Sea weather in Mana in French Guyana All the beach weather in Mana

All the essential weather information for enjoying the beach in Mana in French Guyana, 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 Mana over the next 7 days?

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

Date Outside temp. Our opinion
Sunday 19 July 202677°F to 83°Frecommended
Monday 20 July 202676°F to 83°Frecommended
Tuesday 21 July 202676°F to 83°Fdiscouraged
Wednesday 22 July 202676°F to 83°Frecommended
Thursday 23 July 202676°F to 83°Frecommended
Friday 24 July 202679°F to 83°Fdiscouraged
Saturday 25 July 202677°F to 81°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Mana

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 06:30 and will set at 18:55 on the beach(es) of Mana. The outside temperature will be a high of 83°F t and a low of 77°F. Precipitation is in the forecast (0.1in 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 12.4mph km/h (with gusts up to 20.5mph). 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 (78°F)25°C (77°F)26°C (79°F)28°C (82°F)27°C (81°F)27°C (80°F)26°C (79°F)
Perceived temperature29°C (85°F)28°C (83°F)28°C (82°F)29°C (85°F)31°C (87°F)30°C (87°F)29°C (85°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%89%90%84%67%75%80%85%
Barometric pressure1013 hPa1011 hPa1011 hPa1013 hPa1013 hPa1010 hPa1010 hPa1012 hPa
Cloud cover88%34%52%53%18%72%88%87%
Heat index29°C (85°F)28°C (83°F)28°C (82°F)29°C (85°F)31°C (87°F)30°C (87°F)29°C (85°F)29°C (84°F)
Dew point24°C (75°F)24°C (74°F)23°C (74°F)23°C (74°F)21°C (70°F)23°C (73°F)23°C (73°F)23°C (74°F)
Wind
Speed17km/h (11mph)17km/h (11mph)15km/h (9mph)13km/h (8mph)15km/h (10mph)19km/h (12mph)18km/h (11mph)20km/h (12mph)
Gusts27km/h (17mph)26km/h (16mph)24km/h (15mph)17km/h (11mph)22km/h (14mph)27km/h (17mph)29km/h (18mph)33km/h (20mph)
Direction 91°
E
98°
E
109°
ESE
119°
ESE
83°
E
66°
ENE
69°
ENE
71°
ENE
Wind chill26°C (79°F)26°C (78°F)25°C (77°F)26°C (79°F)28°C (82°F)27°C (81°F)27°C (80°F)26°C (79°F)
Waves
Height0.5m (1.6ft)0.5m (1.7ft)0.5m (1.6ft)0.4m (1.4ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.7ft)
Direction 29°
NNE
28°
NNE
27°
NNE
28°
NNE
29°
NNE
29°
NNE
29°
NNE
30°
NNE
Period6.9 sec.7.4 sec.7.4 sec.7.4 sec.7.4 sec.7.4 sec.7.4 sec.7.4 sec.
