Coast and sea
Marine observations - Brittany
- Location 47.55, -8.47
- Altitude 0 m above mean sea level
Friday (4 July 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 |
17.2° Celsius
|
17.2° Celsius
|
17.3° Celsius
|
17.3° Celsius
|
17.3° Celsius
|
17.3° Celsius
|
17.4° Celsius
|
17.5° Celsius
|
17.6° Celsius
|
17.7° Celsius
|
17.7° Celsius
|
17.8° Celsius
|
17.8° Celsius
|
17.7° Celsius
|
17.8° Celsius
|
17.8° Celsius
|
17.9° Celsius
|
18.0° Celsius
|
17.9° Celsius
|
17.9° Celsius
|
18.0° Celsius
|
17.8° Celsius
|
17.8° Celsius
|
17.7° Celsius
|
| Wind Direction and speed |
NE
18
|
NE
16
|
ENE
17
|
NE
17
|
NE
15
|
ENE
16
|
E
15
|
ENE
14
|
E
13
|
ENE
12
|
NE
12
|
NE
11
|
NE
10
|
NE
10
|
NNE
9
|
NE
10
|
NE
10
|
NNE
9
|
N
12
|
NNE
11
|
N
13
|
N
10
|
N
10
|
NNW
6
|
| Humidity | 73% | 75% | 74% | 75% | 76% | 78% | 76% | 76% | 75% | 76% | 75% | 78% | 76% | 79% | 79% | 78% | 79% | 79% | 81% | 80% | 82% | 80% | 83% | 79% |
| Pressure | 1,032 hectopascals | 1,032 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,030 hectopascals | 1,030 hectopascals | 1,030 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,028 hectopascals |
| Dew point temperature | 12.4° Celsius | 12.7° Celsius | 12.6° Celsius | 12.9° Celsius | 13.1° Celsius | 13.4° Celsius | 13.2° Celsius | 13.2° Celsius | 13.1° Celsius | 13.5° Celsius | 13.3° Celsius | 13.9° Celsius | 13.6° Celsius | 14.0° Celsius | 14.1° Celsius | 13.9° Celsius | 14.2° Celsius | 14.3° Celsius | 14.6° Celsius | 14.4° Celsius | 14.9° Celsius | 14.3° Celsius | 14.8° Celsius | 14.1° Celsius |
| Sea Temperature | 18.4° Celsius | 18.3° Celsius | 18.3° Celsius | 18.3° Celsius | 18.4° Celsius | 18.4° Celsius | 18.4° Celsius | 18.4° Celsius | 18.4° Celsius | 18.4° Celsius | 18.4° Celsius | 18.4° Celsius | 18.5° Celsius | 18.7° Celsius | 18.8° Celsius | 18.8° Celsius | 18.7° Celsius | 18.9° Celsius | 18.8° Celsius | 18.8° Celsius | 18.8° Celsius | 18.8° Celsius | 18.8° Celsius | 18.8° Celsius |
| Wave Height | 1.1 metres | 1.1 metres | 1.2 metres | 1.1 metres | 1.2 metres | 1.1 metres | 1.1 metres | 1.1 metres | 1.1 metres | 1.1 metres | 1.1 metres | 1.0 metres | 1.1 metres | 1.1 metres | 1.2 metres | 1.2 metres | 1.2 metres | 1.3 metres | 1.4 metres | 1.3 metres | 1.4 metres | 1.2 metres | 1.1 metres | 1.2 metres |
| Wave period | 4.0 seconds | 4.0 seconds | 4.0 seconds | 4.0 seconds | 4.0 seconds | 4.0 seconds | 4.0 seconds | 4.0 seconds | 4.0 seconds | 4.0 seconds | 4.0 seconds | 4.0 seconds | 4.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 6.0 seconds | 6.0 seconds | 5.0 seconds | 6.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds |
Saturday (5 July 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 |
17.8° Celsius
|
17.9° Celsius
|
17.8° Celsius
|
18.0° Celsius
|
18.1° Celsius
|
18.1° Celsius
|
18.1° Celsius
|
18.3° Celsius
|
18.5° Celsius
|
18.5° Celsius
|
18.5° Celsius
|
18.6° Celsius
|
18.7° Celsius
|
18.8° Celsius
|
18.9° Celsius
|
18.9° Celsius
|
18.9° Celsius
|
18.7° Celsius
|
18.6° Celsius
|
18.5° Celsius
|
18.5° Celsius
|
18.7° Celsius
|
18.7° Celsius
|
18.4° Celsius
|
| Wind Direction and speed |
NW
7
|
W
9
|
W
11
|
W
12
|
W
12
|
W
12
|
WSW
13
|
WSW
14
|
WSW
14
|
WSW
15
|
W
15
|
WSW
15
|
WSW
15
|
WSW
16
|
WSW
16
|
WSW
15
|
WSW
17
|
WSW
17
|
W
17
|
WSW
17
|
W
17
|
W
17
|
W
17
|
W
18
|
| Humidity | 80% | 83% | 83% | 84% | 82% | 82% | 82% | 83% | 83% | 85% | 86% | 88% | 88% | 90% | 89% | 90% | 92% | 94% | 95% | 96% | 96% | 95% | 95% | 96% |
| Pressure | 1,028 hectopascals | 1,027 hectopascals | 1,027 hectopascals | 1,026 hectopascals | 1,026 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,024 hectopascals | 1,024 hectopascals | 1,023 hectopascals | 1,023 hectopascals | 1,023 hectopascals | 1,022 hectopascals | 1,021 hectopascals | 1,021 hectopascals | 1,020 hectopascals | 1,020 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,018 hectopascals |
| Dew point temperature | 14.3° Celsius | 15.0° Celsius | 14.9° Celsius | 15.2° Celsius | 15.0° Celsius | 14.9° Celsius | 15.0° Celsius | 15.4° Celsius | 15.5° Celsius | 15.9° Celsius | 16.1° Celsius | 16.5° Celsius | 16.7° Celsius | 17.1° Celsius | 17.0° Celsius | 17.3° Celsius | 17.5° Celsius | 17.7° Celsius | 17.8° Celsius | 17.8° Celsius | 17.9° Celsius | 17.9° Celsius | 17.9° Celsius | 17.8° Celsius |
| Sea Temperature | 18.7° Celsius | 18.7° Celsius | 18.7° Celsius | 18.7° Celsius | 18.7° Celsius | 18.6° Celsius | 18.6° Celsius | 18.6° Celsius | 18.6° Celsius | 18.6° Celsius | 18.5° Celsius | 18.5° Celsius | 18.5° Celsius | 18.5° Celsius | 18.6° Celsius | 18.5° Celsius | 18.5° Celsius | 18.3° Celsius | 18.2° Celsius | 18.1° Celsius | 18.0° Celsius | 18.0° Celsius | 18.0° Celsius | 18.0° Celsius |
| Wave Height | 1.1 metres | 1.1 metres | 1.1 metres | 1.0 metres | 1.2 metres | 1.3 metres | 1.4 metres | 1.6 metres | 1.7 metres | 1.6 metres | 1.7 metres | 1.7 metres | 1.9 metres | 1.9 metres | 2.0 metres | 2.1 metres | 2.3 metres | 2.4 metres | 2.3 metres | 2.5 metres | 2.5 metres | 2.6 metres | 2.7 metres | 2.8 metres |
| Wave period | 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 | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds |
Latest observations by area
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Marine forecasts disclaimer
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