Surf Forecasts:
Dunfanaghy (Killahoey Beach) surf forecast from 20 Aug 2026:
- Most powerful swell: Thursday 20 Aug, 1PM (local time) - 7ft (2.2m), 8s period, N swell with 549 kJ wave energy.
Best Forecast Surf Conditions for Dunfanaghy (Killahoey Beach) this week:
The most powerful waves expected at Dunfanaghy (Killahoey Beach) in the next 16 days are 2.2m 8s and forecast to arrive on Thursday (Aug 20) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 12s period and expected on Monday (Aug 24) at 7AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1PM (Thu 20th Aug) | 7ft (2.2m) 8s |
Table - best surf conditions forecast for Dunfanaghy (Killahoey Beach) over the next 16 days.
Short Range ForecastSome drizzle, heaviest during Fri morning. Very mild (max 15°C on Sat afternoon, min 12°C on Thu night). Winds decreasing (fresh winds from the N on Thu morning, light winds from the WNW by Sat afternoon). | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Tue afternoon. Warm (max 20°C on Mon afternoon, min 14°C on Sun morning). Winds increasing (calm on Sun night, fresh winds from the ESE by Tue morning). | ||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||
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 8 | N 7 | N 7 | N 6 | N 6 | N 5 | NNW 5 | NNW 5 | NNW 6 | NW 6 | NW 7 | NW 10 | WNW 11 | WNW 10 | E 4 | E 4 | NNW 11 | N 11 | N 10 | N 10 | N 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 728 | 419 | 295 | 146 | 104 | 46 | 29 | 20 | 17 | 0 | 0 | 0 | 0 | 0 | 1 | 14 | 42 | 61 | 56 | 51 | 50 |
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-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross-on | cross | cross | cross | cross-on | cross-on | cross |
High Tide | 11:55AM2.44m | 00:26AM2.29m | 1:14PM2.29m | 2:05AM2.16m | 3:02PM2.30m | 3:46AM2.23m | 4:20PM2.48m | 4:46AM2.41m | 5:09PM2.71m | 5:27AM2.61m | 5:46PM2.95m | 6:01AM2.80m | 6:19PM3.18m | ||||||||
Low Tide | 6:08PM1.18m | 6:41AM1.27m | 7:41PM1.35m | 8:20AM1.35m | 9:27PM1.31m | 9:49AM1.23m | 10:36PM1.13m | 10:45AM1.00m | 11:21PM0.90m | 11:25AM0.76m | 11:56PM0.67m | 11:58AM0.53m | 00:27AM0.46m | ||||||||
 | |  |  |  | | | | | | | |  | |  | | |  |  | | | |
 | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — | 6:18 | — | — | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — |
 | — | 8:54 | — | — | 8:52 | — | — | 8:50 | — | — | 8:47 | — | — | 8:45 | — | — | 8:43 | — | — | 8:40 | — |
mm | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 2 | 2 | 1 |
Temp °C | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 14 | 15 | 15 | 14 | 18 | 20 | 17 | 16 | 19 | 19 | 18 | 17 | 16 |
Feels °C | 6 | 6 | 6 | 8 | 8 | 9 | 11 | 12 | 12 | 12 | 13 | 13 | 15 | 16 | 15 | 9 | 15 | 13 | 13 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 5 | W 8 | W 9 | NNW 6 | NW 6 | NW 7 | NW 10 | WNW 11 | WNW 10 | W 10 | W 9 | W 8 | W 8 | W 8 | N 10 | W 9 |
| kJ | 123 | 90 | 40 | 21 | 19 | 11 | 13 | 14 | 17 | 40 | 54 | 302 | 533 | 418 | 192 | 103 | 51 | 35 | 28 | 51 | 171 |
Swell 2 Height (m) Direction Period (s) | W 16 | W 16 | W 15 | W 18 | W 17 | WNW 7 | WNW 6 | NW 6 | WNW 6 | WNW 9 | WNW 8 | W 10 | — | — | NW 12 | NW 10 | NNW 11 | N 11 | N 10 | WNW 10 | N 10 |
| kJ | 5 | 5 | 4 | 6 | 6 | 5 | 4 | 2 | 7 | 15 | 14 | 2 | — | — | 89 | 37 | 42 | 61 | 56 | 59 | 50 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 14 | — | W 8 | W 16 | W 16 | W 9 | W 8 | NW 11 | W 15 | — | — | — | NNW 12 | NW 9 | NE 4 | WNW 12 | WNW 8 | ENE 5 |
| kJ | — | — | — | 4 | — | 5 | 5 | 5 | 6 | 5 | 18 | 4 | — | — | — | 14 | 22 | 4 | 13 | 19 | 2 |
Wind waves Height (m) Direction Period (s) | N 8 | N 7 | N 7 | N 6 | N 6 | N 5 | NNW 5 | NNW 5 | — | — | — | — | — | — | E 4 | E 4 | E 5 | — | ENE 4 | ESE 2 | — |
| kJ | 728 | 419 | 295 | 146 | 104 | 46 | 29 | 20 | — | — | — | — | — | — | 1 | 12 | 19 | — | 4 | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 416 | 1117 | 144 | 349 | 335 | 193 | 195 | 348 | 193 | 9 | 9 | 4 | 4 | 4 | 4 | 208 | 272 | 102 | 22 | 38 | 4 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Dunfanaghy (Killahoey Beach) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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.
Nearest