Significant height0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)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 Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 06:30 and will set at 18:54 on the beach(es) of Mana. The outside temperature will be a high of 83°F t and a low of 76°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 12.4mph 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 temperature26°C (78°F)26°C (78°F)25°C (77°F)27°C (80°F)25°C (76°F)26°C (78°F)26°C (79°F)26°C (79°F)
Perceived temperature29°C (84°F)28°C (82°F)27°C (81°F)30°C (85°F)26°C (79°F)28°C (82°F)29°C (84°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%84%85%78%68%71%81%86%
Barometric pressure1013 hPa1011 hPa1011 hPa1013 hPa1013 hPa1010 hPa1009 hPa1012 hPa
Cloud cover17%12%25%32%84%10%5%14%
Heat index29°C (84°F)28°C (82°F)27°C (81°F)30°C (85°F)26°C (79°F)28°C (82°F)29°C (84°F)29°C (84°F)
Dew point23°C (74°F)23°C (73°F)22°C (72°F)23°C (73°F)18°C (65°F)20°C (68°F)23°C (73°F)23°C (74°F)
Wind
Speed16km/h (10mph)16km/h (10mph)14km/h (9mph)15km/h (9mph)18km/h (11mph)20km/h (13mph)20km/h (13mph)19km/h (12mph)
Gusts25km/h (16mph)25km/h (15mph)23km/h (15mph)20km/h (12mph)24km/h (15mph)37km/h (23mph)33km/h (20mph)29km/h (18mph)
Direction 87°
E
87°
E
102°
ESE
103°
ESE
76°
ENE
72°
ENE
76°
ENE
88°
E
Wind chill26°C (78°F)26°C (78°F)25°C (77°F)27°C (80°F)25°C (76°F)26°C (78°F)26°C (79°F)26°C (79°F)
Waves
Height0.5m (1.7ft)0.5m (1.6ft)0.5m (1.5ft)0.4m (1.5ft)0.5m (1.5ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.7ft)
Direction 29°
NNE
29°
NNE
29°
NNE
29°
NNE
29°
NNE
29°
NNE
30°
NNE
30°
NNE
Period7.4 sec.7.5 sec.7.5 sec.7.4 sec.7.4 sec.7.4 sec.7.4 sec.7.4 sec.
Significant height0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 06:30 and will set at 18:54 on the beach(es) of Mana. The outside temperature will be a high of 83°F t and a low of 76°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 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 (78°F)25°C (77°F)25°C (76°F)26°C (79°F)25°C (77°F)26°C (79°F)26°C (79°F)26°C (79°F)
Perceived temperature29°C (84°F)28°C (82°F)27°C (81°F)29°C (85°F)26°C (80°F)28°C (82°F)28°C (83°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%87%90%84%67%71%80%83%
Barometric pressure1012 hPa1010 hPa1011 hPa1013 hPa1012 hPa1010 hPa1010 hPa1012 hPa
Cloud cover28%81%64%35%3%3%5%11%
Heat index29°C (84°F)28°C (82°F)27°C (81°F)29°C (85°F)26°C (80°F)28°C (82°F)28°C (83°F)29°C (84°F)
Dew point24°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)18°C (65°F)20°C (68°F)22°C (72°F)23°C (73°F)
Wind
Speed17km/h (10mph)16km/h (10mph)14km/h (9mph)16km/h (10mph)21km/h (13mph)23km/h (14mph)22km/h (14mph)22km/h (13mph)
Gusts26km/h (16mph)26km/h (16mph)23km/h (14mph)21km/h (13mph)22km/h (14mph)24km/h (15mph)36km/h (23mph)33km/h (20mph)
Direction 91°
E
91°
E
108°
ESE
114°
ESE
84°
E
74°
ENE
80°
E
84°
E
Wind chill26°C (78°F)25°C (77°F)25°C (76°F)26°C (79°F)25°C (77°F)26°C (79°F)26°C (79°F)26°C (79°F)
Waves
Height0.5m (1.6ft)0.5m (1.5ft)0.4m (1.5ft)0.5m (1.5ft)0.5m (1.6ft)0.5m (1.8ft)0.6m (1.8ft)0.6m (2.0ft)
Direction 30°
NNE
29°
NNE
29°
NNE
29°
NNE
29°
NNE
69°
ENE
59°
ENE
57°
ENE
