (83°F)28°C (82°F)28°C (82°F)30°C (86°F)27°C (80°F)27°C (81°F)28°C (83°F)29°C (84°F)
Dew point14°C (58°F)17°C (62°F)18°C (64°F)17°C (63°F)12°C (53°F)12°C (54°F)13°C (55°F)14°C (57°F)
Wind
Speed9km/h (6mph)12km/h (7mph)8km/h (5mph)6km/h (4mph)13km/h (8mph)15km/h (9mph)9km/h (6mph)10km/h (6mph)
Gusts20km/h (12mph)21km/h (13mph)13km/h (8mph)8km/h (5mph)28km/h (17mph)26km/h (16mph)15km/h (10mph)17km/h (10mph)
Direction 344°
NNW
251°
WSW
60°
ENE
127°
SE
132°
SE
135°
SE
219°
SW
266°
W
Wind chill29°C (83°F)27°C (81°F)27°C (80°F)29°C (84°F)27°C (80°F)27°C (81°F)29°C (83°F)29°C (84°F)
Waves
Height0.3m (1.1ft)0.3m (0.9ft)0.2m (0.8ft)0.3m (1.1ft)0.4m (1.4ft)0.5m (1.6ft)0.4m (1.4ft)0.3m (1.1ft)
Direction 108°
ESE
113°
ESE
77°
ENE
75°
ENE
75°
ENE
76°
ENE
75°
ENE
75°
ENE
Period3.8 sec.3.3 sec.3.2 sec.6.9 sec.6.5 sec.6.1 sec.3.3 sec.3.2 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.4m (1.3ft)0.3m (1ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 06:38 and will set at 21:17 on the beach(es) of Castelldefels. The outside temperature will be a high of 85°F t and a low of 79°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 19.9mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (83°F)27°C (80°F)27°C (80°F)29°C (84°F)26°C (79°F)27°C (81°F)27°C (80°F)27°C (80°F)
Perceived temperature28°C (82°F)27°C (80°F)27°C (81°F)29°C (84°F)27°C (80°F)27°C (81°F)27°C (81°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity36%47%50%43%43%44%49%53%
Barometric pressure1015 hPa1015 hPa1016 hPa1017 hPa1016 hPa1015 hPa1014 hPa1015 hPa
Cloud cover0%0%0%0%0%0%0%0%
Heat index28°C (82°F)27°C (80°F)27°C (81°F)29°C (84°F)27°C (80°F)27°C (81°F)27°C (81°F)27°C (81°F)
Dew point12°C (53°F)14°C (57°F)15°C (60°F)15°C (59°F)13°C (55°F)14°C (56°F)15°C (60°F)16°C (61°F)
Wind
Speed5km/h (3mph)7km/h (4mph)4km/h (2mph)11km/h (7mph)20km/h (13mph)18km/h (11mph)12km/h (7mph)6km/h (4mph)
Gusts9km/h (6mph)12km/h (8mph)5km/h (3mph)14km/h (9mph)25km/h (15mph)32km/h (20mph)18km/h (11mph)9km/h (6mph)
Direction 356°
N
97°
E
142°
SE
201°
SSW
194°
SSW
189°
S
166°
SSE
207°
SSW
Wind chill28°C (83°F)27°C (80°F)27°C (80°F)29°C (84°F)26°C (79°F)27°C (81°F)27°C (80°F)27°C (80°F)
Waves
Height0.3m (0.9ft)0.3m (0.9ft)0.3m (1.0ft)0.3m (0.9ft)0.3m (1.0ft)0.3m (1.1ft)0.3m (1.1ft)0.3m (1.0ft)
Direction 74°
ENE
73°
ENE
94°
E
103°
ESE
54°
NE
53°
NE
54°
NE
60°
ENE
Period3.1 sec.5.1 sec.2.9 sec.3.1 sec.3.1 sec.6.7 sec.6.1 sec.5.4 sec.
Significant height0.2m (0.7ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Saturday 25 July 2026

On Saturday 25 July 2026, the sun will rise at 06:39 and will set at 21:16 on the beach(es) of Castelldefels. The outside temperature will be a high of 83°F t and a low of 77°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 16.8mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (79°F)26°C (79°F)28°C (82°F)25°C (77°F)26°C (79°F)27°C (80°F)26°C (79°F)
Perceived temperature28°C (82°F)27°C (80°F)27°C (80°F)28°C (83°F)26°C (78°F)27°C (80°F)28°C (82°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity54%54%50%47%53%50%57%66%
Barometric pressure1014 hPa1013 hPa1013 hPa1013 hPa1013 hPa1012 hPa1013 hPa1014 hPa
Cloud cover0%0%0%0%0%3%1%2%
Heat index28°C (82°F)27°C (80°F)27°C (80°F)28°C (83°F)26°C (78°F)27°C (80°F)28°C (82°F)28°C (82°F)
Dew point17°C (62°F)16°C (61°F)15°C (59°F)16°C (60°F)15°C (58°F)15°C (59°F)17°C (63°F)20°C (67°F)
Wind
Speed10km/h (6mph)10km/h (6mph)3km/h (2mph)8km/h (5mph)13km/h (8mph)13km/h (8mph)11km/h (7mph)11km/h (7mph)
Gusts15km/h (9mph)15km/h (10mph)5km/h (3mph)10km/h (6mph)27km/h (17mph)23km/h (14mph)16km/h (10mph)15km/h (9mph)
Direction 259°
W
288°
WNW
310°
NW
160°
SSE
160°
SSE
142°
SE
124°
SE
193°
SSW
Wind chill27°C (80°F)26°C (79°F)26°C (79°F)28°C (82°F)25°C (77°F)26°C (79°F)27°C (80°F)26°C (79°F)
Waves
Height0.3m (0.9ft)0.2m (0.7ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.8ft)0.4m (1.4ft)0.6m (1.9ft)0.5m (1.5ft)
Direction 64°
ENE
84°
E
106°
ESE
149°
SSE
83°
E
86°
E
87°
E
87°
E
Period4.9 sec.4.5 sec.4.0 sec.3.6 sec.3.5 sec.3.4 sec.5.8 sec.3.4 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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