Surf Forecasts:
Kilcummin Harbour surf forecast from 10 Jul 2026:
- Best quality surf: Monday 13 Jul, 10PM (local time) - 1.5ft (0.4m), 12s period, W swell with cross-offshore winds.
- Most powerful swell: Friday 10 Jul, 7AM (local time) - 4.5ft (1.4m), 11s period, W swell with 466 kJ wave energy.
- Next surfable swell (1★+): Monday 13 Jul, 10PM (local time) - 1.5ft (0.4m), 12s period with W 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 13) at 10PM. The primary swell is predicted to be 0.4m and 12s period with a secondary swell of 0.3m and 7s. Another secondary swell of 0.6m and 3s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Kilcummin Harbour in the next 16 days are 1.4m 11s and forecast to arrive on Friday (Jul 10) 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 0.3m 2s period and expected on Monday (Jul 13) at 1AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Mon 13th Jul) | 1.5ft (0.4m) 12s |
| Best Surf | 10PM (Mon 13th Jul) | 1.5ft (0.4m) 12s |
| Most Powerful | 7AM (Fri 10th Jul) | 4.5ft (1.4m) 11s |
Table - best surf conditions forecast for Kilcummin Harbour over the next 16 days.
Alright folks, Rusty here. Gotta be straight with you – this next couple of weeks is a tough watch for Kilcummin Harbour. We’re looking at a proper dry spell before anything even starts to get interesting.
Right now, we’ve got nothing on the table. The first real sign of life doesn’t show up until Wednesday, the 22nd of July, and even then it’s barely a whisper. That’s over a week of flat or junk conditions, so don’t bother paddling out until then. The swell energy is virtually non-existent, with figures barely scraping 100 (70) and the winds are all over the shop, mostly onshore. It’s a brutal run.
The first glimmer comes on Wednesday afternoon the 22nd. We’re talking tiny 2ft swell from the west at 9 seconds. The combined energy is still weak (110), but the wind goes light offshore, so it’ll be clean. It’s a knee-high runner at best, but if you’re desperate for a splash, that’s your window.
Now, the real standout is a long way off. It’s a bit of a gamble this far out, but Saturday the 25th of July is looking like the only proper session in the whole outlook. We’ve got a solid 7ft swell from the west, with a period around 10 seconds. The combined energy is up there (816) – that’s a proper pulse. The wind is forecast to be light and offshore from the SSW. That’s a dealmaker. Kilcummin is a reef, and with that West swell direction and clean offshore wind, it could set up nicely. It’s an intermediate wave, and with that size, it’s a bit punchy for beginners but solid for anyone with a bit of experience. Keep an eye on this one, but don’t bank on it yet.
The few days before that, on the 23rd and 24th, we see a bigger 8ft swell, but the conditions are only “marginal” – it’s a sign of energy, but the wind and quality aren’t there to make it a standout. The 25th is the one to circle.
Rusty, signing off.
Short Range ForecastMostly dry. Warm (max 23°C on Sun afternoon, min 12°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Wed afternoon, min 16°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | |||||||||||||||
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 11 | W 10 | WNW 10 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | W 7 | WNW 7 | WNW 7 | W 13 | W 11 | W 10 | W 10 | W 10 | W 9 | W 9 | W 8 | W 9 | NW 8 | WNW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 452 | 326 | 276 | 211 | 137 | 74 | 44 | 28 | 16 | 17 | 29 | 61 | 130 | 94 | 44 | 40 | 25 | 22 | 13 | 17 | 23 |
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-on | cross-off | cross-off | cross-on | cross-off | cross | cross-on | cross-off | cross-off | cross | cross-off | cross-on | on | on |
High Tide | 2:42PM2.70m | 3:03AM2.84m | 3:49PM2.90m | 4:14AM2.94m | 4:50PM3.16m | 5:16AM3.07m | 5:44PM3.43m | 6:12AM3.18m | 6:35PM3.67m | 7:03AM3.23m | 7:23PM3.84m | 7:51AM3.22m | 8:10PM3.90m | ||||||||
Low Tide | 8:16AM0.73m | 8:46PM0.92m | 9:24AM0.64m | 9:59PM0.71m | 10:25AM0.50m | 11:02PM0.46m | 11:20AM0.35m | 11:58PM0.23m | 12:09PM0.21m | 00:50AM0.06m | 12:55PM0.12m | 1:40AM-0.02m | 1:40PM0.10m | 2:27AM-0.00m | |||||||
 | |  |  | |  | | | | | | | | | |  | |  | | | | |
 | 5:15 | — | — | 5:16 | — | — | 5:16 | — | — | 5:18 | — | — | 5:20 | — | — | 5:20 | — | — | 5:22 | — | — |
 | — | — | 10:07 | — | — | 10:07 | — | — | 10:06 | — | — | 10:05 | — | — | 10:04 | — | — | 10:02 | — | — | 10:00 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Temp °C | 15 | 14 | 12 | 13 | 14 | 17 | 21 | 23 | 21 | 20 | 22 | 19 | 21 | 23 | 21 | 22 | 24 | 21 | 19 | 20 | 19 |
Feels °C | 14 | 10 | 7 | 9 | 10 | 16 | 20 | 23 | 20 | 19 | 20 | 19 | 20 | 22 | 21 | 20 | 21 | 20 | 17 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | W 10 | WNW 10 | WNW 9 | WNW 9 | WNW 8 | N 5 | N 5 | WNW 7 | WNW 7 | WNW 7 | W 11 | W 10 | W 10 | W 10 | W 9 | W 9 | W 8 | W 9 | NW 8 | WNW 8 |
| kJ | 452 | 326 | 276 | 211 | 137 | 68 | 25 | 18 | 16 | 17 | 16 | 61 | 130 | 94 | 44 | 40 | 25 | 22 | 13 | 17 | 23 |
Swell 2 Height (m) Direction Period (s) | N 10 | N 10 | — | N 9 | — | — | WNW 8 | W 7 | N 5 | N 5 | W 13 | WNW 9 | W 18 | SW 18 | NNE 4 | W 16 | W 16 | NNE 4 | WNW 9 | W 8 | W 8 |
| kJ | 2 | 2 | — | 2 | — | — | 44 | 28 | 7 | 2 | 29 | 33 | 6 | 12 | 6 | 5 | 5 | 3 | 8 | 13 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | N 8 | — | W 21 | W 14 | W 19 | NNE 4 | W 18 | — | W 18 | — | — | NW 10 | NNE 4 | W 15 | W 12 |
| kJ | — | — | — | — | — | — | 1 | — | 9 | 16 | 7 | 7 | 6 | — | 6 | — | — | 4 | 1 | 4 | 12 |
Wind waves Height (m) Direction Period (s) | — | N 4 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | — | — | ESE 2 | E 3 | ENE 3 | ESE 3 | ENE 3 | NE 2 | ESE 3 | ENE 3 | NE 3 | E 3 | — | — | NNE 4 |
| kJ | — | 14 | 59 | 51 | 78 | 74 | — | — | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 2 | 2 | 1 | — | — | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 55 | 55 | 71 | 39 | 151 | 39 | 11 | 83 | 451 | 256 | 66 | 0 | 10 | 11 | 11 | 52 | 112 | 66 | 66 | 451 | 66 |
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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