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

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

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

Date Outside temp. Our opinion
Wednesday 3 June 202677°F to 81°Frecommended
Thursday 4 June 202677°F to 83°Frecommended
Friday 5 June 202677°F to 83°Frecommended
Saturday 6 June 202677°F to 81°Frecommended
Sunday 7 June 202677°F to 81°Frecommended
Monday 8 June 202677°F to 81°Fdiscouraged
Tuesday 9 June 202674°F to 79°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Sinnamary

Sea weather on Wednesday 3 June 2026

On Wednesday 3 June 2026, the sun will rise at 06:17 and will set at 18:41 on the beach(es) of Sinnamary. 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 9.9mph km/h (with gusts up to 14.9mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (78°F)25°C (78°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (80°F)26°C (79°F)
Perceived temperature28°C (83°F)28°C (82°F)28°C (83°F)30°C (87°F)30°C (86°F)31°C (87°F)30°C (87°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%88%88%85%81%79%83%88%
Barometric pressure1015 hPa1013 hPa1014 hPa1016 hPa1015 hPa1013 hPa1013 hPa1015 hPa
Cloud cover86%90%85%63%44%47%61%48%
Heat index28°C (83°F)28°C (82°F)28°C (83°F)30°C (87°F)30°C (86°F)31°C (87°F)30°C (87°F)29°C (84°F)
Dew point23°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)23°C (74°F)23°C (74°F)24°C (75°F)24°C (75°F)
Wind
Speed14km/h (9mph)15km/h (9mph)13km/h (8mph)16km/h (10mph)16km/h (10mph)15km/h (10mph)16km/h (10mph)14km/h (9mph)
Gusts23km/h (14mph)24km/h (15mph)21km/h (13mph)22km/h (13mph)23km/h (14mph)22km/h (13mph)23km/h (14mph)23km/h (14mph)
Direction 89°
E
91°
E
92°
E
100°
E
100°
E
99°
E
85°
E
86°
E
Wind chill25°C (78°F)25°C (78°F)25°C (78°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (80°F)26°C (79°F)
Waves
Height1.3m (4.1ft)1.3m (4.2ft)1.3m (4.1ft)1.3m (4.1ft)1.2m (4.1ft)1.2m (3.9ft)1.2m (3.8ft)1.1m (3.7ft)
Direction 44°
NE
44°
NE
44°
NE
44°
NE
43°
NE
43°
NE
44°
NE
44°
NE
Period12.0 sec.8.5 sec.8.6 sec.8.7 sec.8.8 sec.8.9 sec.8.9 sec.8.9 sec.
Significant height0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.5m (1.6ft)0.5m (1.6ft)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 4 June 2026

On Thursday 4 June 2026, the sun will rise at 06:17 and will set at 18:41 on the beach(es) of Sinnamary. 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 9.3mph km/h (with gusts up to 14.3mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (78°F)25°C (77°F)27°C (81°F)28°C (82°F)28°C (82°F)27°C (80°F)25°C (78°F)
Perceived temperature29°C (84°F)28°C (83°F)28°C (82°F)30°C (87°F)31°C (87°F)31°C (87°F)30°C (85°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%89%89%81%74%74%82%89%
Barometric pressure1015 hPa1013 hPa1014 hPa1016 hPa1015 hPa1013 hPa1013 hPa1015 hPa
Cloud cover41%70%59%67%28%23%33%59%
Heat index29°C (84°F)28°C (83°F)28°C (82°F)30°C (87°F)31°C (87°F)31°C (87°F)30°C (85°F)28°C (83°F)
Dew point24°C (75°F)23°C (74°F)23°C (74°F)24°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)
Wind
Speed14km/h (9mph)13km/h (8mph)12km/h (8mph)14km/h (9mph)15km/h (9mph)15km/h (10mph)15km/h (10mph)14km/h (9mph)
Gusts22km/h (14mph)22km/h (14mph)20km/h (13mph)19km/h (12mph)21km/h (13mph)22km/h (13mph)23km/h (14mph)23km/h (14mph)
Direction 102°
ESE
106°
ESE
99°
E
106°
ESE
103°
ESE
88°
E
86°
E
78°
ENE
Wind chill26°C (78°F)25°C (78°F)25°C (77°F)27°C (81°F)28°C (82°F)28°C (82°F)27°C (80°F)25°C (78°F)
Waves
Height1.1m (3.8ft)1.1m (3.8ft)1.1m (3.7ft)1.1m (3.6ft)1.1m (3.5ft)1.1m (3.5ft)1.1m (3.5ft)1.1m (3.6ft)
Direction 44°
NE
45°
NE
45°
NE
44°
NE
44°
NE
44°
NE
44°
NE
45°
NE
Period8.9 sec.8.9 sec.8.8 sec.8.8 sec.8.8 sec.8.8 sec.8.7 sec.12.6 sec.
Significant height0.6m (2ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)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 Friday 5 June 2026

