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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 13 May 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
12.0° C
(Which is 1.0°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 Saturday (May 16) at 1AM. The primary swell is predicted to be 0.9m and 8s period with a secondary swell of 0.7m and 7s. 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 5.0m 12s and forecast to arrive on Wednesday (May 13) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Monday (May 18) at 7PM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Sat 16th May) | 3ft (0.9m) 8s |
| Best Surf | 1AM (Sun 17th May) | 8ft (2.5m) 13s |
| Most Powerful | 1PM (Wed 13th May) | 16ft (5.0m) 12s |
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 7mm), mostly falling on Wed morning. Very mild (max 10°C on Wed morning, min 7°C on Fri night). Winds decreasing (strong winds from the NNW on Wed afternoon, light winds from the WNW by Fri night). | Days 4-6 Weather SummaryModerate rain (total 12mm), heaviest on Sun morning. Very mild (max 13°C on Mon night, min 6°C on Sun night). Winds increasing (light winds from the SSW on Sun night, fresh winds from the SSE by Mon night). | ||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | Monday 18 | Tuesday 19 | |||||||||||||||
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 12 | NW 12 | NW 10 | NW 10 | NNW 9 | N 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 12 | WNW 13 | W 13 | W 12 | W 12 | W 11 | WNW 11 | WNW 10 | WNW 10 | WSW 9 | WSW 10 | |
7996 | 5672 | 3191 | 1535 | 1080 | 443 | 162 | 103 | 99 | 99 | 323 | 2053 | 2518 | 2210 | 1438 | 951 | 685 | 324 | 107 | 101 | 118 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-off | off | cross | cross-off | off | cross-off | cross-off | off | cross-off | off | off | cross-off | off | |
High Tide | 4:03PM2.80m | 4:06AM3.20m | 4:47PM3.07m | 4:54AM3.38m | 5:29PM3.31m | 5:41AM3.50m | 6:12PM3.49m | 6:29AM3.53m | 6:56PM3.61m | 7:17AM3.46m | 7:41PM3.64m | 8:08AM3.30m | 8:30PM3.60m | ||||||||
Low Tide | 9:55PM0.77m | 10:30AM0.26m | 10:42PM0.52m | 11:11AM0.08m | 11:28PM0.29m | 11:53AM-0.02m | 00:14AM0.11m | 12:35PM-0.03m | 1:01AM0.03m | 1:18PM0.04m | 1:51AM0.05m | 2:03PM0.18m | 2:43AM0.17m | ||||||||
 | |  |  | | |  | | | | | | | |  | | |  | | | | |
 | 5:37 | — | — | 5:35 | — | — | 5:33 | — | — | 5:31 | — | — | 5:30 | — | — | 5:28 | — | — | 5:26 | — | — |
 | — | — | 9:30 | — | — | 9:31 | — | — | 9:32 | — | — | 9:35 | — | — | 9:37 | — | — | 9:37 | — | — | 9:39 |
2 | 2 | — | 2 | 1 | — | — | — | — | 2 | — | — | 3 | 3 | 2 | 1 | — | 1 | — | 1 | — | |
Temp °C | 10 | 10 | 9 | 9 | 10 | 9 | 10 | 10 | 9 | 9 | 11 | 9 | 11 | 10 | 8 | 9 | 12 | 13 | 13 | 14 | 13 |
0 | 0 | 0 | 3 | 2 | 2 | 5 | 5 | 6 | 5 | 5 | 4 | 6 | 5 | 4 | 4 | 6 | 10 | 9 | 9 | 9 | |
Swell 1 Height (m) Direction Period (s) | — | — | W 16 | W 16 | W 15 | NW 8 | WNW 8 | N 7 | WNW 8 | WNW 8 | WNW 12 | WNW 13 | W 13 | W 12 | W 12 | W 11 | WNW 11 | WNW 10 | WNW 10 | WSW 9 | WSW 10 |
 kJ | — | — | 5 | 5 | 4 | 250 | 162 | 103 | 99 | 99 | 323 | 2053 | 2518 | 2210 | 1438 | 951 | 685 | 324 | 107 | 101 | 118 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | W 9 | W 9 | WNW 8 | N 7 | N 10 | N 10 | NNE 10 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | N 8 | WSW 9 | WNW 9 | W 12 |
| kJ | — | — | — | — | — | 15 | 15 | 101 | 51 | 73 | 52 | 33 | 29 | 17 | 17 | 8 | 8 | 6 | 50 | 50 | 72 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 15 | W 14 | W 9 | W 16 | W 14 | N 10 | — | — | — | — | — | — | — | W 14 | W 13 | WNW 9 |
| kJ | — | — | — | — | — | 4 | 4 | 57 | 5 | 98 | 18 | — | — | — | — | — | — | — | 14 | 31 | 25 |
Wind waves Height (m) Direction Period (s) | NW 12 | NW 12 | NW 10 | NW 10 | NNW 9 | N 8 | N 7 | — | — | S 3 | WNW 7 | — | — | S 3 | — | — | SE 3 | SE 4 | SE 4 | S 3 | WSW 4 |
| kJ | 7996 | 5672 | 3191 | 1535 | 1080 | 443 | 152 | — | — | 3 | 158 | — | — | 5 | — | — | 9 | 28 | 3 | 1 | 25 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 600 | 1069 | 610 | 1203 | 508 | 468 | 151 | 297 | 0 | 0 | 132 | 0 | 0 | 166 | 0 | 0 | 38 | 38 | 0 | 2 | 0 |
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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