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
Sunday 14 December 202579°F to 86°Fdiscouraged
Monday 15 December 202579°F to 85°Fdiscouraged
Tuesday 16 December 202579°F to 86°Fdiscouraged
Wednesday 17 December 202579°F to 86°Fdiscouraged
Thursday 18 December 202579°F to 85°Fdiscouraged
Friday 19 December 202579°F to 86°Fdiscouraged
Saturday 20 December 202579°F to 85°Fdiscouraged

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

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 05:44 and will set at 18:01 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 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 temperature26°C (79°F)27°C (80°F)26°C (79°F)29°C (84°F)30°C (86°F)28°C (82°F)27°C (80°F)27°C (80°F)
Perceived temperature30°C (85°F)30°C (85°F)29°C (84°F)33°C (91°F)33°C (92°F)29°C (85°F)29°C (84°F)30°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%82%85%70%62%60%73%82%
Barometric pressure1010 hPa1008 hPa1010 hPa1012 hPa1011 hPa1008 hPa1009 hPa1010 hPa
Cloud cover65%64%67%83%51%15%5%7%
Heat index30°C (85°F)30°C (85°F)29°C (84°F)33°C (91°F)33°C (92°F)29°C (85°F)29°C (84°F)30°C (85°F)
Dew point24°C (74°F)23°C (74°F)23°C (74°F)23°C (73°F)22°C (71°F)19°C (67°F)21°C (70°F)23°C (74°F)
Wind
Speed17km/h (11mph)17km/h (10mph)13km/h (8mph)19km/h (12mph)19km/h (12mph)21km/h (13mph)18km/h (11mph)17km/h (11mph)
Gusts25km/h (16mph)25km/h (16mph)21km/h (13mph)22km/h (13mph)23km/h (14mph)36km/h (23mph)31km/h (19mph)27km/h (17mph)
Direction 51°
NE
50°
NE
46°
NE
60°
ENE
64°
ENE
52°
NE
44°
NE
40°
NE
Wind chill26°C (79°F)27°C (80°F)26°C (79°F)29°C (84°F)30°C (86°F)28°C (82°F)27°C (80°F)27°C (80°F)
Waves
Height0.6m (1.8ft)0.6m (1.9ft)0.5m (1.7ft)0.5m (1.6ft)0.4m (1.4ft)0.4m (1.4ft)0.5m (1.5ft)0.5m (1.6ft)
Direction 36°
NE
40°
NE
38°
NE
43°
NE
43°
NE
48°
NE
47°
NE
36°
NE
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)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 on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 05:45 and will set at 18:01 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 14.3mph km/h (with gusts up to 24.9mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (80°F)26°C (79°F)26°C (79°F)29°C (84°F)29°C (84°F)28°C (82°F)26°C (79°F)26°C (80°F)
Perceived temperature29°C (85°F)29°C (85°F)29°C (85°F)33°C (91°F)32°C (90°F)29°C (85°F)29°C (84°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%83%82%69%65%63%78%82%
Barometric pressure1010 hPa1009 hPa1010 hPa1012 hPa1011 hPa1008 hPa1009 hPa1010 hPa
Cloud cover80%80%52%89%74%13%7%13%
Heat index29°C (85°F)29°C (85°F)29°C (85°F)33°C (91°F)32°C (90°F)29°C (85°F)29°C (84°F)29°C (85°F)
Dew point23°C (74°F)23°C (74°F)23°C (74°F)23°C (73°F)22°C (71°F)20°C (68°F)22°C (72°F)23°C (74°F)
Wind
Speed18km/h (11mph)18km/h (11mph)16km/h (10mph)19km/h (12mph)22km/h (13mph)23km/h (14mph)20km/h (13mph)17km/h (11mph)
Gusts26km/h (16mph)27km/h (17mph)24km/h (15mph)23km/h (14mph)27km/h (17mph)40km/h (25mph)35km/h (21mph)26km/h (16mph)
Direction 43°
NE
50°
NE
59°
ENE
61°
ENE
54°
NE
47°
NE
39°
NE
34°
NNE
Wind chill26°C (80°F)26°C (79°F)26°C (79°F)29°C (84°F)29°C (84°F)28°C (82°F)26°C (79°F)26°C (80°F)
Waves
Height0.5m (1.8ft)0.5m (1.8ft)0.5m (1.7ft)0.5m (1.6ft)0.4m (1.5ft)0.4m (1.4ft)0.4m (1.4ft)0.5m (1.6ft)
Direction 30°
NNE
33°
NNE
40°
NE
43°
NE
49°
NE
46°
NE
39°
NE
33°
NNE
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.
