Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (04 Sep):
- Afternoon surf: Afternoon surf (04 Sep, local time) - 11ft (3.5m), 12s period with WNW swell.
- Evening surf: Evening surf (04 Sep, local time) - 11ft (3.5m), 12s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 11PM is: 3.0m 12s primary swell from a West-northwest direction (forecast issued at 06:00pm September 04). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Sep) | - | - |
| Afternoon (04 Sep) | 11ft (3.5m) | 12s |
| Evening (04 Sep) | 11ft (3.5m) | 12s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Fri night. Very mild (max 19°C on Sun afternoon, min 13°C on Sun night). Winds decreasing (strong winds from the W on Fri afternoon, light winds from the SSE by Sat afternoon). | |||||||||||||||||||
Fri 4 | Saturday 5 | Sunday 6 | |||||||||||||||||
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 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | NW 9 | NW 9 | WNW 9 | WNW 8 | W 8 | W 8 | W 9 | WSW 11 | W 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 3741 | 3482 | 2977 | 2525 | 1865 | 1395 | 1092 | 733 | 553 | 422 | 323 | 221 | 108 | 117 | 88 | 89 | 102 | 452 | 588 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | off | off | off | off | off | off | off | cross-off | cross-off | cross |
High Tide | 00:12AM2.45m | 1:03PM2.44m | 2:01AM2.33m | 2:53PM2.53m | |||||||||||||||
Low Tide | 5:47PM0.94m | 6:28AM1.04m | 7:27PM1.08m | 8:12AM1.08m | 9:17PM0.95m | ||||||||||||||
 |  |  |  |  |  | | | |  |  | | | | | | |  |  | |
 | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — |
 | — | 8:16 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:12 | — |
mm | — | — | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
Temp °C | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 14 | 14 | 15 | 17 | 17 | 18 | 19 | 18 | 15 |
Feels °C | 5 | 5 | 6 | 6 | 7 | 8 | 10 | 10 | 11 | 13 | 8 | 7 | 10 | 13 | 11 | 12 | 13 | 15 | 10 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | NW 9 | NW 9 | WNW 9 | WNW 8 | W 8 | W 8 | W 9 | NNW 8 | NNW 8 |
| kJ | — | — | — | — | — | 1395 | 1092 | 733 | 553 | 422 | 323 | 221 | 108 | 117 | 88 | 89 | 102 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NNW 8 | — | NW 8 | NW 8 | NNW 8 | W 19 | W 18 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 58 | — | 30 | 16 | 12 | 7 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | — | — | — | — | — | — | S 3 | S 3 | S 3 | S 3 | SSW 4 | SSW 4 | WSW 11 | W 11 |
| kJ | 3741 | 3482 | 2977 | 2525 | 1865 | — | — | — | — | — | — | 2 | 3 | 3 | 7 | 16 | 24 | 452 | 588 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 794 | 380 | 380 | 366 | 366 | 67 | 145 | 67 | 36 | 0 | 5 | 21 | 26 | 60 | 421 | 421 | 421 | 434 | 146 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
Header Global | |||||||||||||||||||
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