Coast and sea
Marine observations - Greenwich Light Vessel
- Location 50.417, 0
- Altitude 0 m above mean sea level
Monday (2 March 2026)
| 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 |
11.2° Celsius
|
11.4° Celsius
|
11.5° Celsius
|
11.7° Celsius
|
12.0° Celsius
|
12.4° Celsius
|
12.4° Celsius
|
12.4° Celsius
|
12.2° Celsius
|
12.3° Celsius
|
12.8° Celsius
|
12.4° Celsius
|
12.0° Celsius
|
| Wind Direction and speed |
S
15
|
SSE
15
|
S
12
|
SSE
10
|
SSE
10
|
SSE
9
|
SSE
11
|
SE
5
|
SE
7
|
S
7
|
SSW
11
|
SSW
9
|
SSW
7
|
| 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 | 5 nautical miles |
| Humidity | 76% | 76% | 78% | 80% | 80% | 80% | 79% | 80% | 81% | 81% | 77% | 81% | 85% |
| Pressure | 1,015 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,016 hectopascals | 1,016 hectopascals | 1,016 hectopascals | 1,016 hectopascals | 1,017 hectopascals | 1,018 hectopascals | 1,018 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,020 hectopascals |
| Dew point temperature | 7.2° Celsius | 7.4° Celsius | 7.8° Celsius | 8.3° Celsius | 8.7° Celsius | 9.0° Celsius | 8.8° Celsius | 9.1° Celsius | 9.0° Celsius | 9.1° Celsius | 8.8° Celsius | 9.3° Celsius | 9.6° Celsius |
| Sea Temperature | 10.2° Celsius | 10.3° Celsius | 10.3° Celsius | 10.4° Celsius | 10.5° Celsius | 10.5° Celsius | 10.4° Celsius | 10.4° Celsius | 10.4° Celsius | 10.4° Celsius | 10.3° Celsius | 10.3° Celsius | 10.3° Celsius |
| Wave Height | 1.6 metres | 1.5 metres | 1.2 metres | 0.9 metres | 0.8 metres | 0.6 metres | 0.6 metres | 0.7 metres | 0.8 metres | 0.9 metres | 1.2 metres | 1.4 metres | 1.3 metres |
| Wave period | 7.0 seconds | 8.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 8.0 seconds | 8.0 seconds | 8.0 seconds | 9.0 seconds | 8.0 seconds | 8.0 seconds | 8.0 seconds | 9.0 seconds |
Tuesday (3 March 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 |
11.8° Celsius
|
11.7° Celsius
|
11.4° Celsius
|
11.5° Celsius
|
11.2° Celsius
|
11.3° Celsius
|
11.2° Celsius
|
11.0° Celsius
|
11.2° Celsius
|
11.5° Celsius
|
11.7° Celsius
|
11.5° Celsius
|
11.4° Celsius
|
11.4° Celsius
|
11.2° Celsius
|
11.2° Celsius
|
11.5° Celsius
|
11.4° Celsius
|
11.2° Celsius
|
10.8° Celsius
|
10.5° Celsius
|
10.3° Celsius
|
10.1° Celsius
|
10.2° Celsius
|
| Wind Direction and speed |
SSW
6
|
W
4
|
SE
3
|
SW
3
|
ENE
1
|
NNE
7
|
NE
8
|
NE
10
|
ENE
10
|
ENE
12
|
E
11
|
ENE
10
|
ENE
10
|
NE
9
|
NE
12
|
ENE
13
|
ENE
13
|
ENE
17
|
ENE
19
|
ENE
19
|
ENE
20
|
ENE
20
|
ENE
18
|
ENE
20
|
| Visibility | 5 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 5 nautical miles | 5 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles |
| Humidity | 87% | 88% | 89% | 89% | 88% | 90% | 91% | 89% | 88% | 85% | 85% | 86% | 86% | 89% | 90% | 89% | 87% | 88% | 89% | 89% | 90% | 91% | 92% | 92% |
| Pressure | 1,020 hectopascals | 1,021 hectopascals | 1,022 hectopascals | 1,022 hectopascals | 1,023 hectopascals | 1,023 hectopascals | 1,024 hectopascals | 1,024 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,026 hectopascals | 1,026 hectopascals | 1,026 hectopascals | 1,026 hectopascals | 1,026 hectopascals | 1,026 hectopascals | 1,026 hectopascals | 1,026 hectopascals | 1,027 hectopascals | 1,027 hectopascals | 1,027 hectopascals | 1,027 hectopascals | 1,026 hectopascals |
