Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (30 Oct):
- Morning surf: Morning surf (30 Oct, local time) - 4.5ft (1.3m), 13s period with WNW swell.
- Afternoon surf: Afternoon surf (30 Oct, local time) - 4ft (1.2m), 12s period with WNW swell.
- Evening surf: Evening surf (30 Oct, local time) - 4ft (1.2m), 12s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 6AM is: 1.3m 13s primary swell from a West-northwest direction and 0.3m 11s secondary swell from a North-northwest direction (forecast issued at 11:00pm October 29). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Oct) | 4.5ft (1.3m) | 13s |
| Afternoon (30 Oct) | 4ft (1.2m) | 12s |
| Evening (30 Oct) | 4ft (1.2m) | 12s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Fri night. Very mild (max 14°C on Fri afternoon, min 9°C on Sun morning). Winds decreasing (strong winds from the SSE on Thu night, calm by Sat morning). | |||||||||||||||||
Friday 30 | Saturday 31 | ||||||||||||||||
9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||
Wave Height (m) Direction Period (s) | WNW 13 | W 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | NW 15 | WNW 13 | WNW 13 | WNW 12 | WNW 13 | WNW 13 | NW 12 | NW 12 |
Wave Graph  | |||||||||||||||||
 kJ | 915 | 787 | 690 | 590 | 581 | 554 | 447 | 432 | 447 | 418 | 863 | 987 | 797 | 809 | 737 | 637 | 617 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | cross-off | glassy | off | glassy | glassy | on | on | on | on |
High Tide | 7:59PM3.15m | 8:22AM3.20m | 8:50PM2.87m | 9:18AM3.00m | |||||||||||||
Low Tide | 2:01AM0.32m | 2:34PM0.38m | 2:51AM0.56m | 3:36PM0.63m | |||||||||||||
 |  |  | |  |  | | |  | | | | | |  | | | |
 | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — |
 | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:54 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 4 | — | — | 1 | — | — |
Temp °C | 11 | 10 | 10 | 10 | 11 | 13 | 14 | 14 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 |
Feels °C | 3 | 1 | 0 | 0 | 2 | 5 | 7 | 9 | 11 | 12 | 10 | 10 | 11 | 9 | 7 | 6 | 6 |
Swell 1 Height (m) Direction Period (s) | WNW 13 | W 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 13 | WNW 13 | WNW 12 | WNW 13 | WNW 13 | NW 12 | NW 12 |
| kJ | 915 | 787 | 690 | 590 | 581 | 554 | 447 | 432 | 447 | 325 | 863 | 987 | 797 | 809 | 737 | 637 | 617 |
Swell 2 Height (m) Direction Period (s) | NW 9 | NW 9 | NNW 11 | NNW 11 | NNW 11 | NNW 12 | NNW 12 | NW 15 | NW 15 | NW 15 | N 10 | N 10 | N 10 | N 10 | N 9 | N 9 | N 9 |
| kJ | 20 | 19 | 13 | 25 | 25 | 26 | 26 | 84 | 191 | 418 | 18 | 17 | 17 | 7 | 6 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | N 12 | NNW 11 | NNW 8 | — | N 8 | — | — | NNW 11 | NNW 11 | N 11 | — | — | — | — | — | — | — |
| kJ | 11 | 13 | 7 | — | 1 | — | — | 24 | 23 | 20 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 3 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 17 | 27 | 27 | 27 | 21 | 15 | 4 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 400 | 400 | 361 | 355 | 91 | 214 | 26 | 5 | 0 | 0 | 0 | 0 | 0 | 36 | 259 | 90 | 90 |
Best forecast wave conditions in Donegal | |||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||
Header Global | |||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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