Sea weather in Porto Alegre in Brazil All the beach weather in Porto Alegre

All the essential weather information for enjoying the beach in Porto Alegre in Brazil, 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 Porto Alegre over the next 7 days?

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

Date Outside temp. Our opinion
Wednesday 19 March 202567°F to 74°Frecommended
Thursday 20 March 202567°F to 76°Fdiscouraged
Friday 21 March 202568°F to 77°Fdiscouraged
Saturday 22 March 202570°F to 77°Fdiscouraged
Sunday 23 March 202574°F to 81°Fdiscouraged
Monday 24 March 202572°F to 81°Fdiscouraged
Tuesday 25 March 202572°F to 79°Frecommended

Sea Weather: Your daily and hourly sea weather in Porto Alegre

Sea weather on Wednesday 19 March 2025

On Wednesday 19 March 2025, the sun will rise at 06:28 and will set at 18:37 on the beach(es) of Porto Alegre. The outside temperature will be a high of 74°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 11.8mph km/h (with gusts up to 19.3mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (72°F)22°C (71°F)21°C (70°F)22°C (71°F)23°C (73°F)22°C (71°F)20°C (68°F)22°C (72°F)
Perceived temperature25°C (76°F)22°C (71°F)21°C (70°F)22°C (71°F)25°C (77°F)22°C (71°F)20°C (68°F)25°C (76°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%77%82%79%72%63%70%75%
Barometric pressure1017 hPa1016 hPa1016 hPa1018 hPa1018 hPa1017 hPa1017 hPa1018 hPa
Cloud cover11%20%36%82%6%0%0%0%
Heat index25°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)25°C (77°F)25°C (76°F)20°C (68°F)25°C (76°F)
Dew point18°C (64°F)18°C (64°F)18°C (64°F)18°C (65°F)17°C (63°F)14°C (58°F)14°C (58°F)18°C (64°F)
Wind
Speed15km/h (9mph)15km/h (9mph)13km/h (8mph)14km/h (9mph)9km/h (6mph)12km/h (8mph)13km/h (8mph)19km/h (12mph)
Gusts23km/h (15mph)23km/h (14mph)20km/h (12mph)18km/h (11mph)13km/h (8mph)25km/h (16mph)28km/h (17mph)31km/h (19mph)
Direction 183°
S
202°
SSW
217°
SW
236°
SW
230°
SW
190°
S
153°
SSE
101°
E
Wind chill22°C (72°F)22°C (71°F)21°C (70°F)22°C (71°F)23°C (73°F)22°C (71°F)20°C (68°F)22°C (72°F)
Waves
Height0.2m (0.7ft)0.1m (0.4ft)0.6m (2.0ft)0.3m (0.8ft)0.3m (1.1ft)0.1m (0.3ft)0.5m (1.7ft)0.3m (1.0ft)
Direction 181°
S
186°
S
187°
S
211°
SSW
212°
SSW
207°
SSW
9999°
114°
ESE
Period0.1 sec.2.3 sec.2.3 sec.2.3 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.
Significant height0.3m (1ft)0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.4m (1.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)

Sea weather on Thursday 20 March 2025

On Thursday 20 March 2025, the sun will rise at 06:28 and will set at 18:35 on the beach(es) of Porto Alegre. The outside temperature will be a high of 76°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 13.7mph km/h (with gusts up to 21.1mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (70°F)21°C (69°F)20°C (68°F)22°C (72°F)21°C (70°F)24°C (74°F)21°C (70°F)22°C (72°F)
Perceived temperature21°C (70°F)21°C (69°F)20°C (68°F)25°C (76°F)21°C (70°F)25°C (77°F)21°C (70°F)25°C (76°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%82%84%70%55%55%62%75%
Barometric pressure1018 hPa1017 hPa1018 hPa1020 hPa1019 hPa1017 hPa1017 hPa1018 hPa
Cloud cover0%0%0%2%0%0%0%0%
Heat index24°C (76°F)21°C (69°F)20°C (68°F)25°C (76°F)24°C (76°F)25°C (77°F)21°C (70°F)25°C (76°F)
Dew point18°C (64°F)18°C (64°F)17°C (63°F)17°C (62°F)12°C (53°F)14°C (57°F)13°C (56°F)17°C (63°F)
Wind
Speed15km/h (9mph)13km/h (8mph)11km/h (7mph)10km/h (6mph)7km/h (4mph)16km/h (10mph)22km/h (14mph)22km/h (13mph)
Gusts24km/h (15mph)21km/h (13mph)19km/h (12mph)13km/h (8mph)15km/h (9mph)31km/h (19mph)23km/h (15mph)34km/h (21mph)
Direction 80°
E
59°
ENE
47°
NE
52°
NE
156°
SSE
163°
SSE
106°
ESE
85°
E
Wind chill21°C (70°F)21°C (69°F)20°C (68°F)22°C (72°F)21°C (70°F)24°C (74°F)21°C (70°F)22°C (72°F)
Waves
Height0.3m (0.9ft)0.2m (0.6ft)0.1m (0.4ft)0.3m (1.1ft)0.1m (0.3ft)0.3m (1.0ft)0.3m (0.9ft)0.4m (1.4ft)
Direction 99°
E
85°
E
89°
E
69°
ENE
70°
ENE
9999°
129°
SE
98°
E
Period1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)0.3m (1ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)

