Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 3.5ft (1.1m), 6s period with NNW swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 3.5ft (1.1m), 6s period with NNW swell.
- Evening surf: Evening surf (21 Jul, local time) - 3.5ft (1.1m), 6s period with NNW swell.
The current surf forecast for Ballyhiernan Bay at 12PM is: 1.1m 6s primary swell from a North-northwest direction and 0.4m 10s secondary swell from a West-northwest direction (forecast issued at 06:00am July 21). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 3.5ft (1.1m) | 6s |
| Afternoon (21 Jul) | 3.5ft (1.1m) | 6s |
| Evening (21 Jul) | 3.5ft (1.1m) | 6s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 14°C on Wed morning, min 11°C on Tue afternoon). Wind will be generally light. | |||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
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) | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NW 7 | NW 6 | NNW 6 | NNW 6 | NW 6 | NW 6 | NW 6 | NW 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 80 | 82 | 82 | 82 | 82 | 79 | 82 | 87 | 99 | 88 | 91 | 75 | 59 | 57 | 57 | 44 | 43 | 26 | 26 | 31 | 18 | 30 | 45 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 12:03PM2.50m | 00:29AM2.60m | 1:04PM2.37m | 1:35AM2.39m | 2:19PM2.32m | ||||||||||||||||||
Low Tide | 5:53AM0.76m | 6:04PM0.87m | 6:47AM0.96m | 7:10PM1.08m | 7:52AM1.11m | 8:31PM1.18m | |||||||||||||||||
 |  | | | | |  | | | | | |  |  | | | | | | | | | | |
 | 5:18 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — |
 | — | — | — | — | — | 9:53 | — | — | — | — | — | — | — | 9:52 | — | — | — | — | — | — | — | 9:51 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 12 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 13 |
Feels °C | 8 | 9 | 8 | 8 | 6 | 6 | 7 | 8 | 9 | 9 | 11 | 12 | 12 | 12 | 13 | 13 | 11 | 12 | 11 | 11 | 10 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NW 7 | NW 6 | NNW 6 | NNW 6 | NW 6 | NW 6 | WNW 8 | NW 6 |
| kJ | 33 | 32 | 32 | 31 | 17 | 17 | 16 | 16 | 16 | 88 | 91 | 75 | 59 | 57 | 57 | 44 | 43 | 26 | 26 | 31 | 18 | 13 | 45 |
Swell 2 Height (m) Direction Period (s) | W 18 | W 18 | — | — | — | — | — | — | W 16 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | — | WNW 8 |
| kJ | 6 | 6 | — | — | — | — | — | — | 5 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | — | 14 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 16 | — | — | — | — | — | — | — | — | — | — | — | — | NW 12 |
| kJ | — | — | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | 5 |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | — | — | — | — | — | — | — | — | — | — | — | WNW 3 | NW 6 | — |
| kJ | 80 | 82 | 82 | 82 | 82 | 79 | 82 | 87 | 99 | — | — | — | — | — | — | — | — | — | — | — | 2 | 30 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 332 | 332 | 363 | 1222 | 1222 | 336 | 336 | 332 | 332 | 332 | 6 | 90 | 1301 | 6 | 6 | 28 | 28 | 28 | 28 | 30 | 463 | 463 | 146 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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