Period7.3 sec.7.3 sec.7.3 sec.7.3 sec.7.3 sec.7.3 sec.7.3 sec.7.3 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.9m (3ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 06:30 and will set at 18:54 on the beach(es) of Mana. The outside temperature will be a high of 83°F t and a low of 76°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 12.4mph km/h (with gusts up to 19.9mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)24°C (76°F)25°C (76°F)27°C (80°F)25°C (76°F)26°C (78°F)26°C (78°F)26°C (79°F)
Perceived temperature28°C (83°F)27°C (80°F)27°C (80°F)29°C (84°F)26°C (79°F)27°C (81°F)28°C (82°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%86%85%71%56%62%74%82%
Barometric pressure1013 hPa1011 hPa1011 hPa1013 hPa1013 hPa1011 hPa1011 hPa1013 hPa
Cloud cover27%30%38%23%0%6%7%8%
Heat index28°C (83°F)27°C (80°F)27°C (80°F)29°C (84°F)26°C (79°F)27°C (81°F)28°C (82°F)29°C (84°F)
Dew point23°C (73°F)22°C (71°F)22°C (71°F)21°C (70°F)15°C (60°F)18°C (64°F)21°C (70°F)23°C (73°F)
Wind
Speed20km/h (12mph)16km/h (10mph)15km/h (9mph)16km/h (10mph)17km/h (11mph)17km/h (11mph)17km/h (10mph)16km/h (10mph)
Gusts30km/h (18mph)26km/h (16mph)24km/h (15mph)21km/h (13mph)18km/h (11mph)32km/h (20mph)27km/h (17mph)24km/h (15mph)
Direction 98°
E
109°
ESE
102°
ESE
103°
ESE
84°
E
74°
ENE
71°
ENE
71°
ENE
Wind chill26°C (78°F)24°C (76°F)25°C (76°F)27°C (80°F)25°C (76°F)26°C (78°F)26°C (78°F)26°C (79°F)
Waves
Height0.6m (1.8ft)0.5m (1.7ft)0.5m (1.5ft)0.4m (1.4ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)
Direction 59°
ENE
58°
ENE
51°
NE
31°
NNE
32°
NNE
32°
NNE
32°
NNE
62°
ENE
Period7.3 sec.7.5 sec.7.4 sec.7.4 sec.7.4 sec.7.4 sec.7.4 sec.7.4 sec.
Significant height0.9m (3ft)0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 06:30 and will set at 18:54 on the beach(es) of Mana. The outside temperature will be a high of 83°F t and a low of 76°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 17.4mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (76°F)24°C (76°F)26°C (80°F)28°C (82°F)28°C (82°F)27°C (80°F)27°C (80°F)
Perceived temperature28°C (83°F)27°C (81°F)27°C (80°F)29°C (85°F)30°C (86°F)31°C (87°F)30°C (86°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%88%90%80%69%70%79%80%
Barometric pressure1013 hPa1011 hPa1012 hPa1014 hPa1013 hPa1011 hPa1011 hPa1013 hPa
Cloud cover80%82%21%84%82%28%81%70%
Heat index28°C (83°F)27°C (81°F)27°C (80°F)29°C (85°F)30°C (86°F)31°C (87°F)30°C (86°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)22°C (71°F)23°C (73°F)23°C (73°F)
Wind
Speed14km/h (9mph)10km/h (6mph)10km/h (6mph)13km/h (8mph)16km/h (10mph)18km/h (11mph)19km/h (12mph)18km/h (11mph)
Gusts22km/h (14mph)16km/h (10mph)16km/h (10mph)17km/h (11mph)23km/h (15mph)25km/h (16mph)28km/h (17mph)28km/h (17mph)
Direction 84°
E
112°
ESE
105°
ESE
105°
ESE
75°
ENE
64°
ENE
79°
E
78°
ENE
Wind chill26°C (78°F)25°C (76°F)24°C (76°F)26°C (80°F)28°C (82°F)28°C (82°F)27°C (80°F)27°C (80°F)
Waves
Height0.4m (1.4ft)0.4m (1.3ft)0.4m (1.2ft)0.4m (1.2ft)0.3m (1.1ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.4ft)
Direction 58°
ENE
58°
ENE
31°
NNE
30°
NNE
30°
NNE
68°
ENE
65°
ENE
67°
ENE
