Coast and sea
Marine observations - Greenwich Light Vessel
- Location 50.417, 0
- Altitude 0 m above mean sea level
Wednesday (31 December 2025)
| 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 |
6.7° Celsius
|
6.5° Celsius
|
6.4° Celsius
|
6.2° Celsius
|
6.0° Celsius
|
6.2° Celsius
|
6.1° Celsius
|
6.1° Celsius
|
6.1° Celsius
|
6.4° Celsius
|
6.4° Celsius
|
6.5° Celsius
|
6.6° Celsius
|
6.2° Celsius
|
6.0° Celsius
|
6.0° Celsius
|
6.0° Celsius
|
6.0° Celsius
|
6.0° Celsius
|
6.0° Celsius
|
6.0° Celsius
|
6.2° Celsius
|
| Wind Direction and speed |
NNE
18
|
NNE
16
|
NNE
16
|
NNE
16
|
NNE
15
|
NNE
13
|
NNE
13
|
NNE
14
|
NNE
10
|
NNE
10
|
N
7
|
N
3
|
NW
6
|
NW
7
|
WNW
8
|
WNW
11
|
W
12
|
WNW
12
|
WNW
13
|
WNW
15
|
W
13
|
W
19
|
| 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 | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles |
| Humidity | 75% | 77% | 77% | 79% | 79% | 79% | 76% | 76% | 74% | 73% | 71% | 71% | 71% | 70% | 72% | 72% | 73% | 72% | 67% | 74% | 71% | 70% |
| Pressure | 1,032 hectopascals | 1,032 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,031 hectopascals | 1,030 hectopascals | 1,030 hectopascals | 1,029 hectopascals | 1,028 hectopascals | 1,028 hectopascals | 1,027 hectopascals | 1,027 hectopascals | 1,026 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,024 hectopascals | 1,023 hectopascals | 1,022 hectopascals |
| Dew point temperature | 2.6° Celsius | 2.8° Celsius | 2.6° Celsius | 2.8° Celsius | 2.7° Celsius | 2.9° Celsius | 2.2° Celsius | 2.1° Celsius | 1.9° Celsius | 1.9° Celsius | 1.6° Celsius | 1.6° Celsius | 1.8° Celsius | 1.2° Celsius | 1.4° Celsius | 1.3° Celsius | 1.5° Celsius | 1.3° Celsius | 0.4° Celsius | 1.8° Celsius | 1.2° Celsius | 1.2° Celsius |
| Sea Temperature | 10.2° Celsius | 10.2° Celsius | 10.2° Celsius | 10.2° Celsius | 10.1° Celsius | 10.2° Celsius | 10.1° Celsius | 10.2° Celsius | 10.3° Celsius | 10.3° Celsius | 10.4° Celsius | 10.6° Celsius | 10.6° Celsius | 10.7° Celsius | 10.6° Celsius | 10.5° Celsius | 10.4° Celsius | 10.3° Celsius | 10.2° Celsius | 10.2° Celsius | 10.2° Celsius | 10.2° Celsius |
| Wave Height | 0.4 metres | 0.5 metres | 0.7 metres | 0.6 metres | 0.6 metres | 0.6 metres | 0.4 metres | 0.3 metres | 0.3 metres | 0.3 metres | 0.2 metres | 0.2 metres | 0.2 metres | 0.3 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 |
| Wave period | 6.0 seconds | 6.0 seconds | 5.0 seconds | 5.0 seconds | 6.0 seconds | 5.0 seconds | 6.0 seconds | 7.0 seconds | 6.0 seconds | 7.0 seconds | 8.0 seconds | 9.0 seconds | 8.0 seconds | 6.0 seconds | 9.0 seconds | 10.0 seconds | 9.0 seconds | 10.0 seconds | 9.0 seconds | 8.0 seconds | 6.0 seconds | 5.0 seconds |
Thursday (1 January 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 |
6.3° Celsius
|
6.8° Celsius
|
6.9° Celsius
|
6.9° Celsius
|
6.4° Celsius
|
6.4° Celsius
|
6.8° Celsius
|
7.1° Celsius
|
7.6° Celsius
|
7.7° Celsius
|
7.6° Celsius
|
7.6° Celsius
|
7.7° Celsius
|
