Coast and sea
Marine observations - Brittany
- Location 47.55, -8.47
- Altitude 0 m above mean sea level
Tuesday (31 March 2026)
| 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 |
11.5° Celsius
|
11.7° Celsius
|
11.9° Celsius
|
12.0° Celsius
|
11.9° Celsius
|
11.8° Celsius
|
11.5° Celsius
|
11.3° Celsius
|
11.3° Celsius
|
11.0° Celsius
|
10.7° Celsius
|
10.4° Celsius
|
10.2° Celsius
|
10.0° Celsius
|
10.1° Celsius
|
9.9° Celsius
|
| Wind Direction and speed |
NNW
7
|
NW
8
|
NNW
6
|
N
10
|
N
9
|
N
7
|
NNE
6
|
NNW
5
|
NNE
6
|
N
6
|
NW
7
|
NNW
6
|
N
8
|
N
6
|
N
6
|
N
9
|
| Humidity | 97% | 97% | 97% | 97% | 97% | 97% | 97% | 97% | 97% | 97% | 98% | 98% | 98% | 98% | 98% | 99% |
| Pressure | 1,037 hectopascals | 1,037 hectopascals | 1,037 hectopascals | 1,037 hectopascals | 1,037 hectopascals | 1,036 hectopascals | 1,036 hectopascals | 1,036 hectopascals | 1,036 hectopascals | 1,035 hectopascals | 1,035 hectopascals | 1,035 hectopascals | 1,035 hectopascals | 1,036 hectopascals | 1,035 hectopascals | 1,035 hectopascals |
| Dew point temperature | 11.1° Celsius | 11.3° Celsius | 11.5° Celsius | 11.6° Celsius | 11.5° Celsius | 11.4° Celsius | 11.1° Celsius | 10.9° Celsius | 10.9° Celsius | 10.6° Celsius | 10.4° Celsius | 10.1° Celsius | 9.9° Celsius | 9.7° Celsius | 9.8° Celsius | 9.7° Celsius |
| Sea Temperature | 12.2° Celsius | 12.2° Celsius | 12.2° Celsius | 12.2° Celsius | 12.2° Celsius | 12.3° Celsius | 12.4° Celsius | 12.5° Celsius | 12.5° Celsius | 12.5° Celsius | 12.4° Celsius | 12.4° Celsius | 12.3° Celsius | 12.3° Celsius | 12.3° Celsius | 12.3° Celsius |
| Wave Height | 3.7 metres | 4.1 metres | 4.0 metres | 4.3 metres | 4.3 metres | 3.7 metres | 3.2 metres | 3.7 metres | 3.5 metres | 3.5 metres | 3.6 metres | 3.4 metres | 3.3 metres | 3.2 metres | 3.1 metres | 2.9 metres |
| Wave period | 10.0 seconds | 11.0 seconds | 10.0 seconds | 11.0 seconds | 11.0 seconds | 10.0 seconds | 9.0 seconds | 10.0 seconds | 10.0 seconds | 10.0 seconds | 11.0 seconds | 11.0 seconds | 10.0 seconds | 10.0 seconds | 10.0 seconds | 9.0 seconds |
Wednesday (1 April 2026)
| 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 |
10.0° Celsius
|
9.7° Celsius
|
10.1° Celsius
|
10.2° Celsius
|
10.3° Celsius
|
10.2° Celsius
|
10.3° Celsius
|
10.3° Celsius
|
10.6° Celsius
|
10.9° Celsius
|
11.2° Celsius
|
11.5° Celsius
|
11.5° Celsius
|
11.8° Celsius
|
11.1° Celsius
|
11.4° Celsius
|
11.9° Celsius
|
12.1° Celsius
|
12.3° Celsius
|
12.2° Celsius
|
12.3° Celsius
|
12.4° Celsius
|
12.4° Celsius
|
11.6° Celsius
|
| Wind Direction and speed |
N
9
|
N
7
|
N
7
|
NNE
3
|
N
5
|
N
2
|
W
5
|
NNW
7
|
NNW
9
|
WNW
7
|
NW
9
|
WNW
10
|
WNW
9
|
WNW
10
|
NW
10
|
NNW
12
|
WNW
13
|
NW
14
|
NNW
16
|
NNW
16
|
NW
15
|
NW
13
|
NW
14
|
NNW
14
|
| Humidity | 98% | 98% | 98% | 98% | 98% | 98% | 98% | 98% | 97% | 96% | 95% | 94% | 95% | 94% | 95% | 93% | 89% | 85% | 84% | 84% | 85% | 86% | 88% | 91% |
