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
Monday 20 July 202663°F to 67°Fdiscouraged
Tuesday 21 July 202661°F to 65°Fdiscouraged
Wednesday 22 July 202656°F to 61°Fnot recommended
Thursday 23 July 202656°F to 59°Fdiscouraged
Friday 24 July 202656°F to 61°Fdiscouraged
Saturday 25 July 202658°F to 63°Fdiscouraged
Sunday 26 July 202658°F to 63°Frecommended

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

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 07:18 and will set at 17:46 on the beach(es) of Porto Alegre. The outside temperature will be a high of 67°F t and a low of 63°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 13.1mph km/h (with gusts up to 19.9mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature19°C (65°F)18°C (65°F)18°C (64°F)18°C (64°F)19°C (65°F)18°C (65°F)18°C (64°F)17°C (63°F)
Perceived temperature19°C (65°F)18°C (65°F)18°C (64°F)18°C (64°F)19°C (65°F)18°C (65°F)18°C (64°F)17°C (63°F)
Precipitation0in0in0in0in0in0.1in0.1in0in
Humidity94%92%97%96%94%95%99%97%
Barometric pressure1007 hPa1006 hPa1007 hPa1009 hPa1010 hPa1007 hPa1007 hPa1009 hPa
Cloud cover81%55%72%79%78%71%69%77%
Heat index19°C (65°F)18°C (65°F)18°C (64°F)18°C (64°F)19°C (65°F)18°C (65°F)18°C (64°F)17°C (63°F)
Dew point18°C (64°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (62°F)
Wind
Speed21km/h (13mph)19km/h (12mph)14km/h (9mph)11km/h (7mph)13km/h (8mph)13km/h (8mph)6km/h (4mph)15km/h (9mph)
Gusts22km/h (14mph)22km/h (14mph)29km/h (18mph)21km/h (13mph)27km/h (17mph)27km/h (17mph)14km/h (8mph)32km/h (20mph)
Direction 17°
NNE

N
355°
N
333°
NNW
329°
NNW
328°
NNW
356°
N
61°
ENE
Wind chill19°C (65°F)18°C (65°F)18°C (64°F)18°C (64°F)19°C (65°F)18°C (65°F)18°C (64°F)17°C (63°F)
Waves
Height0.1m (0.4ft)0.2m (0.5ft)0.1m (0.5ft)0.5m (1.7ft)0.1m (0.5ft)0.2m (0.6ft)0.2m (0.5ft)0.3m (1.0ft)
Direction 71°
ENE
58°
ENE

N
10°
N
41°
NE
50°
NE
52°
NE
70°
ENE
Period2.0 sec.2.2 sec.2.1 sec.1.7 sec.1.7 sec.1.7 sec.1.7 sec.1.7 sec.
Significant height0.5m (1.6ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)0.8m (2.6ft)
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 Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 07:17 and will set at 17:46 on the beach(es) of Porto Alegre. The outside temperature will be a high of 65°F t and a low of 61°F. Precipitation is in the forecast (0.4in 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 11.2mph km/h (with gusts up to 21.1mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature18°C (64°F)17°C (63°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)17°C (62°F)16°C (61°F)
Perceived temperature18°C (64°F)17°C (63°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)17°C (62°F)16°C (61°F)
Precipitation0in0in0in0in0in0in0.2in0.1in
Humidity96%98%99%99%99%97%100%100%
Barometric pressure1009 hPa1008 hPa1007 hPa1009 hPa1008 hPa1006 hPa1006 hPa1007 hPa
Cloud cover81%55%76%76%92%73%100%100%
Heat index18°C (64°F)17°C (63°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)17°C (62°F)16°C (61°F)
Dew point17°C (62°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (62°F)16°C (61°F)
Wind
Speed14km/h (9mph)11km/h (7mph)18km/h (11mph)7km/h (4mph)16km/h (10mph)6km/h (4mph)8km/h (5mph)6km/h (4mph)
Gusts28km/h (18mph)20km/h (13mph)34km/h (21mph)14km/h (9mph)30km/h (19mph)13km/h (8mph)16km/h (10mph)12km/h (7mph)
Direction 47°
NE

