Coast and sea
Marine observations - Brittany
- Location 47.55, -8.47
- Altitude 0 m above mean sea level
Wednesday (13 August 2025)
| 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature |
19.9° Celsius
|
19.7° Celsius
|
19.7° Celsius
|
19.8° Celsius
|
19.9° Celsius
|
20.0° Celsius
|
20.1° Celsius
|
20.2° Celsius
|
20.2° Celsius
|
20.0° Celsius
|
20.2° Celsius
|
20.2° Celsius
|
19.9° Celsius
|
19.8° Celsius
|
20.0° Celsius
|
19.9° Celsius
|
20.0° Celsius
|
19.9° Celsius
|
19.9° Celsius
|
19.9° Celsius
|
19.8° Celsius
|
| Wind Direction and speed |
S
8
|
SSW
8
|
SSW
11
|
SW
13
|
SSW
12
|
SSW
10
|
S
11
|
SSW
13
|
SSW
14
|
SSW
12
|
WSW
15
|
WSW
15
|
WSW
13
|
W
12
|
W
11
|
W
12
|
W
12
|
WSW
12
|
W
12
|
WSW
11
|
W
12
|
| Humidity | 94% | 93% | 92% | 92% | 91% | 89% | 90% | 89% | 86% | 88% | 87% | 86% | 88% | 87% | 87% | 84% | 83% | 80% | 82% | 82% | 81% |
| Pressure | 1,015 hectopascals | 1,014 hectopascals | 1,014 hectopascals | 1,014 hectopascals | 1,014 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,016 hectopascals | 1,016 hectopascals | 1,016 hectopascals | 1,017 hectopascals | 1,016 hectopascals | 1,016 hectopascals | 1,016 hectopascals | 1,016 hectopascals | 1,016 hectopascals | 1,017 hectopascals | 1,018 hectopascals | 1,018 hectopascals | 1,018 hectopascals |
| Dew point temperature | 18.9° Celsius | 18.5° Celsius | 18.4° Celsius | 18.4° Celsius | 18.3° Celsius | 18.2° Celsius | 18.4° Celsius | 18.3° Celsius | 17.8° Celsius | 17.9° Celsius | 17.9° Celsius | 17.8° Celsius | 17.8° Celsius | 17.6° Celsius | 17.7° Celsius | 17.2° Celsius | 17.1° Celsius | 16.4° Celsius | 16.7° Celsius | 16.8° Celsius | 16.4° Celsius |
| Sea Temperature | 20.0° Celsius | 20.0° Celsius | 20.0° Celsius | 20.0° Celsius | 20.0° Celsius | 20.0° Celsius | 20.0° Celsius | 20.0° Celsius | 20.1° Celsius | 20.0° Celsius | 20.0° Celsius | 20.0° Celsius | 20.1° Celsius | 20.1° Celsius | 20.1° Celsius | 20.1° Celsius | 20.1° Celsius | 20.1° Celsius | 20.0° Celsius | 20.0° Celsius | 20.0° Celsius |
| Wave Height | 1.5 metres | 1.3 metres | 1.3 metres | 1.2 metres | 1.3 metres | 1.4 metres | 1.3 metres | 1.3 metres | 1.3 metres | 1.4 metres | 1.5 metres | 1.4 metres | 1.5 metres | 1.3 metres | 1.5 metres | 1.4 metres | 1.5 metres | 1.8 metres | 1.6 metres | 1.7 metres | 1.8 metres |
| Wave period | 7.0 seconds | 7.0 seconds | 7.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds |
Thursday (14 August 2025)
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature |
19.8° Celsius
|
20.0° Celsius
|
19.8° Celsius
|
19.7° Celsius
|
19.8° Celsius
|
19.9° Celsius
|
20.1° Celsius
|
20.2° Celsius
|
20.1° Celsius
|
19.9° Celsius
|
19.8° Celsius
|
20.0° Celsius
|
20.1° Celsius
|
20.6° Celsius
|
22.1° Celsius
|
22.2° Celsius
|
20.8° Celsius
|
20.8° Celsius
|
