Sea weather in Ilha Grande in Brazil All the beach weather in Ilha Grande

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

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

Date Outside temp. Our opinion
Monday 15 December 202572°F to 79°Frecommended
Tuesday 16 December 202574°F to 81°Fnot recommended
Wednesday 17 December 202572°F to 76°Fdiscouraged
Thursday 18 December 202572°F to 74°Frecommended
Friday 19 December 202570°F to 74°Frecommended
Saturday 20 December 202574°F to 77°Frecommended
Sunday 21 December 202572°F to 79°Frecommended

Sea Weather: Your daily and hourly sea weather in Ilha Grande

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 05:06 and will set at 18:39 on the beach(es) of Ilha Grande. 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 8.1mph km/h (with gusts up to 17.4mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)25°C (76°F)25°C (76°F)26°C (79°F)22°C (72°F)25°C (77°F)25°C (77°F)24°C (76°F)
Perceived temperature27°C (80°F)27°C (80°F)27°C (80°F)28°C (82°F)25°C (76°F)27°C (81°F)27°C (81°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%82%80%73%76%81%85%88%
Barometric pressure1009 hPa1007 hPa1008 hPa1008 hPa1008 hPa1007 hPa1007 hPa1008 hPa
Cloud cover14%26%45%8%79%70%83%43%
Heat index27°C (80°F)27°C (80°F)27°C (80°F)28°C (82°F)25°C (76°F)27°C (81°F)27°C (81°F)27°C (80°F)
Dew point22°C (71°F)21°C (70°F)21°C (70°F)21°C (69°F)18°C (64°F)22°C (71°F)22°C (72°F)22°C (72°F)
Wind
Speed7km/h (4mph)6km/h (4mph)3km/h (2mph)5km/h (3mph)13km/h (8mph)9km/h (5mph)2km/h (1mph)8km/h (5mph)
Gusts11km/h (7mph)11km/h (7mph)5km/h (3mph)7km/h (5mph)28km/h (17mph)14km/h (9mph)3km/h (2mph)14km/h (8mph)
Direction
N
11°
NNE
322°
NW
151°
SSE
170°
S
168°
SSE
104°
ESE
344°
NNW
Wind chill25°C (76°F)25°C (76°F)25°C (76°F)26°C (79°F)22°C (72°F)25°C (77°F)25°C (77°F)24°C (76°F)
Waves
Height0.7m (2.5ft)0.7m (2.4ft)0.7m (2.4ft)0.7m (2.4ft)0.7m (2.4ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.2ft)
Direction 166°
SSE
165°
SSE
164°
SSE
163°
SSE
162°
SSE
161°
SSE
159°
SSE
159°
SSE
Period9.6 sec.9.4 sec.9.3 sec.9.3 sec.9.3 sec.8.8 sec.9.9 sec.9.9 sec.
Significant height0.2m (0.7ft)0.4m (1.3ft)0.4m (1.3ft)0.2m (0.7ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)
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 Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 05:07 and will set at 18:39 on the beach(es) of Ilha Grande. The outside temperature will be a high of 81°F t and a low of 74°F. A total of 0.8in of precipitation could spoil your day at the beach. The sea will be generally calm, with a wind speed of up to 11.8mph km/h (with gusts up to 21.8mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)25°C (76°F)25°C (77°F)27°C (80°F)26°C (79°F)26°C (78°F)26°C (80°F)24°C (75°F)
Perceived temperature27°C (80°F)27°C (80°F)27°C (81°F)29°C (85°F)28°C (83°F)28°C (83°F)30°C (85°F)26°C (80°F)
Precipitation0in0in0in0in0in0in0in0.8in
Humidity86%87%84%76%77%81%84%95%
Barometric pressure1007 hPa1005 hPa1006 hPa1006 hPa1005 hPa1004 hPa1006 hPa1009 hPa
Cloud cover54%29%13%28%81%85%71%100%
Heat index27°C (80°F)27°C (80°F)27°C (81°F)29°C (85°F)28°C (83°F)28°C (83°F)30°C (85°F)26°C (80°F)
Dew point22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (71°F)22°C (72°F)24°C (74°F)23°C (74°F)
Wind
Speed6km/h (4mph)8km/h (5mph)9km/h (5mph)6km/h (4mph)13km/h (8mph)6km/h (4mph)6km/h (4mph)19km/h (12mph)
Gusts10km/h (6mph)13km/h (8mph)16km/h (10mph)11km/h (7mph)28km/h (17mph)12km/h (8mph)10km/h (6mph)35km/h (22mph)
Direction 344°
NNW

