Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (04 Aug):
- Afternoon surf: Afternoon surf (04 Aug, local time) - 2.5ft (0.8m), 8s period with NNW swell.
- Evening surf: Evening surf (04 Aug, local time) - 3ft (0.9m), 9s period with NNW swell.
The current surf forecast for Ballyhiernan Bay at 11PM is: 0.8m 9s primary swell from a North-northwest direction and 0.1m 10s secondary swell from a West direction, 0.9m 5s secondary swell from a West-northwest direction (forecast issued at 06:00pm August 04). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Aug) | - | - |
| Afternoon (04 Aug) | 2.5ft (0.8m) | 8s |
| Evening (04 Aug) | 3ft (0.9m) | 9s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Wed morning. Very mild (max 16°C on Tue afternoon, min 13°C on Wed morning). Winds increasing (light winds from the W on Tue afternoon, strong winds from the NW by Wed morning). | |||||||||||||||||||
Tue 4 | Wednesday 5 | Thursday 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) | NNW 8 | NNW 8 | NNW 9 | NW 8 | NW 10 | NW 7 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 6 | WNW 6 | N 6 | WNW 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 85 | 92 | 137 | 232 | 479 | 315 | 717 | 962 | 1225 | 1325 | 1052 | 650 | 283 | 156 | 99 | 56 | 31 | 26 | 26 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off |
High Tide | 10:37PM2.98m | 11:02AM2.65m | 11:25PM2.79m | 11:58AM2.52m | |||||||||||||||
Low Tide | 4:16PM0.53m | 4:52AM0.59m | 5:03PM0.72m | 5:43AM0.77m | 6:04PM0.90m | ||||||||||||||
 | |  |  |  |  | | | | | |  | |  | | |  | | | |
 | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — |
 | — | 9:29 | — | — | — | — | — | — | — | 9:27 | — | — | — | — | — | — | — | 9:24 | — |
mm | — | — | — | — | 1 | 1 | 3 | 3 | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — |
Temp °C | 16 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 14 | 15 | 15 | 14 |
Feels °C | 14 | 10 | 9 | 9 | 8 | 6 | 4 | 5 | 4 | 5 | 7 | 8 | 7 | 8 | 8 | 10 | 10 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | NNW 8 | NNW 8 | NNW 9 | NNW 10 | — | — | — | — | — | — | — | — | NNW 8 | NNW 7 | NNW 7 | NNW 6 | N 6 | N 6 | N 6 |
| kJ | 85 | 92 | 137 | 41 | — | — | — | — | — | — | — | — | 283 | 156 | 99 | 56 | 29 | 26 | 12 |
Swell 2 Height (m) Direction Period (s) | W 9 | W 9 | W 11 | W 10 | — | — | — | — | — | — | — | — | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 |
| kJ | 2 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | 10 | 10 | 9 | 9 | 9 | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | W 11 | W 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | WNW 3 | WNW 5 | NW 8 | NW 10 | NW 7 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NNW 8 | W 6 | WNW 6 | W 6 | W 6 | WNW 6 | W 5 | WNW 5 |
| kJ | — | 6 | 33 | 232 | 479 | 315 | 717 | 962 | 1225 | 1325 | 1052 | 650 | 62 | 64 | 32 | 31 | 31 | 24 | 26 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 322 | 322 | 318 | 232 | 346 | 345 | 387 | 409 | 419 | 794 | 674 | 674 | 345 | 146 | 358 | 331 | 331 | 331 | 151 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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