Surf Forecasts:
Dunfanaghy (Killahoey Beach) surf forecast from 7 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 1PM (local time) - 4.5ft (1.3m), 9s period, NNW swell with offshore winds.
- Most powerful swell: Wednesday 9 Sep, 1AM (local time) - 8ft (2.5m), 10s period, NNW swell with 1,233 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 1PM (local time) - 4.5ft (1.3m), 9s period with NNW swell.
Best Forecast Surf Conditions for Dunfanaghy (Killahoey Beach) this week:
The surf forecast for Dunfanaghy (Killahoey Beach) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 09) at 1PM. The primary swell is predicted to be 1.3m and 9s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Dunfanaghy (Killahoey Beach) in the next 16 days are 2.5m 10s and forecast to arrive on Wednesday (Sep 09) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 11s period and expected on Tuesday (Sep 08) at 1AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Wed 9th Sep) | 4.5ft (1.3m) 9s |
| Best Surf | 1PM (Wed 9th Sep) | 4.5ft (1.3m) 9s |
| Most Powerful | 1AM (Wed 9th Sep) | 8ft (2.5m) 10s |
Table - best surf conditions forecast for Dunfanaghy (Killahoey Beach) over the next 16 days.
Short Range ForecastLight rain (total 4mm), mostly falling on Mon afternoon. Very mild (max 16°C on Thu morning, min 12°C on Wed night). Winds decreasing (strong winds from the W on Mon night, light winds from the S by Wed night). | Days 5-7 Weather SummaryLight rain (total 5mm), mostly falling on Sat morning. Very mild (max 17°C on Sat afternoon, min 11°C on Fri night). Winds increasing (light winds from the SSE on Fri night, strong winds from the WNW by Sat night). | |||||||||||||||||||
Mon 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | W 10 | W 11 | WNW 10 | NW 11 | NNW 10 | NNW 9 | N 8 | N 8 | N 7 | N 7 | N 8 | WNW 9 | WNW 9 | NW 13 | WNW 13 | N 10 | N 10 | NNW 12 | NNW 7 | N 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 1233 | 391 | 177 | 45 | 9 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 2 | 30 | 57 | 106 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross | cross | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off |
High Tide | 4:08PM2.87m | 4:43AM2.75m | 5:05PM3.21m | 5:33AM2.99m | 5:51PM3.50m | 6:15AM3.19m | 6:31PM3.70m | 6:53AM3.33m | 7:09PM3.79m | 7:28AM3.39m | 7:45PM3.75m | 8:02AM3.38m | 8:19PM3.61m | |||||||
Low Tide | 10:27PM0.67m | 10:40AM0.61m | 11:21PM0.35m | 11:27AM0.32m | 00:04AM0.10m | 12:09PM0.08m | 00:43AM-0.07m | 12:47PM-0.06m | 1:19AM-0.13m | 1:24PM-0.10m | 1:52AM-0.08m | 1:59PM-0.04m | 2:25AM0.05m | |||||||
 |  | |  |  |  |  | | | | | | | |  | | | | |  | |
 | — | — | 6:48 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — |
 | 8:09 | — | — | 8:07 | — | — | 8:05 | — | — | 8:02 | — | — | 8:00 | — | — | 7:58 | — | — | 7:54 | — |
mm | 1 | 2 | 1 | — | — | — | — | — | — | 1 | — | — | — | 1 | 3 | — | — | — | — | 1 |
Temp °C | 14 | 13 | 14 | 14 | 13 | 14 | 15 | 14 | 16 | 16 | 14 | 14 | 14 | 13 | 15 | 17 | 14 | 14 | 14 | 16 |
Feels °C | 5 | 4 | 6 | 6 | 6 | 9 | 10 | 9 | 12 | 11 | 9 | 8 | 9 | 10 | 11 | 13 | 7 | 10 | 11 | 13 |
Swell 1 Height (m) Direction Period (s) | — | NW 13 | — | — | W 10 | NNW 9 | N 8 | W 7 | W 9 | W 10 | N 8 | — | WNW 9 | NW 13 | WNW 13 | NW 13 | N 10 | NW 11 | NW 10 | W 8 |
| kJ | — | 142 | — | — | 361 | 391 | 177 | 131 | 343 | 440 | 1 | — | 561 | 2496 | 1699 | 1167 | 2 | 543 | 220 | 69 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | WNW 9 | W 14 | N 8 | N 7 | N 7 | — | — | NW 18 | — | — | W 10 | — | W 9 | NNW 7 | NW 9 |
| kJ | — | — | — | — | — | 232 | 4 | 45 | 9 | 1 | — | — | 12 | — | — | 192 | — | 175 | 57 | 65 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 12 | — | — | — | — | NW 18 | — | — | N 10 | — | NNW 12 | NNW 12 | N 12 |
| kJ | — | — | — | — | — | — | — | 11 | — | — | — | — | 13 | — | — | 2 | — | 30 | 49 | 106 |
Wind waves Height (m) Direction Period (s) | W 10 | W 11 | WNW 10 | NW 11 | NNW 10 | — | W 8 | S 3 | S 4 | — | W 10 | WNW 9 | — | — | S 3 | S 3 | WNW 12 | — | W 9 | — |
| kJ | 1570 | 2434 | 2570 | 2754 | 1233 | — | 191 | 2 | 9 | — | 510 | 446 | — | — | 7 | 6 | 1121 | — | 127 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 588 | 372 | 447 | 792 | 131 | 114 | 0 | 9 | 9 | 45 | 342 | 342 | 199 | 4 | 135 | 75 | 177 | 119 | 4 | 34 |
Best forecast wave conditions in Donegal | ||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Dunfanaghy (Killahoey Beach) Surf forecast
The above surf forecast table for Dunfanaghy (Killahoey Beach) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Dunfanaghy (Killahoey Beach) can be found by selecting the local surf guide option on the grey menu. Our Dunfanaghy (Killahoey Beach) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Dunfanaghy (Killahoey Beach)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Dunfanaghy (Killahoey Beach) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Dunfanaghy (Killahoey Beach) is 30 km (19 miles) from the city of Letterkenny. If you plan a holiday in Donegal, look for hotels and other accommodation in Letterkenny. Letterkenny has rooms for a wide range of budgets as well as car hire and transport links.
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