Surf Forecasts:
Aileen's surf forecast from 18 Aug 2026:
- Most powerful swell: Thursday 20 Aug, 4AM (local time) - 7ft (2.1m), 10s period, W swell with 861 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 2.1m 10s and forecast to arrive on Thursday (Aug 20) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Monday (Aug 24) at 1PM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4AM (Thu 20th Aug) | 7ft (2.1m) 10s |
Table - best surf conditions forecast for Aileen's over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s get into it. We’re looking at a pretty grim stretch ahead for Aileen's. The whole 16-day period is a write-off, with not a single window that’s worth paddling out for. The setup is a real heartbreaker. We’ve got a bit of size coming through on the 18th and 19th, with swell pushing 5ft to 7ft from the W and WSW, but the wind is howling onshore at 15-22 mph the whole time, just trashing any chance of a clean face. That’s not surf, that’s a washing machine. The water is a touch warmer than normal at 63°, but that’s the only small comfort.
The energy does spike up to 831 (combined energy) on the 19th afternoon, but with that onshore slop, it’s unsurfable. You’d be better off on a kiteboard than a paddleboard through those days. Then the swell just fades into nothing by the 22nd, with scraps of 1.0ft and cross-shore winds. The 23rd has a moment of glassy conditions, but there’s no wave to ride. It’s flat calm.
The only faint glimmer comes on the 26th and 27th. We get a small pulse of 4ft swell from the W, and the wind finally swings offshore from the E or NE, giving us clean, offshore conditions. The energy is moderate, around 188-240, and the period is 9-10 seconds, so the waves would have a bit of shape, but it’s still very ordinary. The score is a 1 out of 10. It’s surfable, but only just. For a spot like Aileen's, that’s a tough day. The rest of the period into September is a flat, windy mess. A long, dry spell.
Rusty out.
Short Range ForecastModerate rain (total 11mm), heaviest on Tue afternoon. Very mild (max 16°C on Tue afternoon, min 13°C on Thu night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Very mild (max 17°C on Sat afternoon, min 12°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||
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 | W 9 | W 10 | W 10 | W 10 | W 10 | WNW 10 | WNW 9 | WNW 8 | WNW 8 | WNW 7 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WNW 8 | WNW 7 | W 11 | WSW 10 | WSW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 291 | 528 | 789 | 799 | 821 | 739 | 528 | 274 | 90 | 32 | 33 | 31 | 16 | 15 | 16 | 14 | 13 | 15 | 112 | 664 | 193 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross-on | cross | cross | cross | cross-off | cross-off | cross | cross | cross-on | cross-off | glassy | on | glassy | cross-off | cross | cross-off |
High Tide | 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 | 3:58PM3.46m | |||||||||
Low Tide | 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 | 9:53AM1.44m | 10:24PM1.12m | ||||||||
 |  |  |  | | |  | |  | | |  | | | |  | | | | |  | |
 | 6:22 | — | — | 6:24 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — | 6:31 | — | — | 6:33 | — | — |
 | — | 8:59 | — | — | 8:57 | — | — | 8:54 | — | — | 8:52 | — | — | 8:50 | — | — | 8:47 | — | — | 8:45 | — |
mm | — | 2 | 3 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 |
Temp °C | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 13 | 14 | 15 | 13 | 16 | 17 | 15 | 14 | 14 | 14 | 17 | 17 | 16 |
Feels °C | 11 | 11 | 10 | 9 | 9 | 9 | 10 | 11 | 7 | 9 | 9 | 8 | 13 | 13 | 12 | 13 | 11 | 13 | 12 | 12 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 17 | SW 17 | SW 17 | — | SW 16 | W 10 | WNW 10 | WNW 9 | WNW 8 | WNW 8 | WNW 7 | NW 6 | WSW 9 | WSW 9 | NW 6 | WSW 8 | WNW 8 | WNW 7 | WSW 7 | WSW 10 | WSW 9 |
| kJ | 11 | 11 | 12 | — | 10 | 739 | 528 | 274 | 90 | 32 | 33 | 16 | 16 | 15 | 8 | 14 | 12 | 15 | 91 | 664 | 193 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SW 16 | SW 15 | SW 15 | WSW 8 | WSW 9 | WSW 9 | WSW 10 | WNW 5 | SW 15 | WSW 9 | WNW 5 | WSW 8 | WSW 9 | W 11 | — | — |
| kJ | — | — | — | — | — | 10 | 9 | 8 | 24 | 15 | 25 | 31 | 6 | 9 | 16 | 2 | 13 | 15 | 112 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 14 | W 14 | SW 13 | SW 16 | SW 16 | W 11 | W 10 | WNW 9 | SW 14 | SW 14 | SW 14 | — | — |
| kJ | — | — | — | — | — | — | — | — | 8 | 4 | 7 | 10 | 9 | 2 | 2 | 8 | 8 | 8 | 8 | — | — |
Wind waves Height (m) Direction Period (s) | W 8 | W 9 | W 10 | W 10 | W 10 | — | — | — | N 3 | N 3 | N 3 | NNE 3 | — | WNW 3 | — | — | — | SW 2 | SSE 4 | — | — |
| kJ | 291 | 528 | 789 | 799 | 821 | — | — | — | 5 | 1 | 1 | 2 | — | 3 | — | — | — | 1 | 18 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 331 | 90 | 90 | 144 | 299 | 183 | 343 | 175 | 159 | 348 | 159 | 8 | 101 | 159 | 56 | 101 | 101 | 56 | 10 | 91 | 151 |
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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