Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (15 Aug):
- Afternoon surf: Afternoon surf (15 Aug, local time) - 2ft (0.6m), 8s period with W swell.
- Evening surf: Evening surf (15 Aug, local time) - 3ft (0.9m), 8s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 12AM is: 0.9m 8s primary swell from a West-northwest direction and 0.1m 9s secondary swell from a North direction (forecast issued at 06:00pm August 14). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | - | - |
| Afternoon (15 Aug) | 2ft (0.6m) | 8s |
| Evening (15 Aug) | 3ft (0.9m) | 8s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Mon morning. Very mild (max 15°C on Fri afternoon, min 12°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Fri 14 | Saturday 15 | Sunday 16 | |||||||||||||||||
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) | W 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | WNW 7 | NW 7 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 35 | 90 | 94 | 125 | 164 | 153 | 157 | 149 | 158 | 136 | 143 | 145 | 125 | 99 | 79 | 70 | 33 | 122 | 156 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | off | off | off | off | cross | cross |
High Tide | 8:15PM3.76m | 8:34AM3.24m | 8:53PM3.64m | 9:11AM3.13m | 9:30PM3.42m | ||||||||||||||
Low Tide | 1:51PM-0.10m | 2:26AM-0.08m | 2:30PM-0.06m | 3:04AM0.04m | 3:08PM0.09m | ||||||||||||||
 | |  | | | | |  | | | | | |  | | | | | | |
 | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | 9:07 | — | — | — | — | — | — | — | 9:06 | — | — | — | — | — | — | — | 9:02 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 2 | 1 | — | — |
Temp °C | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 13 | 15 | 15 | 15 |
Feels °C | 12 | 11 | 11 | 9 | 9 | 10 | 9 | 9 | 11 | 11 | 10 | 11 | 12 | 9 | 9 | 9 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | W 8 | N 9 | N 9 | N 9 | N 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | WNW 7 | W 6 | NW 7 | NW 7 |
| kJ | 35 | 2 | 2 | 2 | 2 | 153 | 157 | 149 | 158 | 136 | 143 | 145 | 125 | 99 | 79 | 70 | 29 | 19 | 18 |
Swell 2 Height (m) Direction Period (s) | N 10 | — | — | — | — | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | — | W 8 | W 8 | N 9 | N 9 | NW 7 | NNW 8 | NNW 8 |
| kJ | 2 | — | — | — | — | 2 | 2 | 1 | 1 | 2 | 2 | — | 1 | 1 | 6 | 6 | 33 | 13 | 13 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 8 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 14 | — | — |
Wind waves Height (m) Direction Period (s) | WNW 4 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | — | — | — | — | — | — | — | — | — | — | — | — | W 8 | W 8 |
| kJ | 15 | 90 | 94 | 125 | 164 | — | — | — | — | — | — | — | — | — | — | — | — | 122 | 156 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 377 | 377 | 379 | 377 | 146 | 36 | 146 | 146 | 1069 | 36 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 17 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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