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

Marine observations - Belfast International Airport

  • Location 54.664, -6.224
  • Altitude 63 m above mean sea level
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Thursday (4 December 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
Weather
Weather Symbol Cloudy Overcast Overcast Overcast Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night Clear night Clear night Light rain
Temperature
4.8° Celsius
5.2° Celsius
5.3° Celsius
5.2° Celsius
5.1° Celsius
5.8° Celsius
5.1° Celsius
4.2° Celsius
3.9° Celsius
3.2° Celsius
3.4° Celsius
3.3° Celsius
3.0° Celsius
3.4° Celsius
4.0° Celsius
Wind Direction and speed
W 4
SW 6
SW 7
SW 6
SSW 4
SW 5
SSW 7
SSW 6
S 5
S 5
SSE 7
SSE 8
SSE 8
SSE 9
SSE 9
Wind gust 8 knots 10 knots 10 knots 12 knots 8 knots 10 knots 10 knots 8 knots 8 knots 8 knots 10 knots 12 knots 12 knots 14 knots 16 knots
Visibility 12 nautical miles 5 nautical miles 6 nautical miles 5 nautical miles 6 nautical miles 11 nautical miles 10 nautical miles 10 nautical miles 9 nautical miles 8 nautical miles 8 nautical miles 7 nautical miles 8 nautical miles 9 nautical miles 9 nautical miles
Humidity 93% 97% 96% 95% 95% 92% 90% 91% 94% 91% 88% 90% 91% 89% 91%
Pressure 993 hectopascals 994 hectopascals 994 hectopascals 994 hectopascals 994 hectopascals 995 hectopascals 995 hectopascals 996 hectopascals 996 hectopascals 997 hectopascals 997 hectopascals 997 hectopascals 998 hectopascals 998 hectopascals 998 hectopascals
Dew point temperature 3.8° Celsius 4.7° Celsius 4.7° Celsius 4.5° Celsius 4.5° Celsius 4.6° Celsius 3.6° Celsius 2.8° Celsius 2.9° Celsius 1.9° Celsius 1.6° Celsius 1.9° Celsius 1.6° Celsius 1.8° Celsius 2.7° Celsius

Friday (5 December 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
Weather
Weather Symbol Overcast Overcast Overcast Overcast Overcast Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Light rain Light rain Light rain Heavy rain Light rain Light rain Light rain Light rain Light rain Light rain Overcast Light rain
Temperature
4.4° Celsius
4.7° Celsius
4.7° Celsius
4.9° Celsius
4.9° Celsius
4.7° Celsius
4.8° Celsius
5.4° Celsius
6.0° Celsius
6.5° Celsius
7.5° Celsius
8.1° Celsius
8.5° Celsius
8.4° Celsius
8.5° Celsius
8.4° Celsius
8.3° Celsius
8.3° Celsius
8.7° Celsius
8.9° Celsius
9.5° Celsius
9.9° Celsius
9.7° Celsius
9.5° Celsius
Wind Direction and speed
S 9
S 8
SSE 8
S 8
S 9
SSE 7
SSE 8
SSE 9
SE 11
SE 12
SE 14
SE 15
SE 16
SE 17
SE 21
ESE 22
SE 28
ESE 23
SE 21
ESE 15
SE 10
SSE 10
S 10
S 9
Wind gust 14 knots 14 knots 12 knots 12 knots 16 knots 12 knots 12 knots 14 knots 17 knots 17 knots 21 knots 23 knots 35 knots 25 knots 35 knots 37 knots 45 knots 43 knots 35 knots 29 knots 19 knots 16 knots 14 knots 16 knots
Visibility 7 nautical miles 8 nautical miles 9 nautical miles 9 nautical miles 6 nautical miles 6 nautical miles 7 nautical miles 8 nautical miles 8 nautical miles 9 nautical miles 9 nautical miles 10 nautical miles 10 nautical miles 1 nautical miles 1 nautical miles 1 nautical miles 2 nautical miles 2 nautical miles 1 nautical miles 3 nautical miles 5 nautical miles 7 nautical miles 8 nautical miles 8 nautical miles
Humidity 94% 94% 93% 93% 95% 94% 93% 89% 85% 81% 81% 81% 82% 89% 91% 92% 91% 91% 93% 94% 93% 93% 93% 94%
Pressure 998 hectopascals 998 hectopascals 998 hectopascals 998 hectopascals 998 hectopascals 997 hectopascals 997 hectopascals 997 hectopascals 996 hectopascals 994 hectopascals 993 hectopascals 991 hectopascals 989 hectopascals 987 hectopascals 985 hectopascals 983 hectopascals 981 hectopascals 980 hectopascals 979 hectopascals 978 hectopascals 977 hectopascals 978 hectopascals 978 hectopascals 978 hectopascals
Dew point temperature 3.5° Celsius 3.8° Celsius 3.7° Celsius 3.9° Celsius 4.1° Celsius 3.8° Celsius 3.7° Celsius 3.8° Celsius 3.7° Celsius 3.5° Celsius 4.4° Celsius 5.1° Celsius 5.7° Celsius 6.7° Celsius 7.1° Celsius 7.2° Celsius 6.9° Celsius 6.9° Celsius 7.6° Celsius 8.0° Celsius 8.5° Celsius 8.8° Celsius 8.6° Celsius 8.6° Celsius

Saturday (6 December 2025)

00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00
Weather
Weather Symbol Light rain Light rain Light rain Overcast Overcast Light rain Light rain Overcast Mist
Temperature
9.1° Celsius
8.9° Celsius
8.7° Celsius
8.4° Celsius
7.8° Celsius
7.5° Celsius
7.3° Celsius
7.4° Celsius
7.3° Celsius
Wind Direction and speed
S 8
S 8
S 8
S 9
S 8
S 7
S 5
S 5
S 4
Wind gust 16 knots 16 knots 14 knots 14 knots 14 knots 12 knots 10 knots 10 knots 10 knots
Visibility 10 nautical miles 11 nautical miles 8 nautical miles 6 nautical miles 7 nautical miles 7 nautical miles 5 nautical miles 7 nautical miles 6 nautical miles
Humidity 92% 93% 92% 91% 91% 92% 93% 93% 95%
Pressure 978 hectopascals 979 hectopascals 980 hectopascals 980 hectopascals 980 hectopascals 981 hectopascals 982 hectopascals 983 hectopascals 983 hectopascals
Dew point temperature 7.9° Celsius 7.8° Celsius 7.4° Celsius 7.0° Celsius 6.5° Celsius 6.3° Celsius 6.3° Celsius 6.3° Celsius 6.4° Celsius

Marine forecasts disclaimer

In the UK, the Maritime & Coastguard Agency (MCA) is responsible for the provision of Maritime Safety Information (MSI) to ships at sea, which includes the broadcast of warnings and forecasts. The Met Office initiates warnings and prepares routine forecasts for dissemination on behalf of the MCA.

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Please refer to GMDSS services, INMARSAT SafetyNET or international NAVTEX for the latest information. When using these web pages, always check that the page on your screen is not from your cache. Use the Refresh or Reload button if in any doubt.

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