N
351°
N
74°
ENE
149°
SSE
226°
SW
202°
SSW
221°
SW
Wind chill25°C (76°F)25°C (76°F)25°C (77°F)27°C (80°F)26°C (79°F)26°C (78°F)26°C (80°F)24°C (75°F)
Waves
Height0.7m (2.2ft)0.7m (2.2ft)0.7m (2.5ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.5ft)0.8m (2.7ft)
Direction 158°
SSE
153°
SSE
147°
SSE
146°
SSE
144°
SE
140°
SE
136°
SE
138°
SE
Period9.8 sec.9.6 sec.9.4 sec.7.2 sec.6.9 sec.9.3 sec.9.1 sec.8.9 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.8m (2.6ft)0.9m (3ft)0.4m (1.3ft)0.7m (2.3ft)0.7m (2.3ft)
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 Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 05:07 and will set at 18:40 on the beach(es) of Ilha Grande. The outside temperature will be a high of 76°F t and a low of 72°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 19.3mph km/h (with gusts up to 27.3mph). Wave height will be up to 6.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (73°F)22°C (72°F)23°C (73°F)24°C (74°F)23°C (74°F)23°C (73°F)23°C (73°F)
Perceived temperature25°C (78°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Precipitation0.1in0.1in0in0in0in0in0in0in
Humidity93%91%82%69%62%62%62%62%
Barometric pressure1011 hPa1011 hPa1014 hPa1016 hPa1016 hPa1015 hPa1015 hPa1016 hPa
Cloud cover100%100%94%81%100%80%71%75%
Heat index25°C (78°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Dew point22°C (71°F)21°C (70°F)19°C (66°F)17°C (63°F)16°C (61°F)15°C (60°F)15°C (59°F)15°C (59°F)
Wind
Speed27km/h (17mph)31km/h (19mph)31km/h (19mph)15km/h (10mph)20km/h (13mph)19km/h (12mph)15km/h (9mph)10km/h (6mph)
Gusts44km/h (27mph)42km/h (26mph)42km/h (26mph)22km/h (14mph)28km/h (17mph)26km/h (16mph)22km/h (14mph)15km/h (9mph)
Direction 232°
SW
205°
SSW
213°
SSW
231°
SW
201°
SSW
176°
S
164°
SSE
145°
SE
Wind chill23°C (74°F)23°C (73°F)22°C (72°F)23°C (73°F)24°C (74°F)23°C (74°F)23°C (73°F)23°C (73°F)
Waves
Height1.1m (3.6ft)1.8m (5.9ft)2.1m (6.8ft)2.0m (6.6ft)2.0m (6.5ft)1.9m (6.3ft)1.8m (6.0ft)1.7m (5.6ft)
Direction 196°
SSW
188°
S
178°
S
178°
S
177°
S
176°
S
176°
S
177°
S
Period7.2 sec.7.2 sec.8.8 sec.7.1 sec.8.5 sec.8.5 sec.8.4 sec.8.3 sec.
Significant height1.6m (5.2ft)1.7m (5.6ft)1.4m (4.6ft)0.9m (3ft)0.6m (2ft)0.5m (1.6ft)0.3m (1ft)0.2m (0.7ft)
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 Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 05:08 and will set at 18:40 on the beach(es) of Ilha Grande. The outside temperature will be a high of 74°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 9.3mph km/h (with gusts up to 13.1mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (72°F)22°C (71°F)22°C (71°F)22°C (72°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)
Perceived temperature25°C (76°F)22°C (71°F)22°C (71°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (76°F)25°C (76°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity63%66%66%62%61%62%65%67%
Barometric pressure1015 hPa1013 hPa1015 hPa1015 hPa1014 hPa1013 hPa1014 hPa1015 hPa
Cloud cover60%52%68%61%30%59%92%83%
Heat index25°C (76°F)25°C (76°F)24°C (76°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (76°F)25°C (76°F)
Dew point15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (58°F)15°C (59°F)15°C (59°F)16°C (60°F)
Wind
Speed6km/h (4mph)5km/h (3mph)5km/h (3mph)3km/h (2mph)12km/h (7mph)15km/h (9mph)12km/h (8mph)10km/h (6mph)
Gusts9km/h (6mph)7km/h (4mph)8km/h (5mph)4km/h (3mph)16km/h (10mph)21km/h (13mph)18km/h (11mph)15km/h (9mph)
Direction 109°
ESE
79°
E
40°
NE
35°
NE
126°
SE
131°
SE
112°
ESE
73°
ENE
