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
Friday 5 December 202577°F to 83°Fdiscouraged
Saturday 6 December 202577°F to 83°Fdiscouraged
Sunday 7 December 202579°F to 83°Fdiscouraged
Monday 8 December 202579°F to 81°Fdiscouraged
Tuesday 9 December 202577°F to 81°Fdiscouraged
Wednesday 10 December 202579°F to 81°Fdiscouraged
Thursday 11 December 202577°F to 81°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Mana

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 06:32 and will set at 18:21 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 14.3mph km/h (with gusts up to 21.8mph). 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)25°C (76°F)27°C (80°F)28°C (82°F)26°C (79°F)27°C (80°F)27°C (80°F)
Perceived temperature29°C (84°F)29°C (84°F)27°C (81°F)30°C (86°F)31°C (87°F)28°C (82°F)30°C (85°F)30°C (85°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity83%84%88%84%69%69%78%80%
Barometric pressure1010 hPa1009 hPa1010 hPa1012 hPa1011 hPa1009 hPa1009 hPa1010 hPa
Cloud cover79%59%78%57%75%14%28%25%
Heat index29°C (84°F)29°C (84°F)27°C (81°F)30°C (86°F)31°C (87°F)28°C (82°F)30°C (85°F)30°C (85°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)24°C (74°F)22°C (71°F)20°C (68°F)23°C (73°F)23°C (73°F)
Wind
Speed17km/h (10mph)14km/h (9mph)13km/h (8mph)15km/h (10mph)18km/h (11mph)21km/h (13mph)23km/h (15mph)22km/h (14mph)
Gusts26km/h (16mph)21km/h (13mph)21km/h (13mph)26km/h (16mph)25km/h (16mph)26km/h (16mph)35km/h (22mph)34km/h (21mph)
Direction 70°
ENE
88°
E
102°
ESE
93°
E
81°
E
72°
ENE
70°
ENE
74°
ENE
Wind chill26°C (79°F)26°C (79°F)25°C (76°F)27°C (80°F)28°C (82°F)26°C (79°F)27°C (80°F)27°C (80°F)
Waves
Height0.6m (2.0ft)0.6m (1.9ft)0.6m (1.9ft)0.6m (1.9ft)0.6m (2.0ft)0.6m (2.1ft)0.7m (2.2ft)0.7m (2.2ft)
Direction 30°
NNE
29°
NNE
29°
NNE
29°
NNE
30°
NNE
30°
NNE
31°
NNE
31°
NNE
Period14.6 sec.14.6 sec.9.6 sec.9.8 sec.16.7 sec.16.5 sec.16.5 sec.16.3 sec.
Significant height0.7m (2.3ft)0.5m (1.6ft)0.5m (1.6ft)0.9m (3ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)
Sea water temperature
Water temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 06:33 and will set at 18:21 on the beach(es) of Mana. The outside temperature will be a high of 83°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 15.5mph km/h (with gusts up to 26.1mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (79°F)26°C (78°F)27°C (81°F)28°C (83°F)26°C (79°F)26°C (79°F)27°C (80°F)
Perceived temperature30°C (85°F)29°C (84°F)29°C (83°F)30°C (87°F)31°C (88°F)28°C (82°F)29°C (84°F)30°C (86°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%82%86%78%70%70%79%83%
Barometric pressure1010 hPa1008 hPa1009 hPa1012 hPa1012 hPa1009 hPa1009 hPa1011 hPa
Cloud cover52%56%82%89%89%9%11%29%
Heat index30°C (85°F)29°C (84°F)29°C (83°F)30°C (87°F)31°C (88°F)28°C (82°F)29°C (84°F)30°C (86°F)
Dew point23°C (74°F)23°C (73°F)23°C (74°F)23°C (74°F)22°C (72°F)20°C (69°F)22°C (72°F)23°C (74°F)
Wind
Speed20km/h (12mph)19km/h (12mph)18km/h (11mph)19km/h (12mph)22km/h (14mph)23km/h (15mph)25km/h (15mph)23km/h (15mph)
Gusts30km/h (18mph)29km/h (18mph)30km/h (18mph)27km/h (16mph)31km/h (19mph)25km/h (16mph)42km/h (26mph)35km/h (22mph)
Direction 89°
E
88°
E
91°
E
92°
E
83°
E
82°
E
77°
ENE
83°
E
Wind chill27°C (80°F)26°C (79°F)26°C (78°F)27°C (81°F)28°C (83°F)26°C (79°F)26°C (79°F)27°C (80°F)
Waves
Height0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.7m (2.2ft)0.6m (2.1ft)0.7m (2.2ft)0.7m (2.3ft)0.7m (2.2ft)
Direction 31°
NNE
31°
NNE
31°
NNE
31°
NNE
31°
NNE
32°
NNE
32°
NNE
32°
NNE
Period16.3 sec.16.1 sec.15.5 sec.15.3 sec.15.1 sec.14.6 sec.14.6 sec.14.2 sec.
