
Surf Forecasts:
Kilcummin Harbour surf forecast from 27 Jul 2026:
- Best quality surf: Monday 27 Jul, 7PM (local time) - 5ft (1.6m), 9s period, WNW swell with offshore winds.
- Most powerful swell: Monday 27 Jul, 4PM (local time) - 6ft (1.9m), 10s period, WNW swell with 631 kJ wave energy.
- Next surfable swell (1★+): Monday 27 Jul, 7PM (local time) - 5ft (1.6m), 9s 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 7PM. The primary swell is predicted to be 1.6m and 9s period with a secondary swell of 0.9m and 10s. 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 1.9m 10s and forecast to arrive on Monday (Jul 27) 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 0.7m 3s period and expected on Tuesday (Jul 28) at 4AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Mon 27th Jul) | 5ft (1.6m) 9s |
| Best Surf | 7PM (Mon 27th Jul) | 5ft (1.6m) 9s |
| Most Powerful | 4PM (Mon 27th Jul) | 6ft (1.9m) 10s |
Table - best surf conditions forecast for Kilcummin Harbour over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s coming up for Kilcummin Harbour.
Right off the bat, I gotta be straight with you – the next week and a half is looking pretty flat and grim. We’ve got a real dry spell from now until nearly the end of the first week of August. The swell is tiny, the wind is messy, and there’s just nothing to get excited about. It’s a long gap of quiet days, with energy levels dropping from a weak 150 (31 July) down to a pathetic 55 (1 August). You’d be better off checking the tide pools.
Monday 27 July kicks things off with a 7ft swell from the WNW, but the wind is a cross-off from the WSW at 12 mph. The water is sitting at 62°F which is a touch warmer than normal for this time of year, so that’s nice, but the surf is just marginal. The combined energy is a moderate 967, but it’s not clean enough to call it good. Afternoon drops a little to 6ft, still cross-off, energy down to 827. Not worth suiting up.
Tuesday 28 July is a write-off. Morning has 7ft from the W but with a short 8-second period and cross-off wind at 16 mph. The energy is 601, but it’s poor. By afternoon the swell drops to 5ft, and the wind picks up. Forget it.
From Wednesday 29 July through to Saturday 6 August, the swell is barely 3ft or less. We’re looking at short-period windswell, mostly from the N or NW, with energy dropping below 200. The wind is all over the place – cross-on, cross-off, onshore. It’s not surfable, plain and simple. For a few days there, like Sunday 2 August, you get a little 3ft from the NW with a bit of offshore wind, but it’s still just ordinary. The energy is 125-154, but it’s not enough to push a person around.
Now, hang on. Friday 7 August is where things start to look promising. The morning shows a 5ft swell from the WNW, but with a 9-second period and light offshore wind from the S at 6 mph. The energy jumps to 385, and it’s clean. That’s a good sign. But the real standout is Friday 7 August afternoon: 7ft from the WNW, still 9 seconds, but now the wind is light offshore from the SSE at 6 mph. The energy is a solid 639, and it’s clean. That’s all you’ll get, and it’s worth a look.
Saturday 8 August morning – this is the best of the whole run. You’ve got a 8ft swell from the WNW, an 8-second period, and the wind is glassy. Absolutely glassy. Energy is 737. That’s a proper session for the experienced lot. Keep in mind, at 8ft it’s getting big for beginners, and the period is short, so it’ll be a bit walled up and punchy. But for a reef break, that’s a lot of fun. The afternoon goes to hell with 19 mph onshore wind, so don’t sleep in.
After that, Sunday 9 August drops back into poor conditions with cross-on and onshore wind. But then Monday 10 August morning brings a little 4ft from the N with offshore wind and energy at 275 – clean, but small.
The real second highlight is Tuesday 11 August. Both morning and afternoon have a 4ft and 4ft swell from the WNW, light offshore wind from the SSE or S, and energy around 277 and 265. It’s clean, gentle offshore, and surfable. Not a standout, but a decent little session to end the outlook.
So, to boil it down: the first week is a dud. The best surf on offer is Saturday 8 August morning with glassy conditions and 8ft WNW swell (737 energy). That’s your one true standout. The backup is Friday 7 August afternoon with 7ft and light offshore wind (639 energy). Everything else is either too small, too windy, or too messy. If you’re a beginner, wait for the Monday 11 August sessions.
Rusty.
