Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (30 Jul):
- Morning surf: Morning surf (30 Jul, local time) - 4.5ft (1.4m), 8s period with WNW swell.
- Afternoon surf: Afternoon surf (30 Jul, local time) - 3ft (0.9m), 7s period with NNW swell.
- Evening surf: Evening surf (30 Jul, local time) - 3ft (0.9m), 8s period with NNW swell.
The current surf forecast for Ballyhiernan Bay at 5PM is: 0.9m 7s primary swell from a North-northwest direction and 0.4m 8s secondary swell from a North-northwest direction, 0.9m 7s secondary swell from a West-northwest direction (forecast issued at 12:00pm July 30). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | 4.5ft (1.4m) | 8s |
| Afternoon (30 Jul) | 3ft (0.9m) | 7s |
| Evening (30 Jul) | 3ft (0.9m) | 8s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Thu night. Very mild (max 14°C on Thu morning, min 12°C on Thu night). Winds decreasing (fresh winds from the W on Thu morning, light winds from the SSE by Sat night). | |||||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | |||||||||||||||||||
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) | WNW 8 | WNW 7 | NNW 7 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | W 7 | W 7 | W 7 | WNW 7 | W 7 | WNW 7 | WNW 7 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 7 | WNW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 277 | 263 | 93 | 128 | 97 | 67 | 48 | 45 | 74 | 92 | 75 | 92 | 77 | 58 | 60 | 57 | 80 | 100 | 114 | 107 | 91 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross |
High Tide | 7:32AM2.93m | 7:51PM3.28m | 8:03AM2.96m | 8:22PM3.32m | 8:35AM2.96m | 8:53PM3.31m | |||||||||||||||
Low Tide | 1:30PM0.31m | 1:59AM0.36m | 2:01PM0.24m | 2:30AM0.32m | 2:31PM0.24m | ||||||||||||||||
 | | | |  |  | |  |  | | | |  | | | |  | | | | | |
 | 5:33 | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | — | — | 9:38 | — | — | — | — | — | — | — | 9:37 | — | — | — | — | — | — | — | 9:35 | — |
mm | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 14 | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 |
Feels °C | 7 | 8 | 9 | 10 | 11 | 9 | 9 | 9 | 8 | 9 | 9 | 9 | 10 | 9 | 8 | 8 | 9 | 8 | 9 | 10 | 12 |
Swell 1 Height (m) Direction Period (s) | N 8 | N 8 | NNW 7 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | W 7 | N 7 | N 7 | N 8 | NNW 8 | NNW 7 | WNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | N 7 | NNW 7 | WNW 7 |
| kJ | 52 | 35 | 93 | 128 | 97 | 67 | 48 | 45 | 40 | 28 | 29 | 19 | 18 | 58 | 18 | 10 | 10 | 10 | 9 | 17 | 91 |
Swell 2 Height (m) Direction Period (s) | — | — | NNW 8 | — | WNW 7 | W 7 | W 7 | NNW 6 | — | W 12 | W 11 | W 11 | W 11 | NNW 7 | W 10 | W 10 | W 9 | — | W 9 | N 10 | N 9 |
| kJ | — | — | 24 | — | 47 | 44 | 45 | 43 | — | 3 | 3 | 2 | 2 | 18 | 8 | 8 | 7 | — | 6 | 18 | 60 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 10 | — | — | NW 8 | — | N 10 | W 9 | W 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | 2 | — | 2 | 13 | 12 |
Wind waves Height (m) Direction Period (s) | WNW 8 | WNW 7 | W 7 | WNW 6 | — | — | — | — | W 7 | W 7 | WNW 7 | W 7 | WNW 7 | — | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 7 | — |
| kJ | 277 | 263 | 72 | 53 | — | — | — | — | 74 | 92 | 75 | 92 | 77 | — | 60 | 57 | 80 | 100 | 114 | 107 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 416 | 432 | 520 | 794 | 6 | 0 | 0 | 6 | 6 | 2366 | 2338 | 902 | 146 | 134 | 36 | 36 | 368 | 384 | 384 | 384 | 6 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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