N
34°
NNE

N
48°
NE
51°
NE
179°
S
186°
S
Wind chill18°C (64°F)17°C (63°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)17°C (62°F)16°C (61°F)
Waves
Height0.2m (0.7ft)0.2m (0.7ft)0.1m (0.4ft)0.3m (0.9ft)0.3m (1.1ft)0.2m (0.7ft)0.3m (1.0ft)0.3m (1.0ft)
Direction 65°
ENE
66°
ENE
68°
ENE
48°
NE
33°
NNE
13°
NNE
191°
S
185°
S
Period2.4 sec.2.4 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.1 sec.2.0 sec.
Significant height0.2m (0.7ft)0.4m (1.3ft)0.3m (1ft)0.6m (2ft)0.7m (2.3ft)0.5m (1.6ft)0.8m (2.6ft)0.5m (1.6ft)
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 Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 07:17 and will set at 17:47 on the beach(es) of Porto Alegre. The outside temperature will be a high of 61°F t and a low of 56°F. Precipitation is in the forecast (0.6in 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 25.5mph km/h (with gusts up to 36.7mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (61°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (58°F)14°C (57°F)14°C (56°F)
Perceived temperature16°C (61°F)15°C (59°F)14°C (58°F)15°C (59°F)14°C (56°F)13°C (55°F)12°C (53°F)11°C (51°F)
Precipitation0.4in0.1in0in0in0in0in0in0.1in
Humidity99%98%99%99%98%97%96%96%
Barometric pressure1008 hPa1008 hPa1008 hPa1010 hPa1010 hPa1010 hPa1013 hPa1016 hPa
Cloud cover100%100%100%100%100%100%100%100%
Heat index16°C (61°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (58°F)14°C (57°F)14°C (56°F)
Dew point16°C (60°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (58°F)14°C (57°F)13°C (56°F)13°C (55°F)
Wind
Speed22km/h (13mph)21km/h (13mph)12km/h (8mph)15km/h (9mph)22km/h (14mph)26km/h (16mph)33km/h (20mph)41km/h (26mph)
Gusts35km/h (22mph)32km/h (20mph)19km/h (12mph)23km/h (15mph)35km/h (22mph)41km/h (25mph)50km/h (31mph)59km/h (36mph)
Direction 213°
SSW
217°
SW
201°
SSW
228°
SW
209°
SSW
197°
SSW
200°
SSW
208°
SSW
Wind chill16°C (61°F)15°C (59°F)14°C (58°F)15°C (59°F)14°C (56°F)13°C (55°F)12°C (53°F)11°C (51°F)
Waves
Height0.2m (0.8ft)0.3m (1.1ft)0.3m (1.1ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.8ft)0.5m (1.8ft)0.4m (1.4ft)
Direction 190°
S
198°
SSW
199°
SSW
186°
S
186°
S
184°
S
180°
S
179°
S
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 height0.4m (1.3ft)0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)0.7m (2.3ft)
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 Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 07:16 and will set at 17:47 on the beach(es) of Porto Alegre. 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 22.4mph km/h (with gusts up to 31.1mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (56°F)13°C (55°F)13°C (56°F)14°C (57°F)15°C (59°F)15°C (59°F)13°C (56°F)14°C (56°F)
Perceived temperature11°C (52°F)11°C (51°F)12°C (53°F)13°C (55°F)14°C (58°F)15°C (59°F)12°C (53°F)12°C (54°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%89%88%87%78%74%81%84%
Barometric pressure1018 hPa1019 hPa1021 hPa1023 hPa1023 hPa1022 hPa1023 hPa1025 hPa
Cloud cover80%65%81%74%88%78%82%6%
Heat index14°C (56°F)13°C (55°F)13°C (56°F)14°C (57°F)15°C (59°F)15°C (59°F)13°C (56°F)14°C (56°F)
Dew point12°C (54°F)11°C (52°F)11°C (52°F)12°C (53°F)11°C (52°F)11°C (51°F)10°C (50°F)11°C (51°F)
Wind
Speed36km/h (23mph)24km/h (15mph)16km/h (10mph)14km/h (9mph)12km/h (7mph)18km/h (11mph)17km/h (11mph)16km/h (10mph)
Gusts50km/h (31mph)33km/h (21mph)24km/h (15mph)21km/h (13mph)17km/h (11mph)29km/h (18mph)34km/h (21mph)27km/h (17mph)
Direction 185°
S
172°
S
205°
SSW
203°
SSW
165°
SSE
147°
SSE
128°
SE
101°
E
Wind chill11°C (52°F)11°C (51°F)12°C (53°F)13°C (55°F)14°C (58°F)15°C (59°F)12°C (53°F)12°C (54°F)
Waves
Height0.3m (1.1ft)0.3m (1.0ft)0.4m (1.3ft)0.4m (1.2ft)0.3m (1.0ft)0.3m (0.9ft)0.3m (0.9ft)0.2m (0.8ft)
Direction 179°
S
179°
S
182°
S
171°
S
162°
SSE
155°
SSE
136°
SE
128°
SE
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 height0.5m (1.6ft)0.6m (2ft)0.8m (2.6ft)0.7m (2.3ft)0.5m (1.6ft)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 on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 07:16 and will set at 17:48 on the beach(es) of Porto Alegre. 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 19.9mph km/h (with gusts up to 24.2mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (56°F)13°C (56°F)14°C (57°F)15°C (58°F)16°C (61°F)16°C (62°F)15°C (59°F)15°C (59°F)
Perceived temperature12°C (53°F)12°C (53°F)12°C (53°F)13°C (56°F)16°C (61°F)16°C (62°F)13°C (55°F)13°C (55°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%85%84%81%76%74%77%80%
Barometric pressure1024 hPa1024 hPa1024 hPa1025 hPa1025 hPa1023 hPa1022 hPa1023 hPa
Cloud cover3%0%100%9%31%48%49%10%
Heat index13°C (56°F)13°C (56°F)14°C (57°F)15°C (58°F)16°C (61°F)16°C (62°F)15°C (59°F)15°C (59°F)
Dew point11°C (51°F)11°C (52°F)11°C (52°F)12°C (53°F)12°C (53°F)12°C (53°F)11°C (52°F)12°C (53°F)
Wind
Speed17km/h (10mph)18km/h (11mph)22km/h (13mph)21km/h (13mph)25km/h (16mph)25km/h (15mph)32km/h (20mph)32km/h (20mph)
Gusts29km/h (18mph)30km/h (19mph)36km/h (22mph)31km/h (20mph)39km/h (24mph)39km/h (24mph)39km/h (24mph)35km/h (22mph)
Direction 92°
E
88°
E
95°
E
90°
E
86°
E
80°
E
76°
ENE
70°
ENE
Wind chill12°C (53°F)12°C (53°F)12°C (53°F)13°C (56°F)16°C (61°F)16°C (62°F)13°C (55°F)13°C (55°F)
Waves
Height0.2m (0.7ft)0.3m (0.9ft)0.3m (0.9ft)0.3m (1.1ft)0.3m (1.1ft)0.4m (1.4ft)0.5m (1.7ft)0.6m (1.9ft)
Direction 114°
ESE
115°
ESE
113°
ESE
98°
E
84°
E
83°
E
83°
E
79°
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 height0.4m (1.3ft)0.6m (2ft)0.5m (1.6ft)0.7m (2.3ft)0.6m (2ft)0.9m (3ft)1.1m (3.6ft)1.3m (4.3ft)
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 Saturday 25 July 2026

