Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 1.5ft (0.5m), 7s period with N swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 2ft (0.6m), 10s period with W swell.
- Evening surf: Evening surf (30 Aug, local time) - 2ft (0.6m), 9s period with W swell.
The current surf forecast for Ballyhiernan Bay at 10AM is: 0.4m 11s primary swell from a West direction and 0.5m 7s secondary swell from a North direction (forecast issued at 06:00am August 30). The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 1.5ft (0.5m) | 7s |
| Afternoon (30 Aug) | 2ft (0.6m) | 10s |
| Evening (30 Aug) | 2ft (0.6m) | 9s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 40mm), heaviest during Tue night. Very mild (max 15°C on Sun morning, min 13°C on Sun night). Winds decreasing (strong winds from the WNW on Sun night, calm by Tue afternoon). | |||||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||||||||||
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 | N 6 | W 11 | W 10 | W 10 | W 9 | W 9 | W 9 | WNW 5 | WNW 6 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | W 7 | W 7 | W 7 | W 7 | W 8 | WNW 8 | WNW 9 | WNW 8 | WNW 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 19 | 21 | 35 | 49 | 66 | 58 | 57 | 56 | 54 | 265 | 681 | 534 | 270 | 197 | 85 | 110 | 173 | 311 | 516 | 482 | 371 | 262 | 207 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | glassy | cross-off |
High Tide | 8:07AM3.17m | 8:22PM3.47m | 8:38AM3.15m | 8:54PM3.39m | 9:12AM3.08m | 9:29PM3.23m | |||||||||||||||||
Low Tide | 2:03PM0.08m | 2:30AM0.10m | 2:36PM0.13m | 3:03AM0.18m | 3:11PM0.26m | ||||||||||||||||||
 |  | | | | |  | | | | | | |  | |  | | | |  | | | | |
 | 6:31 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:27 | — | — | — | — | — | — | — | 8:24 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 2 | 8 | 9 | 2 | — |
Temp °C | 15 | 14 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 14 | 14 | 15 | 15 | 14 | 14 | 15 | 15 | 15 | 15 | 13 | 13 | 13 |
Feels °C | 15 | 13 | 14 | 13 | 14 | 15 | 14 | 8 | 7 | 4 | 6 | 8 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 12 | 12 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | N 6 | N 6 | N 7 | W 10 | W 10 | W 9 | W 9 | W 9 | N 7 | N 6 | — | — | W 10 | W 10 | NW 7 | W 7 | NNW 6 | NNW 6 | NNW 6 | WNW 8 | WNW 9 | WNW 8 | WNW 8 |
| kJ | 19 | 21 | 23 | 49 | 66 | 58 | 57 | 56 | 8 | 3 | — | — | 68 | 47 | 47 | 110 | 16 | 8 | 4 | 482 | 371 | 262 | 207 |
Swell 2 Height (m) Direction Period (s) | NNW 6 | W 10 | W 11 | N 7 | N 7 | N 7 | NNW 7 | NNW 7 | — | — | — | — | — | — | W 9 | NNW 7 | WNW 9 | — | — | NNW 6 | NNW 6 | NNW 6 | NNW 6 |
| kJ | 4 | 8 | 35 | 23 | 23 | 23 | 15 | 15 | — | — | — | — | — | — | 43 | 29 | 16 | — | — | 4 | 6 | 7 | 12 |
Swell 3 Height (m) Direction Period (s) | W 9 | W 8 | WNW 6 | — | — | — | — | — | — | — | — | — | — | — | — | WNW 9 | — | — | — | — | — | W 18 | W 18 |
| kJ | 6 | 5 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | 28 | — | — | — | — | — | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NW 2 | WNW 5 | WNW 6 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | W 7 | — | W 7 | W 7 | W 8 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 1 | 54 | 265 | 681 | 534 | 270 | 197 | 85 | — | 173 | 311 | 516 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 61 | 21 | 0 | 0 | 0 | 90 | 98 | 142 | 329 | 346 | 380 | 366 | 341 | 36 | 17 | 146 | 146 | 146 | 361 | 384 | 28 | 0 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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