Surf Forecasts:
Kilcummin Harbour surf forecast from 24 Jul 2026:
- Best quality surf: Monday 27 Jul, 7AM (local time) - 7ft (2.1m), 10s period, WNW swell with offshore winds.
- Most powerful swell: Saturday 25 Jul, 4PM (local time) - 10ft (3.0m), 11s period, WNW swell with 1,809 kJ wave energy.
- Next surfable swell (1★+): Monday 27 Jul, 7AM (local time) - 7ft (2.1m), 10s period with WNW swell.
Best Forecast Surf Conditions for Kilcummin Harbour this week:
The surf forecast for Kilcummin Harbour over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 27) at 7AM. The primary swell is predicted to be 2.1m and 10s period with a secondary swell of 1.0m and 11s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Kilcummin Harbour in the next 16 days are 3.0m 11s and forecast to arrive on Saturday (Jul 25) at 4PM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Mon 27th Jul) | 7ft (2.1m) 10s |
| Best Surf | 7AM (Mon 27th Jul) | 7ft (2.1m) 10s |
| Most Powerful | 4PM (Sat 25th Jul) | 10ft (3.0m) 11s |
Table - best surf conditions forecast for Kilcummin Harbour over the next 16 days.
The Lowdown
Right then, let’s have a look at what’s on offer for Kilcummin Harbour.
The long-range picture here is a bit of a mixed bag. We’ve got a decent pulse of swell pushing in over the weekend but it’s going to be a real game of timing with the wind to get anything clean. The real standout, if you’re patient, looks to be waiting for you in the second week.
We kick off proper on Saturday the 25th of July. The morning session is the one to target. There’s a solid 9.8ft swell rolling in from the WNW with a 10-second period, and the wind is a cross-offshore breeze from the WSW. It’s clean out there, and the combined wave energy is strong (1495). This is expert-only territory with that size, and with the rip likely to be pulling, it’s not one for the beginners.
Sunday the 26th keeps the 9.8ft WNW swell going, but that wind swings onshore from the WNW, ramping up to 18 mph, and it gets lumpy. It’s a write-off for a paddle board, but if the wind holds, it might be worth a look for the kite crew.
The swell drops through the start of the week. Monday the 27th sees the swell back down to 6.2ft, and we get a gentle cross-offshore breeze from the SSW in the morning, keeping things clean. The energy is still moderate (916). Worth a look in the morning if you’re keen for something smaller and less heavy.
After that, from Tuesday the 28th through to the end of the month, we’re in a bit of a flat spell with the swell dropping under 4ft and the winds are messy, mostly cross-shore. There’s a gap of a few days where it’s just not worth getting wet.
Now, hold onto your hat for the real highlight. Look ahead to Tuesday the 4th of August. The afternoon session is where it’s at. A 5.2ft swell from the WNW, a 6-second period, but with a gentle cross-offshore breeze from the SE that’s keeping things clean. The energy reading is moderate (302), and the forecast says it’s good surf conditions. That’s your window.
Then on Wednesday the 5th of August, the morning gets even better. A 6.2ft swell from the NW, a light cross-offshore breeze from the ESE. Clean conditions and moderate energy (384). This is the pick of the whole 16-day run. It’s still a bit of a wait though, so keep your fingers crossed the forecast holds.
The water temperature is sitting at 61.3°F historically at the start, which is a touch warmer than normal for this time of year.
Right, that’s the long and short of it.
Short Range ForecastLight rain (total 4mm), mostly falling on Sat afternoon. Very mild (max 18°C on Fri afternoon, min 14°C on Fri night). Mainly fresh winds. | Days 5-7 Weather SummaryLight rain (total 7mm), mostly falling on Mon night. Warm (max 20°C on Tue morning, min 12°C on Wed night). Winds decreasing (fresh winds from the SW on Tue afternoon, light winds from the SSW by Wed night). | |||||||||||||||||||
Fri 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | ||||||||||||||
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) | WNW 8 | WNW 8 | WNW 10 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 322 | 460 | 1495 | 1809 | 1478 | 1795 | 1563 | 1053 | 696 | 589 | 463 | 384 | 419 | 390 | 187 | 127 | 123 | 176 | 135 | 68 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross | cross | cross-on | cross | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross | cross-off | cross | cross-off | cross | cross | cross |
High Tide | 3:30AM2.37m | 4:07PM2.60m | 4:31AM2.46m | 4:59PM2.78m | 5:18AM2.59m | 5:41PM2.97m | 5:57AM2.72m | 6:18PM3.16m | 6:33AM2.83m | 6:52PM3.32m | 7:06AM2.91m | 7:25PM3.44m | ||||||||
Low Tide | 9:22PM1.18m | 9:39AM1.07m | 10:24PM1.06m | 10:32AM0.94m | 11:12PM0.90m | 11:15AM0.78m | 11:52PM0.74m | 11:53AM0.62m | 00:29AM0.59m | 12:27PM0.47m | 1:03AM0.48m | 12:59PM0.37m | 1:36AM0.39m | |||||||
 |  |  |  |  | | |  | | | | | | | | |  | | | | |
 | — | — | 5:35 | — | — | 5:37 | — | — | 5:39 | — | — | 5:41 | — | — | 5:41 | — | — | 5:43 | — | — |
 | — | 9:50 | — | — | 9:49 | — | — | 9:46 | — | — | 9:45 | — | — | 9:44 | — | — | 9:42 | — | — | 9:39 |
mm | — | — | — | 1 | 1 | — | — | 1 | 1 | 1 | 5 | — | — | 1 | — | — | — | — | — | — |
Temp °C | 18 | 15 | 15 | 16 | 15 | 15 | 15 | 14 | 17 | 17 | 17 | 20 | 20 | 17 | 17 | 17 | 14 | 16 | 16 | 14 |
Feels °C | 13 | 12 | 12 | 13 | 11 | 9 | 10 | 11 | 15 | 15 | 16 | 14 | 14 | 14 | 12 | 13 | 12 | 12 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | — | — | — | WNW 11 | — | — | N 9 | WNW 10 | WNW 10 | WNW 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 |
| kJ | — | — | — | 1809 | — | — | 7 | 1053 | 696 | 589 | 463 | 384 | 419 | 390 | 187 | 127 | 123 | 176 | 135 | 68 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | N 9 | N 11 | N 10 | N 10 | N 9 | N 9 | N 9 | N 8 | N 8 | N 8 | N 8 | NNW 10 | N 10 |
| kJ | — | — | — | — | — | — | — | 137 | 220 | 212 | 156 | 83 | 57 | 37 | 35 | 35 | 22 | 12 | 35 | 52 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 11 | N 8 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 12 | 12 | — |
Wind waves Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 10 | — | WNW 10 | WNW 10 | WNW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 322 | 460 | 1495 | — | 1478 | 1795 | 1563 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1206 | 174 | 1227 | 233 | 194 | 550 | 730 | 233 | 2 | 2 | 0 | 148 | 171 | 11 | 31 | 731 | 0 | 2 | 750 | 2 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||
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Information about the Kilcummin Harbour Surf forecast
The above surf forecast table for Kilcummin Harbour provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kilcummin Harbour can be found by selecting the local surf guide option on the grey menu. Our Kilcummin Harbour 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 (Kilcummin Harbour) 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 Kilcummin Harbour 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.
Kilcummin Harbour is 19 km (12 miles) from Ballina. If you plan a holiday in Mayo and Achill Island, look for hotels and other accommodation in Ballina. Ballina has rooms for a wide range of budgets as well as car hire and transport links.
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