Sea weather in Belle-Île-en-Mer in Brittany All the beach weather in Belle-Île-en-Mer

All the essential weather information for enjoying the beach in Belle-Île-en-Mer in Brittany, 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 Belle-Île-en-Mer over the next 7 days?

Discover the best moment to go to the beach in Belle-Île-en-Mer in Brittany this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Belle-Île-en-Mer. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Saturday 18 July 202668°F to 74°Fdiscouraged
Sunday 19 July 202667°F to 72°Fnot recommended
Monday 20 July 202665°F to 74°Fnot recommended
Tuesday 21 July 202665°F to 74°Fnot recommended
Wednesday 22 July 202667°F to 72°Fdiscouraged
Thursday 23 July 202665°F to 72°Fdiscouraged
Friday 24 July 202665°F to 72°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Belle-Île-en-Mer

Sea weather on Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 06:35 and will set at 22:03 on the beach(es) of Belle-Île-en-Mer. The outside temperature will be a high of 74°F t and a low of 68°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 18mph km/h (with gusts up to 18.6mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (71°F)21°C (70°F)21°C (69°F)20°C (69°F)20°C (68°F)21°C (69°F)20°C (68°F)23°C (74°F)
Perceived temperature22°C (71°F)21°C (70°F)21°C (69°F)20°C (69°F)20°C (68°F)21°C (69°F)20°C (68°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%65%65%66%60%62%74%68%
Barometric pressure1018 hPa1018 hPa1018 hPa1019 hPa1018 hPa1018 hPa1017 hPa1016 hPa
Cloud cover10%17%17%7%5%3%3%6%
Heat index24°C (76°F)21°C (70°F)21°C (69°F)20°C (69°F)20°C (68°F)21°C (69°F)20°C (68°F)25°C (77°F)
Dew point18°C (64°F)14°C (57°F)14°C (57°F)14°C (57°F)12°C (54°F)13°C (56°F)15°C (60°F)17°C (63°F)
Wind
Speed10km/h (6mph)18km/h (11mph)15km/h (9mph)12km/h (7mph)7km/h (4mph)21km/h (13mph)27km/h (17mph)29km/h (18mph)
Gusts16km/h (10mph)25km/h (16mph)21km/h (13mph)16km/h (10mph)12km/h (8mph)23km/h (14mph)28km/h (18mph)30km/h (18mph)
Direction
N
55°
NE
57°
ENE
50°
NE
331°
NNW
292°
WNW
291°
WNW

N
Wind chill22°C (71°F)21°C (70°F)21°C (69°F)20°C (69°F)20°C (68°F)21°C (69°F)20°C (68°F)23°C (74°F)
Waves
Height0.4m (1.2ft)0.4m (1.3ft)0.3m (1.1ft)0.3m (1.0ft)0.2m (0.8ft)0.3m (1.1ft)0.6m (1.9ft)0.7m (2.5ft)
Direction 270°
W
287°
WNW
270°
W
270°
W
272°
W
276°
W
285°
WNW
292°
WNW
Period3.3 sec.3.3 sec.8.0 sec.8.0 sec.8.0 sec.8.0 sec.8.1 sec.6.3 sec.
Significant height0.4m (1.3ft)0.6m (2ft)0.5m (1.6ft)0.3m (1ft)0.3m (1ft)0.7m (2.3ft)0.8m (2.6ft)1.3m (4.3ft)
Sea water temperature
Water temperature20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 06:36 and will set at 22:02 on the beach(es) of Belle-Île-en-Mer. The outside temperature will be a high of 72°F t and a low of 67°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! Be careful, the sea will be generally rough with a wind speed of up to 29.2mph km/h (with gusts up to 33.6mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (70°F)21°C (69°F)20°C (69°F)20°C (68°F)21°C (69°F)22°C (72°F)20°C (68°F)21°C (69°F)
Perceived temperature21°C (70°F)21°C (69°F)20°C (69°F)20°C (68°F)21°C (69°F)25°C (76°F)20°C (68°F)21°C (69°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%72%63%62%60%59%56%58%
Barometric pressure1018 hPa1018 hPa1019 hPa1020 hPa1021 hPa1020 hPa1020 hPa1021 hPa
Cloud cover5%4%4%3%2%5%0%2%
Heat index24°C (76°F)21°C (69°F)20°C (69°F)20°C (68°F)21°C (69°F)25°C (76°F)20°C (68°F)21°C (69°F)
Dew point16°C (61°F)15°C (60°F)13°C (56°F)12°C (54°F)13°C (55°F)14°C (57°F)11°C (52°F)12°C (54°F)
Wind
Speed29km/h (18mph)30km/h (19mph)35km/h (22mph)40km/h (25mph)29km/h (18mph)20km/h (12mph)36km/h (22mph)47km/h (29mph)
Gusts43km/h (27mph)41km/h (25mph)47km/h (29mph)54km/h (33mph)33km/h (21mph)26km/h (16mph)39km/h (24mph)49km/h (30mph)
Direction 31°
NNE
55°
NE
67°
ENE
73°
ENE
62°
ENE
39°
NE
25°
NNE
28°
NNE
Wind chill21°C (70°F)21°C (69°F)20°C (69°F)20°C (68°F)21°C (69°F)22°C (72°F)20°C (68°F)21°C (69°F)
Waves
Height0.7m (2.4ft)0.6m (2.1ft)0.6m (2.1ft)0.8m (2.8ft)0.7m (2.3ft)0.5m (1.5ft)0.6m (2.1ft)1.2m (4.1ft)
Direction 335°
NNW
30°
NNE
48°
NE
73°
ENE
77°
ENE

N
46°
NE
26°
NNE
Period4.8 sec.4.8 sec.5.1 sec.7.8 sec.7.7 sec.6.6 sec.7.4 sec.7.3 sec.
