Coast and Sea
Marine Observations weather
Marine observations - Brittany
- Location 47.55, -8.47
Sunday (27 September 2026)
| 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 |
18.9° Celsius
|
18.8° Celsius
|
18.8° Celsius
|
18.9° Celsius
|
19.0° Celsius
|
18.8° Celsius
|
19.1° Celsius
|
18.7° Celsius
|
18.7° Celsius
|
18.5° Celsius
|
18.4° Celsius
|
18.2° Celsius
|
18.3° Celsius
|
18.2° Celsius
|
18.1° Celsius
|
16.2° Celsius
|
17.4° Celsius
|
17.8° Celsius
|
| Wind Direction and speed |
W 24
|
W 23
|
W 21
|
W 19
|
W 18
|
W 16
|
W 14
|
WNW 12
|
WNW 7
|
N 7
|
NNW 6
|
NNE 6
|
NNE 6
|
NNE 6
|
ENE 7
|
N 9
|
NE 7
|
NE 7
|
| Humidity | 80% | 71% | 73% | 75% | 76% | 78% | 75% | 80% | 76% | 77% | 74% | 75% | 74% | 70% | 70% | 84% | 78% | 74% |
| Pressure | 1011 hectopascals | 1013 hectopascals | 1014 hectopascals | 1014 hectopascals | 1015 hectopascals | 1016 hectopascals | 1016 hectopascals | 1016 hectopascals | 1016 hectopascals | 1016 hectopascals | 1016 hectopascals | 1017 hectopascals | 1017 hectopascals | 1018 hectopascals | 1018 hectopascals | 1019 hectopascals | 1019 hectopascals | 1019 hectopascals |
| Dew point temperature | 15.3° Celsius | 13.4° Celsius | 13.9° Celsius | 14.4° Celsius | 14.6° Celsius | 14.8° Celsius | 14.6° Celsius | 15.2° Celsius | 14.3° Celsius | 14.4° Celsius | 13.6° Celsius | 13.7° Celsius | 13.6° Celsius | 12.7° Celsius | 12.6° Celsius | 13.5° Celsius | 13.6° Celsius | 13.0° Celsius |
| Sea Temperature | 20° Celsius | 20° Celsius | 20° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 20° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius |
| Wave Height | 3.0 metres | 2.7 metres | 2.8 metres | 2.9 metres | 2.9 metres | 2.8 metres | 3.0 metres | 2.9 metres | 3.4 metres | 2.5 metres | 2.4 metres | 2.1 metres | 2.2 metres | 2.4 metres | 2.2 metres | 2.9 metres | 2.5 metres | 2.6 metres |
| Wave period | 6 seconds | 5 seconds | 6 seconds | 6 seconds | 6 seconds | 6 seconds | 8 seconds | 7 seconds | 8 seconds | 6 seconds | 7 seconds | 7 seconds | 7 seconds | 7 seconds | 7 seconds | 8 seconds | 7 seconds | 7 seconds |
Monday (28 September 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 |
18.0° Celsius
|
18.1° Celsius
|
18.1° Celsius
|
18.1° Celsius
|
18.0° Celsius
|
18.0° Celsius
|
18.0° Celsius
|
18.0° Celsius
|
18.2° Celsius
|
18.4° Celsius
|
18.3° Celsius
|
18.5° Celsius
|
18.5° Celsius
|
18.4° Celsius
|
18.5° Celsius
|
19.0° Celsius
|
19.0° Celsius
|
18.7° Celsius
|
18.6° Celsius
|
18.8° Celsius
|
18.7° Celsius
|
19.0° Celsius
|
19.4° Celsius
|
19.5° Celsius
|
| Wind Direction and speed |
NE 6
|
ENE 7
|
E 8
|
E 9
|
E 9
|
E 10
|
E 12
|
E 13
|
E 15
|
E 15
|
ESE 16
|
ESE 19
|
ESE 17
|
ESE 17
|
ESE 13
|
SE 14
|
SE 15
|
ESE 16
|
ESE 18
|
ESE 19
|
ESE 21
|
SE 17
|
SE 18
|
SE 19
|
