Surf Forecasts:
How big are the waves at Ballycastle today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 3ft (0.9m), 4s period with NW swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 3ft (0.9m), 5s period with NW swell.
- Evening surf: Evening surf (20 Jul, local time) - 3ft (0.9m), 7s period with NW swell.
The current surf forecast for Ballycastle at 8PM is: 0.9m 6s primary swell from a Northwest direction and 0.3m 11s secondary swell from a West-northwest direction (forecast issued at 12:00pm July 20). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 3ft (0.9m) | 4s |
| Afternoon (20 Jul) | 3ft (0.9m) | 5s |
| Evening (20 Jul) | 3ft (0.9m) | 7s |
Table - waves today at Ballycastle. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Wed afternoon, min 11°C on Tue morning). Wind will be generally light. | |||||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||
10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | NW 5 | NW 5 | NW 5 | NW 6 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NNW 6 | NNW 6 | NW 5 | NW 5 | NNW 5 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NW 7 | NW 7 | NW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 31 | 36 | 41 | 59 | 69 | 69 | 65 | 73 | 80 | 84 | 81 | 67 | 62 | 58 | 53 | 63 | 59 | 57 | 47 | 47 | 37 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 9:30PM0.52m | 7:44AM0.47m | 9:43PM0.48m | 8:44AM0.45m | |||||||||||||||||
Low Tide | 2:17PM0.02m | 3:11AM0.39m | 2:22PM0.10m | 2:20AM0.34m | 2:24PM0.18m | ||||||||||||||||
 |  |  | |  | | | | | | | | | |  | | | | | | | |
 | 5:11 | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | — | — | — | 9:50 | — | — | — | — | — | — | — | 9:47 | — | — | — | — | — | — | — | 9:46 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 12 | 12 | 12 | 11 | 11 | 11 | 12 | 13 | 14 | 15 | 14 | 14 |
Feels °C | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 8 | 6 | 7 | 7 | 7 | 6 | 7 | 7 | 8 | 9 | 11 | 12 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | W 9 | W 9 | W 9 | W 9 |
| kJ | 23 | 22 | 22 | 22 | 21 | 20 | 20 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 6 | 6 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 5 | NW 5 | NW 5 | NW 6 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NNW 6 | NNW 6 | NW 5 | NW 5 | NNW 5 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NW 7 | NW 7 | NW 7 |
| kJ | 31 | 36 | 41 | 59 | 69 | 69 | 65 | 73 | 80 | 84 | 81 | 67 | 62 | 58 | 53 | 63 | 59 | 57 | 47 | 47 | 37 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 236 | 384 | 1319 | 326 | 304 | 293 | 306 | 377 | 428 | 831 | 572 | 1278 | 266 | 266 | 266 | 266 | 274 | 88 | 88 | 88 | 72 |
Best forecast wave conditions in Antrim | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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