Coast and sea
Marine observations - Brittany
- Location 47.55, -8.47
- Altitude 0 m above mean sea level
Monday (2 March 2026)
| 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 |
9.9° Celsius
|
10.4° Celsius
|
10.2° Celsius
|
10.6° Celsius
|
11.1° Celsius
|
11.0° Celsius
|
10.8° Celsius
|
10.7° Celsius
|
10.4° Celsius
|
10.4° Celsius
|
10.2° Celsius
|
10.5° Celsius
|
10.6° Celsius
|
| Wind Direction and speed |
NE
16
|
NNE
15
|
NNE
17
|
NE
18
|
NE
20
|
NE
20
|
NE
19
|
ENE
20
|
NE
20
|
NE
21
|
NE
22
|
NE
21
|
NE
21
|
| Humidity | 87% | 86% | 87% | 82% | 77% | 78% | 83% | 85% | 89% | 92% | 92% | 93% | 94% |
| Pressure | 1,011 hectopascals | 1,011 hectopascals | 1,011 hectopascals | 1,011 hectopascals | 1,012 hectopascals | 1,012 hectopascals | 1,013 hectopascals | 1,014 hectopascals | 1,015 hectopascals | 1,016 hectopascals | 1,017 hectopascals | 1,018 hectopascals | 1,018 hectopascals |
| Dew point temperature | 7.9° Celsius | 8.2° Celsius | 8.1° Celsius | 7.6° Celsius | 7.2° Celsius | 7.3° Celsius | 8.1° Celsius | 8.2° Celsius | 8.6° Celsius | 9.1° Celsius | 9.0° Celsius | 9.4° Celsius | 9.6° Celsius |
| Sea Temperature | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius |
| Wave Height | 3.3 metres | 3.6 metres | 3.2 metres | 4.0 metres | 3.3 metres | 3.0 metres | 3.4 metres | 3.3 metres | 3.2 metres | 3.0 metres | 3.8 metres | 3.3 metres | 3.8 metres |
| Wave period | 8.0 seconds | 8.0 seconds | 7.0 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 | 7.0 seconds |
Tuesday (3 March 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 |
10.9° Celsius
|
11.3° Celsius
|
11.5° Celsius
|
11.8° Celsius
|
12.1° Celsius
|
12.3° Celsius
|
12.4° Celsius
|
12.3° Celsius
|
12.2° Celsius
|
12.2° Celsius
|
12.2° Celsius
|
12.3° Celsius
|
12.4° Celsius
|
12.4° Celsius
|
12.4° Celsius
|
12.5° Celsius
|
12.6° Celsius
|
12.6° Celsius
|
12.5° Celsius
|
12.5° Celsius
|
12.4° Celsius
|
12.4° Celsius
|
11.9° Celsius
|
11.6° Celsius
|
| Wind Direction and speed |
NE
19
|
NE
18
|
NE
16
|
NE
15
|
E
14
|
E
10
|
NE
8
|
NNE
11
|
NNE
13
|
NE
14
|
ENE
14
|
ENE
12
|
E
13
|
E
11
|
E
10
|
E
9
|
E
10
|
E
11
|
E
9
|
E
10
|
ESE
7
|
ESE
9
|
SE
10
|
SE
9
|
| Humidity | 93% | 93% | 93% | 94% | 94% | 95% | 95% | 95% | 95% | 95% | 95% | 95% | 95% | 94% | 94% | 94% | 94% | 94% | 94% | 94% | 94% | 94% | 93% | 92% |
| Pressure | 1,019 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,020 hectopascals | 1,021 hectopascals | 1,021 hectopascals | 1,022 hectopascals | 1,022 hectopascals | 1,022 hectopascals | 1,022 hectopascals | 1,022 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 | 1,022 hectopascals | 1,022 hectopascals |
| Dew point temperature | 9.8° Celsius | 10.2° Celsius | 10.4° Celsius | 10.8° Celsius | 11.2° Celsius | 11.5° Celsius | 11.6° Celsius | 11.5° Celsius | 11.5° Celsius | 11.5° Celsius | 11.4° Celsius | 11.5° Celsius | 11.6° Celsius | 11.5° Celsius | 11.4° Celsius | 11.5° Celsius | 11.6° Celsius | 11.6° Celsius | 11.6° Celsius | 11.5° Celsius | 11.4° Celsius | 11.4° Celsius | 10.8° Celsius | 10.4° Celsius |
| Sea Temperature | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.1° Celsius | 12.2° Celsius | 12.2° Celsius | 12.2° Celsius | 12.3° Celsius | 12.3° Celsius | 12.3° Celsius | 12.3° Celsius | 12.3° Celsius | 12.3° Celsius | 12.3° Celsius | 12.3° Celsius | 12.2° Celsius | 12.2° Celsius |
| Wave Height | 3.9 metres | 3.9 metres | 4.4 metres | 4.1 metres | 4.7 metres | 4.3 metres | 4.6 metres | 4.7 metres | 5.3 metres | 5.3 metres | 4.7 metres | 4.7 metres | 4.4 metres | 4.2 metres | 4.3 metres | 4.2 metres | 3.6 metres | 3.5 metres | 3.5 metres | 3.2 metres | 3.2 metres | 3.1 metres | 3.0 metres | 3.1 metres |
| Wave period | 7.0 seconds | 8.0 seconds | 8.0 seconds | 9.0 seconds | 10.0 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 | 10.0 seconds | 10.0 seconds | 9.0 seconds | 9.0 seconds | 9.0 seconds | 9.0 seconds | 9.0 seconds | 9.0 seconds | 8.0 seconds | 9.0 seconds |
Wednesday (4 March 2026)
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature |
11.4° Celsius
|
11.3° Celsius
|
11.0° Celsius
|
10.9° Celsius
|
10.8° Celsius
|
10.7° Celsius
|
10.6° Celsius
|
10.7° Celsius
|
10.6° Celsius
|
10.6° Celsius
|
10.5° Celsius
|
| Wind Direction and speed |
SE
8
|
ESE
7
|
SE
8
|
SE
9
|
ESE
5
|
SE
6
|
ESE
7
|
SE
8
|
SE
8
|
SE
7
|
SE
10
|
| Humidity | 92% | 92% | 92% | 92% | 91% | 91% | 90% | 91% | 92% | 93% | 93% |
| Pressure | 1,022 hectopascals | 1,022 hectopascals | 1,021 hectopascals | 1,020 hectopascals | 1,020 hectopascals | 1,020 hectopascals | 1,020 hectopascals | 1,020 hectopascals | 1,020 hectopascals | 1,020 hectopascals | 1,020 hectopascals |
| Dew point temperature | 10.1° Celsius | 10.0° Celsius | 9.7° Celsius | 9.6° Celsius | 9.4° Celsius | 9.3° Celsius | 9.1° Celsius | 9.3° Celsius | 9.4° Celsius | 9.5° Celsius | 9.4° Celsius |
| Sea Temperature | 12.2° Celsius | 12.2° Celsius | 12.2° Celsius | 12.2° Celsius | 12.2° Celsius | 12.2° Celsius | 12.2° Celsius | 12.2° Celsius | 12.2° Celsius | 12.2° Celsius | 12.2° Celsius |
| Wave Height | 2.9 metres | 2.8 metres | 2.8 metres | 2.6 metres | 2.5 metres | 2.5 metres | 2.3 metres | 2.0 metres | 1.9 metres | 2.2 metres | 2.1 metres |
| Wave period | 8.0 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 | 8.0 seconds | 7.0 seconds |
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