Coast and sea
Marine observations - Brittany
- Location 47.55, -8.47
- Altitude 0 m above mean sea level
Friday (29 August 2025)
| 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 |
18.5° Celsius
|
18.4° Celsius
|
18.7° Celsius
|
18.9° Celsius
|
18.4° Celsius
|
18.9° Celsius
|
18.6° Celsius
|
18.9° Celsius
|
18.9° Celsius
|
18.9° Celsius
|
18.8° Celsius
|
18.8° Celsius
|
18.8° Celsius
|
18.9° Celsius
|
19.0° Celsius
|
19.1° Celsius
|
19.1° Celsius
|
19.0° Celsius
|
18.9° Celsius
|
19.1° Celsius
|
19.2° Celsius
|
19.1° Celsius
|
| Wind Direction and speed |
WNW
27
|
NW
26
|
NW
25
|
WNW
25
|
WNW
24
|
NW
26
|
WNW
22
|
WNW
25
|
WNW
24
|
WNW
22
|
WNW
22
|
WNW
21
|
WNW
19
|
WNW
19
|
WNW
19
|
WNW
19
|
WNW
17
|
W
17
|
WNW
14
|
W
14
|
WSW
17
|
WSW
17
|
| Humidity | 84% | 84% | 77% | 76% | 79% | 74% | 77% | 74% | 75% | 74% | 75% | 76% | 76% | 73% | 74% | 75% | 77% | 78% | 82% | 82% | 81% | 81% |
| Pressure | 1,004 hectopascals | 1,004 hectopascals | 1,004 hectopascals | 1,004 hectopascals | 1,005 hectopascals | 1,005 hectopascals | 1,005 hectopascals | 1,006 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,008 hectopascals | 1,008 hectopascals | 1,009 hectopascals | 1,008 hectopascals | 1,008 hectopascals | 1,008 hectopascals | 1,009 hectopascals | 1,009 hectopascals | 1,009 hectopascals | 1,009 hectopascals | 1,009 hectopascals | 1,009 hectopascals |
| Dew point temperature | 15.8° Celsius | 15.6° Celsius | 14.6° Celsius | 14.6° Celsius | 14.6° Celsius | 14.2° Celsius | 14.5° Celsius | 14.2° Celsius | 14.3° Celsius | 14.2° Celsius | 14.2° Celsius | 14.5° Celsius | 14.4° Celsius | 13.9° Celsius | 14.3° Celsius | 14.5° Celsius | 15.0° Celsius | 15.1° Celsius | 15.7° Celsius | 16.0° Celsius | 15.9° Celsius | 15.8° Celsius |
| Sea Temperature | 19.4° Celsius | 19.3° Celsius | 19.2° Celsius | 19.0° Celsius | 18.9° Celsius | 18.8° Celsius | 19.0° Celsius | 19.1° Celsius | 19.0° Celsius | 18.9° Celsius | 18.9° Celsius | 18.9° Celsius | 19.0° Celsius | 19.1° Celsius | 19.2° Celsius | 19.2° Celsius | 19.2° Celsius | 19.2° Celsius | 19.1° Celsius | 19.1° Celsius | 19.2° Celsius | 19.2° Celsius |
| Wave Height | 4.4 metres | 4.8 metres | 4.6 metres | 4.6 metres | 4.4 metres | 5.0 metres | 4.5 metres | 4.1 metres | 4.2 metres | 4.7 metres | 3.7 metres | 3.8 metres | 3.7 metres | 4.4 metres | 3.7 metres | 3.9 metres | 3.5 metres | 3.5 metres | 3.4 metres | 3.2 metres | 3.2 metres | 3.2 metres |
| Wave period | 7.0 seconds | 8.0 seconds | 8.0 seconds | 7.0 seconds | 7.0 seconds | 8.0 seconds | 7.0 seconds | 7.0 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 | 7.0 seconds | 7.0 seconds | 7.0 seconds |
Saturday (30 August 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 |
19.3° Celsius
|
19.1° Celsius
|
19.3° Celsius
|
19.5° Celsius
|
18.9° Celsius
|
19.2° Celsius
|
19.5° Celsius
|
19.8° Celsius
|
19.2° Celsius
|
19.0° Celsius
|
19.3° Celsius
|
19.8° Celsius
|