| Pressure | 1,035 hectopascals | 1,035 hectopascals | 1,034 hectopascals | 1,033 hectopascals | 1,033 hectopascals | 1,032 hectopascals | 1,032 hectopascals | 1,033 hectopascals | 1,033 hectopascals | 1,032 hectopascals | 1,033 hectopascals | 1,032 hectopascals | 1,032 hectopascals | 1,031 hectopascals | 1,030 hectopascals | 1,030 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,028 hectopascals | 1,028 hectopascals |
| Dew point temperature | 9.7° Celsius | 9.4° Celsius | 9.8° Celsius | 9.9° Celsius | 10.0° Celsius | 9.9° Celsius | 10.0° Celsius | 10.0° Celsius | 10.2° Celsius | 10.3° Celsius | 10.5° Celsius | 10.6° Celsius | 10.7° Celsius | 10.9° Celsius | 10.3° Celsius | 10.3° Celsius | 10.1° Celsius | 9.7° Celsius | 9.6° Celsius | 9.6° Celsius | 9.8° Celsius | 10.2° Celsius | 10.4° Celsius | 10.2° Celsius |
| Sea Temperature | 12.3° Celsius | 12.3° Celsius | 12.3° Celsius | 12.2° Celsius | 12.3° Celsius | 12.3° Celsius | 12.3° Celsius | 12.3° Celsius | 12.3° Celsius | 12.2° Celsius | 12.2° Celsius | 12.3° Celsius | 12.3° Celsius | 12.3° Celsius | 12.4° Celsius | 12.4° Celsius | 12.4° Celsius | 12.4° Celsius | 12.3° Celsius | 12.4° Celsius | 12.3° Celsius | 12.3° Celsius | 12.3° Celsius | 12.3° Celsius |
| Wave Height | 3.1 metres | 3.1 metres | 3.0 metres | 2.8 metres | 2.5 metres | 2.7 metres | 2.4 metres | 2.2 metres | 2.2 metres | 2.6 metres | 2.2 metres | 2.5 metres | 2.4 metres | 2.1 metres | 2.3 metres | 2.1 metres | 2.1 metres | 2.1 metres | 2.1 metres | 2.2 metres | 2.2 metres | 2.3 metres | 2.4 metres | 2.4 metres |
| Wave period | 10.0 seconds | 10.0 seconds | 10.0 seconds | 10.0 seconds | 9.0 seconds | 10.0 seconds | 9.0 seconds | 9.0 seconds | 9.0 seconds | 9.0 seconds | 8.0 seconds | 8.0 seconds | 8.0 seconds | 8.0 seconds | 8.0 seconds | 8.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds |
Thursday (2 April 2026)
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | |
|---|---|---|---|---|---|---|---|---|
| Temperature |
11.6° Celsius
|
11.4° Celsius
|
11.1° Celsius
|
10.8° Celsius
|
10.9° Celsius
|
10.9° Celsius
|
10.9° Celsius
|
11.0° Celsius
|
| Wind Direction and speed |
N
19
|
N
18
|
NNE
17
|
N
16
|
N
13
|
N
12
|
N
12
|
N
12
|
| Humidity | 89% | 83% | 78% | 77% | 76% | 74% | 73% | 75% |
| Pressure | 1,028 hectopascals | 1,028 hectopascals | 1,027 hectopascals | 1,027 hectopascals | 1,026 hectopascals | 1,027 hectopascals | 1,027 hectopascals | 1,027 hectopascals |
| Dew point temperature | 9.9° Celsius | 8.7° Celsius | 7.5° Celsius | 6.9° Celsius | 6.9° Celsius | 6.4° Celsius | 6.3° Celsius | 6.7° Celsius |
| Sea Temperature | 12.3° Celsius | 12.3° Celsius | 12.3° Celsius | 12.3° Celsius | 12.2° Celsius | 12.2° Celsius | 12.2° Celsius | 12.2° Celsius |
| Wave Height | 2.6 metres | 2.4 metres | 2.3 metres | 2.2 metres | 2.1 metres | 2.0 metres | 1.9 metres | 1.7 metres |
| Wave period | 7.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 6.0 seconds |
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