Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 6ft (1.8m), 10s period with WNW swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 5ft (1.6m), 10s period with WNW swell.
- Evening surf: Evening surf (19 Aug, local time) - 4.5ft (1.4m), 10s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 8PM is: 1.5m 10s primary swell from a West-northwest direction (forecast issued at 12:00pm August 19). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 6ft (1.8m) | 10s |
| Afternoon (19 Aug) | 5ft (1.6m) | 10s |
| Evening (19 Aug) | 4.5ft (1.4m) | 10s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Wed morning. Very mild (max 15°C on Wed afternoon, min 13°C on Thu morning). Mainly strong winds. | |||||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | |||||||||||||||||||
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 10 | WNW 10 | WNW 9 | NNW 8 | N 8 | N 8 | N 7 | N 7 | NNW 7 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 600 | 482 | 461 | 399 | 351 | 283 | 237 | 448 | 551 | 475 | 348 | 247 | 277 | 277 | 212 | 170 | 139 | 139 | 117 | 82 | 60 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 11:05AM2.59m | 11:28PM2.50m | 11:56AM2.38m | 00:29AM2.24m | 1:17PM2.23m | ||||||||||||||||
Low Tide | 5:12PM0.90m | 5:39AM1.05m | 6:12PM1.18m | 6:45AM1.26m | 7:45PM1.34m | ||||||||||||||||
 | | | |  |  | |  | |  | | | | | |  | | | | |  | |
 | 6:09 | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | 8:55 | — | — | — | — | — | — | — | 8:53 | — | — | — | — | — | — | — | 8:52 | — |
mm | 3 | 2 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — |
Temp °C | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 |
Feels °C | 11 | 11 | 12 | 13 | 13 | 9 | 8 | 7 | 5 | 5 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 8 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 |
| kJ | 600 | 482 | 461 | 399 | 351 | 283 | 237 | 163 | 105 | 69 | 68 | 65 | 44 | 40 | 27 | 26 | 21 | 20 | 11 | 6 | 10 |
Swell 2 Height (m) Direction Period (s) | W 17 | W 17 | W 17 | — | — | N 10 | NNW 9 | W 16 | W 16 | — | W 16 | W 16 | W 15 | W 15 | W 15 | W 15 | W 17 | W 17 | W 17 | W 9 | W 9 |
| kJ | 6 | 6 | 6 | — | — | 2 | 28 | 5 | 5 | — | 5 | 5 | 4 | 4 | 4 | 4 | 6 | 6 | 6 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 16 | W 16 | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | W 16 |
| kJ | — | — | — | — | — | 5 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | N 5 | NNW 6 | NNW 8 | N 8 | N 8 | N 7 | N 7 | NNW 7 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 |
| kJ | — | — | — | — | — | 34 | 119 | 448 | 551 | 475 | 348 | 247 | 277 | 277 | 212 | 170 | 139 | 139 | 117 | 82 | 60 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 28 | 60 | 67 | 92 | 90 | 128 | 103 | 473 | 441 | 1117 | 348 | 401 | 401 | 351 | 345 | 318 | 401 | 318 | 322 | 318 | 279 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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