Coast and sea
Marine observations - Brittany
- Location 47.55, -8.47
- Altitude 0 m above mean sea level
Monday (12 January 2026)
| 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 |
13.1° Celsius
|
13.0° Celsius
|
12.6° Celsius
|
13.2° Celsius
|
13.2° Celsius
|
13.1° Celsius
|
13.1° Celsius
|
13.1° Celsius
|
13.0° Celsius
|
13.0° Celsius
|
12.9° Celsius
|
12.9° Celsius
|
12.8° Celsius
|
12.8° Celsius
|
12.9° Celsius
|
| Wind Direction and speed |
SSW
20
|
SSW
22
|
SW
21
|
SW
20
|
SW
17
|
SW
16
|
SSW
17
|
SSW
16
|
SSW
17
|
S
16
|
SSW
16
|
S
16
|
S
13
|
S
12
|
S
12
|
| Humidity | 89% | 88% | 87% | 88% | 89% | 88% | 88% | 89% | 90% | 91% | 91% | 91% | 91% | 91% | 91% |
| Pressure | 1,003 hectopascals | 1,004 hectopascals | 1,004 hectopascals | 1,004 hectopascals | 1,003 hectopascals | 1,003 hectopascals | 1,003 hectopascals | 1,003 hectopascals | 1,003 hectopascals | 1,004 hectopascals | 1,003 hectopascals | 1,003 hectopascals | 1,003 hectopascals | 1,002 hectopascals | 1,002 hectopascals |
| Dew point temperature | 11.3° Celsius | 11.1° Celsius | 10.5° Celsius | 11.2° Celsius | 11.4° Celsius | 11.2° Celsius | 11.2° Celsius | 11.4° Celsius | 11.4° Celsius | 11.5° Celsius | 11.5° Celsius | 11.4° Celsius | 11.4° Celsius | 11.4° Celsius | 11.5° Celsius |
| Sea Temperature | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius |
| Wave Height | 4.3 metres | 3.9 metres | 4.1 metres | 3.9 metres | 4.0 metres | 4.0 metres | 4.5 metres | 3.7 metres | 4.2 metres | 3.9 metres | 3.6 metres | 4.2 metres | 3.8 metres | 3.6 metres | 3.3 metres |
| Wave period | 8.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 8.0 seconds | 7.0 seconds | 8.0 seconds | 7.0 seconds | 7.0 seconds | 8.0 seconds | 8.0 seconds | 7.0 seconds | 7.0 seconds |
Tuesday (13 January 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 |
11.9° Celsius
|
12.3° Celsius
|
11.7° Celsius
|
11.9° Celsius
|
12.5° Celsius
|
12.5° Celsius
|
12.7° Celsius
|
12.8° Celsius
|
12.8° Celsius
|
12.5° Celsius
|
12.5° Celsius
|
12.7° Celsius
|
12.5° Celsius
|
12.0° Celsius
|
12.1° Celsius
|
12.0° Celsius
|
11.9° Celsius
|
11.9° Celsius
|
11.2° Celsius
|
11.0° Celsius
|
11.2° Celsius
|
11.0° Celsius
|
11.2° Celsius
|
11.2° Celsius
|
| Wind Direction and speed |
SSE
9
|
NNE
6
|
WNW
11
|
SW
10
|
S
12
|
SSW
8
|
SSE
8
|
SSE
12
|
SSE
9
|
SSW
16
|
SW
10
|
SSW
7
|
WSW
6
|
WNW
4
|
NNW
3
|
NNE
5
|
NE
10
|
NE
13
|
NE
29
|
NE
29
|
NE
28
|
NE
28
|
NE
26
|
NE
24
|
| Humidity | 93% | 95% | 95% | 95% | 95% | 94% | 94% | 94% | 94% | 94% | 94% | 95% | 95% | 95% | 95% | 95% | 95% | 95% | 95% | 93% | 91% | 88% | 85% | 81% |