20.6° Celsius
|
20.5° Celsius
|
20.2° Celsius
|
20.1° Celsius
|
20.0° Celsius
|
19.8° Celsius
|
| Wind Direction and speed |
WNW
10
|
W
11
|
W
12
|
W
8
|
W
8
|
WSW
4
|
SW
8
|
SSW
6
|
NNW
5
|
N
2
|
SSW
3
|
WSW
3
|
WSW
6
|
SW
1
|
S
2
|
ESE
2
|
ENE
4
|
E
7
|
ESE
9
|
ESE
10
|
E
11
|
E
11
|
E
12
|
ENE
13
|
| Humidity | 82% | 82% | 83% | 82% | 72% | 71% | 74% | 76% | 83% | 84% | 81% | 80% | 79% | 75% | 70% | 68% | 72% | 70% | 74% | 75% | 81% | 80% | 81% | 82% |
| Pressure | 1,018 hectopascals | 1,018 hectopascals | 1,018 hectopascals | 1,019 hectopascals | 1,018 hectopascals | 1,018 hectopascals | 1,018 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,020 hectopascals | 1,020 hectopascals | 1,021 hectopascals | 1,021 hectopascals | 1,021 hectopascals | 1,021 hectopascals | 1,021 hectopascals | 1,021 hectopascals | 1,021 hectopascals | 1,021 hectopascals | 1,021 hectopascals | 1,021 hectopascals | 1,022 hectopascals | 1,022 hectopascals | 1,022 hectopascals |
| Dew point temperature | 16.6° Celsius | 16.8° Celsius | 16.9° Celsius | 16.5° Celsius | 14.6° Celsius | 14.4° Celsius | 15.4° Celsius | 15.8° Celsius | 17.2° Celsius | 17.2° Celsius | 16.5° Celsius | 16.5° Celsius | 16.3° Celsius | 16.1° Celsius | 16.3° Celsius | 16.0° Celsius | 15.5° Celsius | 15.1° Celsius | 15.9° Celsius | 15.9° Celsius | 16.9° Celsius | 16.6° Celsius | 16.6° Celsius | 16.6° Celsius |
| Sea Temperature | 20.0° Celsius | 20.0° Celsius | 20.0° Celsius | 20.0° Celsius | 20.0° Celsius | 20.0° Celsius | 20.0° Celsius | 20.0° Celsius | 20.0° Celsius | 20.0° Celsius | 20.0° Celsius | 20.1° Celsius | 20.2° Celsius | 20.3° Celsius | 20.4° Celsius | 20.6° Celsius | 20.5° Celsius | 21.0° Celsius | 20.6° Celsius | 20.5° Celsius | 20.5° Celsius | 20.3° Celsius | 20.3° Celsius | 20.2° Celsius |
| Wave Height | 1.5 metres | 1.6 metres | 1.5 metres | 1.5 metres | 1.4 metres | 1.3 metres | 1.2 metres | 1.1 metres | 1.1 metres | 1.0 metres | 1.0 metres | 1.0 metres | 1.0 metres | 1.0 metres | 1.1 metres | 1.0 metres | 1.0 metres | 1.0 metres | 1.0 metres | 0.9 metres | 1.0 metres | 0.9 metres | 0.9 metres | 0.7 metres |
| Wave period | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 4.0 seconds |
Friday (15 August 2025)
| 00:00 | 01:00 | 02:00 | |
|---|---|---|---|
| Temperature |
19.7° Celsius
|
19.7° Celsius
|
19.6° Celsius
|
| Wind Direction and speed |
E
17
|
E
18
|
E
20
|
| Humidity | 81% | 83% | 83% |
| Pressure | 1,022 hectopascals | 1,022 hectopascals | 1,021 hectopascals |
| Dew point temperature | 16.4° Celsius | 16.7° Celsius | 16.6° Celsius |
| Sea Temperature | 20.1° Celsius | 20.1° Celsius | 20.0° Celsius |
| Wave Height | 0.8 metres | 0.9 metres | 1.0 metres |
| Wave period | 4.0 seconds | 3.0 seconds | 3.0 seconds |
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