Period7.4 sec.7.4 sec.7.3 sec.7.1 sec.7.0 sec.7.0 sec.7.0 sec.7.0 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 06:30 and will set at 18:54 on the beach(es) of Mana. The outside temperature will be a high of 83°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 (79°F)26°C (79°F)26°C (79°F)27°C (81°F)27°C (81°F)28°C (82°F)27°C (80°F)26°C (79°F)
Perceived temperature29°C (84°F)29°C (84°F)29°C (84°F)31°C (87°F)30°C (86°F)31°C (88°F)30°C (86°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%82%85%78%75%71%83%87%
Barometric pressure1014 hPa1012 hPa1013 hPa1015 hPa1015 hPa1013 hPa1013 hPa1014 hPa
Cloud cover79%74%53%75%58%71%25%39%
Heat index29°C (84°F)29°C (84°F)29°C (84°F)31°C (87°F)30°C (86°F)31°C (88°F)30°C (86°F)29°C (85°F)
Dew point23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)22°C (72°F)22°C (72°F)23°C (74°F)24°C (75°F)
Wind
Speed15km/h (9mph)17km/h (10mph)15km/h (10mph)16km/h (10mph)16km/h (10mph)21km/h (13mph)20km/h (13mph)20km/h (12mph)
Gusts24km/h (15mph)25km/h (16mph)24km/h (15mph)21km/h (13mph)24km/h (15mph)27km/h (17mph)30km/h (18mph)31km/h (19mph)
Direction 94°
E
95°
E
97°
E
101°
E
89°
E
73°
ENE
76°
ENE
75°
ENE
Wind chill26°C (79°F)26°C (79°F)26°C (79°F)27°C (81°F)27°C (81°F)28°C (82°F)27°C (80°F)26°C (79°F)
Waves
Height0.4m (1.3ft)0.3m (1.1ft)0.4m (1.2ft)0.3m (1.1ft)0.4m (1.2ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.7ft)
Direction 59°
ENE
54°
NE
55°
NE
28°
NNE
27°
NNE
63°
ENE
64°
ENE
56°
ENE
Period6.0 sec.5.9 sec.7.3 sec.6.2 sec.7.6 sec.7.6 sec.7.6 sec.7.6 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)0.8m (2.6ft)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 Saturday 25 July 2026

On Saturday 25 July 2026, the sun will rise at 06:30 and will set at 18:54 on the beach(es) of Mana. The outside temperature will be a high of 81°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 13.1mph km/h (with gusts up to 22.4mph). 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 (78°F)27°C (81°F)25°C (77°F)26°C (79°F)26°C (79°F)26°C (79°F)
Perceived temperature30°C (85°F)29°C (84°F)29°C (84°F)31°C (87°F)26°C (80°F)28°C (82°F)29°C (84°F)30°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%85%86%79%71%72%82%87%
Barometric pressure1015 hPa1014 hPa1014 hPa1016 hPa1016 hPa1014 hPa1014 hPa1015 hPa
Cloud cover33%43%68%86%11%6%4%10%
Heat index30°C (85°F)29°C (84°F)29°C (84°F)31°C (87°F)26°C (80°F)28°C (82°F)29°C (84°F)30°C (85°F)
Dew point24°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)19°C (67°F)21°C (69°F)23°C (73°F)24°C (75°F)
Wind
Speed18km/h (11mph)18km/h (11mph)19km/h (12mph)20km/h (12mph)21km/h (13mph)19km/h (12mph)19km/h (12mph)17km/h (11mph)
Gusts27km/h (17mph)28km/h (17mph)29km/h (18mph)26km/h (16mph)23km/h (14mph)36km/h (22mph)31km/h (19mph)26km/h (16mph)
Direction 77°
ENE
82°
E
81°
E
85°
E
81°
E
76°
ENE
73°
ENE
73°
ENE
Wind chill26°C (80°F)26°C (79°F)26°C (78°F)27°C (81°F)25°C (77°F)26°C (79°F)26°C (79°F)26°C (79°F)
Waves
Height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.7ft)0.5m (1.6ft)0.5m (1.5ft)0.5m (1.6ft)0.5m (1.5ft)0.4m (1.5ft)
Direction 54°
NE
26°
NNE
25°
NNE
26°
NNE
28°
NNE
29°
NNE
29°
NNE
30°
NNE
Period7.6 sec.7.6 sec.7.6 sec.7.5 sec.7.5 sec.7.5 sec.7.5 sec.7.5 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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