Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (27 Oct):
- Morning surf: Morning surf (27 Oct, local time) - 16ft (5.0m), 14s period with WNW swell.
- Afternoon surf: Afternoon surf (27 Oct, local time) - 15ft (4.5m), 14s period with WNW swell.
- Evening surf: Evening surf (27 Oct, local time) - 13ft (4.0m), 13s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 7PM is: 4.5m 13s primary swell from a West-northwest direction (forecast issued at 11:00am October 27). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Oct) | 16ft (5.0m) | 14s |
| Afternoon (27 Oct) | 15ft (4.5m) | 14s |
| Evening (27 Oct) | 13ft (4.0m) | 13s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Tue night. Very mild (max 14°C on Wed morning, min 10°C on Tue morning). Winds decreasing (near gales from the WSW on Tue morning, light winds from the SSW by Wed afternoon). | |||||||||||||||||||||
Tue 27 | Wednesday 28 | Thursday 29 | |||||||||||||||||||
9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | WNW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | W 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | NW 11 | WNW 10 | WNW 11 | WNW 10 | W 10 | W 10 | WNW 11 | WNW 13 | WNW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 9609 | 8674 | 7596 | 6528 | 5620 | 2652 | 4252 | 3124 | 2137 | 1412 | 1027 | 807 | 588 | 458 | 392 | 306 | 235 | 320 | 422 | 786 | 929 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off |
High Tide | 6:32PM3.49m | 6:52AM3.43m | 7:13PM3.37m | 7:34AM3.36m | 7:59PM3.15m | ||||||||||||||||
Low Tide | 12:16PM-0.00m | 00:37AM-0.00m | 12:57PM0.03m | 1:17AM0.12m | 1:43PM0.17m | ||||||||||||||||
 |  | |  |  | | | | |  | | | |  | | | |  | | |  | |
 | 7:22 | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — |
 | — | — | 5:04 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:00 | — | — |
mm | 1 | — | 1 | 1 | — | 1 | 5 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 10 | 11 | 10 | 11 | 12 | 12 | 13 | 12 | 14 | 14 | 13 | 12 | 12 | 12 | 10 | 10 | 12 | 13 | 12 | 11 |
Feels °C | -2 | -2 | 0 | -1 | 2 | 3 | 4 | 6 | 5 | 7 | 9 | 9 | 8 | 7 | 8 | 5 | 4 | 6 | 6 | 4 | 2 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | WNW 13 | NW 12 | — | — | NNW 11 | NNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 11 | WNW 10 | W 10 | W 10 | WNW 11 | WNW 13 | WNW 13 |
| kJ | — | — | — | — | 5620 | 2237 | — | — | 450 | 657 | 1027 | 807 | 588 | 458 | 392 | 306 | 235 | 320 | 422 | 786 | 929 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NNW 10 | NW 9 | NW 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | 572 | 515 | 524 | 304 | 292 | 196 | 142 | 96 | 60 | 40 | 20 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 14 | — | — | — | — | — | N 12 | N 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 29 | — | — | — | — | — | 3 | 11 |
Wind waves Height (m) Direction Period (s) | WNW 14 | WNW 14 | WNW 14 | WNW 13 | — | W 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | — | — | — | S 2 | S 2 | SSE 2 | SSE 3 | S 3 | S 3 | S 3 | S 4 |
| kJ | 9609 | 8674 | 7596 | 6528 | — | 2652 | 4252 | 3124 | 2137 | 1412 | — | — | — | 1 | 1 | 1 | 2 | 4 | 4 | 8 | 18 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 785 | 1117 | 1222 | 643 | 587 | 587 | 587 | 439 | 366 | 67 | 14 | 17 | 0 | 0 | 0 | 5 | 26 | 60 | 83 | 400 | 400 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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