Surf Forecasts:
Dunfanaghy (Killahoey Beach) surf forecast from 1 Sep 2026:
- Best quality surf: Wednesday 2 Sep, 4PM (local time) - 3ft (0.9m), 8s period, NNW swell with cross-offshore winds.
- Most powerful swell: Thursday 3 Sep, 1AM (local time) - 3.5ft (1.0m), 10s period, N swell with 202 kJ wave energy.
- Next surfable swell (1★+): Wednesday 2 Sep, 4PM (local time) - 3ft (0.9m), 8s 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 02) at 4PM. The primary swell is predicted to be 0.9m and 8s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Dunfanaghy (Killahoey Beach) in the next 16 days are 1.0m 10s and forecast to arrive on Thursday (Sep 03) at 1AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 10s period and expected on Tuesday (Sep 08) at 4AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Wed 2nd Sep) | 3ft (0.9m) 8s |
| Best Surf | 4PM (Wed 2nd Sep) | 3ft (0.9m) 8s |
| Most Powerful | 1AM (Thu 3rd Sep) | 3.5ft (1.0m) 10s |
Table - best surf conditions forecast for Dunfanaghy (Killahoey Beach) over the next 16 days.
Short Range ForecastHeavy rain (total 23mm), heaviest during Tue afternoon. Very mild (max 17°C on Wed afternoon, min 14°C on Tue afternoon). Winds increasing (calm on Tue night, strong winds from the WSW by Thu night). | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Fri morning. Warm (max 20°C on Sun afternoon, min 12°C on Sat night). Winds decreasing (strong winds from the W on Fri morning, light winds from the SSE by Sat night). | ||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||||
AM | 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) | N 6 | N 6 | NNW 6 | NNW 6 | NNW 8 | N 10 | N 11 | N 10 | N 10 | N 9 | N 9 | NW 12 | WNW 10 | WNW 10 | SE 2 | NNW 8 | SW 9 | N 10 | W 8 | NNW 10 | W 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3 | 3 | 11 | 17 | 120 | 202 | 143 | 73 | 30 | 6 | 6 | 0 | 0 | 0 | 1 | 26 | 0 | 2 | 0 | 10 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | glassy | cross | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | cross-on | off | cross-off |
High Tide | 9:27PM3.29m | 9:47AM3.02m | 10:07PM3.06m | 10:31AM2.84m | 10:57PM2.78m | 11:31AM2.63m | 00:10AM2.51m | 1:00PM2.50m | 1:56AM2.39m | 2:47PM2.59m | 3:36AM2.51m | 4:08PM2.87m | |||||||||
Low Tide | 3:08PM0.25m | 3:35AM0.33m | 3:49PM0.44m | 4:17AM0.56m | 4:37PM0.69m | 5:09AM0.82m | 5:44PM0.94m | 6:24AM1.04m | 7:23PM1.08m | 8:08AM1.09m | 9:12PM0.96m | 9:37AM0.90m | 10:27PM0.67m | ||||||||
 |  |  |  | | | | | | |  |  |  |  |  | | | | | | | |
 | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — | 6:41 | — | — | 6:43 | — | — | 6:46 | — | — | 6:47 | — | — |
 | — | 8:25 | — | — | 8:22 | — | — | 8:21 | — | — | 8:17 | — | — | 8:15 | — | — | 8:13 | — | — | 8:09 | — |
mm | 3 | 9 | 3 | 1 | 1 | 1 | 1 | 1 | 3 | 1 | — | — | — | — | 1 | — | 1 | 4 | — | — | 2 |
Temp °C | 15 | 14 | 14 | 15 | 17 | 17 | 16 | 16 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 18 | 20 | 18 | 14 | 15 | 15 |
Feels °C | 9 | 12 | 15 | 13 | 15 | 13 | 12 | 9 | 8 | 5 | 5 | 8 | 9 | 10 | 12 | 15 | 18 | 15 | 13 | 13 | 11 |
Swell 1 Height (m) Direction Period (s) | N 6 | W 8 | WNW 8 | W 8 | NNW 8 | N 10 | W 8 | N 10 | N 10 | N 9 | N 9 | NW 12 | WNW 10 | WNW 10 | WNW 9 | W 8 | NW 10 | N 10 | W 13 | NNW 10 | — |
| kJ | 3 | 334 | 159 | 74 | 120 | 202 | 159 | 73 | 30 | 6 | 6 | 2402 | 1126 | 622 | 258 | 140 | 45 | 2 | 51 | 9 | — |
Swell 2 Height (m) Direction Period (s) | — | N 6 | NNW 6 | NNW 6 | W 7 | W 16 | N 11 | W 17 | — | — | — | — | — | W 14 | — | NNW 8 | — | — | — | NNW 10 | — |
| kJ | — | 3 | 11 | 17 | 54 | 5 | 143 | 6 | — | — | — | — | — | 4 | — | 26 | — | — | — | 10 | — |
Swell 3 Height (m) Direction Period (s) | — | W 18 | W 18 | N 8 | N 12 | — | W 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 6 | 6 | 11 | 26 | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 8 | — | — | — | — | WSW 7 | — | W 10 | W 10 | WNW 11 | WNW 11 | WNW 12 | — | — | SE 2 | S 3 | SW 9 | W 9 | W 8 | W 9 | W 11 |
| kJ | 430 | — | — | — | — | 186 | — | 569 | 1065 | 2500 | 3317 | 2827 | — | — | 1 | 7 | 238 | 455 | 529 | 866 | 2963 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 131 | 45 | 4 | 4 | 0 | 131 | 4 | 83 | 83 | 372 | 346 | 342 | 131 | 131 | 4 | 9 | 17 | 45 | 75 | 9 | 17 |
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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