On Friday 5 June 2026, the sun will rise at 06:17 and will set at 18:41 on the beach(es) of Sinnamary. The outside temperature will be a high of 83°F t and a low of 77°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 8.7mph km/h (with gusts up to 14.9mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)25°C (77°F)25°C (77°F)26°C (80°F)28°C (82°F)28°C (82°F)26°C (80°F)25°C (78°F)
Perceived temperature28°C (82°F)28°C (82°F)28°C (82°F)30°C (86°F)30°C (87°F)30°C (86°F)29°C (84°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity90%89%89%86%72%71%78%85%
Barometric pressure1015 hPa1013 hPa1014 hPa1015 hPa1014 hPa1012 hPa1012 hPa1014 hPa
Cloud cover40%59%51%42%48%43%30%28%
Heat index28°C (82°F)28°C (82°F)28°C (82°F)30°C (86°F)30°C (87°F)30°C (86°F)29°C (84°F)28°C (82°F)
Dew point23°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)22°C (72°F)22°C (71°F)22°C (72°F)23°C (73°F)
Wind
Speed12km/h (8mph)13km/h (8mph)12km/h (7mph)12km/h (8mph)13km/h (8mph)14km/h (9mph)14km/h (9mph)14km/h (9mph)
Gusts20km/h (13mph)24km/h (15mph)20km/h (13mph)24km/h (15mph)18km/h (11mph)22km/h (13mph)21km/h (13mph)24km/h (15mph)
Direction 77°
ENE
75°
ENE
75°
ENE
78°
ENE
81°
E
77°
ENE
74°
ENE
77°
ENE
Wind chill25°C (77°F)25°C (77°F)25°C (77°F)26°C (80°F)28°C (82°F)28°C (82°F)26°C (80°F)25°C (78°F)
Waves
Height1.1m (3.6ft)1.1m (3.7ft)1.1m (3.6ft)1.1m (3.5ft)1.1m (3.5ft)1.1m (3.5ft)1.1m (3.8ft)1.3m (4.2ft)
Direction 45°
NE
45°
NE
45°
NE
45°
NE
44°
NE
44°
NE
45°
NE
44°
NE
Period12.4 sec.12.0 sec.10.2 sec.10.1 sec.8.5 sec.11.1 sec.10.9 sec.10.7 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)1.0m (3.3ft)0.9m (3ft)0.5m (1.6ft)0.7m (2.3ft)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 Saturday 6 June 2026