Significant height1.1m (3.6ft)0.9m (3ft)1.0m (3.3ft)1.2m (3.9ft)0.8m (2.6ft)0.5m (1.6ft)1.2m (3.9ft)1.6m (5.2ft)
Sea water temperature
Water temperature20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 06:37 and will set at 22:01 on the beach(es) of Belle-Île-en-Mer. The outside temperature will be a high of 74°F t and a low of 65°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! Be careful, the sea will be generally rough with a wind speed of up to 27.3mph km/h (with gusts up to 36mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature20°C (68°F)19°C (67°F)19°C (65°F)19°C (65°F)19°C (66°F)22°C (72°F)20°C (68°F)22°C (71°F)
Perceived temperature20°C (68°F)19°C (67°F)19°C (65°F)19°C (65°F)19°C (66°F)24°C (76°F)20°C (68°F)22°C (71°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity52%58%59%57%46%49%52%55%
Barometric pressure1022 hPa1022 hPa1022 hPa1024 hPa1023 hPa1023 hPa1022 hPa1024 hPa
Cloud cover33%18%0%0%0%10%0%3%
Heat index20°C (68°F)19°C (67°F)19°C (65°F)19°C (65°F)19°C (66°F)24°C (76°F)20°C (68°F)25°C (76°F)
Dew point10°C (50°F)11°C (52°F)10°C (51°F)10°C (50°F)7°C (45°F)11°C (52°F)10°C (49°F)13°C (55°F)
Wind
Speed43km/h (27mph)40km/h (25mph)40km/h (25mph)37km/h (23mph)27km/h (17mph)24km/h (15mph)36km/h (22mph)44km/h (27mph)
Gusts58km/h (36mph)53km/h (33mph)52km/h (33mph)48km/h (30mph)31km/h (19mph)25km/h (16mph)38km/h (24mph)45km/h (28mph)
Direction 45°
NE
55°
NE
58°
ENE
58°
ENE
51°
NE
35°
NE
16°
NNE
21°
NNE
Wind chill20°C (68°F)19°C (67°F)19°C (65°F)19°C (65°F)19°C (66°F)22°C (72°F)20°C (68°F)22°C (71°F)
Waves
Height1.1m (3.7ft)1.3m (4.1ft)1.3m (4.1ft)1.2m (3.8ft)0.9m (3.1ft)0.6m (1.9ft)0.7m (2.4ft)1.1m (3.7ft)
Direction 37°
NE
55°
NE
71°
ENE
71°
ENE
67°
ENE
61°
ENE
38°
NE
21°
NNE
Period7.2 sec.7.1 sec.7.7 sec.8.6 sec.9.0 sec.7.8 sec.11.0 sec.10.6 sec.
