Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 6ft (1.9m), 8s period with NNW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 6ft (1.8m), 7s period with N swell.
- Evening surf: Evening surf (20 Aug, local time) - 5ft (1.6m), 7s period with N swell.
The current surf forecast for Ballyhiernan Bay at 3AM is: 1.3m 10s primary swell from a West-northwest direction and 0.3m 9s secondary swell from a North-northwest direction, 1.0m 6s secondary swell from a North direction (forecast issued at 12:00am August 20). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 6ft (1.9m) | 8s |
| Afternoon (20 Aug) | 6ft (1.8m) | 7s |
| Evening (20 Aug) | 5ft (1.6m) | 7s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Wed night. Very mild (max 15°C on Wed night, min 13°C on Thu morning). Mainly strong winds. | ||||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||||||||||
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 | 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) | WNW 10 | WNW 9 | NNW 8 | N 8 | N 8 | N 7 | N 7 | N 7 | N 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | N 6 | NNW 5 | N 5 | W 9 | NNW 5 | NW 5 | NW 5 | NW 5 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 283 | 237 | 449 | 522 | 408 | 338 | 247 | 240 | 206 | 170 | 139 | 117 | 97 | 82 | 66 | 60 | 30 | 31 | 12 | 13 | 17 | 20 | 21 | 22 |
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 | on | on | on | on | on | cross-on | cross-on | on | on | on | on | on | on | cross-on | on | cross-on | cross-on | cross-on | cross |
High Tide | 11:28PM2.50m | 11:56AM2.38m | 00:29AM2.24m | 1:17PM2.23m | 2:11AM2.11m | 3:09PM2.25m | ||||||||||||||||||
Low Tide | 5:39AM1.05m | 6:12PM1.18m | 6:45AM1.26m | 7:45PM1.34m | 8:25AM1.33m | 9:33PM1.30m | ||||||||||||||||||
 | |  | |  | | |  | |  |  | |  | | |  | | | | | | | | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:53 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:49 | — |
mm | 2 | 2 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 14 | 13 | 13 | 13 | 14 | 14 |
Feels °C | 10 | 9 | 7 | 5 | 5 | 6 | 5 | 5 | 6 | 6 | 7 | 8 | 7 | 8 | 8 | 8 | 9 | 9 | 11 | 10 | 10 | 9 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | WNW 7 | WNW 5 | WNW 7 | N 5 | N 5 | W 9 | W 9 | W 9 | NW 5 |
| kJ | 283 | 237 | 163 | 103 | 71 | 68 | 65 | 45 | 41 | 27 | 26 | 21 | 20 | 11 | 5 | 5 | 11 | 5 | 12 | 13 | 14 | 14 | 6 | 22 |
Swell 2 Height (m) Direction Period (s) | N 10 | NNW 9 | W 16 | W 16 | — | W 16 | W 16 | W 15 | W 15 | W 15 | W 15 | W 17 | W 17 | W 17 | W 8 | W 9 | WNW 7 | W 9 | W 8 | W 9 | WNW 6 | NW 6 | NW 6 | W 9 |
| kJ | 2 | 28 | 5 | 5 | — | 5 | 5 | 4 | 4 | 4 | 4 | 6 | 6 | 6 | 6 | 6 | 5 | 6 | 6 | 13 | 4 | 2 | 2 | 6 |
Swell 3 Height (m) Direction Period (s) | W 16 | W 16 | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | W 16 | W 8 | N 9 | WNW 7 | WNW 7 | W 16 | W 16 | NW 10 | WNW 6 |
| kJ | 5 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 6 | 2 | 4 | 4 | 5 | 5 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | N 6 | N 6 | NNW 8 | N 8 | N 8 | N 7 | N 7 | N 7 | N 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | N 6 | NNW 5 | WNW 5 | WNW 5 | NNW 5 | NW 5 | NW 5 | — |
| kJ | 39 | 94 | 449 | 522 | 408 | 338 | 247 | 240 | 206 | 170 | 139 | 117 | 97 | 82 | 66 | 60 | 30 | 31 | 11 | 11 | 17 | 20 | 21 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 67 | 74 | 779 | 341 | 305 | 441 | 355 | 794 | 401 | 401 | 128 | 406 | 345 | 406 | 318 | 318 | 318 | 259 | 259 | 211 | 209 | 210 | 279 | 331 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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