Sea weather in Olhao in Portugal All the beach weather in Olhao

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

Discover the best moment to go to the beach in Olhao in Portugal this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Olhao. 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 65°Fdiscouraged
Saturday 6 December 202558°F to 61°Frecommended
Sunday 7 December 202554°F to 61°Frecommended
Monday 8 December 202552°F to 59°Frecommended
Tuesday 9 December 202558°F to 63°Frecommended
Wednesday 10 December 202559°F to 63°Fdiscouraged
Thursday 11 December 202561°F to 61°Frecommended

Sea Weather: Your daily and hourly sea weather in Olhao

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 07:30 and will set at 17:14 on the beach(es) of Olhao. The outside temperature will be a high of 65°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 16.2mph 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 temperature14°C (58°F)15°C (59°F)15°C (59°F)16°C (60°F)17°C (63°F)18°C (64°F)16°C (60°F)16°C (60°F)
Perceived temperature13°C (56°F)15°C (59°F)14°C (57°F)16°C (60°F)17°C (63°F)18°C (64°F)16°C (60°F)16°C (60°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%89%91%91%86%82%89%89%
Barometric pressure1023 hPa1022 hPa1022 hPa1024 hPa1024 hPa1023 hPa1024 hPa1025 hPa
Cloud cover21%35%33%58%86%76%20%16%
Heat index14°C (58°F)15°C (59°F)15°C (59°F)16°C (60°F)17°C (63°F)18°C (64°F)16°C (60°F)16°C (60°F)
Dew point12°C (54°F)13°C (56°F)14°C (56°F)14°C (58°F)15°C (58°F)15°C (58°F)14°C (57°F)14°C (57°F)
Wind
Speed15km/h (9mph)15km/h (9mph)18km/h (11mph)18km/h (11mph)21km/h (13mph)26km/h (16mph)19km/h (12mph)12km/h (8mph)
Gusts24km/h (15mph)24km/h (15mph)30km/h (18mph)28km/h (17mph)31km/h (20mph)40km/h (25mph)36km/h (22mph)21km/h (13mph)
Direction 276°
W
272°
W
280°
W
281°
W
271°
W
260°
W
274°
W
289°
WNW
Wind chill13°C (56°F)15°C (59°F)14°C (57°F)16°C (60°F)17°C (63°F)18°C (64°F)16°C (60°F)16°C (60°F)
Waves
Height1.0m (3.3ft)1.0m (3.2ft)1.0m (3.3ft)1.1m (3.7ft)1.3m (4.3ft)1.4m (4.7ft)1.4m (4.7ft)1.4m (4.6ft)
Direction 252°
WSW
252°
WSW
252°
WSW
252°
WSW
259°
WSW
258°
WSW
260°
W
260°
W
Period13.0 sec.13.0 sec.13.1 sec.13.4 sec.15.9 sec.16.2 sec.17.3 sec.17.2 sec.
Significant height0.3m (1ft)1.4m (4.6ft)1.4m (4.6ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.3m (1ft)
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 Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 07:31 and will set at 17:14 on the beach(es) of Olhao. The outside temperature will be a high of 61°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 6.2mph km/h (with gusts up to 10.6mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (59°F)15°C (59°F)15°C (58°F)15°C (59°F)16°C (61°F)16°C (60°F)15°C (59°F)16°C (61°F)
Perceived temperature15°C (59°F)15°C (58°F)15°C (58°F)15°C (60°F)16°C (61°F)16°C (60°F)15°C (58°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%89%87%82%77%81%90%83%
