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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Wednesday (20 August 2025)

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 Cloudy Sunny intervals Overcast Overcast Sunny intervals Sunny intervals Sunny day Clear night Clear night Clear night Overcast
Temperature
16.6° Celsius
16.6° Celsius
16.5° Celsius
16.9° Celsius
16.9° Celsius
16.4° Celsius
16.3° Celsius
15.8° Celsius
15.3° Celsius
13.8° Celsius
12.1° Celsius
11.3° Celsius
10.9° Celsius
Wind Direction and speed
E 4
ENE 3
ENE 4
NE 3
NNE 4
NNE 3
NNE 3
NE 3
NE 2
ENE 2
E 2
ENE 1
E 2
Wind gust 6 knots 6 knots 7 knots 6 knots 7 knots 7 knots 7 knots 6 knots 4 knots 3 knots 2 knots 2 knots 2 knots
Visibility 13 nautical miles 27 nautical miles 9 nautical miles 10 nautical miles 21 nautical miles 19 nautical miles 20 nautical miles 24 nautical miles 19 nautical miles 19 nautical miles 15 nautical miles 14 nautical miles 12 nautical miles
Humidity 64% 66% 63% 66% 59% 58% 58% 58% 62% 66% 73% 79% 80%
Pressure 1,023 hectopascals 1,023 hectopascals 1,023 hectopascals 1,022 hectopascals 1,022 hectopascals 1,022 hectopascals 1,022 hectopascals 1,021 hectopascals 1,021 hectopascals 1,022 hectopascals 1,022 hectopascals 1,022 hectopascals 1,022 hectopascals
Dew point temperature 9.7° Celsius 10.2° Celsius 9.3° Celsius 10.5° Celsius 8.9° Celsius 8.2° Celsius 8.0° Celsius 7.5° Celsius 8.1° Celsius 7.6° Celsius 7.5° Celsius 7.9° Celsius 7.7° Celsius

Thursday (21 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
Weather
Weather Symbol Cloudy Overcast Clear night Clear night Clear night Cloudy Cloudy Sunny day Mist Mist Light rain Light rain Cloudy Overcast Overcast Overcast Overcast Cloudy Cloudy Overcast Overcast Overcast Overcast Overcast
Temperature
11.8° Celsius
10.6° Celsius
9.6° Celsius
8.4° Celsius
8.7° Celsius
7.2° Celsius
9.2° Celsius
11.6° Celsius
13.2° Celsius
14.9° Celsius
16.2° Celsius
16.7° Celsius
18.2° Celsius
18.1° Celsius
18.4° Celsius
19.3° Celsius
19.2° Celsius
18.5° Celsius
18.2° Celsius
17.2° Celsius
16.3° Celsius
15.8° Celsius
14.8° Celsius
13.9° Celsius
Wind Direction and speed
ESE 2
E 1
E 2
E 2
E 2
ENE 1
ESE 1
SSE 2
SSW 1
SSW 2
SW 3
SW 3
SW 2
SW 2
SW 2
WSW 3
SSW 3
WSW 4
W 4
WNW 2
NNW 2
N 2
N 1
NNW 3
Wind gust 3 knots 3 knots 3 knots 2 knots 2 knots 2 knots 2 knots 3 knots 3 knots 3 knots 5 knots 5 knots 5 knots 6 knots 4 knots 5 knots 5 knots 6 knots 6 knots 5 knots 4 knots 4 knots 2 knots 3 knots
Visibility 17 nautical miles 17 nautical miles 15 nautical miles 14 nautical miles 14 nautical miles 10 nautical miles 11 nautical miles 7 nautical miles 2 nautical miles 7 nautical miles < 1 nautical miles < 1 nautical miles No data No data No data No data No data No data No data No data No data No data No data No data
Humidity 78% 81% 84% 86% 85% 90% 91% 87% 84% 79% 64% 60% 54% 53% 55% 55% 56% 66% 68% 73% 75% 75% 79% 83%
Pressure 1,022 hectopascals 1,022 hectopascals 1,022 hectopascals 1,021 hectopascals 1,021 hectopascals 1,021 hectopascals 1,021 hectopascals 1,021 hectopascals 1,021 hectopascals 1,022 hectopascals 1,022 hectopascals 1,022 hectopascals 1,021 hectopascals 1,022 hectopascals 1,022 hectopascals 1,021 hectopascals 1,021 hectopascals 1,021 hectopascals 1,021 hectopascals 1,021 hectopascals 1,022 hectopascals 1,022 hectopascals 1,022 hectopascals 1,022 hectopascals
Dew point temperature 8.1° Celsius 7.6° Celsius 7.1° Celsius 6.1° Celsius 6.3° Celsius 5.6° Celsius 7.9° Celsius 9.4° Celsius 10.6° Celsius 11.3° Celsius 9.5° Celsius 9.0° Celsius 8.7° Celsius 8.3° Celsius 9.1° Celsius 10.0° Celsius 10.2° Celsius 12.1° Celsius 12.3° Celsius 12.4° Celsius 11.8° Celsius 11.4° Celsius 11.3° Celsius 11.1° Celsius

Friday (22 August 2025)

00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00
Weather
Weather Symbol Overcast Overcast Partly cloudy (night) Partly cloudy (night) Overcast Overcast Overcast Overcast Overcast Overcast Overcast
Temperature
13.5° Celsius
12.8° Celsius
12.8° Celsius
12.7° Celsius
12.3° Celsius
13.3° Celsius
13.0° Celsius
13.8° Celsius
14.4° Celsius
15.1° Celsius
16.3° Celsius
Wind Direction and speed
NNE 1
N 0
NNE 1
ESE 1
N 0
SE 1
ENE 1
ENE 1
SSE 1
WNW 1
SW 2
Wind gust 2 knots 2 knots 2 knots 2 knots 2 knots 2 knots 1 knots 1 knots 2 knots 2 knots 3 knots
Visibility No data No data No data No data No data No data No data No data No data No data No data
Humidity 84% 87% 88% 87% 90% 84% 87% 85% 84% 82% 78%
Pressure 1,022 hectopascals 1,022 hectopascals 1,022 hectopascals 1,022 hectopascals 1,022 hectopascals 1,021 hectopascals 1,021 hectopascals 1,022 hectopascals 1,022 hectopascals 1,022 hectopascals 1,022 hectopascals
Dew point temperature 10.9° Celsius 10.8° Celsius 10.8° Celsius 10.6° Celsius 10.6° Celsius 10.7° Celsius 10.8° Celsius 11.2° Celsius 11.7° Celsius 12.1° Celsius 12.4° Celsius

Marine forecasts disclaimer

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