Significant height1.4m (4.6ft)1.6m (5.2ft)1.5m (4.9ft)1.4m (4.6ft)1.0m (3.3ft)0.7m (2.3ft)1.1m (3.6ft)1.5m (4.9ft)
Sea water temperature
Water temperature20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 06:38 and will set at 22:00 on the beach(es) of Belle-Île-en-Mer. The outside temperature will be a high of 74°F t and a low of 65°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! Be careful, the sea will be generally rough with a wind speed of up to 26.1mph km/h (with gusts up to 33.6mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (69°F)19°C (67°F)19°C (66°F)19°C (65°F)20°C (67°F)21°C (71°F)22°C (72°F)22°C (71°F)
Perceived temperature21°C (69°F)19°C (67°F)19°C (66°F)19°C (65°F)20°C (67°F)21°C (71°F)25°C (76°F)22°C (71°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity55%63%70%73%61%60%65%56%
Barometric pressure1025 hPa1025 hPa1026 hPa1027 hPa1027 hPa1026 hPa1024 hPa1025 hPa
Cloud cover3%0%4%5%2%8%6%0%
Heat index21°C (69°F)19°C (67°F)19°C (66°F)19°C (65°F)20°C (67°F)24°C (76°F)25°C (76°F)25°C (76°F)
Dew point11°C (52°F)12°C (54°F)13°C (56°F)14°C (57°F)12°C (54°F)13°C (56°F)15°C (59°F)13°C (55°F)
Wind
Speed40km/h (25mph)39km/h (24mph)40km/h (25mph)36km/h (22mph)22km/h (14mph)11km/h (7mph)23km/h (15mph)42km/h (26mph)
Gusts54km/h (34mph)51km/h (31mph)51km/h (32mph)46km/h (29mph)39km/h (24mph)21km/h (13mph)24km/h (15mph)48km/h (30mph)
Direction 43°
NE
55°
NE
60°
ENE
60°
ENE
61°
ENE
321°
NW
352°
N
22°
NNE
Wind chill21°C (69°F)19°C (67°F)19°C (66°F)19°C (65°F)20°C (67°F)21°C (71°F)22°C (72°F)22°C (71°F)
Waves
Height1.1m (3.5ft)1.1m (3.8ft)1.1m (3.6ft)1.1m (3.6ft)0.8m (2.7ft)0.5m (1.5ft)0.4m (1.3ft)1.1m (3.5ft)
Direction 31°
NNE
52°
NE
59°
ENE
58°
ENE
59°
ENE
280°
W
281°
W
17°
NNE
Period11.3 sec.11.6 sec.11.3 sec.11.0 sec.10.9 sec.8.9 sec.10.4 sec.10.3 sec.
Significant height1.4m (4.6ft)1.5m (4.9ft)1.4m (4.6ft)1.4m (4.6ft)0.9m (3ft)0.4m (1.3ft)0.6m (2ft)1.6m (5.2ft)
Sea water temperature
Water temperature20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 06:39 and will set at 21:59 on the beach(es) of Belle-Île-en-Mer. The outside temperature will be a high of 72°F t and a low of 67°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 22.4mph km/h (with gusts up to 31.1mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (69°F)19°C (67°F)19°C (65°F)19°C (66°F)20°C (69°F)21°C (69°F)22°C (71°F)22°C (72°F)
Perceived temperature21°C (69°F)19°C (67°F)19°C (65°F)19°C (66°F)20°C (69°F)21°C (69°F)22°C (71°F)25°C (76°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity53%57%62%60%51%60%68%66%
Barometric pressure1025 hPa1024 hPa1023 hPa1023 hPa1022 hPa1021 hPa1020 hPa1019 hPa
Cloud cover0%0%0%6%100%21%30%15%
Heat index21°C (69°F)19°C (67°F)19°C (65°F)19°C (66°F)20°C (69°F)21°C (69°F)23°C (74°F)25°C (76°F)
Dew point11°C (51°F)11°C (51°F)11°C (52°F)11°C (52°F)10°C (50°F)12°C (54°F)16°C (60°F)15°C (60°F)
Wind
Speed36km/h (23mph)33km/h (21mph)30km/h (19mph)24km/h (15mph)8km/h (5mph)18km/h (11mph)25km/h (15mph)27km/h (17mph)
Gusts50km/h (31mph)45km/h (28mph)40km/h (25mph)33km/h (20mph)11km/h (7mph)30km/h (19mph)35km/h (22mph)41km/h (26mph)
Direction 41°
NE
48°
NE
51°
NE
52°
NE
43°
NE
304°
NW
317°
NW
115°
ESE
Wind chill21°C (69°F)19°C (67°F)19°C (65°F)19°C (66°F)20°C (69°F)21°C (69°F)22°C (71°F)22°C (72°F)
Waves
Height1.1m (3.7ft)1.0m (3.4ft)0.9m (3.0ft)0.8m (2.7ft)0.6m (1.9ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)
Direction 31°
NNE
43°
NE
56°
NE
64°
ENE
173°
S
277°
W
281°
W
293°
WNW
Period10.2 sec.10.2 sec.10.0 sec.10.0 sec.6.7 sec.5.5 sec.8.7 sec.5.5 sec.