Barometric pressure1025 hPa1024 hPa1024 hPa1025 hPa1025 hPa1023 hPa1024 hPa1025 hPa
Cloud cover28%22%13%5%23%15%17%37%
Heat index15°C (59°F)15°C (59°F)15°C (58°F)15°C (59°F)16°C (61°F)16°C (60°F)15°C (59°F)16°C (61°F)
Dew point14°C (56°F)13°C (56°F)12°C (54°F)12°C (54°F)12°C (54°F)13°C (55°F)13°C (56°F)13°C (56°F)
Wind
Speed10km/h (6mph)8km/h (5mph)6km/h (4mph)5km/h (3mph)5km/h (3mph)7km/h (4mph)9km/h (6mph)8km/h (5mph)
Gusts17km/h (10mph)14km/h (9mph)11km/h (7mph)8km/h (5mph)7km/h (4mph)12km/h (7mph)17km/h (10mph)14km/h (9mph)
Direction 301°
WNW
308°
NW
340°
NNW
14°
NNE
164°
SSE
216°
SW
273°
W
348°
NNW
Wind chill15°C (59°F)15°C (58°F)15°C (58°F)15°C (60°F)16°C (61°F)16°C (60°F)15°C (58°F)16°C (61°F)
Waves
Height1.3m (4.3ft)1.2m (4.0ft)1.1m (3.6ft)1.0m (3.4ft)1.1m (3.5ft)1.3m (4.2ft)1.6m (5.2ft)1.7m (5.5ft)
Direction 257°
WSW
257°
WSW
257°
WSW
257°
WSW
258°
WSW
257°
WSW
255°
WSW
253°
WSW
Period16.6 sec.16.2 sec.16.1 sec.15.9 sec.15.7 sec.16.0 sec.17.3 sec.16.9 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)1.4m (4.6ft)1.3m (4.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 07:32 and will set at 17:14 on the beach(es) of Olhao. The outside temperature will be a high of 61°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 8.7mph km/h (with gusts up to 14.9mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (59°F)15°C (58°F)14°C (58°F)15°C (58°F)15°C (58°F)14°C (57°F)13°C (55°F)15°C (59°F)
Perceived temperature15°C (59°F)14°C (58°F)14°C (56°F)14°C (58°F)15°C (59°F)13°C (56°F)13°C (55°F)15°C (59°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%74%75%72%64%66%74%76%
Barometric pressure1025 hPa1024 hPa1023 hPa1025 hPa1024 hPa1023 hPa1023 hPa1024 hPa
Cloud cover26%18%3%0%0%0%2%3%
Heat index15°C (59°F)15°C (58°F)14°C (58°F)15°C (58°F)15°C (58°F)14°C (57°F)13°C (55°F)15°C (59°F)
Dew point11°C (52°F)10°C (50°F)10°C (50°F)10°C (49°F)8°C (46°F)7°C (45°F)8°C (47°F)11°C (51°F)
Wind
Speed14km/h (9mph)10km/h (6mph)11km/h (7mph)9km/h (5mph)5km/h (3mph)7km/h (4mph)5km/h (3mph)7km/h (4mph)
Gusts24km/h (15mph)19km/h (12mph)20km/h (12mph)14km/h (9mph)9km/h (6mph)15km/h (9mph)11km/h (7mph)12km/h (8mph)
Direction
N
21°
NNE
24°
NNE
29°
NNE
81°
E
175°
S
300°
WNW
328°
NNW
Wind chill15°C (59°F)14°C (58°F)14°C (56°F)14°C (58°F)15°C (59°F)13°C (56°F)13°C (55°F)15°C (59°F)
Waves
Height1.6m (5.3ft)1.5m (5.0ft)1.4m (4.7ft)1.3m (4.3ft)1.2m (4.0ft)1.1m (3.7ft)1.0m (3.3ft)1.0m (3.2ft)
Direction 250°
WSW
249°
WSW
249°
WSW
248°
WSW
247°
WSW
247°
WSW
246°
WSW
245°
WSW
Period16.0 sec.15.8 sec.15.6 sec.15.1 sec.14.7 sec.14.5 sec.14.3 sec.13.9 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)0.1m (0.3ft)0.1m (0.3ft)1.4m (4.6ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 07:33 and will set at 17:14 on the beach(es) of Olhao. The outside temperature will be a high of 59°F t and a low of 52°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 5.6mph km/h (with gusts up to 11.2mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (58°F)15°C (58°F)14°C (58°F)15°C (58°F)14°C (56°F)13°C (56°F)11°C (53°F)15°C (59°F)
