Coast and sea
Marine observations - Greenwich Light Vessel
- Location 50.417, 0
- Altitude 0 m above mean sea level
Friday (28 November 2025)
| 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 |
13.6° Celsius
|
13.6° Celsius
|
13.4° Celsius
|
13.4° Celsius
|
13.6° Celsius
|
13.8° Celsius
|
13.9° Celsius
|
13.9° Celsius
|
13.9° Celsius
|
13.9° Celsius
|
14.1° Celsius
|
13.8° Celsius
|
13.5° Celsius
|
13.4° Celsius
|
13.3° Celsius
|
| Wind Direction and speed |
SW
15
|
SW
17
|
SW
20
|
SW
20
|
SW
22
|
SW
23
|
SW
24
|
WSW
23
|
WSW
27
|
WSW
22
|
WSW
22
|
SW
23
|
SW
19
|
SW
20
|
SW
22
|
| Visibility | 5 nautical miles | 5 nautical miles | 5 nautical miles | 5 nautical miles | 2 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 |
| Humidity | 75% | 76% | 87% | 85% | 84% | 79% | 79% | 73% | 77% | 74% | 76% | 80% | 85% | 86% | 85% |
| Pressure | 1,014 hectopascals | 1,014 hectopascals | 1,014 hectopascals | 1,013 hectopascals | 1,013 hectopascals | 1,012 hectopascals | 1,012 hectopascals | 1,012 hectopascals | 1,012 hectopascals | 1,012 hectopascals | 1,013 hectopascals | 1,013 hectopascals | 1,013 hectopascals | 1,012 hectopascals | 1,011 hectopascals |
| Dew point temperature | 9.3° Celsius | 9.4° Celsius | 11.3° Celsius | 10.9° Celsius | 10.9° Celsius | 10.2° Celsius | 10.3° Celsius | 9.2° Celsius | 10.0° Celsius | 9.4° Celsius | 9.9° Celsius | 10.4° Celsius | 11.1° Celsius | 11.1° Celsius | 10.9° Celsius |
| Sea Temperature | 13.2° Celsius | 13.2° Celsius | 13.2° Celsius | 13.2° Celsius | 13.3° Celsius | 13.3° Celsius | 13.2° Celsius | 13.2° Celsius | 13.2° Celsius | 13.2° Celsius | 13.2° Celsius | 13.2° Celsius | 13.2° Celsius | 13.2° Celsius | 13.2° Celsius |
| Wave Height | 0.8 metres | 0.6 metres | 0.6 metres | 0.6 metres | 0.7 metres | 0.8 metres | 0.9 metres | 1.1 metres | 1.3 metres | 1.2 metres | 1.4 metres | 1.5 metres | 1.5 metres | 1.5 metres | 1.2 metres |
| Wave period | 6.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 6.0 seconds | 6.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 6.0 seconds | 6.0 seconds | 6.0 seconds | 7.0 seconds |
Saturday (29 November 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 |
13.3° Celsius
|
12.9° Celsius
|
12.9° Celsius
|
13.0° Celsius
|
12.9° Celsius
|
12.9° Celsius
|
12.7° Celsius
|
12.6° Celsius
|
12.8° Celsius
|
12.8° Celsius
|
13.2° Celsius
|
13.0° Celsius
|
12.3° Celsius
|
12.6° Celsius
|
11.7° Celsius
|
11.5° Celsius
|
11.2° Celsius
|
11.3° Celsius
|
11.3° Celsius
|
10.9° Celsius
|
10.9° Celsius
|
10.9° Celsius
|
11.2° Celsius
|
10.7° Celsius
|
| Wind Direction and speed |
SSW
24
|
SSW
25
|
SSW
25
|
SSW
25
|
SSW
26
|
SSW
25
|
SSW
28
|
SSW
27
|
SSW
27
|
SSW
33
|
SSW
31
|
SSW
30
|
S
30
|
WSW
27
|
W
25
|
W
25
|
W
21
|
W
20
|
W
23
|
W
21
|
W
19
|
W
16
|
W
15
|
W
22
|
| Visibility | 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 | 5 nautical miles | 2 nautical miles | 2 nautical miles | 1 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 |
| Humidity | 84% | 84% | 84% | 83% | 84% | 85% | 81% | 85% | 84% | 80% | 79% | 83% | 91% | 81% | 74% | 68% | 69% | 67% | 67% | 66% | 69% | 70% | 69% | 70% |
