Surf Forecasts:
Kilcummin Harbour surf forecast from 11 Jul 2026:
- Best quality surf: Tuesday 14 Jul, 10AM (local time) - 2.5ft (0.7m), 10s period, W swell with cross-offshore winds.
- Most powerful swell: Saturday 11 Jul, 1PM (local time) - 3.5ft (1.0m), 9s period, WNW swell with 169 kJ wave energy.
- Next surfable swell (1★+): Tuesday 14 Jul, 10AM (local time) - 2.5ft (0.7m), 10s 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 Tuesday (Jul 14) at 10AM. The primary swell is predicted to be 0.7m and 10s period with a secondary swell of 0.1m and 18s. Another secondary swell of 0.4m 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 1.0m 9s and forecast to arrive on Saturday (Jul 11) at 1PM. 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 3s period and expected on Wednesday (Jul 15) at 10PM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Tue 14th Jul) | 2.5ft (0.7m) 10s |
| Best Surf | 10AM (Tue 14th Jul) | 2.5ft (0.7m) 10s |
| Most Powerful | 1PM (Sat 11th Jul) | 3.5ft (1.0m) 9s |
Table - best surf conditions forecast for Kilcummin Harbour over the next 16 days.
Alright, Rusty here. Let's talk about what's coming our way for the next couple of weeks.
Right now, it’s a pretty bleak start. Kilcummin Harbour is just not doing anything for us. The energy is weak, the winds are messy, and the swell is tiny. Honestly, for the first week, you’re looking at a long, flat spell. There is nothing worth paddling out for from the 11th right through to the 19th. The wave heights barely tickle 2 feet, and the wind is constantly on it or cross-shore, just chopping everything up. You’d be wasting your time.
We finally get a little glimmer on the 20th – Monday morning has a clean offshore wind with a small 2ft swell, but it’s weak and not really worth getting excited about.
The real standout of the whole outlook, the one you should circle on your calendar, is Tuesday the 21st. The morning session at Kilcummin Harbour is looking like the best of the lot. We’ve got a clean 6ft swell from the west rolling in with a light offshore wind from the south-southwest. The wave energy is solid at (429), and with those clean conditions, the waves should have some real push to them. It’s intermediate-friendly at that size. The afternoon gets a bit too chunky and cross-shore, so get it early.
A little further out, the morning of Saturday the 25th is worth a mention. A bigger 8ft swell from the north-west with a clean offshore from the south. That’s proper size – only for experienced surfers though. The energy is substantial too, coming in at (492). It’s a bit of a long-range call, so don’t lock it in just yet, but it has potential.
Overall, it’s a tough start. Be patient, wait for that 21st, and maybe keep an eye on the 25th. The water temperature is about average for this time of year at 59° covering the first recommended spot.
Rusty.
Short Range ForecastMostly dry. Warm (max 23°C on Sun afternoon, min 12°C on Sat morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Thu night. Warm (max 23°C on Tue afternoon, min 17°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | |||||||||||||||
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 9 | WNW 9 | WNW 8 | WNW 8 | W 7 | N 5 | WNW 7 | W 13 | W 11 | W 10 | W 10 | W 10 | WSW 9 | WSW 9 | WSW 8 | W 9 | W 8 | NNE 4 | N 5 | N 5 | NNW 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 211 | 137 | 69 | 44 | 28 | 20 | 18 | 29 | 60 | 102 | 69 | 46 | 27 | 28 | 24 | 14 | 12 | 17 | 52 | 27 | 72 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross | cross-on | cross | cross | cross-on | cross | cross-off | cross-on | cross-on | cross | cross | cross | cross-on | on | cross | glassy | on | on |
High Tide | 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 | 8:37AM3.14m | 8:55PM3.83m | ||||||||
Low Tide | 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 | 2:23PM0.15m | 3:13AM0.11m | ||||||||
 |  |  | | |  | | | | | | | | |  | | | | | | | |
 | 5:16 | — | — | 5:16 | — | — | 5:18 | — | — | 5:20 | — | — | 5:20 | — | — | 5:22 | — | — | 5:24 | — | — |
 | — | — | 10:07 | — | — | 10:06 | — | — | 10:05 | — | — | 10:04 | — | — | 10:02 | — | — | 10:00 | — | — | 10:00 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | 2 | — | — | — |
Temp °C | 12 | 13 | 14 | 20 | 23 | 21 | 20 | 22 | 19 | 20 | 23 | 21 | 20 | 23 | 22 | 20 | 20 | 18 | 19 | 20 | 15 |
Feels °C | 7 | 8 | 13 | 18 | 22 | 20 | 18 | 20 | 17 | 18 | 21 | 20 | 19 | 23 | 23 | 20 | 19 | 18 | 19 | 19 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 8 | N 5 | N 5 | N 5 | WNW 7 | WNW 7 | NNE 5 | W 10 | W 10 | W 10 | WSW 9 | WSW 9 | WSW 8 | W 9 | W 8 | W 8 | W 8 | W 8 | NW 9 |
| kJ | 211 | 137 | 68 | 36 | 19 | 20 | 18 | 17 | 14 | 102 | 69 | 46 | 27 | 28 | 24 | 14 | 12 | 12 | 12 | 12 | 22 |
Swell 2 Height (m) Direction Period (s) | N 9 | — | N 9 | WNW 8 | W 7 | WNW 7 | NNE 5 | W 13 | W 11 | W 18 | SW 18 | W 18 | W 11 | W 16 | NNE 4 | W 15 | W 15 | W 15 | W 12 | WNW 11 | W 8 |
| kJ | 2 | — | 1 | 44 | 28 | 16 | 4 | 29 | 60 | 6 | 12 | 6 | 2 | 5 | 1 | 5 | 4 | 4 | 3 | 12 | 12 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 21 | W 14 | NW 10 | WNW 9 | — | — | — | W 16 | — | E 3 | — | — | — | W 14 | W 13 | — |
| kJ | — | — | — | — | — | 9 | 16 | 4 | 16 | — | — | — | 5 | — | 1 | — | — | — | 4 | 4 | — |
Wind waves Height (m) Direction Period (s) | N 5 | NNE 5 | NNE 5 | ENE 3 | ENE 3 | E 3 | E 3 | NE 3 | E 3 | ENE 3 | NE 3 | ENE 4 | ENE 3 | ENE 3 | — | NNE 3 | NNE 4 | NNE 4 | N 5 | N 5 | NNW 5 |
| kJ | 45 | 78 | 69 | 1 | 2 | 3 | 3 | 3 | 6 | 4 | 3 | 11 | 6 | 3 | — | 1 | 6 | 17 | 52 | 27 | 72 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 71 | 151 | 39 | 10 | 83 | 453 | 256 | 66 | 11 | 0 | 11 | 11 | 66 | 67 | 66 | 66 | 282 | 66 | 2 | 574 | 112 |
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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