Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (30 Jul):
- Afternoon surf: Afternoon surf (30 Jul, local time) - 3.5ft (1.0m), 7s period with NW swell.
- Evening surf: Evening surf (30 Jul, local time) - 3.5ft (1.0m), 8s period with NNW swell.
The current surf forecast for Ballyhiernan Bay at 9PM is: 1.0m 8s primary swell from a North-northwest direction and 0.7m 7s secondary swell from a West-northwest direction (forecast issued at 06:00pm July 30). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | - | - |
| Afternoon (30 Jul) | 3.5ft (1.0m) | 7s |
| Evening (30 Jul) | 3.5ft (1.0m) | 8s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Fri morning. Very mild (max 14°C on Fri morning, min 12°C on Thu night). Winds decreasing (fresh winds from the W on Sat morning, calm by Sun morning). | |||||||||||||||||||
Thu 30 | Friday 31 | Saturday 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) | NW 7 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | W 7 | W 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 104 | 128 | 97 | 69 | 48 | 45 | 74 | 75 | 77 | 75 | 60 | 58 | 75 | 95 | 113 | 136 | 121 | 104 | 91 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 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 | ||||||||||||||
 | |  |  |  |  |  | | | | | | | |  | | | | | |
 | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | 9:38 | — | — | — | — | — | — | — | 9:37 | — | — | — | — | — | — | — | 9:35 | — |
mm | — | — | — | — | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 |
Feels °C | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 9 | 9 | 10 | 10 | 9 | 8 | 9 | 8 | 8 | 9 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | NW 7 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | W 7 | N 7 | N 7 | N 8 | N 8 | WNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | WNW 7 |
| kJ | 104 | 128 | 97 | 69 | 48 | 45 | 40 | 28 | 29 | 29 | 60 | 18 | 18 | 11 | 10 | 10 | 10 | 10 | 91 |
Swell 2 Height (m) Direction Period (s) | NNW 8 | WNW 6 | WNW 7 | W 7 | W 7 | N 6 | — | W 12 | W 11 | W 11 | NNW 7 | W 10 | W 10 | W 10 | — | W 9 | W 9 | N 10 | N 9 |
| kJ | 24 | 53 | 47 | 44 | 45 | 40 | — | 3 | 3 | 2 | 18 | 2 | 8 | 8 | — | 7 | 6 | 16 | 60 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | W 11 | — | — | — | — | — | N 10 | W 9 | W 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | 8 | 13 | 5 |
Wind waves Height (m) Direction Period (s) | W 7 | — | — | — | — | — | W 7 | WNW 7 | WNW 7 | WNW 7 | — | WNW 7 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | — |
| kJ | 72 | — | — | — | — | — | 74 | 75 | 77 | 75 | — | 58 | 75 | 95 | 113 | 136 | 121 | 104 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1064 | 6 | 6 | 0 | 0 | 6 | 6 | 596 | 1287 | 467 | 146 | 36 | 134 | 128 | 384 | 384 | 384 | 394 | 6 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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