Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (04 Sep):
- Morning surf: Morning surf (04 Sep, local time) - 11ft (3.5m), 12s period with WNW swell.
- Afternoon surf: Afternoon surf (04 Sep, local time) - 11ft (3.5m), 12s period with WNW swell.
- Evening surf: Evening surf (04 Sep, local time) - 10ft (3.0m), 12s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 8AM is: 3.5m 11s primary swell from a West-northwest direction and 0.2m 9s secondary swell from a North direction (forecast issued at 12:00am September 04). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Sep) | 11ft (3.5m) | 12s |
| Afternoon (04 Sep) | 11ft (3.5m) | 12s |
| Evening (04 Sep) | 10ft (3.0m) | 12s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Thu night. Very mild (max 19°C on Sun afternoon, min 14°C on Thu night). Winds decreasing (near gales from the WSW on Thu night, light winds from the SSE by Sat afternoon). | ||||||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||||||||||
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 | 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) | W 9 | W 10 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | NW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | W 9 | W 9 | W 10 | W 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 709 | 1343 | 3114 | 4079 | 3425 | 3368 | 3321 | 2813 | 2381 | 1815 | 1301 | 974 | 733 | 553 | 422 | 339 | 202 | 173 | 147 | 151 | 96 | 102 | 320 | 663 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | off | off | off | off | off | off | off | off | cross-off | cross-off |
High Tide | 10:59PM2.72m | 11:32AM2.57m | 00:12AM2.45m | 1:03PM2.44m | 2:01AM2.33m | 2:53PM2.53m | ||||||||||||||||||
Low Tide | 5:12AM0.82m | 5:47PM0.94m | 6:28AM1.04m | 7:27PM1.08m | 8:12AM1.08m | 9:17PM0.95m | ||||||||||||||||||
 |  |  | |  | |  | | | | | | | |  |  | | | | | | |  |  | |
 | — | 6:41 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:16 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:12 | — |
mm | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
Temp °C | 15 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 15 | 15 | 14 | 15 | 15 | 17 | 18 | 19 | 19 | 18 |
Feels °C | 9 | 5 | 4 | 7 | 7 | 5 | 6 | 7 | 7 | 8 | 9 | 9 | 10 | 12 | 13 | 10 | 7 | 10 | 10 | 13 | 13 | 14 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | N 10 | N 9 | N 9 | N 9 | N 9 | — | — | — | — | WNW 11 | WNW 11 | NW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | W 9 | W 9 | W 10 | NNW 8 |
| kJ | 16 | 15 | 6 | 6 | 2 | — | — | — | — | 1815 | 1301 | 974 | 733 | 553 | 422 | 339 | 202 | 173 | 147 | 151 | 96 | 102 | 320 | 6 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 10 | — | NW 8 | NW 8 | NNW 8 | W 18 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | 18 | 17 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 9 | W 10 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | — | — | — | — | — | — | — | S 3 | S 3 | S 3 | S 3 | SSW 4 | SSW 4 | S 4 | W 11 |
| kJ | 709 | 1343 | 3114 | 4079 | 3425 | 3368 | 3321 | 2813 | 2381 | — | — | — | — | — | — | — | 4 | 5 | 3 | 7 | 14 | 24 | 5 | 663 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 36 | 341 | 421 | 593 | 803 | 794 | 380 | 380 | 366 | 366 | 67 | 67 | 67 | 28 | 0 | 0 | 26 | 26 | 26 | 66 | 151 | 400 | 411 | 421 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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