20.0° Celsius
|
19.0° Celsius
|
19.3° Celsius
|
19.3° Celsius
|
18.8° Celsius
|
18.9° Celsius
|
18.6° Celsius
|
18.3° Celsius
|
18.3° Celsius
|
18.5° Celsius
|
18.3° Celsius
|
18.2° Celsius
|
| Wind Direction and speed |
WSW
18
|
SW
16
|
SW
15
|
SW
15
|
SW
18
|
SW
19
|
SW
20
|
SSW
23
|
SSW
26
|
S
25
|
S
28
|
SW
25
|
SW
25
|
W
25
|
W
25
|
W
23
|
WNW
25
|
W
25
|
W
23
|
W
24
|
W
22
|
WSW
21
|
W
21
|
SW
21
|
| Humidity | 83% | 84% | 88% | 89% | 93% | 95% | 90% | 88% | 91% | 93% | 95% | 94% | 87% | 90% | 76% | 76% | 74% | 69% | 67% | 74% | 64% | 70% | 67% | 71% |
| Pressure | 1,009 hectopascals | 1,008 hectopascals | 1,008 hectopascals | 1,007 hectopascals | 1,006 hectopascals | 1,005 hectopascals | 1,005 hectopascals | 1,004 hectopascals | 1,004 hectopascals | 1,003 hectopascals | 1,003 hectopascals | 1,003 hectopascals | 1,003 hectopascals | 1,004 hectopascals | 1,005 hectopascals | 1,005 hectopascals | 1,006 hectopascals | 1,006 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,007 hectopascals |
| Dew point temperature | 16.4° Celsius | 16.3° Celsius | 17.2° Celsius | 17.6° Celsius | 17.8° Celsius | 18.4° Celsius | 17.9° Celsius | 17.8° Celsius | 17.7° Celsius | 17.8° Celsius | 18.5° Celsius | 18.8° Celsius | 17.8° Celsius | 17.4° Celsius | 15.0° Celsius | 14.9° Celsius | 14.1° Celsius | 13.0° Celsius | 12.3° Celsius | 13.6° Celsius | 11.4° Celsius | 13.0° Celsius | 12.0° Celsius | 12.8° Celsius |
| Sea Temperature | 19.3° Celsius | 19.2° Celsius | 19.1° Celsius | 19.1° Celsius | 19.1° Celsius | 19.1° Celsius | 19.1° Celsius | 19.1° Celsius | 19.1° Celsius | 19.1° Celsius | 19.1° Celsius | 19.1° Celsius | 19.0° Celsius | 18.9° Celsius | 18.9° Celsius | 18.9° Celsius | 18.8° Celsius | 18.6° Celsius | 18.7° Celsius | 18.6° Celsius | 18.6° Celsius | 18.5° Celsius | 18.6° Celsius | 18.6° Celsius |
| Wave Height | 2.9 metres | 2.9 metres | 2.6 metres | 2.7 metres | 2.9 metres | 2.8 metres | 2.8 metres | 2.7 metres | 2.8 metres | 3.1 metres | 3.1 metres | 2.9 metres | 2.9 metres | 3.3 metres | 3.3 metres | 3.4 metres | 3.3 metres | 3.0 metres | 3.5 metres | 3.6 metres | 4.1 metres | 3.9 metres | 4.3 metres | 4.4 metres |
| Wave period | 7.0 seconds | 7.0 seconds | 6.0 seconds | 7.0 seconds | 6.0 seconds | 7.0 seconds | 6.0 seconds | 6.0 seconds | 5.0 seconds | 6.0 seconds | 6.0 seconds | 5.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 8.0 seconds | 7.0 seconds |
Sunday (31 August 2025)
| 00:00 | 01:00 | |
|---|---|---|
| Temperature |
17.6° Celsius
|
16.2° Celsius
|
| Wind Direction and speed |
WSW
22
|
WSW
31
|
| Humidity | 75% | 84% |
| Pressure | 1,007 hectopascals | 1,007 hectopascals |
| Dew point temperature | 13.2° Celsius | 13.4° Celsius |
| Sea Temperature | 18.5° Celsius | 18.4° Celsius |
| Wave Height | 4.4 metres | 4.5 metres |
| Wave period | 7.0 seconds | 7.0 seconds |
Latest observations by area
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