Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 3ft (0.9m), 7s period with W swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 3.5ft (1.0m), 7s period with W swell.
- Evening surf: Evening surf (31 Jul, local time) - 3.5ft (1.0m), 7s period with W swell.
The current surf forecast for Ballyhiernan Bay at 12PM is: 0.9m 7s primary swell from a West direction and 0.5m 7s secondary swell from a North direction, 0.1m 12s secondary swell from a West direction (forecast issued at 06:00am July 31). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 3ft (0.9m) | 7s |
| Afternoon (31 Jul) | 3.5ft (1.0m) | 7s |
| Evening (31 Jul) | 3.5ft (1.0m) | 7s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Sun night. Very mild (max 18°C on Sun afternoon, min 12°C on Sat night). Winds decreasing (fresh winds from the W on Fri morning, light winds from the ENE by Sun night). | |||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | |||||||||||||||||||||
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 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | N 9 | NW 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 48 | 45 | 77 | 94 | 94 | 92 | 89 | 90 | 88 | 95 | 121 | 114 | 121 | 104 | 74 | 76 | 99 | 104 | 104 | 88 | 88 | 76 | 57 |
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 | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross-off | cross-off | off | cross-off | cross | cross-off | off | cross |
High Tide | 8:03AM2.96m | 8:22PM3.32m | 8:35AM2.96m | 8:53PM3.31m | 9:07AM2.93m | 9:25PM3.25m | |||||||||||||||||
Low Tide | 2:01PM0.24m | 2:30AM0.32m | 2:31PM0.24m | 3:02AM0.32m | 3:03PM0.28m | ||||||||||||||||||
 |  |  |  |  | |  | | |  | | | | | |  | | | | | | |  | |
 | 5:35 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — |
 | — | — | — | — | — | 9:37 | — | — | — | — | — | — | — | 9:35 | — | — | — | — | — | — | — | 9:32 | — |
mm | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 13 | 12 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 12 | 12 | 14 | 16 | 18 | 17 | 14 |
Feels °C | 10 | 9 | 10 | 8 | 8 | 9 | 9 | 9 | 9 | 7 | 8 | 9 | 9 | 11 | 12 | 11 | 11 | 10 | 13 | 14 | 16 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | NNW 7 | W 7 | N 7 | N 8 | N 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | N 7 | NNW 7 | N 7 | N 7 | WNW 6 | WNW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 |
| kJ | 48 | 45 | 40 | 29 | 29 | 19 | 18 | 18 | 11 | 11 | 9 | 10 | 9 | 9 | 74 | 76 | 99 | 104 | 104 | 88 | 88 | 58 | 57 |
Swell 2 Height (m) Direction Period (s) | W 7 | NNW 6 | — | W 12 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | — | W 9 | N 10 | N 10 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 |
| kJ | 45 | 43 | — | 3 | 3 | 2 | 2 | 2 | 8 | 8 | — | 7 | 2 | 16 | 42 | 60 | 60 | 60 | 60 | 60 | 59 | 76 | 55 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 10 | W 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 13 | 12 | 5 | 6 | 5 | 5 | 1 | 6 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | — | — | W 7 | W 7 | W 7 | W 7 | W 7 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | — | — | — | — | — | — | — | — | NE 4 |
| kJ | — | — | 77 | 94 | 94 | 92 | 89 | 90 | 88 | 95 | 121 | 114 | 121 | 104 | — | — | — | — | — | — | — | — | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 6 | 6 | 596 | 432 | 902 | 146 | 134 | 145 | 128 | 368 | 384 | 384 | 146 | 6 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 5 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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