A blue-green ocean surface with waves and sea foam.
Coast and sea

Marine observations - Greenwich Light Vessel

  • Location 50.417, 0
  • Altitude 0 m above mean sea level
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Sunset:
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Friday (29 August 2025)

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
18.0° Celsius
17.4° Celsius
17.9° Celsius
18.2° Celsius
18.3° Celsius
18.4° Celsius
18.5° Celsius
18.8° Celsius
18.7° Celsius
18.6° Celsius
18.5° Celsius
18.7° Celsius
18.8° Celsius
18.4° Celsius
Wind Direction and speed
WNW 23
W 20
W 21
W 23
WSW 25
W 23
W 24
W 21
WSW 22
WSW 21
WSW 21
WSW 21
WSW 19
W 17
Visibility 10 nautical miles 10 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 10 nautical miles
Humidity 73% 80% 75% 76% 80% 80% 78% 80% 82% 83% 85% 83% 84% 74%
Pressure 996 hectopascals 997 hectopascals 997 hectopascals 998 hectopascals 998 hectopascals 998 hectopascals 999 hectopascals 999 hectopascals 1,000 hectopascals 1,001 hectopascals 1,002 hectopascals 1,002 hectopascals 1,003 hectopascals 1,003 hectopascals
Dew point temperature 13.0° Celsius 13.9° Celsius 13.5° Celsius 13.8° Celsius 14.8° Celsius 14.8° Celsius 14.6° Celsius 15.2° Celsius 15.6° Celsius 15.7° Celsius 16.0° Celsius 15.8° Celsius 16.1° Celsius 13.7° Celsius
Sea Temperature 18.0° Celsius 18.1° Celsius 18.1° Celsius 18.1° Celsius 18.2° Celsius 18.2° Celsius 18.2° Celsius 18.2° Celsius 18.2° Celsius 18.2° Celsius 18.2° Celsius 18.2° Celsius 18.1° Celsius 18.1° Celsius
Wave Height 1.6 metres 1.3 metres 1.3 metres 1.3 metres 1.3 metres 1.2 metres 1.3 metres 1.4 metres 1.3 metres 1.3 metres 1.4 metres 0.9 metres 0.9 metres 0.9 metres
Wave period 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 6.0 seconds 6.0 seconds 6.0 seconds 6.0 seconds 6.0 seconds

