Coast and sea
Marine observations - Greenwich Light Vessel
- Location 50.417, 0
- Altitude 0 m above mean sea level
Friday (4 July 2025)
| 21:00 | 22:00 | 23:00 | |
|---|---|---|---|
| Temperature |
16.7° Celsius
|
16.7° Celsius
|
16.6° Celsius
|
| Wind Direction and speed |
WSW
16
|
WSW
16
|
WSW
16
|
| Visibility | 10 nautical miles | 5 nautical miles | 5 nautical miles |
| Humidity | 84% | 89% | 90% |
| Pressure | 1,024 hectopascals | 1,023 hectopascals | 1,023 hectopascals |
| Dew point temperature | 13.9° Celsius | 14.9° Celsius | 15.0° Celsius |
| Sea Temperature | 16.5° Celsius | 16.4° Celsius | 16.3° Celsius |
| Wave Height | 0.4 metres | 0.5 metres | 0.5 metres |
| Wave period | 5.0 seconds | 5.0 seconds | 5.0 seconds |
Saturday (5 July 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 |
16.8° Celsius
|
17.0° Celsius
|
17.1° Celsius
|
17.1° Celsius
|
16.7° Celsius
|
16.6° Celsius
|
16.6° Celsius
|
16.7° Celsius
|
16.9° Celsius
|
17.0° Celsius
|
17.1° Celsius
|
17.1° Celsius
|
17.2° Celsius
|
17.3° Celsius
|
17.4° Celsius
|
17.3° Celsius
|
16.9° Celsius
|
16.9° Celsius
|
17.1° Celsius
|
16.9° Celsius
|
17.0° Celsius
|
17.1° Celsius
|
17.1° Celsius
|
16.9° Celsius
|
| Wind Direction and speed |
WSW
17
|
WSW
17
|
WSW
18
|
WSW
19
|
WSW
20
|
W
20
|
WSW
19
|
WSW
17
|
WSW
18
|
WSW
20
|
SW
15
|
SW
17
|
SW
22
|
SW
23
|
WSW
23
|
WSW
25
|
SW
25
|
SW
26
|
SW
27
|
SW
24
|
SW
23
|
SW
24
|
SW
22
|
SW
25
|
| Visibility | 5 nautical miles | 10 nautical miles | 10 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 | 5 nautical miles | 2 nautical miles | 1 nautical miles | 5 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles | 2 nautical miles |
| Humidity | 89% | 85% | 83% | 84% | 88% | 89% | 89% | 90% | 89% | 89% | 90% | 90% | 91% | 91% | 91% | 91% | 94% | 94% | 95% | 97% | 97% | 97% | 97% | 97% |
| Pressure | 1,023 hectopascals | 1,022 hectopascals | 1,021 hectopascals | 1,020 hectopascals | 1,020 hectopascals | 1,020 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,019 hectopascals | 1,018 hectopascals | 1,018 hectopascals | 1,017 hectopascals | 1,017 hectopascals | 1,016 hectopascals | 1,015 hectopascals | 1,014 hectopascals | 1,014 hectopascals | 1,014 hectopascals | 1,013 hectopascals | 1,013 hectopascals | 1,012 hectopascals |
| Dew point temperature | 14.9° Celsius | 14.5° Celsius | 14.1° Celsius | 14.4° Celsius | 14.7° Celsius | 14.8° Celsius | 14.8° Celsius | 15.1° Celsius | 15.1° Celsius | 15.2° Celsius | 15.5° Celsius | 15.5° Celsius | 15.7° Celsius | 15.8° Celsius | 15.9° Celsius | 15.8° Celsius | 15.9° Celsius | 15.9° Celsius | 16.3° Celsius | 16.4° Celsius | 16.5° Celsius | 16.6° Celsius | 16.6° Celsius | 16.5° Celsius |
| Sea Temperature | 16.2° Celsius | 16.1° Celsius | 16.1° Celsius | 16.1° Celsius | 16.1° Celsius | 15.9° Celsius | 15.8° Celsius | 15.9° Celsius | 15.9° Celsius | 15.9° Celsius | 16.0° Celsius | 16.1° Celsius | 16.1° Celsius | 16.1° Celsius | 16.1° Celsius | 16.1° Celsius | 16.2° Celsius | 16.1° Celsius | 15.9° Celsius | 15.9° Celsius | 15.9° Celsius | 15.8° Celsius | 15.8° Celsius | 15.9° Celsius |