Sea weather on Friday 21 March 2025

On Friday 21 March 2025, the sun will rise at 06:29 and will set at 18:34 on the beach(es) of Porto Alegre. The outside temperature will be a high of 77°F t and a low of 68°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 19.3mph km/h (with gusts up to 28.6mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (71°F)21°C (70°F)20°C (68°F)22°C (71°F)21°C (71°F)24°C (75°F)24°C (74°F)23°C (73°F)
Perceived temperature22°C (71°F)21°C (70°F)20°C (68°F)22°C (71°F)21°C (71°F)25°C (77°F)25°C (78°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%82%81%66%51%48%69%77%
Barometric pressure1018 hPa1017 hPa1017 hPa1019 hPa1017 hPa1015 hPa1015 hPa1016 hPa
Cloud cover3%2%0%0%0%0%26%0%
Heat index24°C (76°F)24°C (76°F)20°C (68°F)25°C (76°F)24°C (76°F)25°C (77°F)25°C (78°F)25°C (77°F)
Dew point18°C (64°F)18°C (65°F)17°C (62°F)15°C (60°F)11°C (52°F)13°C (55°F)18°C (64°F)19°C (66°F)
Wind
Speed22km/h (14mph)22km/h (13mph)20km/h (13mph)14km/h (9mph)3km/h (2mph)13km/h (8mph)29km/h (18mph)31km/h (19mph)
Gusts34km/h (21mph)33km/h (20mph)32km/h (20mph)17km/h (11mph)7km/h (4mph)25km/h (16mph)46km/h (29mph)46km/h (28mph)
Direction 80°
E
75°
ENE
66°
ENE
50°
NE
89°
E
165°
SSE
92°
E
84°
E
Wind chill22°C (71°F)21°C (70°F)20°C (68°F)22°C (71°F)21°C (71°F)24°C (75°F)24°C (74°F)23°C (73°F)
Waves
Height0.4m (1.3ft)0.4m (1.2ft)0.3m (1.0ft)0.2m (0.8ft)0.1m (0.4ft)0.3m (0.9ft)0.5m (1.7ft)0.6m (1.8ft)
Direction 92°
E
90°
E
79°
E
72°
ENE
75°
ENE
111°
ESE
100°
E
92°
E
Period1.9 sec.1.9 sec.1.9 sec.1.9 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.
Significant height0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.1m (0.3ft)0.8m (2.6ft)1.1m (3.6ft)1.2m (3.9ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)