Saturday (30 August 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
18.7° Celsius
18.7° Celsius
17.9° Celsius
17.1° Celsius
18.1° Celsius
18.0° Celsius
18.0° Celsius
18.1° Celsius
18.2° Celsius
17.9° Celsius
18.0° Celsius
18.4° Celsius
18.4° Celsius
18.8° Celsius
19.2° Celsius
19.5° Celsius
20.0° Celsius
18.1° Celsius
18.9° Celsius
19.3° Celsius
18.7° Celsius
19.2° Celsius
19.6° Celsius
18.5° Celsius
Wind Direction and speed
WNW 17
W 14
WSW 16
WSW 9
W 18
WSW 15
WSW 15
SW 18
SW 18
WSW 18
SW 19
SSW 21
SSW 23
S 23
SSW 23
S 19
S 23
S 25
S 24
S 27
S 26
S 25
SSW 23
WSW 21
Visibility 10 nautical miles 10 nautical miles 10 nautical miles 10 nautical miles 5 nautical miles 10 nautical miles 10 nautical miles 10 nautical miles 10 nautical miles 5 nautical miles 10 nautical miles 10 nautical miles 5 nautical miles 10 nautical miles 5 nautical miles 5 nautical miles 5 nautical miles 2 nautical miles 5 nautical miles 1 nautical miles < 1 nautical miles 5 nautical miles 5 nautical miles 5 nautical miles
Humidity 73% 73% 79% 84% 80% 80% 79% 77% 76% 83% 83% 83% 85% 80% 78% 80% 76% 94% 91% 89% 96% 95% 91% 87%
Pressure 1,003 hectopascals 1,003 hectopascals 1,004 hectopascals 1,004 hectopascals 1,004 hectopascals 1,005 hectopascals 1,005 hectopascals 1,006 hectopascals 1,006 hectopascals 1,007 hectopascals 1,007 hectopascals 1,007 hectopascals 1,006 hectopascals 1,006 hectopascals 1,005 hectopascals 1,005 hectopascals 1,005 hectopascals 1,004 hectopascals 1,004 hectopascals 1,003 hectopascals 1,003 hectopascals 1,003 hectopascals 1,003 hectopascals 1,004 hectopascals
Dew point temperature 13.8° Celsius 13.7° Celsius 14.2° Celsius 14.4° Celsius 14.5° Celsius 14.4° Celsius 14.3° Celsius 14.0° Celsius 13.9° Celsius 15.0° Celsius 15.1° Celsius 15.4° Celsius 15.9° Celsius 15.2° Celsius 15.3° Celsius 15.9° Celsius 15.7° Celsius 17.1° Celsius 17.4° Celsius 17.4° Celsius 18.0° Celsius 18.3° Celsius 18.1° Celsius 16.3° Celsius
Sea Temperature 18.1° Celsius 18.0° Celsius 18.0° Celsius 18.0° Celsius 18.0° Celsius 18.0° Celsius 18.0° Celsius 18.0° Celsius 18.0° Celsius 18.1° Celsius 18.1° Celsius 18.2° Celsius 18.2° Celsius 18.2° Celsius 18.2° Celsius 18.2° Celsius 18.2° Celsius 18.2° Celsius 18.2° Celsius 18.2° Celsius 18.2° Celsius 18.2° Celsius 18.2° Celsius 18.2° Celsius
Wave Height 1.0 metres 1.0 metres 1.1 metres 1.2 metres 1.0 metres 1.2 metres 0.9 metres 0.8 metres 0.9 metres 0.7 metres 0.7 metres 0.6 metres 0.7 metres 0.9 metres 1.0 metres 1.1 metres 1.2 metres 1.1 metres 1.1 metres 1.1 metres 1.4 metres 1.2 metres 1.3 metres 1.4 metres
Wave period 6.0 seconds 6.0 seconds 7.0 seconds 7.0 seconds 7.0 seconds 7.0 seconds 7.0 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 6.0 seconds 6.0 seconds 6.0 seconds 6.0 seconds 6.0 seconds 6.0 seconds

Sunday (31 August 2025)

00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00
Temperature
18.7° Celsius
18.7° Celsius
18.4° Celsius
18.4° Celsius
18.3° Celsius
18.2° Celsius
18.1° Celsius
18.2° Celsius
18.3° Celsius
17.8° Celsius
Wind Direction and speed
WSW 25
WSW 20
WSW 19
WSW 15
WSW 18
WSW 15
SW 13
SW 15
SW 15
SW 13
Visibility 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 < 1 nautical miles
Humidity 81% 82% 75% 77% 75% 74% 75% 68% 69% 71%
Pressure 1,004 hectopascals 1,004 hectopascals 1,005 hectopascals 1,005 hectopascals 1,005 hectopascals 1,005 hectopascals 1,005 hectopascals 1,006 hectopascals 1,006 hectopascals 1,006 hectopascals
Dew point temperature 15.4° Celsius 15.6° Celsius 13.9° Celsius 14.2° Celsius 13.8° Celsius 13.4° Celsius 13.5° Celsius 12.2° Celsius 12.5° Celsius 12.5° Celsius
Sea Temperature 18.1° Celsius 18.1° Celsius 18.0° Celsius 18.0° Celsius 18.0° Celsius 18.0° Celsius 18.0° Celsius 18.0° Celsius 18.0° Celsius 18.0° Celsius
Wave Height 1.5 metres 1.4 metres 1.5 metres 1.4 metres 1.4 metres 1.2 metres 1.2 metres 1.2 metres 1.0 metres 0.9 metres
Wave period 6.0 seconds 6.0 seconds 6.0 seconds 6.0 seconds 7.0 seconds 7.0 seconds 6.0 seconds 7.0 seconds 7.0 seconds 7.0 seconds

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