| Dew point temperature | 9.7° Celsius | 9.7° Celsius | 9.6° Celsius | 9.8° Celsius | 9.3° Celsius | 9.8° Celsius | 9.8° Celsius | 9.3° Celsius | 9.3° Celsius | 9.0° Celsius | 9.2° Celsius | 9.3° Celsius | 9.2° Celsius | 9.7° Celsius | 9.6° Celsius | 9.5° Celsius | 9.4° Celsius | 9.5° Celsius | 9.5° Celsius | 9.1° Celsius | 8.9° Celsius | 8.9° Celsius | 8.8° Celsius | 8.9° Celsius |
| Sea Temperature | 10.3° Celsius | 10.3° Celsius | 10.2° Celsius | 10.2° Celsius | 10.1° Celsius | 10.1° Celsius | 10.1° Celsius | 10.1° Celsius | 10.1° Celsius | 10.2° Celsius | 10.2° Celsius | 10.3° Celsius | 10.4° Celsius | 10.5° Celsius | 10.6° Celsius | 10.6° Celsius | 10.5° Celsius | 10.4° Celsius | 10.4° Celsius | 10.3° Celsius | 10.3° Celsius | 10.3° Celsius | 10.3° Celsius | 10.3° Celsius |
| Wave Height | 1.1 metres | 0.9 metres | 0.7 metres | 0.5 metres | 0.4 metres | 0.4 metres | 0.5 metres | 0.5 metres | 0.5 metres | 0.7 metres | 0.8 metres | 0.8 metres | 0.7 metres | 0.6 metres | 0.5 metres | 0.4 metres | 0.3 metres | 0.3 metres | 0.3 metres | 0.4 metres | 0.8 metres | 0.7 metres | 0.9 metres | 1.2 metres |
| Wave period | 8.0 seconds | 9.0 seconds | 9.0 seconds | 9.0 seconds | 9.0 seconds | 8.0 seconds | 9.0 seconds | 8.0 seconds | 8.0 seconds | 8.0 seconds | 8.0 seconds | 8.0 seconds | 9.0 seconds | 9.0 seconds | 9.0 seconds | 9.0 seconds | 10.0 seconds | 11.0 seconds | 11.0 seconds | 8.0 seconds | 5.0 seconds | 8.0 seconds | 8.0 seconds | 6.0 seconds |
Wednesday (4 March 2026)
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature |
10.1° Celsius
|
10.2° Celsius
|
10.0° Celsius
|
9.9° Celsius
|
10.0° Celsius
|
10.1° Celsius
|
10.1° Celsius
|
10.2° Celsius
|
10.3° Celsius
|
10.6° Celsius
|
9.8° Celsius
|
| Wind Direction and speed |
ENE
21
|
ENE
21
|
ENE
22
|
ENE
20
|
ENE
19
|
ENE
19
|
ENE
18
|
ENE
17
|
ENE
16
|
ENE
14
|
E
17
|
| Visibility | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 1 nautical miles | 1 nautical miles | 2 nautical miles | < 1 nautical miles |
| Humidity | 91% | 92% | 92% | 93% | 94% | 95% | 95% | 95% | 95% | 94% | 93% |
| Pressure | 1,026 hectopascals | 1,026 hectopascals | 1,026 hectopascals | 1,026 hectopascals | 1,025 hectopascals | 1,026 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals | 1,025 hectopascals |
| Dew point temperature | 8.7° Celsius | 8.9° Celsius | 8.8° Celsius | 8.9° Celsius | 9.1° Celsius | 9.3° Celsius | 9.4° Celsius | 9.5° Celsius | 9.6° Celsius | 9.7° Celsius | 8.8° Celsius |
| Sea Temperature | 10.2° Celsius | 10.2° Celsius | 10.2° Celsius | 10.2° Celsius | 10.1° Celsius | 10.1° Celsius | 10.1° Celsius | 10.1° Celsius | 10.1° Celsius | 10.2° Celsius | 10.2° Celsius |
| Wave Height | 0.8 metres | 0.6 metres | 0.6 metres | 0.5 metres | 0.4 metres | 0.3 metres | 0.3 metres | 0.4 metres | 0.5 metres | 0.5 metres | 0.6 metres |
| Wave period | 7.0 seconds | 7.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 7.0 seconds | 6.0 seconds | 6.0 seconds | 8.0 seconds | 7.0 seconds |
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