On Saturday 25 July 2026, the sun will rise at 07:15 and will set at 17:48 on the beach(es) of Porto Alegre. 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 16.8mph km/h (with gusts up to 26.7mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (58°F)14°C (58°F)14°C (57°F)14°C (58°F)17°C (62°F)17°C (63°F)15°C (58°F)15°C (59°F)
Perceived temperature13°C (55°F)13°C (55°F)12°C (54°F)13°C (56°F)17°C (62°F)17°C (63°F)13°C (56°F)14°C (56°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%83%86%83%74%72%87%92%
Barometric pressure1023 hPa1022 hPa1022 hPa1024 hPa1022 hPa1021 hPa1020 hPa1021 hPa
Cloud cover100%47%41%29%26%11%7%15%
Heat index15°C (58°F)14°C (58°F)14°C (57°F)14°C (58°F)17°C (62°F)17°C (63°F)15°C (58°F)15°C (59°F)
Dew point12°C (53°F)11°C (53°F)11°C (53°F)12°C (53°F)12°C (54°F)12°C (54°F)12°C (54°F)14°C (56°F)
Wind
Speed27km/h (17mph)22km/h (14mph)19km/h (12mph)14km/h (9mph)12km/h (7mph)12km/h (7mph)19km/h (12mph)18km/h (11mph)
Gusts43km/h (27mph)36km/h (22mph)33km/h (21mph)22km/h (14mph)18km/h (11mph)22km/h (14mph)22km/h (14mph)32km/h (20mph)
Direction 67°
ENE
57°
ENE
51°
NE
44°
NE
44°
NE
81°
E
78°
ENE
67°
ENE
Wind chill13°C (55°F)13°C (55°F)12°C (54°F)13°C (56°F)17°C (62°F)17°C (63°F)13°C (56°F)14°C (56°F)
Waves
Height0.5m (1.7ft)0.4m (1.3ft)0.3m (0.9ft)0.2m (0.6ft)0.1m (0.4ft)0.3m (1.0ft)0.2m (0.6ft)0.3m (1.0ft)
Direction 61°
ENE
53°
NE
51°
NE
48°
NE
51°
NE
57°
ENE
75°
ENE
74°
ENE
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 height1.0m (3.3ft)0.7m (2.3ft)0.4m (1.3ft)0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)0.5m (1.6ft)0.6m (2ft)
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 Sunday 26 July 2026

