Surf Forecasts:
Dunfanaghy (Killahoey Beach) surf forecast from 5 Aug 2026:
- Best quality surf: Tuesday 11 Aug, 4AM (local time) - 3ft (0.9m), 9s period, N swell with cross-offshore winds.
- Most powerful swell: Wednesday 5 Aug, 10PM (local time) - 8ft (2.5m), 9s period, NNW swell with 1,060 kJ wave energy.
- Next surfable swell (1★+): Tuesday 11 Aug, 4AM (local time) - 3ft (0.9m), 9s period with N 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 Tuesday (Aug 11) at 4AM. The primary swell is predicted to be 0.9m and 9s 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 2.5m 9s and forecast to arrive on Wednesday (Aug 05) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Wednesday (Aug 05) at 1PM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Tue 11th Aug) | 3ft (0.9m) 9s |
| Best Surf | 4AM (Tue 11th Aug) | 3ft (0.9m) 9s |
| Most Powerful | 10PM (Wed 5th Aug) | 8ft (2.5m) 9s |
Table - best surf conditions forecast for Dunfanaghy (Killahoey Beach) over the next 16 days.
Short Range ForecastModerate rain (total 10mm), heaviest on Wed morning. Very mild (max 16°C on Fri morning, min 12°C on Thu night). Mainly strong winds. | Days 4-6 Weather SummaryHeavy rain (total 22mm), heaviest during Sun afternoon. Very mild (max 17°C on Sat morning, min 13°C on Sat afternoon). Winds decreasing (fresh winds from the SW on Sat morning, light winds from the SSW by Sun afternoon). | ||||||||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | |||||||||||||||
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) | NW 8 | NW 9 | NNW 8 | N 7 | N 7 | N 6 | N 7 | WNW 10 | WNW 10 | W 9 | N 10 | N 9 | N 9 | N 8 | N 10 | N 9 | N 9 | N 9 | N 10 | N 10 | N 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 659 | 117 | 43 | 6 | 1 | 0 | 0 | 0 | 2 | 7 | 6 | 5 | 8 | 42 | 78 | 99 | 202 | 158 | 81 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | off | off | off | off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | on | cross |
High Tide | 11:00AM2.71m | 11:22PM2.86m | 11:56AM2.58m | 00:27AM2.67m | 1:13PM2.50m | 1:55AM2.55m | 2:47PM2.57m | 3:29AM2.61m | 4:09PM2.80m | 4:43AM2.80m | 5:12PM3.12m | 5:41AM3.02m | 6:03PM3.43m | ||||||||
Low Tide | 4:48AM0.59m | 5:00PM0.72m | 5:40AM0.76m | 6:01PM0.90m | 6:48AM0.92m | 7:25PM1.02m | 8:15AM0.97m | 9:01PM0.95m | 9:39AM0.85m | 10:22PM0.72m | 10:46AM0.62m | 11:25PM0.43m | 11:39AM0.35m | 00:16AM0.16m | |||||||
 | |  |  | |  |  | |  |  |  | | |  | | | |  | | | | |
 | 5:45 | — | — | 5:47 | — | — | 5:48 | — | — | 5:50 | — | — | 5:52 | — | — | 5:54 | — | — | 5:56 | — | — |
 | — | — | 9:28 | — | — | 9:25 | — | — | 9:23 | — | — | 9:22 | — | — | 9:20 | — | — | 9:17 | — | — | 9:15 |
mm | 4 | 2 | 1 | — | — | — | — | — | — | — | 3 | 1 | — | 11 | 7 | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 14 | 15 | 14 | 16 | 16 | 16 | 17 | 14 | 14 | 15 | 15 | 14 | 14 | 15 | 13 | 15 | 18 | 18 |
Feels °C | 6 | 5 | 6 | 9 | 10 | 10 | 10 | 10 | 12 | 11 | 9 | 10 | 10 | 11 | 9 | 9 | 12 | 11 | 14 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | — | — | W 10 | N 7 | N 7 | N 6 | N 6 | WNW 10 | WNW 10 | W 9 | N 10 | NW 11 | N 9 | N 8 | N 10 | N 9 | WNW 8 | WNW 8 | N 10 | N 10 | N 9 |
| kJ | — | — | 8 | 117 | 43 | 6 | 1 | 772 | 508 | 351 | 2 | 92 | 6 | 5 | 8 | 42 | 207 | 120 | 202 | 158 | 81 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 10 | NW 6 | WNW 9 | N 7 | — | — | — | — | N 9 | N 9 | — | N 8 | — | N 9 | N 9 | WNW 8 | NW 8 | NW 8 |
| kJ | — | — | — | 17 | 8 | 17 | 1 | — | — | — | — | 7 | 6 | — | 5 | — | 78 | 99 | 109 | 70 | 39 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | W 10 | W 9 | W 9 | W 11 |
| kJ | — | — | — | — | 17 | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 7 | 2 | 23 |
Wind waves Height (m) Direction Period (s) | NW 8 | NW 9 | NNW 8 | W 6 | WSW 5 | W 5 | W 8 | — | S 2 | — | W 9 | W 9 | WNW 10 | W 10 | WNW 8 | WNW 8 | — | — | — | SE 2 | SSE 3 |
| kJ | 929 | 1186 | 659 | 31 | 20 | 53 | 299 | — | 1 | — | 412 | 494 | 880 | 767 | 470 | 298 | — | — | — | 1 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 403 | 779 | 831 | 114 | 348 | 119 | 131 | 75 | 4 | 45 | 83 | 83 | 45 | 4 | 354 | 381 | 9 | 4 | 4 | 22 | 4 |
Best forecast wave conditions in Donegal | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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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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