Surf Forecasts:
Kilcummin Harbour surf forecast from 5 Aug 2026:
- Best quality surf: Friday 7 Aug, 10PM (local time) - 7ft (2.1m), 10s period, WNW swell with offshore winds.
- Most powerful swell: Wednesday 5 Aug, 10AM (local time) - 10ft (3.0m), 9s period, NNW swell with 1,567 kJ wave energy.
- Next surfable swell (1★+): Thursday 6 Aug, 7AM (local time) - 4.5ft (1.3m), 8s period with N 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 Thursday (Aug 06) at 7AM. The primary swell is predicted to be 1.3m and 8s period with a secondary swell of 0.3m and 10s. Another secondary swell of 0.6m and 5s 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 3.0m 9s and forecast to arrive on Wednesday (Aug 05) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Wednesday (Aug 12) at 4AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Thu 6th Aug) | 4.5ft (1.3m) 8s |
| Best Surf | 10PM (Fri 7th Aug) | 7ft (2.1m) 10s |
| Most Powerful | 10AM (Wed 5th Aug) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for Kilcummin Harbour over the next 16 days.
Short Range ForecastLight rain (total 6mm), mostly falling on Wed morning. Very mild (max 17°C on Thu afternoon, min 12°C on Wed night). Winds decreasing (fresh winds from the NW on Wed morning, light winds from the WSW by Wed night). | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Sun night. Very mild (max 18°C on Sat morning, min 12°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | |||||||||||||||
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) | NNW 9 | NNW 9 | N 8 | N 8 | N 7 | W 5 | WNW 8 | WNW 10 | WNW 10 | W 9 | W 9 | WNW 9 | WNW 10 | WNW 9 | WNW 8 | NNW 11 | N 11 | N 10 | N 10 | N 9 | N 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1567 | 1159 | 363 | 141 | 67 | 53 | 402 | 951 | 752 | 465 | 484 | 554 | 894 | 778 | 629 | 478 | 441 | 237 | 184 | 106 | 78 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | cross-off | cross-on | cross-on | on | cross-on | cross-off | cross-off | cross-off |
High Tide | 10:46AM2.74m | 11:02PM2.95m | 11:42AM2.63m | 00:04AM2.74m | 12:54PM2.57m | 1:26AM2.61m | 2:20PM2.64m | 2:57AM2.62m | 3:40PM2.86m | 4:15AM2.77m | 4:44PM3.18m | 5:15AM2.96m | 5:37PM3.50m | ||||||||
Low Tide | 4:35PM0.79m | 5:18AM0.72m | 5:36PM0.95m | 6:23AM0.88m | 7:00PM1.06m | 7:48AM0.94m | 8:38PM0.99m | 9:12AM0.86m | 10:00PM0.75m | 10:19AM0.66m | 11:03PM0.45m | 11:12AM0.43m | 11:55PM0.18m | ||||||||
 |  |  |  | |  | | |  | |  |  | | |  |  | | | | | | |
 | 5:54 | — | — | 5:56 | — | — | 5:58 | — | — | 6:00 | — | — | 6:01 | — | — | 6:03 | — | — | 6:05 | — | — |
 | — | — | 9:29 | — | — | 9:27 | — | — | 9:24 | — | — | 9:22 | — | — | 9:21 | — | — | 9:19 | — | — | 9:16 |
mm | 3 | 1 | — | — | — | — | — | — | 2 | 1 | — | — | — | — | 4 | — | — | — | — | — | — |
Temp °C | 14 | 14 | 13 | 16 | 17 | 14 | 17 | 17 | 15 | 18 | 18 | 16 | 17 | 18 | 15 | 14 | 14 | 14 | 15 | 16 | 16 |
Feels °C | 8 | 7 | 8 | 12 | 13 | 11 | 12 | 12 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 10 | 11 | 12 | 12 | 14 | 12 |
Swell 1 Height (m) Direction Period (s) | — | W 9 | N 8 | N 8 | N 7 | N 7 | WNW 8 | WNW 10 | WNW 10 | W 9 | W 9 | N 10 | N 9 | N 9 | N 9 | WNW 8 | N 11 | N 10 | N 10 | N 9 | N 9 |
| kJ | — | 15 | 363 | 141 | 67 | 15 | 402 | 951 | 752 | 465 | 484 | 2 | 6 | 6 | 15 | 361 | 441 | 237 | 184 | 106 | 78 |
Swell 2 Height (m) Direction Period (s) | — | — | W 10 | W 10 | W 10 | W 9 | N 7 | N 7 | — | N 10 | N 10 | — | — | — | N 14 | NNW 11 | NW 9 | WNW 8 | WNW 8 | NW 8 | WSW 11 |
| kJ | — | — | 18 | 17 | 30 | 16 | 4 | 1 | — | 2 | 2 | — | — | — | 4 | 478 | 190 | 110 | 80 | 77 | 66 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | NW 9 | — | — | — | — | N 11 | — | — | — | — | W 11 | W 7 | NW 9 | W 9 | W 9 | NW 8 |
| kJ | — | — | — | — | — | 3 | — | — | — | — | 2 | — | — | — | — | 2 | 65 | 41 | 6 | 7 | 28 |
Wind waves Height (m) Direction Period (s) | NNW 9 | NNW 9 | WNW 6 | WNW 5 | W 5 | W 5 | — | — | — | S 4 | — | WNW 9 | WNW 10 | WNW 9 | WNW 8 | — | — | — | SE 2 | SE 3 | SE 3 |
| kJ | 1567 | 1159 | 103 | 23 | 31 | 53 | — | — | — | 7 | — | 554 | 894 | 778 | 629 | — | — | — | 1 | 2 | 9 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 531 | 549 | 2 | 0 | 245 | 11 | 2 | 174 | 0 | 0 | 2 | 0 | 0 | 171 | 233 | 280 | 69 | 39 | 0 | 0 | 10 |
Best forecast wave conditions in Mayo and Achill Island | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Kilcummin Harbour surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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