| Wave Height | 0.3 metres | 0.3 metres | 0.3 metres | 0.3 metres | 0.3 metres | 0.3 metres | 0.4 metres | 0.4 metres | 0.4 metres | 0.4 metres | 0.6 metres | 0.7 metres | 0.6 metres | 0.6 metres | 0.7 metres | 0.7 metres | 0.8 metres | 0.7 metres | 0.8 metres | 1.1 metres | 1.2 metres | 1.0 metres | 1.1 metres | 1.1 metres |
| Wave period | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 6.0 seconds | 5.0 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 | 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 |
Sunday (6 July 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature |
16.7° Celsius
|
16.7° Celsius
|
16.7° Celsius
|
16.7° Celsius
|
16.6° Celsius
|
16.6° Celsius
|
16.4° Celsius
|
16.5° Celsius
|
16.6° Celsius
|
16.3° Celsius
|
16.5° Celsius
|
16.6° Celsius
|
16.6° Celsius
|
16.8° Celsius
|
16.9° Celsius
|
17.0° Celsius
|
17.0° Celsius
|
17.3° Celsius
|
17.4° Celsius
|
17.7° Celsius
|
17.8° Celsius
|
| Wind Direction and speed |
WSW
25
|
WSW
22
|
SW
18
|
SW
16
|
SW
15
|
WSW
10
|
W
12
|
SE
11
|
WSW
14
|
WSW
11
|
WSW
12
|
W
14
|
WSW
13
|
WSW
15
|
WSW
16
|
WSW
16
|
WSW
18
|
WSW
20
|
W
14
|
W
12
|
WNW
12
|
| Visibility | < 1 nautical miles | 2 nautical miles | < 1 nautical miles | < 1 nautical miles | < 1 nautical miles | < 1 nautical miles | 2 nautical miles | 5 nautical miles | 1 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 | 10 nautical miles |
| Humidity | 98% | 99% | 98% | 99% | 99% | 99% | 99% | 99% | 99% | 99% | 97% | 96% | 96% | 96% | 94% | 93% | 92% | 90% | 90% | 88% | 86% |
| Pressure | 1,012 hectopascals | 1,011 hectopascals | 1,010 hectopascals | 1,009 hectopascals | 1,008 hectopascals | 1,008 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,006 hectopascals | 1,006 hectopascals | 1,006 hectopascals | 1,006 hectopascals | 1,006 hectopascals | 1,007 hectopascals |
| Dew point temperature | 16.4° Celsius | 16.5° Celsius | 16.4° Celsius | 16.5° Celsius | 16.4° Celsius | 16.4° Celsius | 16.3° Celsius | 16.4° Celsius | 16.4° Celsius | 16.1° Celsius | 16.0° Celsius | 16.0° Celsius | 16.0° Celsius | 16.1° Celsius | 16.0° Celsius | 15.8° Celsius | 15.7° Celsius | 15.6° Celsius | 15.7° Celsius | 15.7° Celsius | 15.5° Celsius |
| Sea Temperature | 16.0° Celsius | 16.0° Celsius | 16.0° Celsius | 16.0° Celsius | 16.0° Celsius | 15.9° Celsius | 15.8° Celsius | 15.6° Celsius | 15.6° Celsius | 15.7° Celsius | 15.8° Celsius | 15.9° Celsius | 16.0° Celsius | 16.2° Celsius | 16.3° Celsius | 16.3° Celsius | 16.4° Celsius | 16.3° Celsius | 16.1° Celsius | 16.0° Celsius | 15.9° Celsius |
| Wave Height | 1.1 metres | 1.0 metres | 0.9 metres | 1.0 metres | 0.9 metres | 0.8 metres | 0.7 metres | 0.8 metres | 0.8 metres | 0.8 metres | 0.9 metres | 0.6 metres | 0.6 metres | 0.6 metres | 0.4 metres | 0.4 metres | 0.5 metres | 0.6 metres | 0.7 metres | 0.7 metres | 0.8 metres |
| Wave period | 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 | 6.0 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 |
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