Sea weather in São Luis de Maranhão in Brazil All the beach weather in São Luis de Maranhão

All the essential weather information for enjoying the beach in São Luis de Maranhão 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 São Luis de Maranhão over the next 7 days?

Discover the best moment to go to the beach in São Luis de Maranhão in Brazil this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in São Luis de Maranhão. 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 202577°F to 86°Frecommended
Saturday 6 December 202579°F to 86°Fdiscouraged
Sunday 7 December 202579°F to 85°Fdiscouraged
Monday 8 December 202579°F to 85°Fdiscouraged
Tuesday 9 December 202577°F to 85°Fdiscouraged
Wednesday 10 December 202579°F to 85°Fdiscouraged
Thursday 11 December 202577°F to 85°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in São Luis de Maranhão

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 05:41 and will set at 17:57 on the beach(es) of São Luis de Maranhão. The outside temperature will be a high of 86°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 11.2mph km/h (with gusts up to 16.2mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (78°F)26°C (78°F)29°C (83°F)30°C (86°F)29°C (85°F)27°C (80°F)26°C (79°F)
Perceived temperature28°C (83°F)28°C (82°F)28°C (83°F)32°C (89°F)33°C (91°F)32°C (89°F)30°C (85°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%85%85%71%59%61%76%83%
Barometric pressure1010 hPa1009 hPa1010 hPa1012 hPa1011 hPa1009 hPa1009 hPa1011 hPa
Cloud cover32%81%64%79%82%23%18%51%
Heat index28°C (83°F)28°C (82°F)28°C (83°F)32°C (89°F)33°C (91°F)32°C (89°F)30°C (85°F)29°C (85°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)21°C (70°F)21°C (70°F)22°C (72°F)23°C (74°F)
Wind
Speed13km/h (8mph)13km/h (8mph)14km/h (9mph)15km/h (10mph)18km/h (11mph)18km/h (11mph)15km/h (9mph)17km/h (11mph)
Gusts21km/h (13mph)22km/h (14mph)22km/h (14mph)20km/h (12mph)22km/h (14mph)23km/h (14mph)22km/h (14mph)26km/h (16mph)
Direction 41°
NE
48°
NE
47°
NE
64°
ENE
52°
NE
45°
NE
35°
NE
39°
NE
Wind chill26°C (78°F)25°C (78°F)26°C (78°F)29°C (83°F)30°C (86°F)29°C (85°F)27°C (80°F)26°C (79°F)
Waves
Height0.5m (1.6ft)0.5m (1.7ft)0.5m (1.7ft)0.4m (1.5ft)0.4m (1.3ft)0.4m (1.2ft)0.5m (1.5ft)0.5m (1.6ft)
Direction 33°
NNE
34°
NNE
34°
NE
35°
NE
43°
NE
34°
NNE
41°
NE
35°
NE
Period2.8 sec.3.0 sec.2.8 sec.2.7 sec.2.6 sec.4.4 sec.2.6 sec.2.8 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 05:41 and will set at 17:57 on the beach(es) of São Luis de Maranhão. 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 16.2mph km/h (with gusts up to 21.1mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (79°F)26°C (79°F)28°C (82°F)30°C (85°F)29°C (85°F)27°C (80°F)27°C (80°F)
Perceived temperature29°C (85°F)29°C (84°F)29°C (84°F)31°C (89°F)32°C (90°F)32°C (90°F)30°C (85°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%83%84%76%62%62%78%81%
Barometric pressure1010 hPa1009 hPa1010 hPa1012 hPa1011 hPa1008 hPa1009 hPa1011 hPa
Cloud cover61%53%64%73%70%19%18%31%
Heat index29°C (85°F)29°C (84°F)29°C (84°F)31°C (89°F)32°C (90°F)32°C (90°F)30°C (85°F)29°C (85°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)21°C (70°F)21°C (70°F)23°C (73°F)23°C (73°F)
Wind
Speed17km/h (11mph)17km/h (11mph)17km/h (11mph)20km/h (12mph)24km/h (15mph)26km/h (16mph)19km/h (12mph)18km/h (11mph)
Gusts25km/h (16mph)26km/h (16mph)26km/h (16mph)28km/h (17mph)29km/h (18mph)34km/h (21mph)30km/h (18mph)28km/h (17mph)
Direction 51°
NE
55°
NE
59°
ENE
69°
ENE
52°
NE
40°
NE
36°
NE
50°
NE
Wind chill26°C (79°F)26°C (79°F)26°C (79°F)28°C (82°F)30°C (85°F)29°C (85°F)27°C (80°F)27°C (80°F)
Waves
Height0.5m (1.7ft)0.5m (1.8ft)0.6m (1.8ft)0.5m (1.8ft)0.6m (1.9ft)0.7m (2.3ft)0.6m (2.0ft)0.5m (1.8ft)
Direction 38°
NE
44°
NE
48°
NE
52°
NE
56°
ENE
46°
NE
39°
NE
36°
NE
Period2.9 sec.3.0 sec.3.0 sec.2.9 sec.2.9 sec.3.2 sec.3.2 sec.3.0 sec.
