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Kilcummin Harbour Surf Forecast
/ Mayo and Achill Island (14 surf breaks) /
Surf Forecasts:
Kilcummin Harbour surfForecast / Mayo and Achill Island / Ireland
16 Day Weather and Surf, issued 6 am Wednesday 29 Apr 2026 ISTForecast update in hr min s Forecast update imminent
Kilcummin Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kilcummin Harbour sea temperature is
11.5° C
(Which is 1.1°C warmer than normal for this time of year)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 (Apr 30) at 7AM. The primary swell is predicted to be 2.2m and 14s period with a secondary swell of 0.9m and 11s. 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 4.0m 13s and forecast to arrive on Wednesday (May 06) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Thu 30th Apr) | 7ft (2.2m) 14s |
| Best Surf | 10AM (Wed 6th May) | 13ft (4.0m) 13s |
| Most Powerful | 10AM (Wed 6th May) | 13ft (4.0m) 13s |
Table - best surf conditions forecast for Kilcummin Harbour over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Thu afternoon. Very mild (max 15°C on Wed afternoon, min 8°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 12°C on Sat morning, min 9°C on Sat night). Winds increasing (calm on Sat morning, fresh winds from the NW by Mon night). | ||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 1 | Saturday 2 | Sunday 3 | Monday 4 | Tuesday 5 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
NW 18 | WNW 16 | NW 15 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | NW 10 | NW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | NW 7 | NW 8 | WNW 10 | N 10 | |
711 | 2032 | 2010 | 1621 | 1216 | 809 | 518 | 411 | 382 | 347 | 327 | 207 | 211 | 176 | 132 | 88 | 134 | 299 | 542 | 769 | 1265 | |
Wind (km/h) | |||||||||||||||||||||
cross-off | cross | cross-off | cross-off | cross-off | cross-off | off | cross-off | glassy | glassy | on | on | cross-on | on | on | on | cross-on | cross-on | cross-on | on | on | |
High Tide | 5:32PM3.08m | 5:39AM3.29m | 6:05PM3.21m | 6:14AM3.27m | 6:36PM3.28m | 6:47AM3.21m | 7:06PM3.31m | 7:19AM3.12m | 7:37PM3.27m | 7:52AM2.98m | 8:10PM3.19m | 8:26AM2.82m | 8:45PM3.06m | ||||||||
Low Tide | 11:17AM0.30m | 11:26PM0.50m | 11:48AM0.25m | 00:01AM0.41m | 12:18PM0.24m | 00:35AM0.36m | 12:47PM0.27m | 1:08AM0.36m | 1:17PM0.35m | 1:42AM0.43m | 1:48PM0.47m | 2:17AM0.55m | 2:19PM0.61m | 2:54AM0.72m | |||||||
 | |  |  | |  |  | | |  | |  | | | | | | | |  | | |
 | 6:03 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — | 5:56 | — | — | 5:54 | — | — | 5:52 | — | — |
 | — | — | 9:04 | — | — | 9:06 | — | — | 9:07 | — | — | 9:09 | — | — | 9:12 | — | — | 9:14 | — | — | 9:15 |
— | — | — | 1 | 5 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | |
Temp °C | 12 | 15 | 12 | 11 | 11 | 11 | 13 | 15 | 12 | 12 | 12 | 10 | 10 | 10 | 9 | 10 | 11 | 9 | 8 | 8 | 8 |
7 | 10 | 8 | 7 | 7 | 8 | 11 | 13 | 10 | 11 | 9 | 7 | 6 | 5 | 5 | 6 | 7 | 4 | -1 | -1 | 1 | |
Swell 1 Height (m) Direction Period (s) | W 12 | WNW 16 | NW 15 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | NW 10 | NW 9 | WNW 9 | WNW 9 | WNW 9 | N 8 | — | WNW 11 | NNW 10 | N 10 |
 kJ | 411 | 2032 | 2010 | 1621 | 1216 | 809 | 518 | 411 | 382 | 347 | 327 | 207 | 211 | 176 | 127 | 88 | 33 | — | 45 | 769 | 1265 |
Swell 2 Height (m) Direction Period (s) | NW 18 | W 11 | WSW 11 | WSW 11 | WSW 10 | W 10 | W 11 | WSW 10 | WSW 10 | W 9 | W 9 | — | N 11 | N 10 | — | N 8 | — | — | NNW 12 | — | — |
| kJ | 711 | 319 | 198 | 128 | 80 | 52 | 59 | 35 | 18 | 2 | 2 | — | 39 | 69 | — | 69 | — | — | 30 | — | — |
Swell 3 Height (m) Direction Period (s) | NNE 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 9 | — | — |
| kJ | 32 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | — | — |
Wind waves Height (m) Direction Period (s) | — | NE 9 | — | — | — | — | — | — | — | — | — | N 4 | — | N 3 | N 9 | — | WNW 8 | NW 7 | NW 8 | WNW 10 | WNW 9 |
| kJ | — | 20 | — | — | — | — | — | — | — | — | — | 12 | — | 6 | 132 | — | 134 | 299 | 542 | 741 | 846 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 10 | 39 | 39 | 11 | 10 | 0 | 0 | 0 | 0 | 0 | 55 | 39 | 39 | 86 | 55 | 55 | 504 | 151 | 531 | 801 | 151 |
Best forecast wave conditions in Mayo and Achill Island | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
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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