Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (25 Oct):
- Morning surf: Morning surf (25 Oct, local time) - 21ft (6.5m), 14s period with NW swell.
- Afternoon surf: Afternoon surf (25 Oct, local time) - 18ft (5.5m), 13s period with NW swell.
- Evening surf: Evening surf (25 Oct, local time) - 11ft (3.5m), 12s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 1AM is: 7.5m 16s primary swell from a Northwest direction (forecast issued at 06:00pm October 24). The wind direction is predicted to be cross-onshore and the swell rating is 11.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Oct) | 21ft (6.5m) | 14s |
| Afternoon (25 Oct) | 18ft (5.5m) | 13s |
| Evening (25 Oct) | 11ft (3.5m) | 12s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 28mm), heaviest during Sat afternoon. Very mild (max 16°C on Mon afternoon, min 8°C on Sat afternoon). Winds decreasing (stormy winds from the W on Sat night, light winds from the SSE by Sun night). | |||||||||||||||||||
Sat 24 | Sunday 25 | Monday 26 | |||||||||||||||||
4 PM | 7 PM | 10 PM | 1 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 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) | W 11 | WNW 13 | WNW 16 | WNW 16 | NW 16 | NW 15 | NW 14 | NW 14 | NW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 11 | W 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 4249 | 10537 | 28336 | 30489 | 26416 | 21122 | 17843 | 14950 | 11127 | 5534 | 3230 | 2229 | 1488 | 1074 | 673 | 489 | 333 | 400 | 859 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | off | off | off | off | off | off | cross-off |
High Tide | 5:40PM3.27m | 6:03AM3.15m | 6:15PM3.43m | 6:38AM3.32m | 6:52PM3.51m | ||||||||||||||
Low Tide | 11:51PM0.15m | 12:00PM0.19m | 00:24AM0.01m | 12:37PM0.05m | |||||||||||||||
 |  | | |  |  | |  |  |  |  | | | |  | | | | | |
 | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 8:21 | — | — | — | — | — |
 | 6:10 | — | — | — | — | — | — | — | 5:08 | — | — | — | — | — | — | — | 6:06 | — | — |
mm | 5 | 1 | 1 | 2 | 1 | 2 | 1 | — | — | — | — | — | — | 1 | 3 | 4 | 1 | — | 1 |
Temp °C | 8 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 11 | 11 | 11 | 9 | 8 | 10 | 13 | 16 | 16 | 15 |
Feels °C | -7 | -6 | -7 | -8 | -6 | -7 | -6 | -6 | -3 | -1 | 1 | 5 | 4 | 2 | 0 | 5 | 11 | 10 | 6 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NNW 13 | NNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 11 | W 11 |
| kJ | — | — | — | — | — | — | — | — | — | 2532 | 2094 | 2229 | 1488 | 1074 | 673 | 489 | 333 | 400 | 859 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | NNW 12 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 1530 | 1144 | 759 | 478 | 326 | 173 | 115 | 65 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 18 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 |
Wind waves Height (m) Direction Period (s) | W 11 | WNW 13 | WNW 16 | WNW 16 | NW 16 | NW 15 | NW 14 | NW 14 | NW 13 | WNW 13 | WNW 12 | — | — | — | SSE 3 | SSE 4 | S 4 | S 4 | — |
| kJ | 4249 | 10537 | 28336 | 30489 | 26416 | 21122 | 17843 | 14950 | 11127 | 5534 | 3230 | — | — | — | 8 | 18 | 10 | 9 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1111 | 428 | 345 | 393 | 1111 | 1063 | 1111 | 1121 | 794 | 380 | 366 | 10 | 0 | 5 | 214 | 151 | 50 | 331 | 400 |
Best forecast wave conditions in Donegal | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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