On Sunday 26 July 2026, the sun will rise at 07:15 and will set at 17:49 on the beach(es) of Porto Alegre. 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 8.1mph km/h (with gusts up to 15.5mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (58°F)14°C (58°F)14°C (58°F)15°C (59°F)17°C (63°F)17°C (63°F)16°C (60°F)16°C (60°F)
Perceived temperature14°C (57°F)14°C (57°F)15°C (59°F)15°C (59°F)17°C (63°F)17°C (63°F)16°C (60°F)16°C (60°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity93%93%89%84%75%73%80%87%
Barometric pressure1021 hPa1020 hPa1019 hPa1020 hPa1020 hPa1017 hPa1017 hPa1018 hPa
Cloud cover12%17%11%10%8%8%9%9%
Heat index15°C (58°F)14°C (58°F)14°C (58°F)15°C (59°F)17°C (63°F)17°C (63°F)16°C (60°F)16°C (60°F)
Dew point14°C (56°F)13°C (56°F)12°C (54°F)12°C (54°F)13°C (55°F)12°C (54°F)12°C (54°F)14°C (56°F)
Wind
Speed13km/h (8mph)11km/h (7mph)4km/h (2mph)7km/h (4mph)4km/h (2mph)4km/h (2mph)8km/h (5mph)12km/h (7mph)
Gusts25km/h (16mph)21km/h (13mph)7km/h (4mph)11km/h (7mph)6km/h (4mph)8km/h (5mph)16km/h (10mph)24km/h (15mph)
Direction 54°
NE
31°
NNE
13°
NNE
21°
NNE
310°
NW
105°
ESE
94°
E
64°
ENE
Wind chill14°C (57°F)14°C (57°F)15°C (59°F)15°C (59°F)17°C (63°F)17°C (63°F)16°C (60°F)16°C (60°F)
Waves
Height0.2m (0.8ft)0.2m (0.6ft)0.3m (1.0ft)0.5m (1.6ft)0.2m (0.8ft)0.2m (0.5ft)0.1m (0.3ft)0.1m (0.3ft)
Direction 60°
ENE
60°
ENE
62°
ENE
65°
ENE
68°
ENE
71°
ENE
74°
ENE
74°
ENE
Period2.0 sec.2.0 sec.2.0 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)
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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

Change units