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) - 4.5ft (1.3m), 12s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 1AM is: 1.4m 13s primary swell from a West-northwest direction and 0.4m 9s secondary swell from a Northwest direction (forecast issued at 05:00pm October 29). An open ocean swell of 0.8m 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) | 4.5ft (1.3m) | 12s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Fri night. Very mild (max 15°C on Fri afternoon, min 9°C on Sun morning). Winds decreasing (strong winds from the SSE on Thu night, light winds from the SSW by Sat morning). | |||||||||||||||||||
Thu 29 | Friday 30 | Saturday 31 | |||||||||||||||||
3 PM | 6 PM | 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 11 | WNW 13 | 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 | WNW 12 | NW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 430 | 799 | 915 | 787 | 690 | 590 | 581 | 476 | 447 | 432 | 519 | 418 | 863 | 888 | 797 | 809 | 737 | 714 | 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 | off | off | off | off | off | off | cross-off | cross-on | cross-on | cross-on | cross-on |
High Tide | 7:59PM3.15m | 8:22AM3.20m | 8:50PM2.87m | 9:18AM3.00m | |||||||||||||||
Low Tide | 1:43PM0.17m | 2:01AM0.32m | 2:34PM0.38m | 2:51AM0.56m | 3:36PM0.63m | ||||||||||||||
 |  |  |  | | |  | |  | | |  | | |  | | | | | |
 | — | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — |
 | 5:00 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 3 | 1 | 1 | — | — | — |
Temp °C | 13 | 12 | 11 | 10 | 10 | 10 | 11 | 13 | 14 | 15 | 13 | 12 | 12 | 12 | 12 | 11 | 10 | 10 | 10 |
Feels °C | 7 | 6 | 3 | 1 | 0 | 0 | 2 | 5 | 8 | 10 | 10 | 11 | 10 | 11 | 11 | 9 | 6 | 6 | 6 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 13 | 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 | WNW 12 | NW 12 |
| kJ | 430 | 799 | 915 | 787 | 690 | 590 | 581 | 476 | 447 | 432 | 519 | 325 | 863 | 888 | 797 | 809 | 737 | 714 | 617 |
Swell 2 Height (m) Direction Period (s) | NW 9 | NW 9 | 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 | 70 | 40 | 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 | N 12 | NNW 11 | NNW 8 | — | N 8 | — | — | NNW 11 | NNW 11 | N 11 | — | — | — | — | — | — | — |
| kJ | — | 3 | 11 | 13 | 7 | — | 1 | — | — | 24 | 23 | 20 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 3 | S 3 | S 3 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | — | — | — | — | — | — | — | — | — |
| kJ | 5 | 5 | 11 | 18 | 24 | 20 | 19 | 21 | 15 | 4 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 83 | 400 | 400 | 400 | 361 | 355 | 92 | 355 | 60 | 5 | 0 | 0 | 0 | 0 | 0 | 28 | 36 | 209 | 90 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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