Significant height0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)0.8m (2.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 05:41 and will set at 17:57 on the beach(es) of São Luis de Maranhão. 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 15.5mph km/h (with gusts up to 20.5mph). 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)29°C (84°F)29°C (84°F)27°C (81°F)26°C (79°F)27°C (80°F)
Perceived temperature29°C (85°F)29°C (84°F)29°C (84°F)32°C (89°F)32°C (89°F)29°C (83°F)28°C (83°F)30°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%80%78%66%63%61%73%79%
Barometric pressure1011 hPa1009 hPa1010 hPa1012 hPa1011 hPa1008 hPa1009 hPa1011 hPa
Cloud cover46%75%71%52%62%13%11%87%
Heat index29°C (85°F)29°C (84°F)29°C (84°F)32°C (89°F)32°C (89°F)29°C (83°F)28°C (83°F)30°C (85°F)
Dew point23°C (73°F)22°C (72°F)22°C (72°F)22°C (71°F)21°C (70°F)19°C (66°F)21°C (70°F)23°C (73°F)
Wind
Speed18km/h (11mph)17km/h (11mph)19km/h (12mph)22km/h (14mph)24km/h (15mph)25km/h (16mph)20km/h (12mph)19km/h (12mph)
Gusts27km/h (17mph)27km/h (17mph)29km/h (18mph)26km/h (16mph)28km/h (18mph)31km/h (19mph)33km/h (21mph)28km/h (17mph)
Direction 57°
ENE
65°
ENE
78°
ENE
77°
ENE
58°
ENE
44°
NE
31°
NNE
45°
NE
Wind chill27°C (80°F)26°C (79°F)26°C (79°F)29°C (84°F)29°C (84°F)27°C (81°F)26°C (79°F)27°C (80°F)
Waves
Height0.6m (1.9ft)0.6m (2.0ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.0ft)0.6m (2.1ft)0.5m (1.7ft)0.5m (1.5ft)
Direction 42°
NE
52°
NE
60°
ENE
65°
ENE
61°
ENE
44°
NE
33°
NNE
34°
NE
Period2.9 sec.3.0 sec.3.0 sec.3.0 sec.3.1 sec.3.2 sec.3.1 sec.2.5 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.9m (3ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 05:42 and will set at 17:58 on the beach(es) of São Luis de Maranhão. 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 14.9mph 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 temperature26°C (79°F)26°C (78°F)26°C (79°F)29°C (83°F)29°C (84°F)27°C (81°F)27°C (80°F)26°C (79°F)
Perceived temperature29°C (84°F)28°C (83°F)29°C (84°F)32°C (89°F)32°C (89°F)29°C (84°F)30°C (85°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%82%81%69%64%63%77%83%
Barometric pressure1011 hPa1009 hPa1010 hPa1013 hPa1011 hPa1008 hPa1009 hPa1010 hPa
Cloud cover71%80%89%84%70%13%22%77%
Heat index29°C (84°F)28°C (83°F)29°C (84°F)32°C (89°F)32°C (89°F)29°C (84°F)30°C (85°F)29°C (84°F)
