Marine observations - Greenwich Light Vessel
- Location 50.417, 0
- Altitude 0 m above mean sea level
Thursday (19 December 2024)
| 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature |
8.1°
|
8.3°
|
8.3°
|
8.1°
|
8.2°
|
8.2°
|
8.1°
|
7.9°
|
8.0°
|
8.2°
|
8.3°
|
| Visibility | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Humidity | 65% | 67% | 65% | 66% | 64% | 64% | 67% | 70% | 71% | 70% | 70% |
| Pressure | 1,009 | 1,010 | 1,011 | 1,012 | 1,014 | 1,015 | 1,017 | 1,019 | 1,020 | 1,020 | 1,021 |
| Dew point temperature | 1.9° | 2.5° | 2.1° | 2.2° | 1.7° | 1.7° | 2.3° | 2.8° | 3.1° | 3.1° | 3.2° |
| Sea Temperature | 11.9° | 11.9° | 11.8° | 11.8° | 11.8° | 11.8° | 11.7° | 11.7° | 11.6° | 11.6° | 11.6° |
| Wave Height | 2.0 | 1.8 | 1.9 | 1.8 | 1.7 | 1.6 | 1.6 | 1.6 | 1.5 | 1.6 | 1.7 |
| Wave period | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 6.0 | 6.0 | 6.0 | 7.0 | 7.0 |
Friday (20 December 2024)
| 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 |
8.3°
|
8.3°
|
8.4°
|
8.3°
|
8.3°
|
8.4°
|
8.7°
|
8.8°
|
9.3°
|
9.7°
|
10.3°
|
10.7°
|
10.3°
|
10.4°
|
11.2°
|
10.7°
|
11.5°
|
11.6°
|
10.5°
|
10.4°
|
11.4°
|
11.6°
|
11.5°
|
11.0°
|
| Visibility | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 5 | 5 | 5 | 2 | 1 | 5 | 2 | 10 | 10 |
| Humidity | 70% | 67% | 67% | 68% | 71% | 70% | 70% | 66% | 65% | 68% | 66% | 67% | 75% | 78% | 74% | 82% | 80% | 80% | 82% | 90% | 92% | 91% | 82% | 83% |
| Pressure | 1,022 | 1,022 | 1,022 | 1,023 | 1,023 | 1,023 | 1,023 | 1,023 | 1,023 | 1,023 | 1,023 | 1,022 | 1,021 | 1,020 | 1,019 | 1,019 | 1,018 | 1,018 | 1,018 | 1,017 | 1,017 | 1,016 | 1,017 | 1,017 |
| Dew point temperature | 3.2° | 2.5° | 2.7° | 2.8° | 3.4° | 3.2° | 3.5° | 2.8° | 3.1° | 4.1° | 4.3° | 4.8° | 6.1° | 6.7° | 6.7° | 7.7° | 8.2° | 8.3° | 7.6° | 8.8° | 10.2° | 10.1° | 8.6° | 8.2° |
| Sea Temperature | 11.6° | 11.6° | 11.6° | 11.6° | 11.6° | 11.6° | 11.5° | 11.5° | 11.5° | 11.5° | 11.5° | 11.6° | 11.7° | 11.7° | 11.8° | 11.8° | 11.9° | 11.9° | 11.8° | 11.8° | 11.8° | 11.8° | 11.8° | 11.8° |
| Wave Height | 2.1 | 2.1 | 1.8 | 1.8 | 1.4 | 1.1 | 1.0 | 0.9 | 1.0 | 0.8 | 0.7 | 0.6 | 0.7 | 0.8 | 0.9 | 1.0 | 1.3 | 1.2 | 1.7 | 1.8 | 1.5 | 1.6 | 1.8 | 1.7 |
| Wave period | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 7.0 | 6.0 | 7.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 7.0 | 6.0 | 6.0 |
Saturday (21 December 2024)
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature |
10.5°
|
10.4°
|
10.3°
|
10.6°
|
10.5°
|
10.6°
|
10.9°
|
11.3°
|
11.8°
|
11.5°
|
11.7°
|
12.0°
|
12.2°
|
| Visibility | 10 | 5 | 5 | 10 | 10 | 5 | 10 | 5 | 5 | 5 | 2 | 2 | 2 |
| Humidity | 85% | 84% | 83% | 78% | 78% | 77% | 77% | 79% | 74% | 79% | 80% | 82% | 86% |
| Pressure | 1,018 | 1,018 | 1,018 | 1,018 | 1,019 | 1,018 | 1,018 | 1,018 | 1,017 | 1,017 | 1,017 | 1,015 | 1,014 |
| Dew point temperature | 8.1° | 7.8° | 7.6° | 7.0° | 6.8° | 6.7° | 7.1° | 7.7° | 7.3° | 8.0° | 8.4° | 9.1° | 9.9° |
| Sea Temperature | 11.8° | 11.8° | 11.8° | 11.8° | 11.8° | 11.8° | 11.8° | 11.8° | 11.7° | 11.7° | 11.7° | 11.8° | 11.9° |
| Wave Height | 1.9 | 1.9 | 1.9 | 1.6 | 1.4 | 1.4 | 1.1 | 1.0 | 1.0 | 0.8 | 0.9 | 1.4 | 1.7 |
| Wave period | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 |
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Marine forecasts disclaimer
In the UK, the Maritime & Coastguard Agency (MCA) is responsible for the provision of Maritime Safety Information (MSI) to ships at sea, which includes the broadcast of warnings and forecasts. The Met Office initiates warnings and prepares routine forecasts for dissemination on behalf of the MCA.
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