Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (12 Oct):
- Morning surf: Morning surf (12 Oct, local time) - 2.5ft (0.7m), 12s period with W swell.
- Afternoon surf: Afternoon surf (12 Oct, local time) - 2.5ft (0.8m), 12s period with W swell.
- Evening surf: Evening surf (12 Oct, local time) - 2.5ft (0.7m), 11s period with W swell.
The current surf forecast for Ballyhiernan Bay at 12AM is: 0.7m 9s primary swell from a Northwest direction and 0.6m 10s secondary swell from a West-northwest direction (forecast issued at 06:00pm October 11). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Oct) | 2.5ft (0.7m) | 12s |
| Afternoon (12 Oct) | 2.5ft (0.8m) | 12s |
| Evening (12 Oct) | 2.5ft (0.7m) | 11s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Mon night. Very mild (max 18°C on Mon night, min 10°C on Tue night). Winds increasing (light winds from the SSW on Mon morning, near gales from the SSW by Wed morning). | |||||||||||||||||||
Sun 11 | Monday 12 | Tuesday 13 | |||||||||||||||||
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) | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 8 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 9 | W 9 | WNW 10 | WNW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 296 | 188 | 101 | 70 | 48 | 134 | 134 | 174 | 171 | 125 | 123 | 878 | 856 | 743 | 724 | 1039 | 1010 | 901 | 1648 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | cross-off | off | off | cross-off | cross-off | cross | cross-off | cross-off | cross | cross | cross-off | cross-off |
High Tide | 7:20PM3.47m | 7:37AM3.32m | 7:52PM3.33m | 8:07AM3.26m | 8:23PM3.15m | ||||||||||||||
Low Tide | 1:03PM0.04m | 1:24AM0.05m | 1:37PM0.10m | 1:55AM0.18m | 2:11PM0.23m | ||||||||||||||
 |  |  | |  | |  | | |  | | | | |  |  |  | | | |
 | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — |
 | 6:42 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | — | — | 1 | — | — | — | — | — | 1 | 3 | — | — | 1 | 1 | — | — | — |
Temp °C | 13 | 11 | 12 | 13 | 14 | 14 | 14 | 15 | 16 | 17 | 18 | 14 | 13 | 12 | 13 | 12 | 12 | 12 | 11 |
Feels °C | 7 | 4 | 3 | 5 | 7 | 10 | 11 | 14 | 11 | 9 | 13 | 7 | 7 | 6 | 7 | 3 | 4 | 6 | 6 |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 8 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | N 8 | — | W 11 | — | — | NW 14 | NW 13 | WNW 13 |
| kJ | 296 | 188 | 101 | 70 | 48 | 134 | 134 | 174 | 171 | 125 | 123 | 1 | — | 743 | — | — | 221 | 316 | 1648 |
Swell 2 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | NNW 8 | NNW 8 | NNW 8 | WNW 7 | NW 7 | N 7 | — | — | — | — | — | — | — | — |
| kJ | 176 | 129 | 80 | 51 | 37 | 26 | 13 | 11 | 5 | 2 | 1 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 14 | W 12 | E 6 | E 7 | — | N 9 | — | N 8 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 4 | 26 | 1 | 1 | — | 1 | — | 1 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SE 2 | SSE 3 | SSE 4 | S 4 | SSE 4 | S 3 | — | — | S 3 | SSW 4 | W 11 | W 11 | — | W 10 | W 9 | W 9 | WNW 10 | — |
| kJ | — | 1 | 4 | 13 | 13 | 4 | 1 | — | — | 4 | 22 | 878 | 856 | — | 724 | 1039 | 1010 | 901 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 5 | 56 | 296 | 223 | 61 | 0 | 0 | 0 | 13 | 322 | 325 | 340 | 146 | 67 | 331 | 408 | 645 | 36 | 26 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
Header Global | |||||||||||||||||||
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