On Saturday 6 June 2026, the sun will rise at 06:17 and will set at 18:42 on the beach(es) of Sinnamary. The outside temperature will be a high of 81°F t and a low of 77°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 8.7mph km/h (with gusts up to 14.9mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (77°F)25°C (77°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (79°F)26°C (78°F)
Perceived temperature28°C (83°F)28°C (82°F)28°C (82°F)29°C (85°F)29°C (84°F)30°C (86°F)29°C (84°F)28°C (83°F)
Precipitation0in0in0.1in0.1in0in0in0in0in
Humidity87%88%89%87%81%77%83%85%
Barometric pressure1014 hPa1012 hPa1013 hPa1014 hPa1013 hPa1011 hPa1011 hPa1013 hPa
Cloud cover65%55%43%64%44%42%32%55%
Heat index28°C (83°F)28°C (82°F)28°C (82°F)29°C (85°F)29°C (84°F)30°C (86°F)29°C (84°F)28°C (83°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)24°C (75°F)23°C (73°F)22°C (72°F)23°C (73°F)23°C (73°F)
Wind
Speed14km/h (9mph)11km/h (7mph)9km/h (6mph)10km/h (6mph)12km/h (8mph)12km/h (7mph)12km/h (7mph)14km/h (9mph)
Gusts23km/h (14mph)18km/h (11mph)15km/h (9mph)19km/h (12mph)20km/h (13mph)22km/h (14mph)18km/h (11mph)24km/h (15mph)
Direction 78°
ENE
75°
ENE
80°
E
99°
E
108°
ESE
81°
E
62°
ENE
69°
ENE
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (79°F)26°C (78°F)
Waves
Height1.3m (4.3ft)1.3m (4.3ft)1.3m (4.1ft)1.2m (4.0ft)1.2m (3.8ft)1.1m (3.7ft)1.1m (3.6ft)1.1m (3.5ft)
Direction 43°
NE
44°
NE
45°
NE
44°
NE
45°
NE
45°
NE
45°
NE
46°
NE
Period8.0 sec.13.9 sec.8.1 sec.8.3 sec.8.2 sec.8.1 sec.8.1 sec.8.1 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)
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 Sunday 7 June 2026

On Sunday 7 June 2026, the sun will rise at 06:17 and will set at 18:42 on the beach(es) of Sinnamary. 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 11.2mph km/h (with gusts up to 16.2mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)26°C (78°F)25°C (78°F)27°C (81°F)27°C (81°F)27°C (81°F)26°C (79°F)26°C (78°F)
Perceived temperature28°C (83°F)28°C (83°F)28°C (83°F)30°C (87°F)30°C (86°F)30°C (87°F)29°C (85°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%86%87%81%74%74%84%88%
Barometric pressure1013 hPa1011 hPa1012 hPa1013 hPa1013 hPa1011 hPa1010 hPa1012 hPa
Cloud cover78%75%69%32%18%19%29%51%
Heat index28°C (83°F)28°C (83°F)28°C (83°F)30°C (87°F)30°C (86°F)30°C (87°F)29°C (85°F)28°C (83°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)24°C (74°F)22°C (72°F)22°C (72°F)23°C (74°F)23°C (74°F)
Wind
Speed12km/h (7mph)10km/h (6mph)10km/h (6mph)16km/h (10mph)14km/h (9mph)16km/h (10mph)18km/h (11mph)15km/h (9mph)
Gusts19km/h (12mph)17km/h (10mph)17km/h (10mph)22km/h (14mph)20km/h (13mph)26km/h (16mph)26km/h (16mph)25km/h (16mph)
Direction 72°
ENE
80°
E
86°
E
87°
E
92°
E
85°
E
71°
ENE
73°
ENE
Wind chill26°C (78°F)26°C (78°F)25°C (78°F)27°C (81°F)27°C (81°F)27°C (81°F)26°C (79°F)26°C (78°F)
Waves
Height1.1m (3.5ft)1.1m (3.5ft)1.1m (3.5ft)1.1m (3.5ft)1.1m (3.7ft)1.2m (4.0ft)1.3m (4.3ft)1.4m (4.5ft)
Direction 45°
NE
45°
NE
45°
NE
45°
NE
45°
NE
44°
NE
44°
NE
44°
NE
Period8.1 sec.8.2 sec.8.2 sec.8.2 sec.8.1 sec.7.7 sec.7.6 sec.7.5 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)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 Monday 8 June 2026

