Surf Forecasts:
How big are the waves at Ballyhiernan Bay today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 5ft (1.6m), 9s period with WNW swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 5ft (1.6m), 9s period with WNW swell.
- Evening surf: Evening surf (11 Sep, local time) - 5.5ft (1.7m), 11s period with WNW swell.
The current surf forecast for Ballyhiernan Bay at 3AM is: 1.5m 10s primary swell from a West direction (forecast issued at 12:00am September 11). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 5ft (1.6m) | 9s |
| Afternoon (11 Sep) | 5ft (1.6m) | 9s |
| Evening (11 Sep) | 5.5ft (1.7m) | 11s |
Table - waves today at Ballyhiernan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Fri night. Very mild (max 17°C on Fri night, min 12°C on Fri night). Winds decreasing (strong winds from the S on Fri night, calm by Sun afternoon). | ||||||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||||||||||
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 | 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 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 11 | WNW 11 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 458 | 463 | 452 | 363 | 387 | 405 | 368 | 726 | 575 | 1569 | 1605 | 1694 | 1694 | 1453 | 1158 | 988 | 821 | 634 | 513 | 368 | 296 | 245 | 208 | 181 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | off | off | cross-off | cross-off | cross | cross-on | on | on | cross-on | cross | glassy | glassy | off | glassy | on | glassy | off |
High Tide | 6:56AM3.26m | 7:13PM3.72m | 7:32AM3.32m | 7:48PM3.68m | 8:05AM3.31m | 8:22PM3.53m | ||||||||||||||||||
Low Tide | 00:47AM-0.06m | 12:51PM-0.06m | 1:22AM-0.12m | 1:27PM-0.10m | 1:56AM-0.07m | 2:03PM-0.03m | ||||||||||||||||||
 |  |  |  | | |  |  |  | |  | | | | | | |  | | | | | | | |
 | — | 6:54 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:59 | — | — | — | — | — | — | — | 7:57 | — | — | — | — | — | — | — | 7:53 | — |
mm | 1 | — | — | — | — | — | — | — | 5 | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 14 | 12 | 15 | 17 | 17 | 16 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 16 | 17 | 16 | 17 |
Feels °C | 9 | 8 | 8 | 8 | 10 | 12 | 13 | 8 | 4 | 10 | 12 | 13 | 14 | 13 | 13 | 13 | 14 | 13 | 13 | 12 | 16 | 16 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | WNW 9 | WNW 9 | WNW 9 | WNW 11 | WNW 11 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 |
| kJ | — | — | — | — | 387 | 405 | 368 | 726 | 575 | 1569 | 1605 | 1694 | 1694 | 1453 | 1158 | 988 | 821 | 634 | 513 | 368 | 296 | 245 | 208 | 181 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | NW 12 | NW 15 | NW 13 | — | N 10 | N 10 | N 10 | — | — | — | — | — | — | W 10 | W 9 | W 9 | W 9 | N 13 |
| kJ | — | — | — | — | — | — | 137 | 77 | 398 | — | 2 | 2 | 2 | — | — | — | — | — | — | 64 | 61 | 40 | 41 | 92 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | NW 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | N 16 | NNW 15 | NNW 14 | W 9 |
| kJ | — | — | — | — | — | — | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 23 | 66 | 40 |
Wind waves Height (m) Direction Period (s) | W 10 | WNW 10 | WNW 10 | WNW 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 458 | 463 | 452 | 363 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 421 | 380 | 366 | 341 | 146 | 128 | 67 | 36 | 0 | 5 | 366 | 366 | 50 | 28 | 146 | 28 | 34 | 0 | 21 | 90 | 0 | 0 | 0 | 13 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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