Significant height0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 06:33 and will set at 18:21 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 14.3mph 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 temperature27°C (80°F)26°C (79°F)26°C (79°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (80°F)27°C (80°F)
Perceived temperature30°C (86°F)30°C (85°F)29°C (85°F)31°C (88°F)31°C (87°F)31°C (88°F)30°C (86°F)30°C (86°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%85%84%80%75%71%79%82%
Barometric pressure1011 hPa1010 hPa1010 hPa1012 hPa1012 hPa1010 hPa1010 hPa1012 hPa
Cloud cover59%64%50%87%72%72%45%50%
Heat index30°C (86°F)30°C (85°F)29°C (85°F)31°C (88°F)31°C (87°F)31°C (88°F)30°C (86°F)30°C (86°F)
Dew point24°C (74°F)24°C (74°F)23°C (74°F)24°C (75°F)23°C (73°F)22°C (72°F)23°C (73°F)23°C (74°F)
Wind
Speed23km/h (14mph)21km/h (13mph)21km/h (13mph)22km/h (13mph)21km/h (13mph)20km/h (12mph)21km/h (13mph)21km/h (13mph)
Gusts34km/h (21mph)31km/h (19mph)31km/h (19mph)29km/h (18mph)30km/h (19mph)27km/h (17mph)30km/h (19mph)31km/h (19mph)
Direction 86°
E
85°
E
82°
E
79°
ENE
80°
E
77°
ENE
71°
ENE
76°
ENE
Wind chill27°C (80°F)26°C (79°F)26°C (79°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (80°F)27°C (80°F)
Waves
Height0.7m (2.2ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.0ft)0.6m (1.9ft)0.6m (2.0ft)0.7m (2.2ft)
Direction 32°
NNE
32°
NNE
32°
NNE
31°
NNE
31°
NNE
31°
NNE
31°
NNE
32°
NNE
Period14.1 sec.13.7 sec.13.5 sec.13.4 sec.13.3 sec.13.1 sec.12.9 sec.12.9 sec.
Significant height0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)
Sea water temperature
Water temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 06:34 and will set at 18:22 on the beach(es) of Mana. The outside temperature will be a high of 81°F t and a low of 79°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 13.1mph 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 temperature26°C (79°F)26°C (79°F)26°C (78°F)26°C (79°F)27°C (80°F)26°C (79°F)26°C (78°F)26°C (78°F)
Perceived temperature29°C (85°F)29°C (84°F)29°C (83°F)29°C (85°F)30°C (85°F)29°C (85°F)29°C (83°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%82%84%85%82%84%85%85%
Barometric pressure1012 hPa1010 hPa1010 hPa1013 hPa1012 hPa1010 hPa1009 hPa1011 hPa
Cloud cover76%65%56%64%68%55%54%76%
Heat index29°C (85°F)29°C (84°F)29°C (83°F)29°C (85°F)30°C (85°F)29°C (85°F)29°C (83°F)28°C (83°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (73°F)
Wind
Speed19km/h (12mph)20km/h (12mph)19km/h (12mph)21km/h (13mph)19km/h (12mph)18km/h (11mph)18km/h (11mph)19km/h (12mph)
Gusts29km/h (18mph)30km/h (18mph)30km/h (19mph)29km/h (18mph)29km/h (18mph)33km/h (20mph)28km/h (17mph)31km/h (19mph)
Direction 84°
E
78°
ENE
75°
ENE
75°
ENE
82°
E
80°
E
80°
E
80°
E
Wind chill26°C (79°F)26°C (79°F)26°C (78°F)26°C (79°F)27°C (80°F)26°C (79°F)26°C (78°F)26°C (78°F)
Waves
Height0.6m (2.1ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (1.9ft)0.6m (1.9ft)0.6m (2.0ft)0.6m (2.1ft)
Direction 32°
NNE
32°
NNE
32°
NNE
32°
NNE
32°
NNE
32°
NNE
32°
NNE
31°
NNE
Period12.5 sec.12.4 sec.12.3 sec.12.3 sec.12.2 sec.12.2 sec.12.4 sec.12.4 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)
Sea water temperature
Water temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 06:34 and will set at 18:22 on the beach(es) of Mana. The outside temperature will be a high of 81°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 14.3mph km/h (with gusts up to 22.4mph). 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)25°C (78°F)25°C (78°F)27°C (80°F)27°C (81°F)27°C (81°F)26°C (80°F)26°C (80°F)
Perceived temperature29°C (84°F)28°C (82°F)28°C (82°F)30°C (86°F)30°C (86°F)30°C (86°F)29°C (85°F)29°C (85°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity84%86%85%82%78%77%80%81%
Barometric pressure1011 hPa1010 hPa1010 hPa1012 hPa1012 hPa1010 hPa1009 hPa1011 hPa
Cloud cover84%72%70%52%87%87%40%67%
Heat index29°C (84°F)28°C (82°F)28°C (82°F)30°C (86°F)30°C (86°F)30°C (86°F)29°C (85°F)29°C (85°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)
Wind
Speed21km/h (13mph)21km/h (13mph)18km/h (11mph)20km/h (13mph)20km/h (13mph)20km/h (12mph)21km/h (13mph)23km/h (14mph)
Gusts33km/h (20mph)36km/h (22mph)29km/h (18mph)28km/h (18mph)29km/h (18mph)31km/h (19mph)31km/h (20mph)34km/h (21mph)
Direction 66°
ENE
71°
ENE
84°
E
77°
ENE
70°
ENE
71°
ENE
71°
ENE
69°
ENE
Wind chill26°C (79°F)25°C (78°F)25°C (78°F)27°C (80°F)27°C (81°F)27°C (81°F)26°C (80°F)26°C (80°F)
Waves
Height0.6m (2.1ft)0.6m (2.1ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (1.9ft)0.6m (1.9ft)0.6m (2.1ft)0.7m (2.2ft)
Direction 31°
NNE
32°
NNE
32°
NNE
32°
NNE
13°
NNE
12°
NNE
12°
NNE
11°
NNE
Period12.3 sec.12.3 sec.15.0 sec.14.6 sec.14.3 sec.14.3 sec.14.3 sec.14.3 sec.