| Pressure | 1,011 hectopascals | 1,010 hectopascals | 1,009 hectopascals | 1,008 hectopascals | 1,007 hectopascals | 1,007 hectopascals | 1,006 hectopascals | 1,005 hectopascals | 1,004 hectopascals | 1,004 hectopascals | 1,003 hectopascals | 1,002 hectopascals | 1,001 hectopascals | 1,001 hectopascals | 1,002 hectopascals | 1,002 hectopascals | 1,003 hectopascals | 1,003 hectopascals | 1,004 hectopascals | 1,005 hectopascals | 1,005 hectopascals | 1,005 hectopascals | 1,006 hectopascals | 1,006 hectopascals |
| Dew point temperature | 10.7° Celsius | 10.3° Celsius | 10.2° Celsius | 10.1° Celsius | 10.3° Celsius | 10.5° Celsius | 9.5° Celsius | 10.2° Celsius | 10.1° Celsius | 9.5° Celsius | 9.7° Celsius | 10.1° Celsius | 10.9° Celsius | 9.5° Celsius | 7.2° Celsius | 5.8° Celsius | 5.8° Celsius | 5.5° Celsius | 5.5° Celsius | 4.7° Celsius | 5.4° Celsius | 5.7° Celsius | 5.7° Celsius | 5.5° Celsius |
| Sea Temperature | 13.2° Celsius | 13.1° Celsius | 13.1° Celsius | 13.1° Celsius | 13.1° Celsius | 13.1° Celsius | 13.1° Celsius | 13.1° Celsius | 13.1° Celsius | 13.1° Celsius | 13.1° Celsius | 13.1° Celsius | 13.1° Celsius | 13.1° Celsius | 13.1° Celsius | 13.0° Celsius | 13.0° Celsius | 12.9° Celsius | 12.9° Celsius | 12.9° Celsius | 12.8° Celsius | 12.8° Celsius | 12.8° Celsius | 12.8° Celsius |
| Wave Height | 1.3 metres | 1.3 metres | 1.4 metres | 1.5 metres | 1.6 metres | 1.6 metres | 1.8 metres | 1.8 metres | 1.8 metres | 1.8 metres | 1.9 metres | 2.2 metres | 2.1 metres | 2.0 metres | 2.2 metres | 2.1 metres | 2.0 metres | 1.9 metres | 1.7 metres | 1.6 metres | 1.3 metres | 1.4 metres | 1.2 metres | 1.1 metres |
| Wave period | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 6.0 seconds | 6.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 6.0 seconds | 6.0 seconds |
Sunday (30 November 2025)
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | |
|---|---|---|---|---|---|---|---|---|---|
| Temperature |
10.1° Celsius
|
9.4° Celsius
|
8.5° Celsius
|
8.4° Celsius
|
8.2° Celsius
|
8.1° Celsius
|
8.0° Celsius
|
8.1° Celsius
|
8.1° Celsius
|
| Wind Direction and speed |
W
23
|
WNW
21
|
NW
17
|
NW
20
|
NW
20
|
NNW
21
|
NNW
20
|
NW
19
|
NW
19
|
| Visibility | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles | 26 nautical miles | 10 nautical miles | 10 nautical miles | 10 nautical miles |
| Humidity | 70% | 71% | 73% | 74% | 70% | 69% | 70% | 70% | 64% |
| Pressure | 1,007 hectopascals | 1,008 hectopascals | 1,008 hectopascals | 1,009 hectopascals | 1,010 hectopascals | 1,011 hectopascals | 1,012 hectopascals | 1,013 hectopascals | 1,014 hectopascals |
| Dew point temperature | 4.8° Celsius | 4.4° Celsius | 4.0° Celsius | 4.1° Celsius | 3.0° Celsius | 2.7° Celsius | 2.9° Celsius | 3.0° Celsius | 1.8° Celsius |
| Sea Temperature | 12.8° Celsius | 12.8° Celsius | 12.7° Celsius | 12.7° Celsius | 12.7° Celsius | 12.6° Celsius | 12.6° Celsius | 12.6° Celsius | 12.5° Celsius |
| Wave Height | 1.0 metres | 1.0 metres | 1.1 metres | 1.1 metres | 1.2 metres | 1.3 metres | 1.3 metres | 1.4 metres | 1.2 metres |
| Wave period | 6.0 seconds | 6.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 7.0 seconds | 6.0 seconds |
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Marine forecasts disclaimer
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