On Monday 8 June 2026, the sun will rise at 06:17 and will set at 18:42 on the beach(es) of Sinnamary. The outside temperature will be a high of 81°F t and a low of 77°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 14.9mph km/h (with gusts up to 21.8mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (77°F)25°C (77°F)26°C (79°F)27°C (80°F)27°C (81°F)27°C (80°F)26°C (78°F)
Perceived temperature28°C (83°F)28°C (82°F)28°C (82°F)29°C (84°F)30°C (85°F)30°C (86°F)29°C (85°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%90%87%84%80%70%78%82%
Barometric pressure1013 hPa1012 hPa1012 hPa1014 hPa1014 hPa1012 hPa1012 hPa1014 hPa
Cloud cover77%100%92%82%49%32%27%19%
Heat index28°C (83°F)28°C (82°F)28°C (82°F)29°C (84°F)30°C (85°F)30°C (86°F)29°C (85°F)28°C (83°F)
Dew point23°C (74°F)23°C (74°F)23°C (73°F)23°C (74°F)23°C (73°F)21°C (71°F)22°C (72°F)23°C (73°F)
Wind
Speed17km/h (11mph)19km/h (12mph)21km/h (13mph)23km/h (14mph)24km/h (15mph)21km/h (13mph)20km/h (12mph)21km/h (13mph)
Gusts28km/h (17mph)35km/h (22mph)33km/h (21mph)29km/h (18mph)35km/h (21mph)30km/h (19mph)30km/h (18mph)33km/h (21mph)
Direction 75°
ENE
69°
ENE
66°
ENE
65°
ENE
70°
ENE
64°
ENE
66°
ENE
63°
ENE
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)26°C (79°F)27°C (80°F)27°C (81°F)27°C (80°F)26°C (78°F)
Waves
Height1.4m (4.6ft)1.4m (4.7ft)1.5m (5.0ft)1.5m (4.9ft)1.4m (4.7ft)1.4m (4.6ft)1.3m (4.4ft)1.3m (4.4ft)
Direction 45°
NE
45°
NE
45°
NE
45°
NE
45°
NE
45°
NE
45°
NE
45°
NE
Period7.5 sec.7.4 sec.7.3 sec.7.3 sec.7.3 sec.7.4 sec.7.4 sec.7.4 sec.
Significant height0.8m (2.6ft)0.9m (3ft)1.0m (3.3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)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 Tuesday 9 June 2026

On Tuesday 9 June 2026, the sun will rise at 06:17 and will set at 18:42 on the beach(es) of Sinnamary. The outside temperature will be a high of 79°F t and a low of 74°F. Precipitation is in the forecast (0.6in 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 24.2mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (77°F)25°C (77°F)26°C (79°F)25°C (78°F)23°C (74°F)23°C (74°F)24°C (76°F)
Perceived temperature28°C (82°F)28°C (82°F)28°C (82°F)29°C (85°F)28°C (83°F)26°C (78°F)26°C (78°F)27°C (80°F)
Precipitation0.1in0in0in0in0.1in0.3in0in0in
Humidity86%87%87%86%88%96%94%90%
Barometric pressure1015 hPa1013 hPa1013 hPa1015 hPa1015 hPa1013 hPa1013 hPa1014 hPa
Cloud cover39%82%100%89%80%100%77%54%
Heat index28°C (82°F)28°C (82°F)28°C (82°F)29°C (85°F)28°C (83°F)26°C (78°F)26°C (78°F)27°C (80°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)24°C (75°F)23°C (74°F)22°C (72°F)22°C (72°F)23°C (73°F)
Wind
Speed20km/h (12mph)20km/h (13mph)21km/h (13mph)21km/h (13mph)16km/h (10mph)10km/h (6mph)3km/h (2mph)8km/h (5mph)
Gusts32km/h (20mph)35km/h (22mph)33km/h (21mph)39km/h (24mph)30km/h (18mph)21km/h (13mph)4km/h (2mph)12km/h (8mph)
Direction 65°
ENE
64°
ENE
64°
ENE
64°
ENE
99°
E
194°
SSW
327°
NNW
32°
NNE
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)26°C (79°F)25°C (78°F)23°C (74°F)23°C (74°F)24°C (76°F)
Waves
Height1.3m (4.4ft)1.3m (4.4ft)1.3m (4.4ft)1.4m (4.5ft)1.3m (4.3ft)1.3m (4.1ft)1.2m (4.0ft)1.2m (3.9ft)
Direction 44°
NE
45°
NE
44°
NE
44°
NE
44°
NE
43°
NE
42°
NE
42°
NE
Period7.4 sec.7.3 sec.7.3 sec.7.3 sec.7.6 sec.7.4 sec.7.4 sec.7.5 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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