Short Range ForecastModerate rain (total 13mm), heaviest on Mon afternoon. Very mild (max 19°C on Tue afternoon, min 12°C on Wed night). Winds decreasing (fresh winds from the SW on Mon night, light winds from the WNW by Wed afternoon). | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Thu afternoon. Very mild (max 16°C on Fri afternoon, min 12°C on Thu night). Winds decreasing (fresh winds from the WNW on Thu afternoon, light winds from the WSW by Sat night). | ||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | |||||||||||||||
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) | WNW 10 | WNW 10 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | N 9 | N 8 | N 8 | N 9 | N 8 | N 8 | N 8 | N 7 | W 6 | WNW 6 | NW 7 | NW 7 | NW 8 |
Wave Graph | |||||||||||||||||||||
763 | 631 | 380 | 520 | 297 | 252 | 187 | 124 | 169 | 140 | 108 | 127 | 111 | 84 | 55 | 35 | 18 | 29 | 59 | 68 | 69 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | cross-off | off | cross-on | cross | cross-off | cross-off | cross-on | cross-on | cross-off | cross | cross-off | cross | cross-on | cross-off | cross-off | off | glassy |
High Tide | 5:41PM2.97m | 5:57AM2.72m | 6:18PM3.16m | 6:33AM2.83m | 6:52PM3.32m | 7:06AM2.91m | 7:25PM3.44m | 7:39AM2.96m | 7:56PM3.50m | 8:12AM2.97m | 8:28PM3.50m | 8:46AM2.96m | 9:00PM3.43m | ||||||||
Low Tide | 11:15AM0.78m | 11:52PM0.74m | 11:53AM0.62m | 00:29AM0.59m | 12:27PM0.47m | 1:03AM0.48m | 12:59PM0.37m | 1:36AM0.39m | 1:30PM0.32m | 2:07AM0.34m | 2:02PM0.32m | 2:39AM0.33m | 2:34PM0.38m | 3:12AM0.36m | |||||||
5:39 | — | — | 5:41 | — | — | 5:41 | — | — | 5:43 | — | — | 5:46 | — | — | 5:48 | — | — | 5:48 | — | — | |
— | — | 9:45 | — | — | 9:44 | — | — | 9:42 | — | — | 9:39 | — | — | 9:38 | — | — | 9:37 | — | — | 9:35 | |
mm | 1 | 2 | 4 | 2 | 1 | — | 3 | — | — | — | 1 | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 18 | 17 | 19 | 16 | 14 | 15 | 14 | 15 | 15 | 13 | 15 | 16 | 14 | 16 | 16 | 14 | 14 | 14 | 15 |
Feels °C | 14 | 14 | 15 | 14 | 15 | 15 | 13 | 14 | 13 | 9 | 9 | 9 | 10 | 10 | 11 | 12 | 12 | 13 | 12 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | W 9 | N 9 | N 9 | W 8 | W 8 | W 8 | N 9 | N 8 | N 8 | N 9 | N 8 | N 8 | N 8 | N 7 | N 7 | WNW 6 | NW 7 | NW 7 | N 8 |
763 | 631 | 380 | 81 | 80 | 252 | 187 | 124 | 169 | 140 | 108 | 127 | 111 | 84 | 55 | 35 | 14 | 29 | 59 | 57 | 68 | |
Swell 2 Height (m) Direction Period (s) | N 10 | N 10 | N 10 | — | N 9 | N 9 | N 9 | N 9 | WNW 8 | W 8 | W 7 | W 7 | W 6 | W 6 | W 11 | NW 6 | NW 6 | N 7 | N 9 | N 8 | W 9 |
204 | 196 | 153 | — | 58 | 80 | 80 | 57 | 107 | 55 | 67 | 56 | 39 | 24 | 9 | 5 | 8 | 14 | 53 | 68 | 15 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | S 3 | NNW 11 | — | — | W 9 | — | — | W 11 | W 8 | W 10 | W 9 | WSW 9 | W 9 | W 10 | W 13 |
— | — | — | — | — | — | 1 | 11 | — | — | 24 | — | — | 2 | 1 | 8 | 15 | 15 | 13 | 29 | 3 | |
Wind waves Height (m) Direction Period (s) | — | — | SSW 3 | W 8 | W 8 | SSW 3 | — | — | — | SSW 2 | — | N 4 | — | — | W 6 | W 6 | W 6 | — | — | — | NW 8 |
— | — | 1 | 520 | 297 | 3 | — | — | — | 1 | — | 15 | — | — | 18 | 19 | 18 | — | — | — | 69 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 2 | 2 | 0 | 2 | 2 | 0 | 122 | 2 | 0 | 131 | 129 | 451 | 2 | 587 | 0 | 750 | 608 | 11 | 0 | 0 | 0 |
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.