| Pressure | 1,001 hectopascals | 1,000 hectopascals | 1,000 hectopascals | 1,001 hectopascals | 1,001 hectopascals | 1,001 hectopascals | 1,001 hectopascals | 1,001 hectopascals | 1,001 hectopascals | 1,001 hectopascals | 1,002 hectopascals | 1,003 hectopascals | 1,003 hectopascals | 1,002 hectopascals | 1,003 hectopascals | 1,003 hectopascals | 1,004 hectopascals | 1,005 hectopascals | 1,006 hectopascals | 1,007 hectopascals | 1,008 hectopascals | 1,009 hectopascals | 1,009 hectopascals | 1,010 hectopascals |
| Dew point temperature | 10.8° Celsius | 11.5° Celsius | 11.0° Celsius | 11.2° Celsius | 11.7° Celsius | 11.6° Celsius | 11.8° Celsius | 11.8° Celsius | 11.8° Celsius | 11.6° Celsius | 11.6° Celsius | 11.9° Celsius | 11.7° Celsius | 11.2° Celsius | 11.4° Celsius | 11.3° Celsius | 11.2° Celsius | 11.2° Celsius | 10.4° Celsius | 9.9° Celsius | 9.8° Celsius | 9.1° Celsius | 8.7° Celsius | 8.0° Celsius |
| Sea Temperature | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.5° Celsius | 12.5° Celsius | 12.5° Celsius | 12.5° Celsius | 12.5° Celsius | 12.5° Celsius | 12.6° Celsius | 12.5° Celsius | 12.5° Celsius | 12.6° Celsius |
| Wave Height | 4.0 metres | 3.6 metres | 3.1 metres | 3.6 metres | 3.5 metres | 4.0 metres | 3.5 metres | 4.0 metres | 3.6 metres | 3.9 metres | 3.9 metres | 3.5 metres | 3.7 metres | 3.1 metres | 3.5 metres | 3.8 metres | 3.6 metres | 3.2 metres | 3.5 metres | 4.0 metres | 3.8 metres | 3.8 metres | 4.1 metres | 3.9 metres |
| Wave period | 8.0 seconds | 8.0 seconds | 7.0 seconds | 8.0 seconds | 7.0 seconds | 8.0 seconds | 7.0 seconds | 8.0 seconds | 7.0 seconds | 8.0 seconds | 8.0 seconds | 8.0 seconds | 8.0 seconds | 8.0 seconds | 8.0 seconds | 8.0 seconds | 8.0 seconds | 8.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 7.0 seconds | 7.0 seconds |
Wednesday (14 January 2026)
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | |
|---|---|---|---|---|---|---|---|---|---|
| Temperature |
11.2° Celsius
|
11.2° Celsius
|
11.0° Celsius
|
10.9° Celsius
|
10.8° Celsius
|
10.5° Celsius
|
10.3° Celsius
|
10.1° Celsius
|
10.0° Celsius
|
| Wind Direction and speed |
NE
22
|
NNE
20
|
NNE
20
|
N
18
|
N
17
|
N
15
|
NNE
12
|
NNW
11
|
NW
9
|
| Humidity | 77% | 76% | 72% | 72% | 72% | 70% | 68% | 66% | 66% |
| Pressure | 1,011 hectopascals | 1,012 hectopascals | 1,012 hectopascals | 1,013 hectopascals | 1,013 hectopascals | 1,013 hectopascals | 1,013 hectopascals | 1,014 hectopascals | 1,014 hectopascals |
| Dew point temperature | 7.4° Celsius | 7.1° Celsius | 6.2° Celsius | 6.1° Celsius | 5.9° Celsius | 5.2° Celsius | 4.7° Celsius | 4.1° Celsius | 4.0° Celsius |
| Sea Temperature | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius |
| Wave Height | 3.9 metres | 3.9 metres | 3.9 metres | 3.8 metres | 3.6 metres | 3.3 metres | 3.8 metres | 3.3 metres | 3.1 metres |
| Wave period | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 8.0 seconds |
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