Significant height0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)
Sea water temperature
Water temperature28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 06:35 and will set at 18:23 on the beach(es) of Mana. The outside temperature will be a high of 81°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 21.8mph). 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)26°C (79°F)26°C (79°F)27°C (81°F)27°C (81°F)26°C (78°F)27°C (80°F)26°C (80°F)
Perceived temperature29°C (85°F)29°C (84°F)29°C (84°F)31°C (87°F)30°C (86°F)28°C (82°F)30°C (85°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%84%84%78%75%72%80%82%
Barometric pressure1011 hPa1009 hPa1010 hPa1013 hPa1012 hPa1010 hPa1010 hPa1011 hPa
Cloud cover53%71%65%56%76%12%72%80%
Heat index29°C (85°F)29°C (84°F)29°C (84°F)31°C (87°F)30°C (86°F)28°C (82°F)30°C (85°F)29°C (85°F)
Dew point23°C (74°F)23°C (74°F)23°C (73°F)23°C (74°F)22°C (72°F)20°C (68°F)23°C (73°F)23°C (73°F)
Wind
Speed23km/h (14mph)23km/h (14mph)22km/h (14mph)22km/h (14mph)22km/h (13mph)22km/h (13mph)21km/h (13mph)22km/h (13mph)
Gusts34km/h (21mph)35km/h (22mph)34km/h (21mph)29km/h (18mph)30km/h (19mph)23km/h (14mph)30km/h (19mph)33km/h (20mph)
Direction 69°
ENE
75°
ENE
79°
ENE
77°
ENE
79°
ENE
77°
ENE
78°
ENE
81°
E
Wind chill26°C (80°F)26°C (79°F)26°C (79°F)27°C (81°F)27°C (81°F)26°C (78°F)27°C (80°F)26°C (80°F)
Waves
Height0.7m (2.2ft)0.7m (2.2ft)0.7m (2.2ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.7m (2.2ft)
Direction 12°
NNE
14°
NNE
14°
NNE
14°
NNE
14°
NNE
13°
NNE
32°
NNE
32°
NNE
Period14.3 sec.14.3 sec.11.9 sec.11.7 sec.11.5 sec.13.6 sec.13.3 sec.13.0 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)
Sea water temperature
Water temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)

Sea weather on Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 06:35 and will set at 18:23 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 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 (79°F)25°C (78°F)25°C (78°F)27°C (80°F)27°C (81°F)27°C (81°F)26°C (80°F)26°C (79°F)
Perceived temperature29°C (85°F)28°C (82°F)28°C (82°F)30°C (85°F)30°C (86°F)30°C (87°F)29°C (85°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%86%85%82%75%74%81%83%
Barometric pressure1010 hPa1009 hPa1009 hPa1012 hPa1011 hPa1009 hPa1009 hPa1011 hPa
Cloud cover64%68%71%76%74%85%54%59%
Heat index29°C (85°F)28°C (82°F)28°C (82°F)30°C (85°F)30°C (86°F)30°C (87°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)22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)
Wind
Speed23km/h (14mph)20km/h (13mph)21km/h (13mph)22km/h (13mph)22km/h (13mph)21km/h (13mph)20km/h (12mph)20km/h (13mph)
Gusts33km/h (21mph)31km/h (19mph)31km/h (19mph)30km/h (18mph)29km/h (18mph)30km/h (18mph)29km/h (18mph)31km/h (19mph)
Direction 79°
E
80°
E
78°
ENE
78°
ENE
77°
ENE
75°
ENE
81°
E
82°
E
Wind chill26°C (79°F)25°C (78°F)25°C (78°F)27°C (80°F)27°C (81°F)27°C (81°F)26°C (80°F)26°C (79°F)
Waves
Height0.7m (2.2ft)0.7m (2.2ft)0.7m (2.2ft)0.7m (2.2ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (2.1ft)0.7m (2.2ft)
Direction 32°
NNE
32°
NNE
33°
NNE
33°
NNE
33°
NNE
32°
NNE
32°
NNE
32°
NNE
Period12.6 sec.12.6 sec.12.6 sec.15.1 sec.14.7 sec.14.2 sec.14.1 sec.16.2 sec.
Significant height0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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