Coast and sea
Marine observations - Brittany
- Location 47.55, -8.47
- Altitude 0 m above mean sea level
Monday (13 October 2025)
| 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 |
16.6° Celsius
|
16.5° Celsius
|
16.5° Celsius
|
16.2° Celsius
|
16.1° Celsius
|
15.9° Celsius
|
15.8° Celsius
|
15.8° Celsius
|
15.9° Celsius
|
15.8° Celsius
|
15.9° Celsius
|
16.2° Celsius
|
16.1° Celsius
|
16.3° Celsius
|
| Wind Direction and speed |
ESE
16
|
ESE
16
|
E
15
|
E
16
|
E
17
|
ESE
15
|
E
17
|
E
16
|
E
16
|
ESE
16
|
ESE
17
|
E
16
|
E
15
|
E
14
|
| Humidity | 90% | 90% | 89% | 89% | 89% | 86% | 85% | 84% | 84% | 83% | 84% | 86% | 86% | 87% |
| Pressure | 1,022 hectopascals | 1,022 hectopascals | 1,022 hectopascals | 1,022 hectopascals | 1,022 hectopascals | 1,022 hectopascals | 1,022 hectopascals | 1,022 hectopascals | 1,022 hectopascals | 1,023 hectopascals | 1,023 hectopascals | 1,023 hectopascals | 1,023 hectopascals | 1,023 hectopascals |
| Dew point temperature | 15.0° Celsius | 14.8° Celsius | 14.6° Celsius | 14.3° Celsius | 14.3° Celsius | 13.6° Celsius | 13.2° Celsius | 13.1° Celsius | 13.2° Celsius | 12.9° Celsius | 13.2° Celsius | 13.9° Celsius | 13.7° Celsius | 14.1° Celsius |
| Sea Temperature | 16.8° Celsius | 16.8° Celsius | 16.8° Celsius | 16.8° Celsius | 16.8° Celsius | 16.8° Celsius | 16.8° Celsius | 16.8° Celsius | 16.8° Celsius | 16.8° Celsius | 16.8° Celsius | 16.8° Celsius | 16.8° Celsius | 16.8° Celsius |
| Wave Height | 1.4 metres | 1.4 metres | 1.6 metres | 1.5 metres | 1.7 metres | 1.5 metres | 1.5 metres | 1.5 metres | 1.6 metres | 1.4 metres | 1.7 metres | 1.6 metres | 1.6 metres | 1.6 metres |
| Wave period | 4.0 seconds | 4.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 4.0 seconds | 5.0 seconds | 4.0 seconds | 5.0 seconds | 4.0 seconds | 5.0 seconds | 4.0 seconds | 4.0 seconds | 5.0 seconds |
Tuesday (14 October 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 |
16.3° Celsius
|
16.4° Celsius
|
16.5° Celsius
|
16.5° Celsius
|
16.3° Celsius
|
16.3° Celsius
|
16.3° Celsius
|
16.3° Celsius
|
16.1° Celsius
|
16.1° Celsius
|
16.2° Celsius
|
16.0° Celsius
|
16.1° Celsius
|
16.4° Celsius
|
16.4° Celsius
|
16.6° Celsius
|
16.4° Celsius
|
16.3° Celsius
|
16.2° Celsius
|
16.2° Celsius
|
16.4° Celsius
|
16.2° Celsius
|
16.1° Celsius
|
16.2° Celsius
|
| Wind Direction and speed |
E
14
|
E
15
|
E
14
|
ESE
15
|
ESE
17
|
E
16
|
ESE
16
|
E
15
|
ESE
15
|
ESE
16
|
ESE
16
|
E
19
|
E
18
|
E
16
|
E
16
|
E
15
|
E
15
|
E
15
|
E
16
|
E
15
|
E
14
|
E
12
|
E
14
|
E
14
|
| Humidity | 89% | 89% | 88% | 87% | 87% | 86% | 85% | 83% | 79% | 78% | 80% | 79% | 78% | 77% | 76% | 84% | 84% | 84% | 84% | 80% | 81% | 85% | 87% | 88% |
| Pressure | 1,023 hectopascals | 1,023 hectopascals | 1,023 hectopascals | 1,023 hectopascals | 1,023 hectopascals | 1,023 hectopascals | 1,023 hectopascals | 1,023 hectopascals | 1,024 hectopascals | 1,024 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,024 hectopascals | 1,024 hectopascals | 1,024 hectopascals | 1,024 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals |
| Dew point temperature | 14.5° Celsius | 14.5° Celsius | 14.5° Celsius | 14.4° Celsius | 14.1° Celsius | 14.0° Celsius | 13.7° Celsius | 13.4° Celsius | 12.4° Celsius | 12.3° Celsius | 12.7° Celsius | 12.4° Celsius | 12.3° Celsius | 12.4° Celsius | 12.1° Celsius | 13.9° Celsius | 13.7° Celsius | 13.6° Celsius | 13.4° Celsius | 12.8° Celsius | 13.2° Celsius | 13.6° Celsius | 13.9° Celsius | 14.2° Celsius |
| Sea Temperature | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.6° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius | 16.7° Celsius |
| Wave Height | 1.5 metres | 1.5 metres | 1.5 metres | 1.5 metres | 1.7 metres | 1.7 metres | 1.6 metres | 1.5 metres | 1.7 metres | 1.6 metres | 1.8 metres | 1.8 metres | 1.8 metres | 1.7 metres | 2.0 metres | 1.7 metres | 1.8 metres | 1.7 metres | 1.9 metres | 2.0 metres | 2.0 metres | 1.8 metres | 1.6 metres | 1.7 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 | 6.0 seconds | 6.0 seconds | 6.0 seconds | 5.0 seconds | 5.0 seconds |
Wednesday (15 October 2025)
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Temperature |
16.2° Celsius
|
16.3° Celsius
|
16.4° Celsius
|
16.4° Celsius
|
16.3° Celsius
|
16.2° Celsius
|
16.3° Celsius
|
16.1° Celsius
|
16.2° Celsius
|
16.1° Celsius
|
| Wind Direction and speed |
E
14
|
E
14
|
E
16
|
E
17
|
E
18
|
ESE
18
|
ESE
18
|
ESE
19
|
E
19
|
E
21
|
| Humidity | 90% | 90% | 87% | 89% | 87% | 84% | 84% | 86% | 81% | 79% |
| Pressure | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,024 hectopascals | 1,024 hectopascals | 1,024 hectopascals | 1,024 hectopascals | 1,024 hectopascals | 1,024 hectopascals | 1,024 hectopascals |
| Dew point temperature | 14.5° Celsius | 14.6° Celsius | 14.2° Celsius | 14.5° Celsius | 14.2° Celsius | 13.4° Celsius | 13.5° Celsius | 13.8° Celsius | 13.0° Celsius | 12.4° Celsius |
| Sea Temperature | 16.6° Celsius | 16.7° Celsius | 16.7° Celsius | 16.6° Celsius | 16.6° Celsius | 16.6° Celsius | 16.6° Celsius | 16.6° Celsius | 16.6° Celsius | 16.6° Celsius |
| Wave Height | 1.8 metres | 1.8 metres | 1.7 metres | 1.7 metres | 1.7 metres | 1.6 metres | 1.7 metres | 1.9 metres | 2.0 metres | 1.9 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 |
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