8.0° Celsius
|
8.3° Celsius
|
8.3° Celsius
|
8.6° Celsius
|
8.8° Celsius
|
8.8° Celsius
|
8.6° Celsius
|
8.6° Celsius
|
8.3° Celsius
|
7.9° Celsius
|
7.7° Celsius
|
| Wind Direction and speed |
W
20
|
W
23
|
W
17
|
WNW
23
|
WNW
24
|
WNW
19
|
W
22
|
W
20
|
W
26
|
W
28
|
WNW
26
|
W
25
|
WNW
20
|
WNW
23
|
WNW
20
|
WNW
24
|
WNW
24
|
WNW
23
|
WNW
26
|
WNW
24
|
WNW
25
|
WNW
26
|
WNW
23
|
WNW
22
|
| 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 | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles |
| Humidity | 69% | 69% | 68% | 71% | 65% | 67% | 61% | 72% | 73% | 67% | 72% | 71% | 77% | 76% | 76% | 74% | 72% | 71% | 66% | 67% | 65% | 67% | 68% | 70% |
| Pressure | 1,021 hectopascals | 1,020 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,018 hectopascals | 1,016 hectopascals | 1,015 hectopascals | 1,014 hectopascals | 1,013 hectopascals | 1,012 hectopascals | 1,012 hectopascals | 1,011 hectopascals | 1,011 hectopascals | 1,010 hectopascals | 1,010 hectopascals | 1,009 hectopascals | 1,009 hectopascals | 1,009 hectopascals | 1,008 hectopascals | 1,008 hectopascals | 1,008 hectopascals | 1,008 hectopascals | 1,008 hectopascals | 1,008 hectopascals |
| Dew point temperature | 1.1° Celsius | 1.6° Celsius | 1.5° Celsius | 2.0° Celsius | 0.2° Celsius | 0.8° Celsius | -0.2° Celsius | 2.4° Celsius | 3.1° Celsius | 2.0° Celsius | 2.8° Celsius | 2.7° Celsius | 3.9° Celsius | 4.1° Celsius | 4.4° Celsius | 3.9° Celsius | 3.8° Celsius | 3.8° Celsius | 2.7° Celsius | 2.8° Celsius | 2.5° Celsius | 2.5° Celsius | 2.3° Celsius | 2.5° Celsius |
| Sea Temperature | 10.2° Celsius | 10.1° Celsius | 10.2° Celsius | 10.2° Celsius | 10.2° Celsius | 10.2° Celsius | 10.2° Celsius | 10.1° Celsius | 10.1° Celsius | 10.1° Celsius | 10.1° Celsius | 10.2° Celsius | 10.2° Celsius | 10.3° Celsius | 10.3° Celsius | 10.4° Celsius | 10.4° Celsius | 10.3° Celsius | 10.3° Celsius | 10.3° Celsius | 10.3° Celsius | 10.2° Celsius | 10.2° Celsius | 10.2° Celsius |
| Wave Height | 0.5 metres | 0.6 metres | 0.8 metres | 0.5 metres | 0.5 metres | 0.4 metres | 0.4 metres | 0.4 metres | 0.5 metres | 0.6 metres | 0.8 metres | 1.3 metres | 1.3 metres | 1.4 metres | 1.5 metres | 1.6 metres | 1.2 metres | 1.2 metres | 1.2 metres | 1.1 metres | 1.0 metres | 1.0 metres | 1.2 metres | 1.3 metres |
| Wave period | 4.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 5.0 seconds | 6.0 seconds | 5.0 seconds | 6.0 seconds | 5.0 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 |
Friday (2 January 2026)
| 00:00 | |
|---|---|
| Temperature |
7.7° Celsius
|
| Wind Direction and speed |
WNW
20
|
| Visibility | 10 nautical miles |
| Humidity | 70% |
| Pressure | 1,007 hectopascals |
| Dew point temperature | 2.6° Celsius |
| Sea Temperature | 10.2° Celsius |
| Wave Height | 1.3 metres |
| Wave period | 6.0 seconds |
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Marine forecasts disclaimer
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