Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 3ft (0.9m), 8s period with NW swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 2ft (0.6m), 7s period with NW swell.
- Evening surf: Evening surf (16 Aug, local time) - 2.5ft (0.8m), 8s period with W swell.
The current surf forecast for Ballyhiernan Bay at 1PM is: 0.7m 7s primary swell from a Northwest direction and 0.2m 9s secondary swell from a North direction (forecast issued at 06:00am August 16). The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 3ft (0.9m) | 8s |
| Afternoon (16 Aug) | 2ft (0.6m) | 7s |
| Evening (16 Aug) | 2.5ft (0.8m) | 8s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Mon afternoon. Very mild (max 16°C on Mon night, min 13°C on Sun morning). Winds increasing (light winds from the SSW on Sun night, strong winds from the SW by Tue night). | |||||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | |||||||||||||||||||||
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) | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | W 7 | W 8 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | WNW 8 | W 8 | WNW 9 | WNW 9 | WNW 10 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 125 | 99 | 79 | 56 | 43 | 50 | 84 | 119 | 99 | 95 | 69 | 65 | 63 | 61 | 127 | 158 | 143 | 186 | 207 | 309 | 404 | 592 | 748 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | off | off | cross-off | cross | cross-off | cross-off | cross-off | off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 9:11AM3.13m | 9:30PM3.42m | 9:48AM2.98m | 10:07PM3.13m | 10:25AM2.80m | ||||||||||||||||||
Low Tide | 3:08PM0.09m | 3:40AM0.25m | 3:47PM0.32m | 4:16AM0.50m | 4:27PM0.60m | ||||||||||||||||||
 |  | |  | | | |  | | | | | | | | | | | | | |  | | |
 | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | — | 9:02 | — | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 8:59 | — |
mm | 4 | 1 | 1 | — | — | 2 | 1 | — | — | — | — | 3 | 2 | 5 | 2 | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 15 | 14 | 15 | 15 | 15 | 15 | 15 | 14 |
Feels °C | 11 | 10 | 10 | 10 | 10 | 11 | 13 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 10 | 9 | 10 | 10 | 10 | 10 | 9 | 8 |
Swell 1 Height (m) Direction Period (s) | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | W 7 | W 8 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | N 7 | N 7 | N 7 | N 7 | N 7 | N 6 | N 6 | W 17 | W 17 |
| kJ | 125 | 99 | 79 | 56 | 43 | 50 | 84 | 119 | 99 | 95 | 69 | 65 | 63 | 61 | 4 | 4 | 4 | 3 | 1 | 1 | 1 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | W 8 | — | N 9 | N 9 | W 6 | NW 7 | NW 7 | NW 7 | NNW 8 | NNW 8 | NNW 7 | N 7 | N 7 | N 7 | NW 6 | W 18 | W 19 | — | W 16 | W 16 | W 17 | — | — |
| kJ | 1 | — | 6 | 6 | 12 | 26 | 17 | 17 | 21 | 19 | 11 | 9 | 9 | 8 | 1 | 6 | 7 | — | 5 | 5 | 6 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NW 7 | NW 7 | NW 7 | NW 6 | NNW 6 | NNW 6 | W 18 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 15 | 23 | 22 | 22 | 12 | 12 | 7 | 6 | 4 | 4 | 6 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 7 | W 7 | W 7 | W 7 | WNW 8 | W 8 | WNW 9 | WNW 9 | WNW 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 127 | 158 | 143 | 186 | 207 | 309 | 404 | 592 | 748 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 21 | 329 | 346 | 348 | 346 | 146 | 146 | 1222 | 411 | 411 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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