Sea weather on Saturday 22 March 2025

On Saturday 22 March 2025, the sun will rise at 06:30 and will set at 18:33 on the beach(es) of Porto Alegre. The outside temperature will be a high of 77°F t and a low of 70°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 28.6mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)22°C (72°F)21°C (70°F)24°C (74°F)23°C (73°F)25°C (76°F)25°C (76°F)23°C (74°F)
Perceived temperature25°C (77°F)25°C (76°F)21°C (70°F)25°C (78°F)25°C (77°F)26°C (79°F)26°C (79°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%86%88%76%64%62%73%82%
Barometric pressure1015 hPa1013 hPa1014 hPa1014 hPa1013 hPa1011 hPa1011 hPa1013 hPa
Cloud cover19%18%11%8%9%10%11%19%
Heat index25°C (77°F)25°C (76°F)24°C (76°F)25°C (78°F)25°C (77°F)26°C (79°F)26°C (79°F)25°C (77°F)
Dew point19°C (67°F)20°C (68°F)19°C (67°F)19°C (66°F)16°C (60°F)17°C (63°F)19°C (67°F)20°C (68°F)
Wind
Speed32km/h (20mph)29km/h (18mph)21km/h (13mph)15km/h (9mph)3km/h (2mph)6km/h (4mph)22km/h (13mph)18km/h (11mph)
Gusts46km/h (29mph)42km/h (26mph)32km/h (20mph)19km/h (12mph)5km/h (3mph)13km/h (8mph)39km/h (24mph)30km/h (19mph)
Direction 81°
E
68°
ENE
51°
NE
56°
ENE
46°
NE
151°
SSE
89°
E
54°
NE
Wind chill23°C (73°F)22°C (72°F)21°C (70°F)24°C (74°F)23°C (73°F)25°C (76°F)25°C (76°F)23°C (74°F)
Waves
Height0.6m (1.9ft)0.5m (1.8ft)0.5m (1.5ft)0.3m (1.0ft)0.1m (0.4ft)0.2m (0.6ft)0.4m (1.4ft)0.5m (1.6ft)
Direction 84°
E
78°
ENE
64°
ENE
54°
NE
61°
ENE
106°
ESE
100°
E
90°
E
Period2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.
Significant height1.2m (3.9ft)1.1m (3.6ft)0.9m (3ft)0.5m (1.6ft)0.1m (0.3ft)0.5m (1.6ft)1.0m (3.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Sunday 23 March 2025

On Sunday 23 March 2025, the sun will rise at 06:30 and will set at 18:32 on the beach(es) of Porto Alegre. The outside temperature will be a high of 81°F t and a low of 74°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 23mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (74°F)23°C (73°F)24°C (75°F)26°C (79°F)27°C (81°F)26°C (78°F)23°C (74°F)
Perceived temperature25°C (78°F)25°C (77°F)25°C (77°F)26°C (78°F)27°C (81°F)29°C (84°F)27°C (81°F)25°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%82%84%73%61%60%66%85%
Barometric pressure1012 hPa1012 hPa1012 hPa1014 hPa1013 hPa1010 hPa1010 hPa1012 hPa
Cloud cover64%75%79%37%27%17%13%12%
Heat index25°C (78°F)25°C (77°F)25°C (77°F)26°C (78°F)27°C (81°F)29°C (84°F)27°C (81°F)25°C (78°F)
Dew point21°C (69°F)20°C (68°F)20°C (67°F)19°C (66°F)18°C (65°F)19°C (66°F)19°C (66°F)21°C (69°F)
Wind
Speed16km/h (10mph)8km/h (5mph)14km/h (9mph)11km/h (7mph)18km/h (11mph)11km/h (7mph)21km/h (13mph)26km/h (16mph)
Gusts23km/h (15mph)13km/h (8mph)25km/h (15mph)16km/h (10mph)28km/h (17mph)17km/h (11mph)22km/h (14mph)37km/h (23mph)
Direction 57°
ENE
26°
NNE
43°
NE
66°
ENE
57°
ENE
106°
ESE
112°
ESE
86°
E
Wind chill23°C (74°F)23°C (74°F)23°C (73°F)24°C (75°F)26°C (79°F)27°C (81°F)26°C (78°F)23°C (74°F)
Waves
Height0.5m (1.7ft)0.4m (1.4ft)0.2m (0.8ft)0.1m (0.4ft)0.3m (0.9ft)0.1m (0.5ft)0.4m (1.3ft)0.5m (1.6ft)
Direction 83°
E
68°
ENE
66°
ENE
72°
ENE
82°
E
122°
ESE
93°
E
87°
E
Period2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.
Significant height1.1m (3.6ft)0.8m (2.6ft)0.4m (1.3ft)0.2m (0.7ft)0.1m (0.3ft)0.4m (1.3ft)0.9m (3ft)1.1m (3.6ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Monday 24 March 2025

