Coast and sea
Marine observations - Greenwich Light Vessel
- Location 50.417, 0
- Altitude 0 m above mean sea level
Sunday (6 July 2025)
| 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 |
16.5° 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
|
18.0° Celsius
|
18.0° Celsius
|
18.0° Celsius
|
| Wind Direction and speed |
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
|
NW
10
|
NW
11
|
NNW
13
|
| Visibility | 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 | 10 nautical miles | 10 nautical miles | 10 nautical miles |
| Humidity | 99% | 99% | 99% | 97% | 96% | 96% | 96% | 94% | 93% | 92% | 90% | 90% | 88% | 86% | 85% | 85% | 78% |
| Pressure | 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 | 1,007 hectopascals | 1,007 hectopascals | 1,007 hectopascals |
| Dew point temperature | 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 | 15.5° Celsius | 15.4° Celsius | 14.1° Celsius |
| Sea Temperature | 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 | 15.9° Celsius | 15.9° Celsius | 15.9° Celsius |
| Wave Height | 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 | 0.9 metres | 0.8 metres | 0.7 metres |
| Wave period | 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 | 6.0 seconds | 6.0 seconds | 7.0 seconds |
Monday (7 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 |
17.9° Celsius
|
17.6° Celsius
|
17.4° Celsius
|
17.1° Celsius
|
16.5° Celsius
|
16.0° Celsius
|
15.2° Celsius
|
15.9° Celsius
|
15.9° Celsius
|
15.9° Celsius
|
15.5° Celsius
|
16.0° Celsius
|
16.6° Celsius
|
17.0° Celsius
|
18.0° Celsius
|
18.1° Celsius
|
18.4° Celsius
|
18.5° Celsius
|
18.4° Celsius
|
17.5° Celsius
|
17.4° Celsius
|
17.4° Celsius
|
18.1° Celsius
|
18.5° Celsius
|
| Wind Direction and speed |
NNW
14
|
NNW
11
|
NW
13
|
NW
15
|
NNW
17
|
NNW
19
|
NW
16
|
NNW
16
|
NNW
19
|
N
17
|
N
17
|
N
22
|
N
17
|
NW
8
|
N
11
|
WNW
8
|
NW
8
|
NNE
9
|
WSW
7
|
WSW
14
|
WSW
16
|
W
14
|
NW
13
|
NNW
13
|
| Visibility | 10 nautical miles | 10 nautical miles | 10 nautical miles | 5 nautical miles | 10 nautical miles | 2 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 | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 5 nautical miles | 10 nautical miles | 10 nautical miles |
| Humidity | 72% | 74% | 75% | 76% | 77% | 81% | 90% | 85% | 86% | 86% | 87% | 80% | 71% | 72% | 63% | 73% | 69% | 67% | 74% | 82% | 84% | 85% | 75% | 62% |
| Pressure | 1,008 hectopascals | 1,008 hectopascals | 1,007 hectopascals | 1,008 hectopascals | 1,008 hectopascals | 1,008 hectopascals | 1,008 hectopascals | 1,008 hectopascals | 1,009 hectopascals | 1,010 hectopascals | 1,011 hectopascals | 1,012 hectopascals | 1,012 hectopascals | 1,013 hectopascals | 1,014 hectopascals | 1,014 hectopascals | 1,014 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,014 hectopascals | 1,014 hectopascals | 1,015 hectopascals | 1,015 hectopascals |
| Dew point temperature | 12.8° Celsius | 13.0° Celsius | 13.0° Celsius | 12.8° Celsius | 12.5° Celsius | 12.8° Celsius | 13.5° Celsius | 13.4° Celsius | 13.6° Celsius | 13.5° Celsius | 13.4° Celsius | 12.5° Celsius | 11.4° Celsius | 12.0° Celsius | 10.8° Celsius | 13.2° Celsius | 12.5° Celsius | 12.3° Celsius | 13.6° Celsius | 14.3° Celsius | 14.6° Celsius | 14.8° Celsius | 13.5° Celsius | 11.1° Celsius |
| Sea Temperature | 16.0° Celsius | 16.1° Celsius | 16.1° Celsius | 16.1° Celsius | 16.0° Celsius | 16.0° Celsius | 16.0° Celsius | 15.9° Celsius | 15.8° Celsius | 15.8° Celsius | 15.8° Celsius | 15.9° Celsius | 16.0° Celsius | 16.2° Celsius | 16.2° Celsius | 16.3° Celsius | 16.3° Celsius | 16.2° Celsius | 16.4° Celsius | 16.5° Celsius | 16.4° Celsius | 16.3° Celsius | 16.2° Celsius | 16.1° Celsius |
| Wave Height | 0.7 metres | 0.6 metres | 0.6 metres | 0.7 metres | 0.7 metres | 0.7 metres | 0.7 metres | 0.8 metres | 1.0 metres | 1.1 metres | 1.0 metres | 0.9 metres | 0.8 metres | 0.7 metres | 0.6 metres | 0.6 metres | 0.8 metres | 0.6 metres | 0.6 metres | 0.5 metres | 0.6 metres | 0.6 metres | 0.8 metres | 0.8 metres |
| Wave period | 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 | 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 | 7.0 seconds | 7.0 seconds | 7.0 seconds | 6.0 seconds | 6.0 seconds |
Tuesday (8 July 2025)
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | |
|---|---|---|---|---|---|---|---|
| Temperature |
17.7° Celsius
|
17.4° Celsius
|
17.4° Celsius
|
16.8° Celsius
|
16.3° Celsius
|
15.5° Celsius
|
15.1° Celsius
|
| Wind Direction and speed |
NW
9
|
WNW
7
|
WNW
18
|
NW
23
|
NW
21
|
NNW
21
|
NNW
19
|
| Visibility | 10 nautical miles | 10 nautical miles | 5 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles |
| Humidity | 71% | 71% | 72% | 71% | 67% | 69% | 74% |
| Pressure | 1,015 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,015 hectopascals | 1,016 hectopascals | 1,016 hectopascals | 1,017 hectopascals |
| Dew point temperature | 12.4° Celsius | 12.0° Celsius | 12.4° Celsius | 11.5° Celsius | 10.2° Celsius | 9.8° Celsius | 10.5° Celsius |
| Sea Temperature | 16.0° Celsius | 15.9° Celsius | 15.8° Celsius | 15.8° Celsius | 15.8° Celsius | 15.8° Celsius | 15.8° Celsius |
| Wave Height | 0.7 metres | 0.6 metres | 0.6 metres | 0.9 metres | 0.8 metres | 0.7 metres | 0.7 metres |
| Wave period | 7.0 seconds | 7.0 seconds | 6.0 seconds | 5.0 seconds | 6.0 seconds | 6.0 seconds | 5.0 seconds |
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Marine forecasts disclaimer
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