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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
48hr Weather and Surf, issued 6 pm Monday 20 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
9.7° C
(Which is normal for this time of year)How big are the waves at Kilcummin Harbour today?
The current surf forecast for Kilcummin Harbour at 1AM is: 1.4m 12s primary swell from a West direction and 0.4m 8s secondary swell from a North direction, 1.0m 5s secondary swell from a Northeast direction (forecast issued at 06:00pm April 20). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 5.5ft (1.7m) | 14s |
| Afternoon (21 Apr) | 5ft (1.6m) | 14s |
| Evening (21 Apr) | 4.5ft (1.3m) | 13s |
Table - waves today at Kilcummin Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 12 | 12 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 5 | 5 | 11 | 5 | 10 | 4 | 4 | 4 | 4 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 610 | 796 | 749 | 593 | 683 | 1207 | 1127 | 1090 | 778 | 653 | 440 | 313 | 203 | 140 | 98 | 68 | 37 | 20 | 19 | 24 | 27 | 24 | 18 | 10 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross- off | cross- off | cross | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:39PM 3.50 | 9:05AM 3.18 | 9:28PM 3.33 | 10:00AM 2.85 | 10:26PM 3.13 | 11:08AM 2.54 | ||||||||||||||||||
Low Tide / height (m) | 2:17PM 0.11 | 2:46AM 0.18 | 3:00PM 0.37 | 3:40AM 0.41 | 3:50PM 0.66 | 4:46AM 0.68 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:18 | - | - |
| Sunset | - | 8:47 | - | - | - | - | - | - | - | 8:49 | - | - | - | - | - | - | - | 8:51 | - | - | - | - | - | - |
 |  |  | |  | | | |  | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 8 | 11 | 10 | 8 | 7 | 8 | 10 | 11 | 11 | 10 | 8 | 7 | 6 | 7 | 11 | 12 | 11 | 10 | 9 | 8 | 7 | 8 | 12 |
| Feels °C (?) | 3 | 2 | 7 | 6 | 4 | 3 | 1 | 3 | 3 | 4 | 3 | 1 | -1 | -2 | -1 | 3 | 5 | 5 | 4 | 3 | 2 | 1 | 2 | 6 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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.
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