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 (21 May 2026)

20:00 21:00 22:00 23:00
Weather
Weather Symbol Overcast Overcast Overcast Light rain
Temperature
15.8° Celsius
15.4° Celsius
14.8° Celsius
14.2° Celsius
Wind Direction and speed
SSE 10
SSE 7
SSE 9
SSE 8
Wind gust 16 knots 16 knots 16 knots 17 knots
Visibility 19 nautical miles 18 nautical miles 15 nautical miles 13 nautical miles
Humidity 83% 82% 81% 81%
Pressure 1,019 hectopascals 1,019 hectopascals 1,019 hectopascals 1,020 hectopascals
Dew point temperature 12.9° Celsius 12.4° Celsius 11.6° Celsius 10.9° Celsius

Friday (22 May 2026)

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 Overcast Overcast Overcast Sunny intervals Overcast Overcast Cloudy Sunny intervals Overcast Overcast Light rain Light rain Light rain Cloudy Overcast Overcast Overcast Overcast Cloudy
Temperature
14.1° Celsius
14.2° Celsius
13.2° Celsius
13.7° Celsius
13.4° Celsius
13.7° Celsius
14.2° Celsius
14.5° Celsius
15.4° Celsius
15.6° Celsius
16.1° Celsius
17.9° Celsius
17.8° Celsius
18.0° Celsius
18.2° Celsius
17.4° Celsius
16.0° Celsius
15.9° Celsius
15.8° Celsius
15.5° Celsius
15.4° Celsius
14.7° Celsius
14.6° Celsius
13.5° Celsius
Wind Direction and speed
ESE 11
SE 12
SE 10
SE 12
SSE 11
S 7
S 8
S 8
S 9
S 10
SW 9
SSW 12
SSW 9
SW 8
S 8
S 10
SSE 9
S 9
S 8
S 7
S 8
S 4
S 8
SW 6
Wind gust 15 knots 19 knots 17 knots 18 knots 19 knots 16 knots 14 knots 17 knots 19 knots 19 knots 16 knots 17 knots 16 knots 15 knots 15 knots 16 knots 14 knots 15 knots 17 knots 19 knots 15 knots 13 knots 13 knots 19 knots
Visibility 21 nautical miles 16 nautical miles 7 nautical miles 10 nautical miles 10 nautical miles 12 nautical miles 15 nautical miles 17 nautical miles 19 nautical miles 22 nautical miles 22 nautical miles 12 nautical miles 28 nautical miles 27 nautical miles 27 nautical miles 17 nautical miles 15 nautical miles 9 nautical miles 20 nautical miles 22 nautical miles 27 nautical miles 24 nautical miles 19 nautical miles 23 nautical miles
Humidity 73% 72% 88% 86% 86% 87% 85% 84% 78% 75% 74% 65% 64% 63% 64% 68% 84% 81% 75% 75% 75% 80% 84% 86%
Pressure 1,018 hectopascals 1,018 hectopascals 1,018 hectopascals 1,018 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 1,019 hectopascals 1,019 hectopascals 1,019 hectopascals 1,019 hectopascals 1,019 hectopascals 1,019 hectopascals 1,019 hectopascals 1,019 hectopascals 1,020 hectopascals 1,020 hectopascals 1,021 hectopascals
Dew point temperature 9.4° Celsius 9.2° Celsius 11.3° Celsius 11.3° Celsius 11.1° Celsius 11.5° Celsius 11.7° Celsius 11.8° Celsius 11.7° Celsius 11.2° Celsius 11.4° Celsius 11.2° Celsius 11.0° Celsius 11.0° Celsius 11.3° Celsius 11.4° Celsius 13.4° Celsius 12.6° Celsius 11.4° Celsius 11.2° Celsius 10.9° Celsius 11.2° Celsius 11.9° Celsius 11.2° Celsius

Saturday (23 May 2026)

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
Weather
Weather Symbol Overcast Clear night Clear night Clear night Clear night Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Sunny day Cloudy Overcast Sunny day Sunny intervals Sunny intervals Cloudy Cloudy Sunny intervals Cloudy
Temperature
13.4° Celsius
12.1° Celsius
11.4° Celsius
10.9° Celsius
10.0° Celsius
10.3° Celsius
11.4° Celsius
12.4° Celsius
13.0° Celsius
13.8° Celsius
14.1° Celsius
15.3° Celsius
16.0° Celsius
16.9° Celsius
17.6° Celsius
17.7° Celsius
18.7° Celsius
17.9° Celsius
18.2° Celsius
16.9° Celsius
Wind Direction and speed
SW 8
SW 9
SW 10
SW 10
SSW 8
SSW 7
S 5
SSW 10
SW 11
SW 11
SSW 11
SSW 10
SSW 10
SW 12
SSW 13
SSW 11
SW 10
SW 10
SSW 9
SW 5
Wind gust 13 knots 18 knots 14 knots 16 knots 12 knots 10 knots 9 knots 14 knots 16 knots 17 knots 21 knots 18 knots 17 knots 19 knots 19 knots 16 knots 16 knots 16 knots 14 knots 14 knots
Visibility 22 nautical miles 17 nautical miles 16 nautical miles 14 nautical miles 14 nautical miles 16 nautical miles 18 nautical miles 17 nautical miles 17 nautical miles 18 nautical miles 22 nautical miles 22 nautical miles 20 nautical miles 25 nautical miles 23 nautical miles 28 nautical miles 30 nautical miles 26 nautical miles 28 nautical miles 27 nautical miles
Humidity 88% 88% 88% 90% 91% 90% 85% 81% 77% 75% 71% 70% 67% 65% 61% 55% 56% 57% 57% 63%
Pressure 1,021 hectopascals 1,021 hectopascals 1,022 hectopascals 1,023 hectopascals 1,023 hectopascals 1,023 hectopascals 1,024 hectopascals 1,024 hectopascals 1,025 hectopascals 1,025 hectopascals 1,025 hectopascals 1,026 hectopascals 1,026 hectopascals 1,026 hectopascals 1,026 hectopascals 1,026 hectopascals 1,026 hectopascals 1,026 hectopascals 1,026 hectopascals 1,026 hectopascals
Dew point temperature 11.4° Celsius 10.1° Celsius 9.5° Celsius 9.2° Celsius 8.5° Celsius 8.8° Celsius 9.1° Celsius 9.2° Celsius 9.1° Celsius 9.5° Celsius 8.8° Celsius 9.9° Celsius 9.9° Celsius 10.3° Celsius 9.9° Celsius 8.5° Celsius 9.8° Celsius 9.1° Celsius 9.4° Celsius 9.7° Celsius

Marine forecasts disclaimer

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