Coast and sea
Marine observations - Brittany
- Location 47.55, -8.47
- Altitude 0 m above mean sea level
Sunday (17 May 2026)
| 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 |
12.6° Celsius
|
12.8° Celsius
|
12.9° Celsius
|
12.9° Celsius
|
12.9° Celsius
|
13.0° Celsius
|
13.0° Celsius
|
12.9° Celsius
|
12.9° Celsius
|
13.1° Celsius
|
13.1° Celsius
|
13.2° Celsius
|
| Wind Direction and speed |
W
12
|
W
15
|
W
16
|
WNW
15
|
W
13
|
WNW
14
|
W
12
|
W
11
|
W
9
|
W
12
|
WSW
10
|
SW
11
|
| Humidity | 68% | 73% | 71% | 69% | 70% | 69% | 70% | 70% | 70% | 69% | 71% | 71% |
| Pressure | 1,018 hectopascals | 1,018 hectopascals | 1,018 hectopascals | 1,017 hectopascals | 1,017 hectopascals | 1,017 hectopascals | 1,017 hectopascals | 1,017 hectopascals | 1,017 hectopascals | 1,017 hectopascals | 1,017 hectopascals | 1,017 hectopascals |
| Dew point temperature | 6.9° Celsius | 8.1° Celsius | 7.8° Celsius | 7.3° Celsius | 7.6° Celsius | 7.4° Celsius | 7.7° Celsius | 7.5° Celsius | 7.6° Celsius | 7.6° Celsius | 8.0° Celsius | 8.1° Celsius |
| Sea Temperature | 14.0° Celsius | 14.1° Celsius | 14.2° Celsius | 14.2° Celsius | 14.2° Celsius | 14.2° Celsius | 14.2° Celsius | 14.1° Celsius | 14.1° Celsius | 14.0° Celsius | 14.0° Celsius | 14.0° Celsius |
| Wave Height | 2.4 metres | 2.7 metres | 2.9 metres | 2.5 metres | 2.8 metres | 2.6 metres | 2.5 metres | 2.4 metres | 2.5 metres | 2.5 metres | 2.3 metres | 2.8 metres |
| Wave period | 7.0 seconds | 7.0 seconds | 8.0 seconds | 7.0 seconds | 8.0 seconds | 8.0 seconds | 8.0 seconds | 7.0 seconds | 8.0 seconds | 8.0 seconds | 7.0 seconds | 8.0 seconds |
Monday (18 May 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 |
13.3° Celsius
|
13.3° Celsius
|
13.3° Celsius
|
13.4° Celsius
|
13.5° Celsius
|
12.6° Celsius
|
13.1° Celsius
|
13.3° Celsius
|
13.5° Celsius
|
13.6° Celsius
|
13.7° Celsius
|
13.8° Celsius
|
13.5° Celsius
|
13.4° Celsius
|
13.4° Celsius
|
13.6° Celsius
|
14.1° Celsius
|
14.4° Celsius
|
14.5° Celsius
|
14.6° Celsius
|
14.6° Celsius
|
14.6° Celsius
|
14.6° Celsius
|
14.4° Celsius
|
| Wind Direction and speed |
WSW
14
|
WSW
14
|
SW
15
|
SSW
16
|
SSW
18
|
WSW
15
|
SW
17
|
SW
20
|
SSW
21
|
SSW
20
|
SSW
20
|
SSW
22
|
SSW
22
|
S
23
|
S
24
|
S
26
|
S
26
|
SSW
26
|
S
25
|
SSW
25
|
SSW
25
|
SSW
23
|
SW
23
|
WSW
20
|
| Humidity | 72% | 73% | 73% | 75% | 76% | 81% | 83% | 81% | 78% | 81% | 82% | 84% | 85% | 89% | 91% | 92% | 93% | 94% | 94% | 94% | 95% | 96% | 96% | 94% |
| Pressure | 1,017 hectopascals | 1,016 hectopascals | 1,015 hectopascals | 1,014 hectopascals | 1,013 hectopascals | 1,013 hectopascals | 1,013 hectopascals | 1,013 hectopascals | 1,013 hectopascals | 1,013 hectopascals | 1,013 hectopascals | 1,012 hectopascals | 1,012 hectopascals | 1,011 hectopascals | 1,010 hectopascals | 1,009 hectopascals | 1,009 hectopascals | 1,008 hectopascals | 1,008 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,008 hectopascals | 1,008 hectopascals |
