Coast and sea
Marine observations - Greenwich Light Vessel
- Location 50.417, 0
- Altitude 0 m above mean sea level
Tuesday (8 April 2025)
| 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 |
9.4° Celsius
|
9.5° Celsius
|
9.5° Celsius
|
9.9° Celsius
|
10.4° Celsius
|
10.4° Celsius
|
10.6° Celsius
|
10.7° Celsius
|
10.7° Celsius
|
11.0° Celsius
|
11.0° Celsius
|
10.9° Celsius
|
10.8° Celsius
|
10.3° Celsius
|
9.8° Celsius
|
| Visibility | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles |
| Humidity | 87% | 87% | 87% | 79% | 77% | 73% | 69% | 69% | 68% | 66% | 65% | 72% | 74% | 70% | 76% |
| Pressure | 1,027 hectopascals | 1,027 hectopascals | 1,026 hectopascals | 1,026 hectopascals | 1,026 hectopascals | 1,026 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,026 hectopascals |
| Dew point temperature | 7.4° Celsius | 7.5° Celsius | 7.4° Celsius | 6.5° Celsius | 6.6° Celsius | 5.8° Celsius | 5.2° Celsius | 5.2° Celsius | 5.1° Celsius | 4.9° Celsius | 4.7° Celsius | 6.1° Celsius | 6.3° Celsius | 5.0° Celsius | 5.8° Celsius |
| Sea Temperature | 9.7° Celsius | 9.8° Celsius | 9.9° Celsius | 10.0° Celsius | 10.2° Celsius | 10.2° Celsius | 10.2° Celsius | 10.1° Celsius | 10.1° Celsius | 10.1° Celsius | 10.0° Celsius | 10.0° Celsius | 9.9° Celsius | 10.0° Celsius | 9.8° Celsius |
| Wave Height | 0.4 metres | 0.3 metres | 0.3 metres | 0.3 metres | 0.3 metres | 0.2 metres | 0.3 metres | 0.3 metres | 0.4 metres | 0.4 metres | 0.5 metres | 0.8 metres | 0.4 metres | 0.5 metres | 0.4 metres |
| Wave period | 9.0 seconds | 8.0 seconds | 10.0 seconds | 11.0 seconds | 10.0 seconds | 12.0 seconds | 9.0 seconds | 9.0 seconds | 6.0 seconds | 8.0 seconds | 7.0 seconds | 6.0 seconds | 8.0 seconds | 7.0 seconds | 7.0 seconds |
Wednesday (9 April 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 |
9.6° Celsius
|
9.4° Celsius
|
9.2° Celsius
|
9.0° Celsius
|
8.9° Celsius
|
8.5° Celsius
|
8.3° Celsius
|
7.9° Celsius
|
7.6° Celsius
|
7.8° Celsius
|
8.1° Celsius
|
8.3° Celsius
|
8.3° Celsius
|
8.8° Celsius
|
9.1° Celsius
|
9.2° Celsius
|
9.2° Celsius
|
9.3° Celsius
|
9.1° Celsius
|
8.7° Celsius
|
8.3° Celsius
|
8.2° Celsius
|
8.1° Celsius
|
8.2° Celsius
|
| Visibility | 5 nautical miles | 10 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 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 | 5 nautical miles | 5 nautical miles | 10 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles |
| Humidity | 80% | 78% | 80% | 83% | 83% | 84% | 85% | 85% | 84% | 79% | 76% | 74% | 75% | 72% | 73% | 73% | 71% | 73% | 73% | 76% | 78% | 81% | 81% | 80% |
| Pressure | 1,025 hectopascals | 1,026 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,026 hectopascals | 1,026 hectopascals | 1,027 hectopascals | 1,027 hectopascals | 1,027 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,029 hectopascals | 1,029 hectopascals | 1,030 hectopascals | 1,030 hectopascals | 1,030 hectopascals | 1,030 hectopascals |
| Dew point temperature | 6.3° Celsius | 5.8° Celsius | 5.9° Celsius | 6.2° Celsius | 6.2° Celsius | 6.0° Celsius | 6.0° Celsius | 5.5° Celsius | 5.0° Celsius | 4.3° Celsius | 4.1° Celsius | 4.0° Celsius | 4.1° Celsius | 4.1° Celsius | 4.6° Celsius | 4.7° Celsius | 4.3° Celsius | 4.8° Celsius | 4.6° Celsius | 4.8° Celsius | 4.6° Celsius | 5.1° Celsius | 5.0° Celsius | 5.0° Celsius |
| Sea Temperature | 9.8° Celsius | 9.8° Celsius | 9.7° Celsius | 9.7° Celsius | 9.7° Celsius | 9.6° Celsius | 9.6° Celsius | 9.6° Celsius | 9.6° Celsius | 9.7° Celsius | 9.7° Celsius | 9.7° Celsius | 9.8° Celsius | 9.8° Celsius | 9.8° Celsius | 9.8° Celsius | 9.8° Celsius | 9.8° Celsius | 9.8° Celsius | 9.7° Celsius | 9.7° Celsius | 9.7° Celsius | 9.6° Celsius | 9.6° Celsius |
| Wave Height | 0.4 metres | 0.4 metres | 0.4 metres | 0.4 metres | 0.5 metres | 0.9 metres | 0.7 metres | 0.7 metres | 0.9 metres | 0.8 metres | 0.7 metres | 0.7 metres | 0.7 metres | 0.6 metres | 0.5 metres | 0.6 metres | 0.6 metres | 0.7 metres | 1.2 metres | 1.1 metres | 1.1 metres | 1.2 metres | 1.0 metres | 1.0 metres |
| Wave period | 7.0 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 | 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 | 6.0 seconds | 6.0 seconds | 6.0 seconds | 7.0 seconds | 6.0 seconds |
Thursday (10 April 2025)
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | |
|---|---|---|---|---|---|---|---|---|
| Temperature |
8.2° Celsius
|
8.0° Celsius
|
8.0° Celsius
|
7.7° Celsius
|
7.7° Celsius
|
7.8° Celsius
|
7.8° Celsius
|
8.0° Celsius
|
| 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 |
| Humidity | 81% | 80% | 80% | 79% | 79% | 77% | 78% | 78% |
| Pressure | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,032 hectopascals | 1,031 hectopascals |
| Dew point temperature | 5.1° Celsius | 4.8° Celsius | 4.7° Celsius | 4.2° Celsius | 4.2° Celsius | 4.1° Celsius | 4.2° Celsius | 4.4° Celsius |
| Sea Temperature | 9.6° Celsius | 9.6° Celsius | 9.6° Celsius | 9.5° Celsius | 9.5° Celsius | 9.5° Celsius | 9.5° Celsius | 9.5° Celsius |
| Wave Height | 0.9 metres | 0.7 metres | 0.7 metres | 0.6 metres | 0.5 metres | 0.5 metres | 0.8 metres | 0.5 metres |
| Wave period | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 5.0 seconds | 6.0 seconds |
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