Wind chill22°C (72°F)22°C (71°F)22°C (71°F)22°C (72°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)
Waves
Height1.6m (5.2ft)1.5m (5.0ft)1.5m (4.9ft)1.4m (4.7ft)1.4m (4.5ft)1.3m (4.3ft)1.2m (4.1ft)1.2m (4.0ft)
Direction 176°
S
170°
S
170°
S
180°
S
182°
S
184°
S
184°
S
179°
S
Period8.1 sec.7.8 sec.8.1 sec.9.4 sec.9.3 sec.9.0 sec.9.0 sec.6.7 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 05:08 and will set at 18:41 on the beach(es) of Ilha Grande. The outside temperature will be a high of 74°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 8.1mph km/h (with gusts up to 11.8mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (71°F)22°C (71°F)22°C (71°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (74°F)23°C (74°F)
Perceived temperature22°C (71°F)22°C (71°F)22°C (71°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity69%72%74%72%77%75%76%80%
Barometric pressure1014 hPa1012 hPa1014 hPa1014 hPa1013 hPa1012 hPa1012 hPa1014 hPa
Cloud cover45%40%80%72%22%54%99%76%
Heat index25°C (76°F)24°C (76°F)24°C (76°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)
Dew point16°C (61°F)16°C (61°F)17°C (62°F)17°C (63°F)18°C (64°F)18°C (65°F)19°C (66°F)20°C (67°F)
Wind
Speed8km/h (5mph)5km/h (3mph)5km/h (3mph)5km/h (3mph)13km/h (8mph)9km/h (6mph)12km/h (7mph)9km/h (5mph)
Gusts12km/h (7mph)8km/h (5mph)7km/h (4mph)7km/h (4mph)19km/h (12mph)13km/h (8mph)17km/h (10mph)12km/h (8mph)
Direction 51°
NE
35°
NE
34°
NE
109°
ESE
127°
SE
114°
ESE
95°
E
66°
ENE
Wind chill22°C (71°F)22°C (71°F)22°C (71°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (74°F)23°C (74°F)
Waves
Height1.2m (4.0ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.8ft)1.1m (3.6ft)1.1m (3.5ft)1.0m (3.3ft)0.9m (3.1ft)
Direction 147°
SSE
145°
SE
145°
SE
181°
S
180°
S
182°
S
182°
S
179°
S
Period6.7 sec.6.7 sec.10.4 sec.9.9 sec.6.5 sec.6.3 sec.10.6 sec.7.7 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 05:09 and will set at 18:41 on the beach(es) of Ilha Grande. The outside temperature will be a high of 77°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 8.1mph km/h (with gusts up to 11.8mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (73°F)23°C (73°F)24°C (75°F)24°C (76°F)25°C (77°F)25°C (77°F)24°C (76°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)26°C (78°F)26°C (79°F)27°C (80°F)27°C (81°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%82%82%78%76%74%82%84%
Barometric pressure1013 hPa1012 hPa1013 hPa1014 hPa1013 hPa1012 hPa1012 hPa1013 hPa
Cloud cover46%30%25%79%76%29%42%18%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)26°C (78°F)26°C (79°F)27°C (80°F)27°C (81°F)26°C (79°F)
Dew point20°C (68°F)19°C (67°F)20°C (67°F)20°C (68°F)20°C (67°F)20°C (68°F)22°C (71°F)21°C (70°F)
Wind
Speed4km/h (3mph)2km/h (1mph)4km/h (2mph)7km/h (4mph)11km/h (7mph)12km/h (7mph)13km/h (8mph)5km/h (3mph)
Gusts6km/h (4mph)3km/h (2mph)5km/h (3mph)9km/h (6mph)16km/h (10mph)17km/h (11mph)19km/h (12mph)9km/h (5mph)
Direction 17°
NNE
16°
NNE
311°
NW
147°
SSE
121°
ESE
114°
ESE
99°
E
26°
NNE
Wind chill23°C (74°F)23°C (73°F)23°C (73°F)24°C (75°F)24°C (76°F)25°C (77°F)25°C (77°F)24°C (76°F)
Waves
Height0.9m (2.9ft)0.8m (2.8ft)0.8m (2.7ft)0.8m (2.7ft)0.9m (2.9ft)0.9m (3.0ft)0.9m (2.9ft)0.9m (3.1ft)
Direction 178°
S
175°
S
169°
SSE
145°
SE
128°
SE
122°
ESE
121°
ESE
118°
ESE
Period9.9 sec.9.8 sec.9.6 sec.7.1 sec.7.1 sec.7.2 sec.7.2 sec.7.2 sec.
Significant height0.8m (2.6ft)0.2m (0.7ft)0.2m (0.7ft)0.9m (3ft)1.1m (3.6ft)1.2m (3.9ft)0.9m (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 21 December 2025