Dew point23°C (73°F)22°C (72°F)23°C (73°F)22°C (72°F)22°C (71°F)20°C (67°F)22°C (72°F)23°C (73°F)
Wind
Speed15km/h (9mph)14km/h (9mph)18km/h (11mph)22km/h (14mph)22km/h (13mph)24km/h (15mph)18km/h (11mph)17km/h (11mph)
Gusts23km/h (14mph)24km/h (15mph)27km/h (17mph)27km/h (17mph)28km/h (17mph)28km/h (17mph)28km/h (17mph)26km/h (16mph)
Direction 51°
NE
49°
NE
60°
ENE
76°
ENE
67°
ENE
45°
NE
34°
NNE
48°
NE
Wind chill26°C (79°F)26°C (78°F)26°C (79°F)29°C (83°F)29°C (84°F)27°C (81°F)27°C (80°F)26°C (79°F)
Waves
Height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.7ft)0.6m (1.9ft)0.6m (1.9ft)0.7m (2.2ft)0.5m (1.8ft)0.5m (1.8ft)
Direction 43°
NE
47°
NE
53°
NE
56°
ENE
58°
ENE
47°
NE
37°
NE
34°
NNE
Period2.6 sec.2.7 sec.2.8 sec.3.0 sec.3.0 sec.3.2 sec.3.0 sec.3.0 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 05:42 and will set at 17:58 on the beach(es) of São Luis de Maranhão. The outside temperature will be a high of 85°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 14.3mph km/h (with gusts up to 20.5mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (80°F)27°C (80°F)25°C (77°F)27°C (81°F)29°C (84°F)29°C (83°F)27°C (80°F)26°C (79°F)
Perceived temperature29°C (85°F)30°C (85°F)28°C (82°F)31°C (87°F)32°C (89°F)31°C (88°F)29°C (85°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%80%87%77%64%65%80%84%
Barometric pressure1011 hPa1009 hPa1010 hPa1013 hPa1011 hPa1008 hPa1009 hPa1010 hPa
Cloud cover85%72%63%58%84%72%70%74%
Heat index29°C (85°F)30°C (85°F)28°C (82°F)31°C (87°F)32°C (89°F)31°C (88°F)29°C (85°F)29°C (84°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)21°C (70°F)21°C (71°F)23°C (73°F)23°C (74°F)
Wind
Speed17km/h (11mph)18km/h (11mph)15km/h (9mph)19km/h (12mph)22km/h (13mph)23km/h (14mph)17km/h (11mph)18km/h (11mph)
Gusts26km/h (16mph)26km/h (16mph)25km/h (15mph)33km/h (21mph)29km/h (18mph)31km/h (19mph)25km/h (16mph)28km/h (17mph)
Direction 50°
NE
46°
NE
48°
NE
68°
ENE
57°
ENE
40°
NE
35°
NE
32°
NNE
Wind chill26°C (80°F)27°C (80°F)25°C (77°F)27°C (81°F)29°C (84°F)29°C (83°F)27°C (80°F)26°C (79°F)
Waves
Height0.6m (1.8ft)0.5m (1.7ft)0.5m (1.8ft)0.5m (1.8ft)0.5m (1.8ft)0.7m (2.2ft)0.6m (1.9ft)0.5m (1.8ft)
Direction 37°
NE
36°
NE
44°
NE
57°
ENE
58°
ENE
47°
NE
40°
NE
35°
NE
Period2.9 sec.2.9 sec.2.8 sec.2.8 sec.2.9 sec.3.2 sec.3.1 sec.3.0 sec.