Significant height1.4m (4.6ft)1.3m (4.3ft)1.2m (3.9ft)1.0m (3.3ft)0.6m (2ft)0.5m (1.6ft)0.7m (2.3ft)0.8m (2.6ft)
Sea water temperature
Water temperature22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 06:41 and will set at 21:58 on the beach(es) of Belle-Île-en-Mer. The outside temperature will be a high of 72°F t and a low of 65°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 19.9mph km/h (with gusts up to 24.2mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (69°F)19°C (67°F)19°C (66°F)19°C (66°F)18°C (65°F)18°C (65°F)19°C (66°F)21°C (70°F)
Perceived temperature21°C (69°F)19°C (67°F)19°C (66°F)19°C (66°F)18°C (65°F)18°C (65°F)19°C (66°F)21°C (70°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%70%71%71%63%61%70%66%
Barometric pressure1020 hPa1020 hPa1021 hPa1023 hPa1023 hPa1023 hPa1023 hPa1022 hPa
Cloud cover46%25%7%3%0%0%2%1%
Heat index21°C (71°F)19°C (67°F)19°C (66°F)19°C (66°F)18°C (65°F)18°C (65°F)19°C (66°F)23°C (73°F)
Dew point14°C (58°F)14°C (57°F)14°C (57°F)14°C (56°F)11°C (52°F)11°C (51°F)13°C (56°F)14°C (58°F)
Wind
Speed27km/h (17mph)25km/h (15mph)23km/h (15mph)20km/h (13mph)10km/h (6mph)12km/h (8mph)26km/h (16mph)32km/h (20mph)
Gusts39km/h (24mph)33km/h (20mph)31km/h (19mph)27km/h (17mph)16km/h (10mph)26km/h (16mph)36km/h (22mph)37km/h (23mph)
Direction 16°
NNE
43°
NE
63°
ENE
73°
ENE
87°
E
203°
SSW
293°
WNW
127°
SE
Wind chill21°C (69°F)19°C (67°F)19°C (66°F)19°C (66°F)18°C (65°F)18°C (65°F)19°C (66°F)21°C (70°F)
Waves
Height0.6m (2.0ft)0.6m (2.0ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.4m (1.3ft)
Direction 336°
NNW
315°
NW
283°
WNW
287°
WNW
283°
WNW
278°
W
278°
W
332°
NNW
Period5.9 sec.6.1 sec.4.4 sec.6.3 sec.6.0 sec.6.7 sec.8.5 sec.8.9 sec.
Significant height0.9m (3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.3m (1ft)0.3m (1ft)0.5m (1.6ft)0.9m (3ft)
Sea water temperature
Water temperature22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 06:42 and will set at 21:57 on the beach(es) of Belle-Île-en-Mer. The outside temperature will be a high of 72°F t and a low of 65°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 18.6mph km/h (with gusts up to 26.1mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (71°F)20°C (68°F)19°C (67°F)19°C (66°F)18°C (64°F)18°C (65°F)19°C (66°F)21°C (70°F)
Perceived temperature21°C (71°F)20°C (68°F)19°C (67°F)19°C (66°F)18°C (64°F)18°C (65°F)19°C (66°F)21°C (70°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity62%60%61%64%59%58%64%67%
Barometric pressure1023 hPa1024 hPa1024 hPa1024 hPa1024 hPa1023 hPa1021 hPa1021 hPa
Cloud cover0%1%0%0%0%1%2%3%
Heat index25°C (76°F)21°C (70°F)19°C (67°F)19°C (66°F)18°C (64°F)18°C (65°F)19°C (66°F)23°C (73°F)
Dew point14°C (57°F)12°C (54°F)12°C (53°F)12°C (54°F)10°C (50°F)10°C (49°F)12°C (53°F)15°C (58°F)
Wind
Speed29km/h (18mph)30km/h (18mph)27km/h (17mph)21km/h (13mph)8km/h (5mph)14km/h (9mph)30km/h (18mph)29km/h (18mph)
Gusts39km/h (24mph)41km/h (26mph)36km/h (22mph)28km/h (18mph)12km/h (7mph)17km/h (11mph)34km/h (21mph)42km/h (26mph)
Direction 56°
NE
71°
ENE
80°
E
87°
E
129°
SE
238°
WSW
298°
WNW
337°
NNW
Wind chill21°C (71°F)20°C (68°F)19°C (67°F)19°C (66°F)18°C (64°F)18°C (65°F)19°C (66°F)21°C (70°F)
Waves
Height0.6m (2.0ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1.0ft)0.3m (1.0ft)
Direction 148°
SSE
62°
ENE
86°
E
100°
E
123°
ESE
154°
SSE
166°
SSE
250°
WSW
Period8.9 sec.8.8 sec.8.6 sec.8.5 sec.6.8 sec.4.6 sec.4.0 sec.4.0 sec.
Significant height1.0m (3.3ft)1.1m (3.6ft)1.0m (3.3ft)0.8m (2.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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