| Dew point temperature | 8.4° Celsius | 8.5° Celsius | 8.5° Celsius | 9.0° Celsius | 9.4° Celsius | 9.4° Celsius | 10.2° Celsius | 10.1° Celsius | 9.8° Celsius | 10.4° Celsius | 10.6° Celsius | 11.1° Celsius | 11.1° Celsius | 11.6° Celsius | 12.0° Celsius | 12.3° Celsius | 13.0° Celsius | 13.4° Celsius | 13.6° Celsius | 13.7° Celsius | 13.8° Celsius | 13.9° Celsius | 13.9° Celsius | 13.4° Celsius |
| Sea Temperature | 14.0° Celsius | 13.9° Celsius | 13.9° Celsius | 13.9° Celsius | 13.9° Celsius | 14.0° Celsius | 14.0° Celsius | 14.0° Celsius | 13.9° Celsius | 13.9° Celsius | 13.9° Celsius | 13.9° Celsius | 13.9° Celsius | 13.9° Celsius | 13.9° Celsius | 13.8° Celsius | 13.8° Celsius | 13.8° Celsius | 13.8° Celsius | 13.8° Celsius | 13.8° Celsius | 13.8° Celsius | 13.8° Celsius | 13.8° Celsius |
| Wave Height | 2.6 metres | 2.7 metres | 2.6 metres | 2.5 metres | 2.6 metres | 2.3 metres | 2.6 metres | 2.4 metres | 2.7 metres | 2.5 metres | 2.6 metres | 2.6 metres | 2.6 metres | 2.8 metres | 2.8 metres | 2.7 metres | 2.9 metres | 3.1 metres | 3.2 metres | 2.9 metres | 3.1 metres | 3.1 metres | 3.1 metres | 3.3 metres |
| Wave period | 7.0 seconds | 8.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 6.0 seconds | 7.0 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 | 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 |
Tuesday (19 May 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature |
14.3° Celsius
|
14.4° Celsius
|
14.4° Celsius
|
14.5° Celsius
|
14.4° Celsius
|
14.5° Celsius
|
14.6° Celsius
|
14.3° Celsius
|
14.6° Celsius
|
14.6° Celsius
|
14.4° Celsius
|
14.4° Celsius
|
| Wind Direction and speed |
SW
22
|
SW
20
|
SW
23
|
SSW
24
|
SSW
25
|
SW
20
|
SW
21
|
WSW
23
|
SW
22
|
SW
22
|
SW
23
|
SW
22
|
| Humidity | 91% | 90% | 89% | 89% | 90% | 89% | 90% | 88% | 88% | 87% | 84% | 84% |
| Pressure | 1,008 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,006 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,008 hectopascals | 1,009 hectopascals | 1,010 hectopascals | 1,010 hectopascals | 1,011 hectopascals |
| Dew point temperature | 12.9° Celsius | 12.8° Celsius | 12.6° Celsius | 12.7° Celsius | 12.7° Celsius | 12.7° Celsius | 12.9° Celsius | 12.3° Celsius | 12.6° Celsius | 12.5° Celsius | 11.7° Celsius | 11.7° Celsius |
| Sea Temperature | 13.8° Celsius | 13.8° Celsius | 13.8° Celsius | 13.8° Celsius | 13.8° Celsius | 13.8° Celsius | 13.8° Celsius | 13.8° Celsius | 13.8° Celsius | 13.7° Celsius | 13.7° Celsius | 13.7° Celsius |
| Wave Height | 2.9 metres | 3.3 metres | 3.0 metres | 3.2 metres | 2.8 metres | 3.1 metres | 3.2 metres | 3.3 metres | 3.0 metres | 3.1 metres | 3.0 metres | 3.3 metres |
| Wave period | 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 | 6.0 seconds | 6.0 seconds | 6.0 seconds |
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