Surf Forecasts:
Aileen's surf forecast from 17 Aug 2026:
- Most powerful swell: Wednesday 19 Aug, 7AM (local time) - 8ft (2.5m), 10s period, W swell with 1,325 kJ wave energy.
Best Forecast Surf Conditions for Aileen's this week:
The most powerful waves expected at Aileen's in the next 16 days are 2.5m 10s and forecast to arrive on Wednesday (Aug 19) at 7AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Thursday (Aug 20) at 10PM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7AM (Wed 19th Aug) | 8ft (2.5m) 10s |
Table - best surf conditions forecast for Aileen's over the next 16 days.
The Lowdown
Right then, let’s have a look at what’s on the cards for Aileen's. Straight up, it’s not looking pretty at all. We’ve got a solid run of poor conditions for the first ten days or so, and then things only get slightly better towards the very end. We’ll have a big gap with no real surf on offer for most of the outlook period.
We start off Monday the 17th of August with a tiny, weak 3 ft swell from the west, with a short period of 8 seconds. The combined wave energy is weak at just 98, and it’s blowing onshore from the WSW at 12 mph. Makes for poor surf all day. Conditions just stay poor through the week. By Tuesday the 19th, the swell is up to 8 ft from the west, but it’s getting hammered by 25 mph onshore winds. The energy ramps up to a strong 1307, but that’s all brute force and no finesse – just rain, wind and choppy mess.
We see the swell drop back to under 2 ft by the weekend of the 22nd and 23rd, but the wind is still messy. Nothing worth paddling out for. Even the water’s looking average for the time of year.
The only time things get interesting is right at the tail end. On Monday the 31st of August, a big 12 ft swell from the west rolls in with a very long period of 14 seconds. The combined wave energy is a serious 5046 – that’s massive. What makes it worth mentioning is the wind. It’s a clean, cross-offshore breeze from the southeast at 16 mph. This is a true standout for the period. This is Aileen's, a reef break that’s inconsistent and for advanced surfers only. With that size and period, this is a heavy, expert-only wave. That long period groundswell will be breaking fast and deep. Crowds are often a problem here, so expect company given the quality. It’s still looking *marginal* according to the call, likely due to tide, but for clean, powerful waves, this is the only real window in this 16-day run.
A lot of waiting, but that final Monday could be a session to remember for the brave.
Rusty
Short Range ForecastLight rain (total 8mm), mostly falling on Mon afternoon. Very mild (max 17°C on Mon afternoon, min 14°C on Tue night). Winds increasing (light winds from the W on Sun night, strong winds from the W by Tue night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 16°C on Thu afternoon, min 12°C on Fri night). Winds decreasing (fresh winds from the NW on Wed night, light winds from the NW by Sat morning). | ||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||
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) | W 8 | WSW 7 | W 7 | W 8 | W 9 | W 10 | W 10 | W 10 | WNW 10 | WNW 9 | WNW 9 | NW 8 | WNW 8 | WNW 7 | WSW 11 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WNW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 98 | 125 | 183 | 256 | 533 | 1098 | 1307 | 1147 | 784 | 383 | 232 | 102 | 42 | 21 | 37 | 32 | 29 | 27 | 16 | 15 | 26 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | on | on | on | on | on | on | cross-on | cross | cross | cross | cross-off | cross | cross-off | cross-off | cross-on | cross | cross-on | cross-on | cross-on |
High Tide | 9:02AM4.12m | 9:15PM4.10m | 9:40AM3.86m | 9:56PM3.74m | 10:21AM3.58m | 10:42PM3.39m | 11:09AM3.32m | 11:40PM3.09m | 12:14PM3.12m | 00:58AM2.91m | 1:37PM3.06m | 2:30AM2.94m | 2:59PM3.21m | 3:42AM3.14m | |||||||
Low Tide | 2:53PM0.59m | 3:15AM0.60m | 3:32PM0.90m | 3:52AM0.99m | 4:15PM1.23m | 4:35AM1.37m | 5:11PM1.54m | 5:38AM1.69m | 6:48PM1.74m | 7:28AM1.82m | 8:36PM1.66m | 8:59AM1.69m | 9:40PM1.42m | ||||||||
 |  |  |  |  |  | | |  | | | | | |  |  | | | | | | |
 | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — | 6:31 | — | — |
 | — | — | 9:00 | — | 8:59 | — | — | 8:57 | — | — | 8:54 | — | — | 8:52 | — | — | 8:50 | — | — | 8:47 | — |
mm | — | 1 | — | — | 1 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 13 | 15 | 15 | 14 | 15 | 16 | 15 | 15 | 15 | 14 |
Feels °C | 12 | 12 | 14 | 11 | 11 | 8 | 8 | 9 | 9 | 11 | 12 | 7 | 11 | 10 | 9 | 12 | 13 | 11 | 12 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | — | — | — | SW 17 | SW 17 | — | — | SW 16 | SW 16 | WNW 9 | WNW 9 | NW 8 | WNW 8 | WNW 7 | WSW 11 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 |
| kJ | — | — | — | 11 | 11 | — | — | 10 | 10 | 383 | 232 | 102 | 42 | 21 | 37 | 32 | 29 | 27 | 16 | 15 | 15 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SW 15 | SW 15 | WSW 9 | WSW 8 | WSW 8 | SW 16 | WNW 6 | SW 15 | SW 15 | NW 8 | WNW 7 | SW 14 |
| kJ | — | — | — | — | — | — | — | — | — | 9 | 8 | 26 | 24 | 14 | 10 | 6 | 9 | 9 | 2 | 5 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SW 14 | SW 14 | W 12 | SW 13 | SW 16 | — | W 9 | SW 15 | SW 14 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 8 | 7 | 11 | 7 | 9 | — | 1 | 9 | 8 | — |
Wind waves Height (m) Direction Period (s) | W 8 | WSW 7 | W 7 | W 8 | W 9 | W 10 | W 10 | W 10 | WNW 10 | — | — | — | NNE 3 | NNW 3 | NW 5 | — | WNW 5 | NW 4 | WNW 3 | WNW 4 | WNW 7 |
| kJ | 98 | 125 | 183 | 256 | 533 | 1098 | 1307 | 1147 | 784 | — | — | — | 1 | 4 | 14 | — | 11 | 9 | 6 | 8 | 26 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 94 | 144 | 597 | 94 | 625 | 307 | 299 | 294 | 334 | 343 | 497 | 8 | 8 | 159 | 8 | 8 | 159 | 8 | 120 | 101 | 101 |
Best forecast wave conditions in Clare | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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Information about the Aileen's Surf forecast
The above surf forecast table for Aileen's provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Aileen's can be found by selecting the local surf guide option on the grey menu. Our Aileen's 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 (Aileen's) 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 Aileen's 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.
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