Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (30 Aug):
- 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 10PM is: 0.6m 9s primary swell from a West direction and 0.4m 7s secondary swell from a North-northwest direction (forecast issued at 06:00pm August 30). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | - | - |
| 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 ForecastModerate rain (total 13mm), heaviest on Tue afternoon. Very mild (max 16°C on Sun afternoon, min 13°C on Mon night). Winds increasing (light winds from the NE on Sun afternoon, strong winds from the NW by Sun night). | |||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | |||||||||||||||||
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 10 | W 9 | W 9 | W 9 | W 9 | WNW 4 | WNW 6 | WNW 7 | WNW 7 | WNW 6 | W 6 | W 6 | W 6 | W 7 | W 7 | W 8 | W 8 | WNW 8 | WNW 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 66 | 58 | 57 | 56 | 39 | 43 | 213 | 286 | 163 | 121 | 75 | 61 | 81 | 158 | 194 | 314 | 301 | 264 | 192 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | 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-off | cross | cross | cross-off |
High Tide | 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 | ||||||||||||||
 |  |  | |  | |  | | |  | | |  | | | | | | | |
 | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | — | 8:30 | — | — | — | — | — | — | — | 8:27 | — | — | — | — | — | — | — | 8:24 | — |
mm | — | 1 | — | — | — | 1 | — | — | — | 1 | — | — | — | — | — | 2 | 2 | 3 | — |
Temp °C | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 15 | 14 | 14 | 13 | 14 | 15 | 15 | 15 | 15 | 15 | 15 |
Feels °C | 15 | 14 | 13 | 13 | 11 | 7 | 8 | 8 | 10 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 11 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 9 | W 9 | W 9 | W 9 | — | N 6 | — | W 10 | W 10 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | N 6 | WNW 8 | WNW 8 |
| kJ | 66 | 58 | 57 | 56 | 39 | — | 1 | — | 49 | 68 | 33 | 21 | 22 | 14 | 9 | 9 | 3 | 264 | 192 |
Swell 2 Height (m) Direction Period (s) | N 7 | N 7 | NNW 7 | NNW 7 | N 7 | — | — | — | — | — | W 9 | WNW 9 | W 9 | — | — | — | — | N 6 | N 6 |
| kJ | 23 | 23 | 15 | 15 | 8 | — | — | — | — | — | 43 | 28 | 39 | — | — | — | — | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 11 | WNW 11 | — | — | — | — | — | — | — | — | — | — | — | — | W 18 | W 18 |
| kJ | — | — | — | 10 | 24 | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NW 3 | WNW 4 | WNW 6 | WNW 7 | WNW 7 | WNW 6 | W 6 | W 6 | W 6 | W 7 | W 7 | W 8 | W 8 | — | — |
| kJ | — | — | — | — | 6 | 43 | 213 | 286 | 163 | 121 | 75 | 61 | 81 | 158 | 194 | 314 | 301 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 21 | 90 | 103 | 28 | 341 | 400 | 428 | 595 | 146 | 146 | 28 | 28 | 146 | 91 | 146 | 146 | 146 | 28 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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