Surf Forecasts:
Dunfanaghy (Killahoey Beach) surf forecast from 12 Aug 2026:
- Most powerful swell: Sunday 16 Aug, 4PM (local time) - 1.5ft (0.5m), 8s period, N swell with 36 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 0.5m 8s and forecast to arrive on Sunday (Aug 16) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.5m 12s period and expected on Tuesday (Aug 18) at 10PM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4PM (Sun 16th Aug) | 1.5ft (0.5m) 8s |
Table - best surf conditions forecast for Dunfanaghy (Killahoey Beach) over the next 16 days.
Short Range ForecastModerate rain (total 10mm), heaviest on Thu morning. Warm (max 24°C on Wed afternoon, min 14°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Sun night. Very mild (max 15°C on Sun afternoon, min 12°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | |||||||||||||||
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 7 | W 10 | N 11 | N 10 | N 10 | N 9 | N 9 | N 9 | NW 8 | NNW 9 | N 8 | N 8 | N 8 | N 7 | N 7 | N 7 | W 9 | WNW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 4 | 1 | 1 | 1 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 17 | 36 | 33 | 18 | 9 | 1 | 1 | 0 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross | off | cross-off | off | off |
High Tide | 6:29AM3.20m | 6:49PM3.68m | 7:13AM3.31m | 7:32PM3.82m | 7:53AM3.34m | 8:12PM3.83m | 8:31AM3.31m | 8:50PM3.71m | 9:09AM3.20m | 9:28PM3.49m | 9:45AM3.05m | 10:05PM3.20m | 10:23AM2.86m | 10:43PM2.87m | |||||||
Low Tide | 12:25PM0.12m | 1:02AM-0.03m | 1:07PM-0.05m | 1:43AM-0.12m | 1:48PM-0.11m | 2:23AM-0.10m | 2:27PM-0.06m | 3:00AM0.03m | 3:05PM0.09m | 3:37AM0.24m | 3:44PM0.32m | 4:13AM0.50m | 4:24PM0.60m | ||||||||
 |  |  |  |  | | | |  | | | | | |  | | | | | |  | |
 | 5:58 | — | — | 6:00 | — | — | 6:01 | — | — | 6:03 | — | — | 6:05 | — | — | 6:07 | — | — | 6:09 | — | — |
 | — | — | 9:13 | — | — | 9:10 | — | — | 9:08 | — | — | 9:06 | — | — | 9:04 | — | — | 9:01 | — | — | 9:00 |
mm | — | — | — | 6 | 4 | — | — | — | — | — | — | — | — | — | 8 | — | — | — | 1 | 1 | 4 |
Temp °C | 23 | 24 | 20 | 20 | 20 | 17 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 14 | 15 | 15 | 14 | 16 | 16 | 15 |
Feels °C | 23 | 24 | 22 | 20 | 20 | 17 | 12 | 12 | 10 | 10 | 10 | 11 | 12 | 13 | 13 | 13 | 12 | 13 | 12 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | WSW 10 | WSW 10 | W 11 | W 10 | W 10 | W 10 | W 9 | W 8 | WNW 9 | N 9 | N 9 | NW 8 | NW 8 | NW 7 | N 8 | W 9 | N 7 | N 7 | N 7 | — | — |
| kJ | 131 | 125 | 195 | 206 | 158 | 113 | 99 | 50 | 16 | 2 | 2 | 203 | 99 | 65 | 33 | 73 | 9 | 1 | 1 | — | — |
Swell 2 Height (m) Direction Period (s) | N 8 | N 7 | N 7 | N 7 | — | N 11 | N 10 | N 10 | N 9 | — | — | W 8 | NNW 9 | N 8 | NW 7 | N 8 | NW 6 | W 18 | — | — | — |
| kJ | 4 | 1 | 1 | 1 | — | 2 | 2 | 2 | 2 | — | — | 1 | 17 | 36 | 23 | 18 | 1 | 6 | — | — | — |
Swell 3 Height (m) Direction Period (s) | N 6 | — | — | — | — | — | — | — | — | — | — | — | WSW 7 | W 6 | WNW 10 | NW 6 | W 18 | — | — | — | — |
| kJ | 1 | — | — | — | — | — | — | — | — | — | — | — | 10 | 3 | 19 | 6 | 6 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 3 | — | — | — | — | — | — | WNW 4 | WNW 7 | WNW 8 | NW 8 | — | — | — | — | SSE 2 | WSW 8 | WSW 7 | W 8 | W 9 | WNW 12 |
| kJ | 1 | — | — | — | — | — | — | 15 | 124 | 220 | 215 | — | — | — | — | 1 | 273 | 305 | 513 | 1602 | 5943 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 17 | 4 | 4 | 45 | 45 | 459 | 459 | 434 | 267 | 836 | 4 | 4 | 4 | 4 | 45 | 75 | 17 | 4 | 83 | 83 |
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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