Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (27 Jul):
- Morning surf: Morning surf (27 Jul, local time) - 5ft (1.6m), 10s period with WNW swell.
- Afternoon surf: Afternoon surf (27 Jul, local time) - 4.5ft (1.3m), 10s period with WNW swell.
- Evening surf: Evening surf (27 Jul, local time) - 4ft (1.2m), 9s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 7PM is: 1.3m 10s primary swell from a West-northwest direction and 0.7m 10s secondary swell from a North direction (forecast issued at 12:00pm July 27). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Jul) | 5ft (1.6m) | 10s |
| Afternoon (27 Jul) | 4.5ft (1.3m) | 10s |
| Evening (27 Jul) | 4ft (1.2m) | 9s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Wed morning. Very mild (max 18°C on Mon night, min 12°C on Wed night). Mainly fresh winds. | |||||||||||||||||||||
Mon 27 | Tuesday 28 | Wednesday 29 | |||||||||||||||||||
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 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 446 | 386 | 312 | 283 | 227 | 188 | 173 | 225 | 345 | 313 | 240 | 266 | 283 | 200 | 165 | 161 | 161 | 137 | 107 | 105 | 81 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-on | cross | cross-on | cross | cross-off |
High Tide | 6:11PM2.88m | 6:26AM2.74m | 6:46PM3.05m | 7:00AM2.85m | 7:19PM3.19m | ||||||||||||||||
Low Tide | 11:48AM0.76m | 00:18AM0.71m | 12:25PM0.58m | 00:54AM0.56m | 12:58PM0.43m | ||||||||||||||||
 | | | |  | | | | | | |  |  | | |  | | | | |  | |
 | 5:28 | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — |
 | — | — | — | 9:44 | — | — | — | — | — | — | — | 9:43 | — | — | — | — | — | — | — | 9:40 | — |
mm | — | — | — | — | 1 | 2 | 2 | — | — | — | — | — | — | — | — | 1 | 3 | 1 | — | — | — |
Temp °C | 15 | 15 | 16 | 15 | 15 | 16 | 16 | 18 | 17 | 18 | 18 | 18 | 17 | 16 | 15 | 14 | 13 | 14 | 14 | 14 | 14 |
Feels °C | 13 | 14 | 15 | 13 | 14 | 15 | 14 | 15 | 11 | 14 | 14 | 15 | 15 | 14 | 13 | 12 | 11 | 11 | 10 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | N 9 | N 9 | N 9 | N 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 |
| kJ | 446 | 386 | 312 | 283 | 227 | 188 | 173 | 60 | 41 | 41 | 41 | 266 | 283 | 200 | 165 | 161 | 161 | 137 | 107 | 105 | 81 |
Swell 2 Height (m) Direction Period (s) | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 9 | — | — | — | — | N 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | N 8 | N 8 | NNW 11 | NNW 10 |
| kJ | 96 | 96 | 96 | 96 | 94 | 90 | 61 | — | — | — | — | 41 | 27 | 27 | 26 | 26 | 26 | 13 | 12 | 22 | 77 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 11 | N 8 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 13 | 5 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 9 | W 8 | W 8 | W 8 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 225 | 345 | 313 | 240 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 6 | 0 | 0 | 6 | 0 | 0 | 0 | 17 | 346 | 421 | 17 | 14 | 13 | 13 | 0 | 0 | 28 | 28 | 112 | 129 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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