Coast and sea
Marine observations - Belfast International Airport
- Location 54.664, -6.224
- Altitude 63 m above mean sea level
Tuesday (9 September 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 | |
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Weather |
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| Weather Symbol |
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| Temperature |
15.3° Celsius
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15.9° Celsius
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16.1° Celsius
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16.5° Celsius
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16.2° Celsius
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16.2° Celsius
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15.8° Celsius
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15.7° Celsius
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15.3° Celsius
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14.9° Celsius
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14.7° Celsius
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14.8° Celsius
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14.5° Celsius
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14.7° Celsius
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| Wind Direction and speed |
SSE
6
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SE
8
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SSE
9
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SSE
10
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SE
8
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SSE
10
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SSE
9
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SSE
8
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SSE
9
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SSE
10
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SE
9
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SSE
7
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SE
9
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SE
7
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| Wind gust | 12 knots | 13 knots | 14 knots | 15 knots | 14 knots | 15 knots | 16 knots | 15 knots | 14 knots | 14 knots | 16 knots | 12 knots | 13 knots | 13 knots |
| Visibility | 16 nautical miles | 13 nautical miles | 9 nautical miles | 16 nautical miles | 14 nautical miles | 17 nautical miles | 16 nautical miles | 15 nautical miles | 16 nautical miles | 11 nautical miles | 9 nautical miles | 12 nautical miles | 8 nautical miles | 9 nautical miles |
| Humidity | 71% | 74% | 79% | 75% | 77% | 78% | 80% | 81% | 83% | 84% | 85% | 86% | 89% | 88% |
| Pressure | 1,008 hectopascals | 1,008 hectopascals | 1,007 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 | 1,003 hectopascals | 1,003 hectopascals |
| Dew point temperature | 10.2° Celsius | 11.2° Celsius | 12.4° Celsius | 12.0° Celsius | 12.2° Celsius | 12.3° Celsius | 12.3° Celsius | 12.5° Celsius | 12.4° Celsius | 12.1° Celsius | 12.2° Celsius | 12.5° Celsius | 12.7° Celsius | 12.8° Celsius |
Wednesday (10 September 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 | |
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Weather |
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| Weather Symbol |
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| Temperature |
14.2° Celsius
|
14.7° Celsius
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14.4° Celsius
|
14.0° Celsius
|
14.3° Celsius
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14.4° Celsius
|
13.5° Celsius
|
13.8° Celsius
|
14.4° Celsius
|
14.4° Celsius
|
13.8° Celsius
|
14.2° Celsius
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14.7° Celsius
|
14.7° Celsius
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15.1° Celsius
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16.4° Celsius
|
14.3° Celsius
|
15.0° Celsius
|
13.8° Celsius
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12.7° Celsius
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12.9° Celsius
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12.0° Celsius
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12.1° Celsius
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11.4° Celsius
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| Wind Direction and speed |
SE
6
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SE
6
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SE
6
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SE
5
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SE
6
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SE
5
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SE
4
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SE
4
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SE
4
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SE
5
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SE
6
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SE
5
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S
5
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S
5
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SSE
7
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SSE
6
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SW
7
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WSW
8
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WSW
7
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WSW
7
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SW
7
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WSW
8
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SW
7
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SSW
7
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| Wind gust | 10 knots | 10 knots | 10 knots | 10 knots | 10 knots | 10 knots | 9 knots | 8 knots | 8 knots | 9 knots | 9 knots | 10 knots | 8 knots | 9 knots | 12 knots | 10 knots | 12 knots | 13 knots | 12 knots | 12 knots | 12 knots | 14 knots | 12 knots | 11 knots |
| Visibility | 1 nautical miles | 13 nautical miles | 14 nautical miles | 1 nautical miles | 11 nautical miles | 13 nautical miles | 22 nautical miles | 19 nautical miles | 14 nautical miles | 11 nautical miles | 1 nautical miles | 2 nautical miles | 10 nautical miles | 1 nautical miles | 28 nautical miles | 26 nautical miles | 19 nautical miles | 22 nautical miles | 7 nautical miles | 16 nautical miles | 16 nautical miles | 18 nautical miles | 4 nautical miles | 11 nautical miles |
| Humidity | 92% | 91% | 89% | 94% | 90% | 90% | 90% | 88% | 89% | 91% | 93% | 93% | 93% | 88% | 86% | 80% | 92% | 80% | 85% | 81% | 81% | 80% | 83% | 85% |
| Pressure | 1,002 hectopascals | 1,001 hectopascals | 1,000 hectopascals | 999 hectopascals | 998 hectopascals | 997 hectopascals | 996 hectopascals | 996 hectopascals | 996 hectopascals | 995 hectopascals | 994 hectopascals | 994 hectopascals | 993 hectopascals | 992 hectopascals | 991 hectopascals | 990 hectopascals | 990 hectopascals | 990 hectopascals | 991 hectopascals | 992 hectopascals | 992 hectopascals | 992 hectopascals | 992 hectopascals | 992 hectopascals |
| Dew point temperature | 13.0° Celsius | 13.2° Celsius | 12.7° Celsius | 13.0° Celsius | 12.7° Celsius | 12.8° Celsius | 11.9° Celsius | 11.7° Celsius | 12.6° Celsius | 13.0° Celsius | 12.7° Celsius | 13.1° Celsius | 13.5° Celsius | 12.7° Celsius | 12.8° Celsius | 13.1° Celsius | 13.0° Celsius | 11.5° Celsius | 11.4° Celsius | 9.6° Celsius | 9.8° Celsius | 8.7° Celsius | 9.2° Celsius | 8.9° Celsius |
Thursday (11 September 2025)
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | |
|---|---|---|---|---|---|---|---|---|---|---|
Weather |
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| Weather Symbol |
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| Temperature |
11.0° Celsius
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10.5° Celsius
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10.7° Celsius
|
10.8° Celsius
|
10.6° Celsius
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10.9° Celsius
|
10.4° Celsius
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10.6° Celsius
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11.6° Celsius
|
12.3° Celsius
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| Wind Direction and speed |
SSW
7
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S
6
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SSW
8
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SW
8
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SSW
7
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SSW
8
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SW
7
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SSW
7
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SSW
7
|
SW
8
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| Wind gust | 12 knots | 12 knots | 12 knots | 14 knots | 12 knots | 12 knots | 12 knots | 11 knots | 11 knots | 11 knots |
| Visibility | 11 nautical miles | 11 nautical miles | 11 nautical miles | 13 nautical miles | 13 nautical miles | 16 nautical miles | 16 nautical miles | 15 nautical miles | 16 nautical miles | 18 nautical miles |
| Humidity | 86% | 87% | 87% | 84% | 88% | 87% | 88% | 88% | 85% | 79% |
| Pressure | 992 hectopascals | 992 hectopascals | 992 hectopascals | 992 hectopascals | 992 hectopascals | 992 hectopascals | 992 hectopascals | 993 hectopascals | 993 hectopascals | 994 hectopascals |
| Dew point temperature | 8.7° Celsius | 8.4° Celsius | 8.6° Celsius | 8.2° Celsius | 8.7° Celsius | 8.8° Celsius | 8.5° Celsius | 8.8° Celsius | 9.2° Celsius | 8.8° Celsius |
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Marine forecasts disclaimer
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