| Humidity | 71% | 70% | 74% | 75% | 75% | 76% | 77% | 77% | 77% | 79% | 84% | 78% | 82% | 82% | 84% | 80% | 81% | 83% | 81% | 87% | 91% | 95% | 92% | 92% |
| Pressure | 1019 hectopascals | 1018 hectopascals | 1018 hectopascals | 1018 hectopascals | 1018 hectopascals | 1018 hectopascals | 1017 hectopascals | 1017 hectopascals | 1018 hectopascals | 1018 hectopascals | 1018 hectopascals | 1017 hectopascals | 1017 hectopascals | 1016 hectopascals | 1015 hectopascals | 1015 hectopascals | 1014 hectopascals | 1014 hectopascals | 1013 hectopascals | 1012 hectopascals | 1012 hectopascals | 1012 hectopascals | 1011 hectopascals | 1010 hectopascals |
| Dew point temperature | 12.7° Celsius | 12.6° Celsius | 13.4° Celsius | 13.6° Celsius | 13.6° Celsius | 13.8° Celsius | 13.9° Celsius | 13.9° Celsius | 14.1° Celsius | 14.6° Celsius | 15.6° Celsius | 14.6° Celsius | 15.4° Celsius | 15.3° Celsius | 15.8° Celsius | 15.5° Celsius | 15.7° Celsius | 15.7° Celsius | 15.3° Celsius | 16.5° Celsius | 17.2° Celsius | 18.1° Celsius | 18.1° Celsius | 18.2° Celsius |
| Sea Temperature | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 19° Celsius | 20° Celsius | 20° Celsius | 20° Celsius | 20° Celsius | 20° Celsius | 20° Celsius | 20° Celsius | 20° Celsius |
| Wave Height | 3.5 metres | 2.9 metres | 3.0 metres | 2.8 metres | 2.1 metres | 2.6 metres | 1.9 metres | 2.2 metres | 2.3 metres | 3.7 metres | 3.2 metres | 2.3 metres | 2.7 metres | 2.2 metres | 2.3 metres | 2.0 metres | 2.4 metres | 2.2 metres | 1.9 metres | 1.5 metres | 1.9 metres | 1.6 metres | 1.5 metres | 1.8 metres |
| Wave period | 9 seconds | 8 seconds | 8 seconds | 9 seconds | 7 seconds | 8 seconds | 8 seconds | 7 seconds | 8 seconds | 9 seconds | 9 seconds | 7 seconds | 8 seconds | 7 seconds | 7 seconds | 7 seconds | 8 seconds | 7 seconds | 7 seconds | 5 seconds | 7 seconds | 5 seconds | 5 seconds | 5 seconds |
Tuesday (29 September 2026)
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | |
|---|---|---|---|---|---|---|
| Temperature |
19.6° Celsius
|
19.6° Celsius
|
19.7° Celsius
|
19.5° Celsius
|
19.9° Celsius
|
19.9° Celsius
|
| Wind Direction and speed |
SE 21
|
SE 23
|
SE 23
|
SSE 23
|
SSE 23
|
SSE 25
|
| Humidity | 92% | 92% | 92% | 95% | 93% | 91% |
| Pressure | 1009 hectopascals | 1008 hectopascals | 1007 hectopascals | 1006 hectopascals | 1004 hectopascals | 1003 hectopascals |
| Dew point temperature | 18.3° Celsius | 18.3° Celsius | 18.3° Celsius | 18.7° Celsius | 18.8° Celsius | 18.4° Celsius |
| Sea Temperature | 20° Celsius | 20° Celsius | 20° Celsius | 20° Celsius | 20° Celsius | 20° Celsius |
| Wave Height | 2.0 metres | 1.9 metres | 2.0 metres | 2.0 metres | 2.3 metres | 2.1 metres |
| Wave period | 6 seconds | 5 seconds | 5 seconds | 6 seconds | 5 seconds | 6 seconds |
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