On Monday 24 March 2025, the sun will rise at 06:31 and will set at 18:30 on the beach(es) of Porto Alegre. The outside temperature will be a high of 81°F t and a low of 72°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 22.4mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)22°C (72°F)22°C (71°F)24°C (76°F)23°C (74°F)27°C (80°F)27°C (80°F)24°C (75°F)
Perceived temperature25°C (78°F)25°C (77°F)22°C (71°F)26°C (79°F)25°C (77°F)28°C (82°F)28°C (83°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%89%90%73%60%53%69%82%
Barometric pressure1011 hPa1010 hPa1011 hPa1012 hPa1011 hPa1009 hPa1008 hPa1011 hPa
Cloud cover21%16%11%11%6%7%24%44%
Heat index25°C (78°F)25°C (77°F)24°C (76°F)26°C (79°F)25°C (77°F)28°C (82°F)28°C (83°F)26°C (79°F)
Dew point21°C (70°F)21°C (69°F)20°C (68°F)19°C (66°F)15°C (59°F)17°C (62°F)20°C (69°F)21°C (69°F)
Wind
Speed25km/h (16mph)19km/h (12mph)13km/h (8mph)7km/h (4mph)2km/h (1mph)12km/h (8mph)27km/h (17mph)18km/h (11mph)
Gusts36km/h (23mph)29km/h (18mph)21km/h (13mph)9km/h (5mph)5km/h (3mph)26km/h (16mph)28km/h (17mph)28km/h (18mph)
Direction 74°
ENE
53°
NE
38°
NE
20°
NNE
268°
W
119°
ESE
82°
E
60°
ENE
Wind chill23°C (74°F)22°C (72°F)22°C (71°F)24°C (76°F)23°C (74°F)27°C (80°F)27°C (80°F)24°C (75°F)
Waves
Height0.4m (1.4ft)0.4m (1.3ft)0.3m (1.0ft)0.2m (0.6ft)0.1m (0.3ft)0.1m (0.4ft)0.5m (1.7ft)0.6m (2.1ft)
Direction 73°
ENE
71°
ENE
66°
ENE
68°
ENE
72°
ENE
101°
ESE
98°
E
88°
E
Period2.0 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.
Significant height0.9m (3ft)0.8m (2.6ft)0.5m (1.6ft)0.4m (1.3ft)0.1m (0.3ft)0.5m (1.6ft)1.2m (3.9ft)1.4m (4.6ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Tuesday 25 March 2025

On Tuesday 25 March 2025, the sun will rise at 06:31 and will set at 18:29 on the beach(es) of Porto Alegre. The outside temperature will be a high of 79°F t and a low of 72°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 18.6mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)23°C (73°F)23°C (73°F)25°C (76°F)23°C (73°F)26°C (79°F)22°C (72°F)23°C (73°F)
Perceived temperature26°C (78°F)25°C (77°F)25°C (77°F)27°C (80°F)25°C (77°F)28°C (83°F)25°C (76°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%89%86%77%71%72%81%87%
Barometric pressure1010 hPa1009 hPa1010 hPa1011 hPa1011 hPa1008 hPa1009 hPa1011 hPa
Cloud cover21%23%15%22%11%83%9%11%
Heat index26°C (78°F)25°C (77°F)25°C (77°F)27°C (80°F)25°C (77°F)28°C (83°F)25°C (76°F)25°C (77°F)
Dew point21°C (70°F)21°C (69°F)20°C (68°F)20°C (69°F)17°C (63°F)21°C (69°F)19°C (66°F)21°C (69°F)
Wind
Speed17km/h (10mph)14km/h (9mph)6km/h (4mph)9km/h (6mph)12km/h (7mph)19km/h (12mph)12km/h (7mph)7km/h (4mph)
Gusts26km/h (16mph)24km/h (15mph)10km/h (6mph)12km/h (7mph)25km/h (16mph)30km/h (19mph)24km/h (15mph)13km/h (8mph)
Direction 78°
ENE
59°
ENE
333°
NNW
263°
W
190°
S
169°
SSE
144°
SE
98°
E
Wind chill24°C (75°F)23°C (73°F)23°C (73°F)25°C (76°F)23°C (73°F)26°C (79°F)22°C (72°F)23°C (73°F)
Waves
Height0.6m (2.0ft)0.6m (1.9ft)0.5m (1.7ft)0.5m (1.5ft)0.3m (1.0ft)0.5m (1.6ft)0.6m (1.9ft)0.6m (2.1ft)
Direction 84°
E
80°
E
70°
ENE
66°
ENE
69°
ENE
89°
E
100°
E
89°
E
Period2.0 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.
Significant height1.3m (4.3ft)1.2m (3.9ft)1.0m (3.3ft)0.9m (3ft)0.6m (2ft)1.1m (3.6ft)1.3m (4.3ft)1.5m (4.9ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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