Significant height0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)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 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 05:45 and will set at 18:02 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 13.7mph km/h (with gusts up to 16.8mph). 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)29°C (84°F)26°C (79°F)29°C (84°F)27°C (80°F)26°C (78°F)
Perceived temperature29°C (84°F)29°C (84°F)29°C (84°F)32°C (90°F)28°C (82°F)32°C (89°F)29°C (85°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%85%81%67%61%60%73%84%
Barometric pressure1010 hPa1009 hPa1010 hPa1012 hPa1010 hPa1008 hPa1009 hPa1010 hPa
Cloud cover59%60%73%21%14%19%17%18%
Heat index29°C (84°F)29°C (84°F)29°C (84°F)32°C (90°F)28°C (82°F)32°C (89°F)29°C (85°F)28°C (83°F)
Dew point23°C (74°F)23°C (74°F)23°C (73°F)22°C (72°F)18°C (65°F)21°C (69°F)22°C (71°F)23°C (73°F)
Wind
Speed14km/h (9mph)15km/h (9mph)16km/h (10mph)19km/h (12mph)19km/h (12mph)22km/h (13mph)16km/h (10mph)14km/h (9mph)
Gusts22km/h (13mph)23km/h (14mph)24km/h (15mph)22km/h (14mph)20km/h (12mph)27km/h (17mph)24km/h (15mph)24km/h (15mph)
Direction 46°
NE
52°
NE
61°
ENE
60°
ENE
54°
NE
44°
NE
34°
NNE
31°
NNE
Wind chill26°C (79°F)26°C (79°F)26°C (79°F)29°C (84°F)26°C (79°F)29°C (84°F)27°C (80°F)26°C (78°F)
Waves
Height0.5m (1.5ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.5ft)0.5m (1.6ft)0.5m (1.5ft)0.4m (1.3ft)0.4m (1.4ft)
Direction 30°
NNE
36°
NE
43°
NE
54°
NE
56°
NE
48°
NE
41°
NE
34°
NNE
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)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 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 05:46 and will set at 18:02 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 13.1mph 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 (80°F)26°C (78°F)26°C (79°F)29°C (84°F)30°C (85°F)29°C (85°F)26°C (79°F)26°C (79°F)
Perceived temperature30°C (85°F)29°C (84°F)29°C (84°F)32°C (90°F)33°C (91°F)32°C (90°F)28°C (83°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%88%84%68%60%62%76%79%
Barometric pressure1010 hPa1008 hPa1010 hPa1012 hPa1010 hPa1007 hPa1008 hPa1009 hPa
Cloud cover56%78%67%71%83%23%12%31%
Heat index30°C (85°F)29°C (84°F)29°C (84°F)32°C (90°F)33°C (91°F)32°C (90°F)28°C (83°F)29°C (84°F)
Dew point23°C (74°F)24°C (74°F)23°C (74°F)22°C (72°F)21°C (70°F)21°C (70°F)21°C (71°F)22°C (72°F)
Wind
Speed18km/h (11mph)15km/h (9mph)16km/h (10mph)18km/h (11mph)19km/h (12mph)21km/h (13mph)18km/h (11mph)17km/h (11mph)
Gusts26km/h (16mph)23km/h (14mph)25km/h (16mph)21km/h (13mph)22km/h (14mph)26km/h (16mph)31km/h (19mph)27km/h (17mph)
Direction 36°
NE
47°
NE
56°
ENE
54°
NE
58°
ENE
45°
NE
44°
NE
45°
NE
Wind chill26°C (80°F)26°C (78°F)26°C (79°F)29°C (84°F)30°C (85°F)29°C (85°F)26°C (79°F)26°C (79°F)
Waves
Height0.5m (1.7ft)0.5m (1.8ft)0.5m (1.6ft)0.5m (1.5ft)0.4m (1.4ft)0.5m (1.5ft)0.4m (1.5ft)0.4m (1.4ft)
Direction 37°
NE
41°
NE
40°
NE
41°
NE
44°
NE
48°
NE
47°
NE
41°
NE
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.
Significant height0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)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 Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 05:46 and will set at 18:03 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 13.7mph 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)29°C (84°F)29°C (84°F)29°C (84°F)26°C (79°F)26°C (79°F)
Perceived temperature29°C (84°F)29°C (83°F)29°C (84°F)32°C (90°F)31°C (89°F)31°C (88°F)28°C (83°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%81%81%66%61%59%76%81%
Barometric pressure1009 hPa1008 hPa1009 hPa1011 hPa1010 hPa1007 hPa1008 hPa1010 hPa
Cloud cover37%58%87%68%19%17%72%71%
Heat index29°C (84°F)29°C (83°F)29°C (84°F)32°C (90°F)31°C (89°F)31°C (88°F)28°C (83°F)29°C (84°F)
Dew point22°C (72°F)22°C (72°F)23°C (73°F)22°C (72°F)21°C (69°F)20°C (69°F)21°C (71°F)23°C (73°F)
Wind
Speed14km/h (9mph)14km/h (9mph)15km/h (9mph)21km/h (13mph)22km/h (13mph)19km/h (12mph)18km/h (11mph)17km/h (10mph)
Gusts21km/h (13mph)22km/h (14mph)22km/h (14mph)24km/h (15mph)27km/h (17mph)25km/h (15mph)31km/h (20mph)26km/h (16mph)
Direction 49°
NE
54°
NE
59°
ENE
61°
ENE
61°
ENE
50°
NE
52°
NE
49°
NE
Wind chill26°C (79°F)26°C (79°F)26°C (79°F)29°C (84°F)29°C (84°F)29°C (84°F)26°C (79°F)26°C (79°F)
Waves
Height0.5m (1.7ft)0.5m (1.7ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.4ft)0.4m (1.5ft)0.5m (1.6ft)0.4m (1.4ft)
Direction 42°
NE
43°
NE
44°
NE
49°
NE
55°
NE
52°
NE
52°
NE
49°
NE
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.
