Surf Forecasts:
Dunfanaghy (Killahoey Beach) surf forecast from 25 Sep 2026:
- Most powerful swell: Monday 28 Sep, 10AM (local time) - 1.5ft (0.4m), 12s period, NNW swell with 48 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 0.4m 12s and forecast to arrive on Monday (Sep 28) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 14s period and expected on Friday (Sep 25) at 4PM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10AM (Mon 28th Sep) | 1.5ft (0.4m) 12s |
Table - best surf conditions forecast for Dunfanaghy (Killahoey Beach) over the next 16 days.
Short Range ForecastLight rain (total 4mm), mostly falling on Sun morning. Very mild (max 17°C on Sat afternoon, min 10°C on Sun night). Winds decreasing (strong winds from the SW on Fri night, light winds from the S by Sun night). | Days 4-6 Weather SummaryLight rain (total 9mm), mostly falling on Tue night. Very mild (max 17°C on Tue night, min 10°C on Mon night). Winds increasing (light winds from the SSW on Mon afternoon, near gales from the SE by Tue night). | ||||||||||||||||||||
Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | |||||||||||||||
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 11 | N 10 | N 10 | N 10 | W 11 | W 10 | W 11 | N 13 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 11 | N 10 | WNW 14 | WNW 14 | WNW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 3 | 28 | 48 | 47 | 44 | 40 | 39 | 38 | 20 | 22 | 8 | 0 | 0 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross | cross | cross | cross-off | off | cross-off | cross-off | cross-off | cross-off |
High Tide | 6:14PM3.40m | 6:32AM3.19m | 6:45PM3.55m | 7:03AM3.32m | 7:17PM3.62m | 7:35AM3.40m | 7:50PM3.60m | 8:09AM3.40m | 8:26PM3.49m | 8:46AM3.31m | 9:06PM3.28m | 9:27AM3.15m | 9:51PM2.99m | ||||||||
Low Tide | 11:57AM0.30m | 00:23AM0.15m | 12:28PM0.13m | 00:53AM0.01m | 1:00PM0.02m | 1:24AM-0.06m | 1:34PM-0.01m | 1:57AM-0.02m | 2:10PM0.04m | 2:32AM0.10m | 2:49PM0.19m | 3:11AM0.31m | 3:34PM0.41m | 3:56AM0.58m | |||||||
 | |  | | | |  |  | | | |  | | |  | | | |  |  | | |
 | 7:20 | — | — | 7:22 | — | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — | 7:31 | — | — | 7:33 | — | — |
 | — | 7:23 | — | — | 7:21 | — | — | 7:19 | — | — | 7:15 | — | — | 7:14 | — | — | 7:10 | — | — | 7:08 | — |
mm | — | — | — | — | — | — | 4 | — | — | — | — | — | — | — | 9 | — | — | — | — | 3 | — |
Temp °C | 14 | 14 | 13 | 15 | 17 | 14 | 12 | 13 | 12 | 13 | 15 | 12 | 15 | 16 | 17 | 15 | 14 | 11 | 13 | 12 | 12 |
Feels °C | 8 | 7 | 6 | 9 | 12 | 10 | 6 | 6 | 7 | 8 | 12 | 7 | 7 | 7 | 8 | 9 | 8 | 7 | 8 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | WNW 15 | WNW 14 | N 10 | W 11 | W 11 | W 10 | NW 11 | N 13 | NNW 12 | W 11 | WNW 11 | WNW 10 | WNW 10 | W 10 | W 10 | W 10 | W 12 | W 15 | WNW 14 | WNW 14 | WNW 13 |
| kJ | 7278 | 4312 | 2 | 1542 | 1197 | 951 | 56 | 3 | 28 | 1006 | 698 | 294 | 236 | 125 | 76 | 55 | 47 | 5848 | 4010 | 3180 | 2691 |
Swell 2 Height (m) Direction Period (s) | N 11 | N 10 | — | N 10 | — | — | — | — | NW 9 | NNW 12 | NNW 12 | WNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 11 | N 10 | — | — | — |
| kJ | 2 | 2 | — | 2 | — | — | — | — | 12 | 48 | 47 | 129 | 40 | 39 | 38 | 20 | 22 | 8 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | NNW 12 | — | — | ENE 4 | WSW 4 | NE 5 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 44 | — | — | 2 | 4 | 1 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | W 12 | — | — | S 4 | W 11 | W 11 | W 12 | SSW 3 | — | SE 3 | ESE 4 | ESE 4 | SE 4 | S 3 | SW 10 | — | S 4 | — | — |
| kJ | — | — | 3011 | — | — | 12 | 1219 | 1109 | 1413 | 1 | — | 4 | 16 | 20 | 45 | 5 | 262 | — | 12 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 53 | 53 | 354 | 354 | 446 | 75 | 131 | 75 | 34 | 8 | 4 | 4 | 338 | 413 | 1070 | 356 | 45 | 66 | 4 | 66 | 53 |
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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