On Sunday 21 December 2025, the sun will rise at 05:09 and will set at 18:42 on the beach(es) of Ilha Grande. 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 10.6mph km/h (with gusts up to 18mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (75°F)24°C (75°F)25°C (77°F)22°C (72°F)25°C (77°F)26°C (78°F)25°C (76°F)
Perceived temperature26°C (79°F)26°C (78°F)26°C (78°F)27°C (80°F)25°C (76°F)27°C (81°F)28°C (82°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%78%74%69%69%75%80%84%
Barometric pressure1012 hPa1011 hPa1013 hPa1014 hPa1012 hPa1011 hPa1011 hPa1012 hPa
Cloud cover16%24%25%13%11%81%24%8%
Heat index26°C (79°F)26°C (78°F)26°C (78°F)27°C (80°F)25°C (76°F)27°C (81°F)28°C (82°F)27°C (80°F)
Dew point21°C (70°F)20°C (67°F)19°C (66°F)19°C (66°F)16°C (62°F)21°C (69°F)22°C (71°F)22°C (71°F)
Wind
Speed9km/h (6mph)7km/h (4mph)4km/h (2mph)3km/h (2mph)14km/h (9mph)17km/h (11mph)11km/h (7mph)6km/h (4mph)
Gusts15km/h (10mph)11km/h (7mph)6km/h (4mph)4km/h (3mph)29km/h (18mph)27km/h (17mph)18km/h (11mph)10km/h (6mph)
Direction 327°
NNW

N

N
78°
ENE
133°
SE
117°
ESE
90°
E
58°
ENE
Wind chill24°C (75°F)24°C (75°F)24°C (75°F)25°C (77°F)22°C (72°F)25°C (77°F)26°C (78°F)25°C (76°F)
Waves
Height1.1m (3.7ft)1.2m (3.8ft)1.1m (3.5ft)1.0m (3.2ft)0.9m (3.1ft)0.9m (3.0ft)1.0m (3.4ft)1.2m (4.0ft)
Direction 115°
ESE
113°
ESE
112°
ESE
112°
ESE
107°
ESE
106°
ESE
105°
ESE
108°
ESE
Period7.6 sec.7.6 sec.7.4 sec.7.2 sec.7.0 sec.7.1 sec.6.9 sec.6.6 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)1.0m (3.3ft)1.3m (4.3ft)1.3m (4.3ft)1.4m (4.6ft)0.1m (0.3ft)
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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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