Perceived temperature14°C (58°F)15°C (59°F)14°C (57°F)14°C (58°F)13°C (55°F)13°C (55°F)12°C (53°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%74%76%76%72%74%79%78%
Barometric pressure1023 hPa1022 hPa1022 hPa1023 hPa1023 hPa1022 hPa1022 hPa1023 hPa
Cloud cover2%0%0%0%0%0%0%2%
Heat index15°C (58°F)15°C (58°F)14°C (58°F)15°C (58°F)14°C (56°F)13°C (56°F)11°C (53°F)15°C (59°F)
Dew point10°C (50°F)10°C (50°F)10°C (50°F)10°C (51°F)9°C (48°F)9°C (48°F)8°C (46°F)11°C (52°F)
Wind
Speed7km/h (4mph)5km/h (3mph)7km/h (4mph)9km/h (6mph)9km/h (6mph)8km/h (5mph)3km/h (2mph)3km/h (2mph)
Gusts12km/h (8mph)8km/h (5mph)12km/h (7mph)14km/h (8mph)18km/h (11mph)16km/h (10mph)7km/h (4mph)6km/h (3mph)
Direction 342°
NNW
53°
NE
61°
ENE
53°
NE
99°
E
126°
SE
133°
SE
117°
ESE
Wind chill14°C (58°F)15°C (59°F)14°C (57°F)14°C (58°F)13°C (55°F)13°C (55°F)12°C (53°F)16°C (61°F)
Waves
Height0.9m (3.1ft)0.9m (3.1ft)0.9m (3.0ft)0.9m (3.0ft)0.9m (3.1ft)1.0m (3.4ft)1.3m (4.2ft)1.5m (5.1ft)
Direction 245°
WSW
244°
WSW
243°
WSW
240°
WSW
237°
WSW
236°
SW
253°
WSW
252°
WSW
Period13.4 sec.13.2 sec.13.1 sec.12.9 sec.12.4 sec.12.1 sec.20.8 sec.19.4 sec.
Significant height1.4m (4.6ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)0.9m (3ft)1.0m (3.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 07:33 and will set at 17:15 on the beach(es) of Olhao. 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 11.2mph km/h (with gusts up to 18.6mph). Wave height will be up to 6.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (59°F)15°C (58°F)15°C (59°F)16°C (61°F)15°C (59°F)14°C (58°F)14°C (58°F)17°C (62°F)
Perceived temperature16°C (60°F)15°C (59°F)14°C (58°F)16°C (61°F)14°C (57°F)13°C (56°F)13°C (56°F)17°C (62°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%77%76%76%72%73%85%86%
Barometric pressure1023 hPa1022 hPa1021 hPa1021 hPa1021 hPa1019 hPa1019 hPa1019 hPa
Cloud cover2%3%0%0%0%0%4%4%
Heat index15°C (59°F)15°C (58°F)15°C (59°F)16°C (61°F)15°C (59°F)14°C (58°F)14°C (58°F)17°C (62°F)
Dew point11°C (52°F)11°C (51°F)11°C (51°F)12°C (53°F)10°C (50°F)9°C (49°F)12°C (53°F)14°C (58°F)
Wind
Speed4km/h (2mph)5km/h (3mph)10km/h (6mph)13km/h (8mph)13km/h (8mph)13km/h (8mph)14km/h (9mph)18km/h (11mph)
Gusts6km/h (4mph)9km/h (5mph)17km/h (10mph)20km/h (12mph)26km/h (16mph)26km/h (16mph)30km/h (19mph)30km/h (19mph)
Direction 59°
ENE
62°
ENE
94°
E
110°
ESE
149°
SSE
166°
SSE
170°
S
187°
S
Wind chill16°C (60°F)15°C (59°F)14°C (58°F)16°C (61°F)14°C (57°F)13°C (56°F)13°C (56°F)17°C (62°F)
Waves
Height1.7m (5.6ft)1.9m (6.1ft)1.9m (6.2ft)1.9m (6.1ft)1.8m (5.8ft)1.7m (5.4ft)1.5m (5.1ft)1.5m (4.9ft)
Direction 252°
WSW
249°
WSW
249°
WSW
249°
WSW
249°
WSW
250°
WSW
247°
WSW
248°
WSW
Period18.8 sec.17.9 sec.17.7 sec.17.6 sec.17.4 sec.17.1 sec.16.5 sec.16.1 sec.
