Coast and sea
Marine observations - Sandettie
- Location 51.15, 1.78
- Altitude 0 m above mean sea level
Wednesday (17 September 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 |
16.1° Celsius
|
16.0° Celsius
|
15.9° Celsius
|
16.1° Celsius
|
16.3° Celsius
|
16.5° Celsius
|
15.7° Celsius
|
15.5° Celsius
|
17.4° Celsius
|
17.1° Celsius
|
16.4° Celsius
|
17.4° Celsius
|
17.8° Celsius
|
17.7° Celsius
|
17.8° Celsius
|
18.1° Celsius
|
18.1° Celsius
|
18.1° Celsius
|
18.4° Celsius
|
18.5° Celsius
|
18.7° Celsius
|
18.7° Celsius
|
18.6° Celsius
|
18.4° Celsius
|
| Wind Direction and speed |
W
16
|
W
18
|
W
15
|
W
16
|
W
13
|
WSW
12
|
W
11
|
WSW
8
|
SW
23
|
SW
25
|
SW
26
|
SSW
28
|
SW
31
|
SW
33
|
SW
35
|
SW
33
|
SW
31
|
SW
32
|
SW
31
|
SW
31
|
SW
32
|
SW
28
|
WSW
29
|
SW
29
|
| Visibility | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 2 nautical miles | 2 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 5 nautical miles | 5 nautical miles | 2 nautical miles | 5 nautical miles | 5 nautical miles | 1 nautical miles | 2 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 2 nautical miles |
| Humidity | 79% | 78% | 77% | 78% | 78% | 82% | 90% | 93% | 80% | 81% | 87% | 86% | 84% | 84% | 85% | 84% | 86% | 86% | 86% | 86% | 86% | 87% | 89% | 90% |
| Pressure | 1,020 hectopascals | 1,020 hectopascals | 1,020 hectopascals | 1,020 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,018 hectopascals | 1,018 hectopascals | 1,018 hectopascals | 1,018 hectopascals | 1,018 hectopascals | 1,018 hectopascals | 1,017 hectopascals | 1,018 hectopascals | 1,017 hectopascals | 1,017 hectopascals | 1,018 hectopascals | 1,018 hectopascals | 1,018 hectopascals | 1,018 hectopascals | 1,018 hectopascals |
| Dew point temperature | 12.4° Celsius | 12.2° Celsius | 11.9° Celsius | 12.3° Celsius | 12.5° Celsius | 13.4° Celsius | 14.0° Celsius | 14.3° Celsius | 13.9° Celsius | 13.9° Celsius | 14.2° Celsius | 15.0° Celsius | 15.0° Celsius | 15.0° Celsius | 15.2° Celsius | 15.3° Celsius | 15.8° Celsius | 15.8° Celsius | 16.0° Celsius | 16.2° Celsius | 16.3° Celsius | 16.4° Celsius | 16.7° Celsius | 16.8° Celsius |
| Sea Temperature | 17.5° Celsius | 17.5° Celsius | 17.5° Celsius | 17.5° Celsius | 17.5° Celsius | 17.5° Celsius | 17.5° Celsius | 17.5° Celsius | 17.5° Celsius | 17.5° Celsius | 17.5° Celsius | 17.5° Celsius | 17.6° Celsius | 17.6° Celsius | 17.6° Celsius | 17.6° Celsius | 17.7° Celsius | 17.7° Celsius | 17.7° Celsius | 17.7° Celsius | 17.8° Celsius | 17.8° Celsius | 17.8° Celsius | 17.8° Celsius |
| Wave Height | 0.6 metres | 0.7 metres | 0.6 metres | 0.5 metres | 0.5 metres | 0.5 metres | 0.7 metres | 0.5 metres | 0.6 metres | 0.7 metres | 0.9 metres | 1.0 metres | 1.0 metres | 1.3 metres | 1.4 metres | 1.6 metres | 1.4 metres | 1.6 metres | 1.3 metres | 1.5 metres | 1.2 metres | 1.2 metres | 0.9 metres | 0.8 metres |
| Wave period | 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 | 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 | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds |
Thursday (18 September 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 |
18.3° Celsius
|
18.3° Celsius
|
18.4° Celsius
|
18.3° Celsius
|
18.2° Celsius
|
18.2° Celsius
|
18.2° Celsius
|
18.0° Celsius
|
18.2° Celsius
|
18.0° Celsius
|
18.2° Celsius
|
18.2° Celsius
|
18.4° Celsius
|
18.4° Celsius
|
18.3° Celsius
|
18.4° Celsius
|
18.3° Celsius
|
18.3° Celsius
|
18.5° Celsius
|
18.5° Celsius
|
18.6° Celsius
|
18.5° Celsius
|
18.5° Celsius
|
18.3° Celsius
|
| Wind Direction and speed |
SW
30
|
WSW
29
|
WSW
29
|
SW
26
|
SW
24
|
SW
26
|
SW
24
|
SW
21
|
SW
24
|
SW
25
|
SW
26
|
SW
26
|
SW
27
|
SW
27
|
SW
27
|
SW
28
|
SW
17
|
SW
23
|
SW
19
|
SW
16
|
SW
19
|
WSW
15
|
WSW
16
|
SW
11
|
| Visibility | 5 nautical miles | 5 nautical miles | 2 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 2 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 2 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 10 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 10 nautical miles | 10 nautical miles |
| Humidity | 91% | 92% | 91% | 93% | 93% | 92% | 92% | 94% | 93% | 94% | 93% | 94% | 93% | 92% | 93% | 92% | 93% | 93% | 92% | 91% | 90% | 91% | 90% | 91% |
| Pressure | 1,018 hectopascals | 1,018 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,018 hectopascals | 1,018 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,020 hectopascals | 1,020 hectopascals | 1,020 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 | 1,022 hectopascals | 1,022 hectopascals | 1,022 hectopascals |
| Dew point temperature | 16.8° Celsius | 17.0° Celsius | 16.9° Celsius | 17.1° Celsius | 17.1° Celsius | 16.9° Celsius | 16.9° Celsius | 17.1° Celsius | 17.1° Celsius | 17.1° Celsius | 17.0° Celsius | 17.2° Celsius | 17.3° Celsius | 17.1° Celsius | 17.1° Celsius | 17.1° Celsius | 17.2° Celsius | 17.1° Celsius | 17.1° Celsius | 17.0° Celsius | 16.9° Celsius | 17.0° Celsius | 16.8° Celsius | 16.8° Celsius |
| Sea Temperature | 17.8° Celsius | 17.8° Celsius | 17.8° Celsius | 17.8° Celsius | 17.8° Celsius | 17.8° Celsius | 17.8° Celsius | 17.8° Celsius | 17.8° Celsius | 17.9° Celsius | 17.9° Celsius | 17.9° Celsius | 17.9° Celsius | 17.9° Celsius | 17.9° Celsius | 17.9° Celsius | 17.9° Celsius | 17.9° Celsius | 17.9° Celsius | 17.9° Celsius | 17.9° Celsius | 17.9° Celsius | 17.8° Celsius | 17.8° Celsius |
| Wave Height | 0.8 metres | 0.8 metres | 0.8 metres | 0.8 metres | 1.0 metres | 0.7 metres | 1.0 metres | 0.9 metres | 0.9 metres | 0.9 metres | 0.7 metres | 0.6 metres | 0.6 metres | 0.5 metres | 0.6 metres | 0.5 metres | 0.8 metres | 0.6 metres | 0.7 metres | 0.9 metres | 0.5 metres | 0.5 metres | 0.3 metres | 0.3 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 | 5.0 seconds | 5.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 5.0 seconds | 6.0 seconds | 6.0 seconds | 5.0 seconds | 6.0 seconds | 5.0 seconds | 6.0 seconds | 6.0 seconds |
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