Significant height0.7m (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)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 Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 05:47 and will set at 18:03 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 14.3mph km/h (with gusts up to 21.1mph). 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)29°C (84°F)30°C (85°F)29°C (84°F)27°C (80°F)27°C (80°F)
Perceived temperature29°C (84°F)29°C (84°F)29°C (84°F)32°C (90°F)32°C (90°F)31°C (88°F)29°C (85°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%81%83%68%60%63%77%78%
Barometric pressure1009 hPa1008 hPa1009 hPa1011 hPa1010 hPa1007 hPa1008 hPa1010 hPa
Cloud cover78%84%79%73%54%85%17%27%
Heat index29°C (84°F)29°C (84°F)29°C (84°F)32°C (90°F)32°C (90°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)22°C (72°F)21°C (70°F)21°C (70°F)22°C (72°F)22°C (72°F)
Wind
Speed15km/h (9mph)15km/h (10mph)17km/h (11mph)21km/h (13mph)22km/h (13mph)23km/h (14mph)21km/h (13mph)18km/h (11mph)
Gusts22km/h (14mph)24km/h (15mph)27km/h (17mph)34km/h (21mph)25km/h (15mph)29km/h (18mph)32km/h (20mph)27km/h (17mph)
Direction 56°
NE
56°
NE
68°
ENE
68°
ENE
56°
ENE
53°
NE
51°
NE
50°
NE
Wind chill26°C (79°F)26°C (79°F)26°C (79°F)29°C (84°F)30°C (85°F)29°C (84°F)27°C (80°F)27°C (80°F)
Waves
Height0.4m (1.3ft)0.4m (1.2ft)0.4m (1.2ft)0.4m (1.4ft)0.4m (1.5ft)0.5m (1.6ft)0.5m (1.5ft)0.4m (1.4ft)
Direction 44°
NE
38°
NE
45°
NE
61°
ENE
58°
ENE
53°
NE
46°
NE
43°
NE
Period0.1 sec.9.0 sec.9.0 sec.9.0 sec.9.0 sec.9.0 sec.9.0 sec.9.0 sec.
Significant height0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)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 Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 05:47 and will set at 18:04 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 14.3mph 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 temperature27°C (80°F)26°C (80°F)26°C (80°F)28°C (83°F)29°C (84°F)29°C (84°F)27°C (80°F)26°C (80°F)
Perceived temperature29°C (85°F)29°C (85°F)29°C (85°F)32°C (89°F)32°C (89°F)32°C (89°F)30°C (86°F)30°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%80%82%73%66%67%80%83%
Barometric pressure1009 hPa1008 hPa1009 hPa1011 hPa1010 hPa1007 hPa1008 hPa1010 hPa
Cloud cover78%62%66%72%86%71%73%66%
Heat index29°C (85°F)29°C (85°F)29°C (85°F)32°C (89°F)32°C (89°F)32°C (89°F)30°C (86°F)30°C (85°F)
Dew point22°C (72°F)23°C (73°F)23°C (74°F)23°C (73°F)22°C (71°F)22°C (72°F)23°C (73°F)23°C (74°F)
Wind
Speed17km/h (11mph)17km/h (10mph)17km/h (11mph)19km/h (12mph)21km/h (13mph)23km/h (15mph)18km/h (11mph)18km/h (11mph)
Gusts25km/h (15mph)25km/h (15mph)25km/h (16mph)25km/h (16mph)28km/h (17mph)30km/h (19mph)27km/h (17mph)28km/h (17mph)
Direction 56°
NE
66°
ENE
69°
ENE
75°
ENE
64°
ENE
43°
NE
35°
NE
53°
NE
Wind chill27°C (80°F)26°C (80°F)26°C (80°F)28°C (83°F)29°C (84°F)29°C (84°F)27°C (80°F)26°C (80°F)
Waves
Height0.5m (1.6ft)0.6m (1.8ft)0.6m (2.0ft)0.5m (1.7ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.4ft)0.4m (1.5ft)
Direction 39°
NE
41°
NE
50°
NE
56°
ENE
57°
ENE
54°
NE
46°
NE
43°
NE
Period9.0 sec.9.0 sec.9.0 sec.9.0 sec.9.0 sec.9.0 sec.9.0 sec.9.0 sec.
Significant height0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)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

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