Significant height0.1m (0.3ft)0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.4m (1.3ft)
Sea water temperature
Water temperature18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 07:34 and will set at 17:15 on the beach(es) of Olhao. The outside temperature will be a high of 63°F t and a low of 59°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 14.9mph km/h (with gusts up to 24.2mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (62°F)17°C (63°F)17°C (62°F)15°C (59°F)16°C (61°F)17°C (62°F)15°C (60°F)16°C (61°F)
Perceived temperature17°C (62°F)17°C (63°F)17°C (62°F)15°C (59°F)16°C (61°F)17°C (62°F)15°C (60°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%84%83%88%83%83%88%88%
Barometric pressure1018 hPa1017 hPa1016 hPa1017 hPa1017 hPa1016 hPa1018 hPa1019 hPa
Cloud cover20%54%67%100%75%75%75%12%
Heat index17°C (62°F)17°C (63°F)17°C (62°F)15°C (59°F)16°C (61°F)17°C (62°F)15°C (60°F)16°C (61°F)
Dew point14°C (58°F)14°C (58°F)14°C (57°F)13°C (55°F)13°C (56°F)14°C (57°F)13°C (56°F)14°C (57°F)
Wind
Speed20km/h (12mph)24km/h (15mph)19km/h (12mph)6km/h (4mph)11km/h (7mph)17km/h (10mph)22km/h (14mph)19km/h (12mph)
Gusts32km/h (20mph)39km/h (24mph)33km/h (21mph)10km/h (6mph)17km/h (11mph)25km/h (16mph)38km/h (24mph)29km/h (18mph)
Direction 195°
SSW
195°
SSW
196°
SSW
142°
SE
51°
NE
136°
SE
173°
S
164°
SSE
Wind chill17°C (62°F)17°C (63°F)17°C (62°F)15°C (59°F)16°C (61°F)17°C (62°F)15°C (60°F)16°C (61°F)
Waves
Height1.5m (5.0ft)1.7m (5.5ft)1.9m (6.3ft)2.0m (6.6ft)1.9m (6.4ft)1.8m (6.0ft)1.7m (5.5ft)1.6m (5.2ft)
Direction 248°
WSW
248°
WSW
246°
WSW
244°
WSW
243°
WSW
244°
WSW
246°
WSW
241°
WSW
Period15.8 sec.15.9 sec.15.8 sec.15.6 sec.14.8 sec.14.5 sec.14.2 sec.13.4 sec.
Significant height0.3m (1ft)0.3m (1ft)0.6m (2ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)
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 07:35 and will set at 17:15 on the beach(es) of Olhao. 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 11.8mph 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 (60°F)16°C (61°F)16°C (61°F)16°C (60°F)16°C (60°F)16°C (61°F)16°C (60°F)16°C (61°F)
Perceived temperature16°C (60°F)16°C (61°F)16°C (61°F)16°C (60°F)16°C (60°F)16°C (61°F)16°C (60°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%80%80%84%80%81%85%85%
Barometric pressure1020 hPa1019 hPa1019 hPa1020 hPa1019 hPa1018 hPa1019 hPa1019 hPa
Cloud cover44%100%100%59%82%59%75%57%
Heat index16°C (60°F)16°C (61°F)16°C (61°F)16°C (60°F)16°C (60°F)16°C (61°F)16°C (60°F)16°C (61°F)
Dew point13°C (55°F)13°C (55°F)12°C (54°F)13°C (55°F)12°C (54°F)13°C (55°F)13°C (55°F)13°C (56°F)
Wind
Speed19km/h (12mph)18km/h (11mph)19km/h (12mph)18km/h (11mph)16km/h (10mph)12km/h (7mph)9km/h (6mph)12km/h (7mph)
Gusts29km/h (18mph)28km/h (17mph)28km/h (17mph)25km/h (16mph)23km/h (14mph)17km/h (10mph)16km/h (10mph)19km/h (12mph)
Direction 134°
SE
137°
SE
122°
ESE
109°
ESE
112°
ESE
128°
SE
130°
SE
130°
SE
Wind chill16°C (60°F)16°C (61°F)16°C (61°F)16°C (60°F)16°C (60°F)16°C (61°F)16°C (60°F)16°C (61°F)
Waves
Height1.5m (4.9ft)1.4m (4.6ft)1.3m (4.3ft)1.2m (4.0ft)1.1m (3.8ft)1.1m (3.5ft)1.0m (3.3ft)0.9m (3.1ft)
Direction 242°
WSW
242°
WSW
237°
WSW
236°
WSW
237°
WSW
237°
WSW
238°
WSW
239°
WSW
Period13.2 sec.12.9 sec.12.5 sec.12.3 sec.12.2 sec.12.0 sec.12.0 sec.12.0 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)1.4m (4.6ft)0.3m (1ft)0.3m (1ft)1.0m (3.3ft)1.3m (4.3ft)
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

Change units