Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (28 Sep):
- Morning surf: Morning surf (28 Sep, local time) - 6ft (1.8m), 11s period with WNW swell.
- Afternoon surf: Afternoon surf (28 Sep, local time) - 5ft (1.6m), 11s period with WNW swell.
- Evening surf: Evening surf (28 Sep, local time) - 5ft (1.5m), 10s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 12PM is: 1.7m 11s primary swell from a West-northwest direction and 0.3m 11s secondary swell from a North-northwest direction (forecast issued at 06:00am September 28). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Sep) | 6ft (1.8m) | 11s |
| Afternoon (28 Sep) | 5ft (1.6m) | 11s |
| Evening (28 Sep) | 5ft (1.5m) | 10s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Very mild (max 18°C on Tue night, min 9°C on Wed night). Winds increasing (light winds from the S on Mon morning, near gales from the SE by Tue night). | |||||||||||||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | |||||||||||||||||||||
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) | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | W 12 | W 11 | W 11 | W 11 | W 11 | W 12 | W 11 | W 10 | WNW 13 | W 13 | WNW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 937 | 828 | 745 | 643 | 551 | 478 | 426 | 279 | 328 | 256 | 155 | 104 | 103 | 85 | 59 | 37 | 37 | 44 | 60 | 51 | 131 | 927 | 1497 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | cross-off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | off |
High Tide | 7:38AM3.33m | 7:53PM3.53m | 8:12AM3.33m | 8:29PM3.42m | 8:48AM3.24m | 9:08PM3.21m | |||||||||||||||||
Low Tide | 1:37PM-0.00m | 2:00AM-0.01m | 2:13PM0.05m | 2:36AM0.12m | 2:52PM0.19m | ||||||||||||||||||
 |  |  |  | | | |  | | | |  | | | |  | | | | | | | | |
 | — | 7:26 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:30 | — | — | — | — | — |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:09 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 1 | — | — | — | — | — | — |
Temp °C | 10 | 9 | 10 | 14 | 15 | 14 | 12 | 11 | 12 | 12 | 13 | 15 | 15 | 16 | 18 | 18 | 16 | 14 | 14 | 15 | 15 | 14 | 12 |
Feels °C | 6 | 5 | 6 | 10 | 10 | 10 | 6 | 5 | 5 | 4 | 6 | 7 | 6 | 8 | 9 | 9 | 12 | 7 | 6 | 8 | 10 | 10 | 8 |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | W 12 | W 11 | W 11 | W 11 | W 11 | W 12 | W 11 | W 10 | WNW 13 | W 13 | WNW 13 |
| kJ | 937 | 828 | 745 | 643 | 551 | 478 | 426 | 279 | 328 | 256 | 155 | 104 | 103 | 85 | 59 | 37 | 37 | 44 | 60 | 51 | 131 | 927 | 1497 |
Swell 2 Height (m) Direction Period (s) | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | WNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NW 10 | NNW 11 | NNW 11 | N 10 | N 10 | N 10 | N 10 | WNW 13 | N 9 | N 10 | N 10 |
| kJ | 27 | 27 | 26 | 25 | 25 | 25 | 24 | 99 | 23 | 23 | 22 | 11 | 25 | 11 | 11 | 8 | 8 | 8 | 8 | 32 | 7 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNW 11 | E 5 | — | — | — | NNW 11 | — | — | — | NE 5 | NE 5 | — | N 10 | — | — | — |
| kJ | — | — | — | — | — | — | — | 24 | 1 | — | — | — | 11 | — | — | — | 1 | 1 | — | 7 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | S 2 | — | SSE 2 | SSE 3 | SE 3 | SE 3 | SE 4 | SE 4 | SE 4 | SE 4 | SE 4 | SE 4 | S 4 | S 3 | S 4 | SSW 4 | SW 9 | — | — |
| kJ | — | — | — | — | 1 | — | 1 | 3 | 4 | 8 | 14 | 14 | 15 | 21 | 21 | 30 | 16 | 8 | 18 | 21 | 166 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 28 | 0 | 0 | 26 | 0 | 0 | 5 | 13 | 21 | 329 | 329 | 329 | 400 | 892 | 780 | 318 | 587 | 389 | 1030 | 325 | 325 | 60 | 0 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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