Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 3.5ft (1.1m), 6s period with NNW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 3.5ft (1.1m), 6s period with NNW swell.
- Evening surf: Evening surf (18 Jul, local time) - 4.5ft (1.3m), 7s period with NNW swell.
The current surf forecast for Ballyhiernan Bay at 11AM is: 1.1m 6s primary swell from a North-northwest direction and 0.4m 8s secondary swell from a West-northwest direction (forecast issued at 06:00am July 18). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 3.5ft (1.1m) | 6s |
| Afternoon (18 Jul) | 3.5ft (1.1m) | 6s |
| Evening (18 Jul) | 4.5ft (1.3m) | 7s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 14°C on Sun night, min 12°C on Sat morning). Wind will be generally light. | |||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
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 | 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) | N 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NW 7 | NNW 7 | NNW 7 | NNW 6 | WNW 11 | WNW 11 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 126 | 89 | 77 | 82 | 87 | 100 | 134 | 138 | 129 | 102 | 81 | 59 | 46 | 40 | 29 | 28 | 40 | 39 | 41 | 41 | 60 | 68 | 73 |
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 | on | on |
High Tide | 9:43AM3.00m | 10:06PM3.43m | 10:27AM2.84m | 10:50PM3.17m | 11:13AM2.66m | ||||||||||||||||||
Low Tide | 3:38PM0.17m | 4:21AM0.30m | 4:23PM0.37m | 5:05AM0.52m | 5:10PM0.62m | ||||||||||||||||||
 |  |  | | | |  | | | | |  | | | | | | | | | | |  | |
 | 5:13 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 9:59 | — | — | — | — | — | — | — | 9:57 | — | — | — | — | — | — | — | 9:55 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 12 | 12 | 12 | 13 | 13 | 12 | 13 | 12 | 12 | 12 | 12 | 13 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 |
Feels °C | 9 | 9 | 7 | 8 | 8 | 9 | 10 | 9 | 10 | 9 | 9 | 10 | 9 | 11 | 12 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 9 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 8 | W 14 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NW 7 | NNW 7 | NNW 7 | NNW 6 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 11 | WNW 10 | NNW 7 |
| kJ | 43 | 25 | 23 | 22 | 9 | 4 | 134 | 138 | 129 | 102 | 81 | 59 | 46 | 40 | 29 | 28 | 40 | 39 | 37 | 37 | 37 | 36 | 73 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 7 | W 10 | W 10 | NNW 8 | WNW 9 | WNW 9 | NNE 6 | NE 5 | NNE 4 | WNW 8 | WNW 12 | WNW 11 | W 19 | W 19 | — | — | — | — | WNW 10 |
| kJ | — | — | — | — | 4 | 2 | 2 | 7 | 8 | 8 | 12 | 7 | 4 | 14 | 13 | 24 | 7 | 7 | — | — | — | — | 34 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | N 9 | — | W 14 | NW 14 | W 7 | NW 12 | WNW 9 | WNW 9 | WNW 8 | WNW 12 | WNW 8 | WNW 8 | — | — | — | — | — | — | W 18 |
| kJ | — | — | — | — | 2 | — | 4 | 7 | 1 | 6 | 8 | 7 | 14 | 14 | 14 | 7 | — | — | — | — | — | — | 6 |
Wind waves Height (m) Direction Period (s) | N 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | — | — | — | — | — | — | — | — | — | — | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | — |
| kJ | 126 | 89 | 77 | 82 | 87 | 100 | — | — | — | — | — | — | — | — | — | — | 26 | 33 | 41 | 41 | 60 | 68 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 340 | 322 | 393 | 318 | 318 | 318 | 318 | 59 | 90 | 59 | 90 | 318 | 318 | 318 | 90 | 90 | 209 | 279 | 142 | 279 | 379 | 327 | 279 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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