Coast and sea
Marine observations - Greenwich Light Vessel
- Location 50.417, 0
- Altitude 0 m above mean sea level
Monday (13 October 2025)
| 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 | |
|---|---|---|---|---|---|---|
| Temperature |
15.9° Celsius
|
15.9° Celsius
|
15.9° Celsius
|
16.0° Celsius
|
16.0° Celsius
|
16.3° Celsius
|
| Wind Direction and speed |
ENE
21
|
ENE
22
|
ENE
22
|
ENE
20
|
ENE
19
|
E
18
|
| Visibility | 10 nautical miles | 10 nautical miles | 10 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles |
| Humidity | 88% | 87% | 82% | 82% | 80% | 77% |
| Pressure | 1,027 hectopascals | 1,027 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,028 hectopascals |
| Dew point temperature | 14.0° Celsius | 13.7° Celsius | 12.9° Celsius | 13.0° Celsius | 12.6° Celsius | 12.3° Celsius |
| Sea Temperature | 16.4° Celsius | 16.4° Celsius | 16.4° Celsius | 16.4° Celsius | 16.4° Celsius | 16.4° Celsius |
| Wave Height | 0.4 metres | 0.4 metres | 0.4 metres | 0.4 metres | 0.4 metres | 0.4 metres |
| Wave period | 6.0 seconds | 6.0 seconds | 5.0 seconds | 5.0 seconds | 6.0 seconds | 6.0 seconds |
Tuesday (14 October 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 |
16.3° Celsius
|
16.1° Celsius
|
16.3° Celsius
|
16.3° Celsius
|
16.0° Celsius
|
18.4° Celsius
|
16.7° Celsius
|
15.5° Celsius
|
16.3° Celsius
|
14.6° Celsius
|
15.1° Celsius
|
13.7° Celsius
|
14.1° Celsius
|
14.3° Celsius
|
14.5° Celsius
|
14.4° Celsius
|
14.2° Celsius
|
13.8° Celsius
|
13.5° Celsius
|
13.9° Celsius
|
13.9° Celsius
|
14.1° Celsius
|
14.1° Celsius
|
14.2° Celsius
|
| Wind Direction and speed |
ENE
20
|
ENE
17
|
ENE
17
|
ENE
16
|
E
17
|
NE
16
|
NE
19
|
NE
18
|
NE
19
|
NNE
18
|
NNE
18
|
NE
16
|
NE
16
|
NNE
16
|
N
17
|
NNE
13
|
NNE
14
|
NNE
15
|
NE
16
|
NNE
17
|
N
16
|
N
17
|
NNE
14
|
NNE
20
|
| Visibility | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 5 nautical miles | 1 nautical miles | 2 nautical miles | 10 nautical miles | 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 | 2 nautical miles | 10 nautical miles |
| Humidity | 73% | 74% | 75% | 78% | 78% | 82% | 85% | 86% | 89% | 93% | 92% | 89% | 88% | 86% | 86% | 84% | 84% | 87% | 88% | 87% | 88% | 85% | 87% | 85% |
| Pressure | 1,028 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,027 hectopascals | 1,027 hectopascals | 1,027 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals |
| Dew point temperature | 11.5° Celsius | 11.4° Celsius | 11.9° Celsius | 12.5° Celsius | 12.2° Celsius | 15.2° Celsius | 14.2° Celsius | 13.1° Celsius | 14.4° Celsius | 13.4° Celsius | 13.8° Celsius | 11.9° Celsius | 12.1° Celsius | 12.0° Celsius | 12.1° Celsius | 11.7° Celsius | 11.5° Celsius | 11.6° Celsius | 11.6° Celsius | 11.8° Celsius | 11.9° Celsius | 11.7° Celsius | 11.9° Celsius | 11.7° Celsius |