Significant height0.8m (2.6ft)0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 05:43 and will set at 17:59 on the beach(es) of São Luis de Maranhão. 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 13.1mph 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 temperature27°C (80°F)27°C (80°F)26°C (78°F)28°C (82°F)29°C (84°F)27°C (80°F)27°C (80°F)26°C (79°F)
Perceived temperature29°C (85°F)29°C (85°F)28°C (83°F)31°C (88°F)31°C (88°F)29°C (83°F)30°C (85°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%78%86%75%64%64%80%84%
Barometric pressure1010 hPa1009 hPa1010 hPa1012 hPa1012 hPa1009 hPa1009 hPa1010 hPa
Cloud cover97%69%53%81%84%10%42%65%
Heat index29°C (85°F)29°C (85°F)28°C (83°F)31°C (88°F)31°C (88°F)29°C (83°F)30°C (85°F)29°C (84°F)
Dew point23°C (73°F)22°C (72°F)23°C (73°F)23°C (73°F)21°C (70°F)20°C (67°F)23°C (73°F)23°C (74°F)
Wind
Speed19km/h (12mph)19km/h (12mph)14km/h (9mph)17km/h (10mph)21km/h (13mph)21km/h (13mph)19km/h (12mph)15km/h (9mph)
Gusts28km/h (18mph)27km/h (17mph)23km/h (14mph)24km/h (15mph)27km/h (17mph)36km/h (22mph)28km/h (17mph)24km/h (15mph)
Direction 48°
NE
52°
NE
57°
ENE
64°
ENE
62°
ENE
41°
NE
25°
NNE
37°
NE
Wind chill27°C (80°F)27°C (80°F)26°C (78°F)28°C (82°F)29°C (84°F)27°C (80°F)27°C (80°F)26°C (79°F)
Waves
Height0.6m (1.8ft)0.5m (1.7ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.7ft)0.6m (2.0ft)0.6m (2.0ft)
Direction 37°
NE
42°
NE
44°
NE
49°
NE
51°
NE
46°
NE
40°
NE
31°
NNE
Period3.0 sec.2.8 sec.2.8 sec.2.8 sec.2.7 sec.2.8 sec.3.0 sec.3.2 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather on Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 05:43 and will set at 17:59 on the beach(es) of São Luis de Maranhão. The outside temperature will be a high of 85°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 14.3mph km/h (with gusts up to 19.3mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (79°F)26°C (79°F)28°C (83°F)29°C (85°F)29°C (84°F)25°C (78°F)26°C (79°F)
Perceived temperature29°C (85°F)29°C (84°F)29°C (84°F)32°C (90°F)33°C (91°F)32°C (89°F)28°C (82°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%84%84%74%63%65%81%83%
Barometric pressure1009 hPa1008 hPa1009 hPa1010 hPa1009 hPa1007 hPa1008 hPa1010 hPa
Cloud cover52%57%51%71%52%73%89%45%
Heat index29°C (85°F)29°C (84°F)29°C (84°F)32°C (90°F)33°C (91°F)32°C (89°F)28°C (82°F)29°C (84°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)22°C (71°F)22°C (71°F)22°C (71°F)23°C (73°F)
Wind
Speed19km/h (12mph)18km/h (11mph)18km/h (11mph)23km/h (14mph)23km/h (15mph)22km/h (14mph)18km/h (11mph)19km/h (12mph)
Gusts29km/h (18mph)29km/h (18mph)27km/h (17mph)29km/h (18mph)29km/h (18mph)29km/h (18mph)31km/h (19mph)30km/h (18mph)
Direction 50°
NE
56°
NE
61°
ENE
64°
ENE
58°
ENE
52°
NE
40°
NE
48°
NE
Wind chill26°C (79°F)26°C (79°F)26°C (79°F)28°C (83°F)29°C (85°F)29°C (84°F)25°C (78°F)26°C (79°F)
Waves
Height0.5m (1.8ft)0.5m (1.7ft)0.5m (1.7ft)0.5m (1.8ft)0.5m (1.7ft)0.5m (1.5ft)0.5m (1.5ft)0.5m (1.7ft)
Direction 30°
NNE
36°
NE
44°
NE
54°
NE
54°
NE
51°
NE
44°
NE
40°
NE
Period3.2 sec.2.7 sec.2.7 sec.2.9 sec.2.8 sec.2.6 sec.2.6 sec.2.8 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

Change units