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
Sunrise:
Sunset:
Sunrise:
Sunset:
Sunrise:
Sunset:

Wednesday (16 July 2025)

23:00
Temperature
17.5° Celsius
Wind Direction and speed
WSW 11
Visibility < 1 nautical miles
Humidity 98%
Pressure 1,019 hectopascals
Dew point temperature 17.1° Celsius
Sea Temperature 16.6° Celsius
Wave Height 0.4 metres
Wave period 7.0 seconds

Thursday (17 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
17.3° Celsius
17.3° Celsius
17.1° Celsius
17.0° Celsius
16.6° Celsius
17.1° Celsius
17.3° Celsius
17.4° Celsius
17.4° Celsius
17.4° Celsius
17.5° Celsius
17.6° Celsius
17.7° Celsius
17.7° Celsius
17.8° Celsius
17.8° Celsius
17.7° Celsius
17.6° Celsius
17.0° Celsius
16.8° Celsius
16.8° Celsius
16.4° Celsius
16.1° Celsius
15.9° Celsius
Wind Direction and speed
WSW 11
WSW 12
W 11
W 11
WSW 10
WSW 8
WSW 8
SSW 9
SW 8
WSW 7
WSW 8
SW 7
SW 10
SW 10
SW 11
NNE 10
WSW 10
WSW 8
W 8
W 9
W 6
SSW 4
SSW 6
SW 2
Visibility < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles 2 nautical miles 2 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles 1 nautical miles < 1 nautical miles 5 nautical miles 5 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles
Humidity 98% 99% 99% 99% 99% 100% 99% 99% 99% 99% 99% 99% 100% 100% 100% 99% 99% 99% 99% 99% 99% 99% 99% 100%
Pressure 1,018 hectopascals 1,018 hectopascals 1,018 hectopascals 1,017 hectopascals 1,018 hectopascals 1,018 hectopascals 1,018 hectopascals 1,018 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 1,017 hectopascals 1,017 hectopascals 1,017 hectopascals 1,017 hectopascals 1,017 hectopascals 1,017 hectopascals 1,016 hectopascals
Dew point temperature 17.0° Celsius 17.1° Celsius 17.0° Celsius 16.9° Celsius 16.4° Celsius 17.1° Celsius 17.2° Celsius 17.3° Celsius 17.3° Celsius 17.3° Celsius 17.4° Celsius 17.5° Celsius 17.7° Celsius 17.7° Celsius 17.8° Celsius 17.7° Celsius 17.6° Celsius 17.4° Celsius 16.8° Celsius 16.7° Celsius 16.7° Celsius 16.3° Celsius 16.0° Celsius 15.9° Celsius
Sea Temperature 16.5° Celsius 16.5° Celsius 16.5° Celsius 16.5° Celsius 16.5° Celsius 16.5° Celsius 16.5° Celsius 16.5° Celsius 16.5° Celsius 16.5° Celsius 16.5° Celsius 16.6° Celsius 16.7° Celsius 16.9° Celsius 16.9° Celsius 16.8° Celsius 16.7° Celsius 16.8° Celsius 16.8° Celsius 16.8° Celsius 16.8° Celsius 16.6° Celsius 16.6° Celsius 16.6° Celsius
Wave Height 0.4 metres 0.4 metres 0.4 metres 0.5 metres 0.4 metres 0.5 metres 0.4 metres 0.4 metres 0.3 metres 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 0.3 metres 0.3 metres 0.3 metres 0.3 metres 0.3 metres 0.4 metres
Wave period 7.0 seconds 6.0 seconds 6.0 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 8.0 seconds 7.0 seconds 7.0 seconds 7.0 seconds 7.0 seconds 7.0 seconds 7.0 seconds 8.0 seconds 8.0 seconds 9.0 seconds 9.0 seconds 9.0 seconds 8.0 seconds

Friday (18 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
Temperature
15.8° Celsius
16.0° Celsius
16.0° Celsius
16.3° Celsius
16.0° Celsius
16.1° Celsius
16.3° Celsius
16.5° Celsius
16.3° Celsius
16.2° Celsius
16.1° Celsius
16.6° Celsius
16.8° Celsius
17.0° Celsius
17.5° Celsius
17.9° Celsius
17.9° Celsius
18.1° Celsius
17.8° Celsius
17.6° Celsius
17.9° Celsius
18.0° Celsius
17.7° Celsius
Wind Direction and speed
SSW 4
SSW 5
SW 6
W 7
WNW 8
NNW 5
N 3
ENE 4
ENE 5
NE 5
NNE 5
NNE 3
N 4
N 3
NW 4
WNW 8
N 8
W 5
WNW 8
WNW 6
NW 7
SW 12
W 3
Visibility < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles < 1 nautical miles 10 nautical miles 10 nautical miles 5 nautical miles 5 nautical miles 10 nautical miles 10 nautical miles 10 nautical miles 10 nautical miles 10 nautical miles
Humidity 100% 100% 100% No data No data No data No data No data No data No data No data No data 100% 100% No data No data 99% 99% 98% 98% 96% 93% 92%
Pressure 1,016 hectopascals 1,015 hectopascals 1,015 hectopascals 1,015 hectopascals 1,015 hectopascals 1,014 hectopascals 1,014 hectopascals 1,014 hectopascals 1,015 hectopascals 1,015 hectopascals 1,014 hectopascals 1,015 hectopascals 1,014 hectopascals 1,013 hectopascals 1,013 hectopascals 1,012 hectopascals 1,012 hectopascals 1,011 hectopascals 1,011 hectopascals 1,011 hectopascals 1,011 hectopascals 1,012 hectopascals 1,011 hectopascals
Dew point temperature 15.8° Celsius 16.0° Celsius 16.0° Celsius No data No data No data No data No data No data No data No data No data 16.8° Celsius 17.0° Celsius No data No data 17.8° Celsius 18.0° Celsius 17.5° Celsius 17.3° Celsius 17.2° Celsius 16.9° Celsius 16.4° Celsius
Sea Temperature 16.5° Celsius 16.5° Celsius 16.5° Celsius 16.5° Celsius 16.5° Celsius 16.5° Celsius 16.5° Celsius 16.5° Celsius 16.6° Celsius 16.8° Celsius 16.8° Celsius 17.1° Celsius 17.3° Celsius 18.1° Celsius 18.1° Celsius 18.0° Celsius 18.3° Celsius 18.1° Celsius 18.0° Celsius 17.6° Celsius 17.6° Celsius 17.5° Celsius 17.3° Celsius
Wave Height 0.3 metres 0.4 metres 0.5 metres 0.5 metres 0.5 metres 0.6 metres 0.4 metres 0.4 metres 0.3 metres 0.3 metres 0.3 metres 0.3 metres 0.3 metres 0.3 metres 0.4 metres 0.4 metres 0.5 metres 0.6 metres 0.5 metres 0.4 metres 0.4 metres 0.4 metres 0.3 metres
Wave period 9.0 seconds 8.0 seconds 7.0 seconds 8.0 seconds 8.0 seconds 8.0 seconds 8.0 seconds 9.0 seconds 10.0 seconds 9.0 seconds 9.0 seconds 9.0 seconds 8.0 seconds 8.0 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 11.0 seconds

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