| Sea Temperature | 16.4° Celsius | 16.4° Celsius | 16.4° Celsius | 16.4° Celsius | 16.4° Celsius | 16.4° Celsius | 16.4° Celsius | 16.4° Celsius | 16.4° Celsius | 16.4° Celsius | 16.4° Celsius | 16.4° Celsius | 16.4° Celsius | 16.4° Celsius | 16.5° Celsius | 16.5° Celsius | 16.4° Celsius | 16.4° Celsius | 16.3° Celsius | 16.3° Celsius | 16.3° Celsius | 16.3° Celsius | 16.3° Celsius | 16.3° Celsius |
| Wave Height | 0.5 metres | 0.8 metres | 0.7 metres | 0.7 metres | 0.4 metres | 0.3 metres | 0.3 metres | 0.3 metres | 0.3 metres | 0.3 metres | 0.3 metres | 0.3 metres | 0.4 metres | 0.7 metres | 0.5 metres | 0.4 metres | 0.4 metres | 0.3 metres | 0.3 metres | 0.3 metres | 0.3 metres | 0.3 metres | 0.3 metres | 0.3 metres |
| Wave period | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 6.0 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 | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 7.0 seconds | 7.0 seconds | 6.0 seconds |
Wednesday (15 October 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature |
13.9° Celsius
|
13.9° Celsius
|
13.8° Celsius
|
14.0° Celsius
|
13.5° Celsius
|
13.3° Celsius
|
13.3° Celsius
|
13.1° Celsius
|
13.0° Celsius
|
13.0° Celsius
|
13.3° Celsius
|
13.5° Celsius
|
13.8° Celsius
|
14.1° Celsius
|
14.4° Celsius
|
14.7° Celsius
|
15.0° Celsius
|
14.7° Celsius
|
| Wind Direction and speed |
NNE
18
|
NNE
13
|
NNE
15
|
NNE
16
|
NNE
16
|
NNE
17
|
NNE
20
|
NNE
18
|
NNE
18
|
NNE
18
|
NNE
16
|
NNE
15
|
NNE
15
|
NNE
16
|
NNE
19
|
NNE
18
|
NNE
18
|
NNE
18
|
| Visibility | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles |
| Humidity | 81% | 76% | 80% | 83% | 87% | 89% | 88% | 88% | 90% | 90% | 89% | 88% | 85% | 84% | 84% | 84% | 83% | 85% |
| Pressure | 1,030 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,027 hectopascals | 1,027 hectopascals |
| Dew point temperature | 10.6° Celsius | 9.8° Celsius | 10.4° Celsius | 11.1° Celsius | 11.4° Celsius | 11.5° Celsius | 11.3° Celsius | 11.2° Celsius | 11.4° Celsius | 11.4° Celsius | 11.5° Celsius | 11.6° Celsius | 11.4° Celsius | 11.5° Celsius | 11.7° Celsius | 12.1° Celsius | 12.2° Celsius | 12.2° Celsius |
| Sea Temperature | 16.2° Celsius | 16.2° Celsius | 16.2° Celsius | 16.2° Celsius | 16.2° Celsius | 16.2° Celsius | 16.1° Celsius | 16.1° Celsius | 16.1° Celsius | 16.1° Celsius | 16.2° Celsius | 16.2° Celsius | 16.2° Celsius | 16.2° Celsius | 16.3° Celsius | 16.3° Celsius | 16.3° Celsius | 16.3° Celsius |
| Wave Height | 0.4 metres | 0.5 metres | 0.7 metres | 0.6 metres | 0.7 metres | 0.4 metres | 0.5 metres | 0.4 metres | 0.4 metres | 0.4 metres | 0.4 metres | 0.3 metres | 0.3 metres | 0.4 metres | 0.6 metres | 0.7 metres | 0.6 metres | 0.8 metres |
| Wave period | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 6.0 seconds | 6.0 seconds | 5.0 seconds | 5.0 seconds | 6.0 seconds | 5.0 seconds | 5.0 seconds | 6.0 seconds | 6.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds |
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