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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 12 am Friday 15 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
11.9° C
(Which is slightly warmer than usual)How big are the waves at Kilcummin Harbour today?
The current surf forecast for Kilcummin Harbour at 8AM is: 1.8m 8s primary swell from a North-northwest direction and 0.3m 9s secondary swell from a West direction, 0.1m 15s secondary swell from a West direction (forecast issued at 12:00am May 15). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 4ft (1.2m) | 7s |
| Afternoon (15 May) | 3ft (0.9m) | 8s |
| Evening (15 May) | 2.5ft (0.8m) | 7s |
Table - waves today at Kilcummin Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Sun morning. Very mild (max 11°C on Sat morning, min 8°C on Fri night). Winds increasing (light winds from the SSW on Fri night, fresh winds from the WNW by Sat afternoon). | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | ||||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
N 8 | NNW 8 | NNW 8 | N 7 | WNW 8 | N 7 | N 7 | N 7 | WNW 8 | WNW 8 | W 8 | W 8 | WNW 13 | W 12 | W 12 | W 11 | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | |
364 | 468 | 378 | 156 | 131 | 106 | 68 | 51 | 94 | 96 | 121 | 145 | 236 | 309 | 425 | 1122 | 3198 | 3459 | 3523 | 3265 | 3118 | 2527 | 2246 | 1882 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | on | on | cross-on | cross-on | cross-off | off | cross-off | cross-off | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | |
High Tide | 4:54AM3.38m | 5:29PM3.31m | 5:41AM3.50m | 6:12PM3.49m | 6:29AM3.53m | 6:56PM3.61m | ||||||||||||||||||
Low Tide | 10:42PM0.52m | 11:11AM0.08m | 11:28PM0.29m | 11:53AM-0.02m | 00:14AM0.11m | 12:35PM-0.03m | ||||||||||||||||||
 | |  | | |  | | | | | |  | | |  |  | | | | | |  | |  | |
 | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:32 | — | — | — | — | — | — | — | 9:35 | — | — | — | — | — | — | — | 9:37 | — |
— | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 2 | 2 | 2 | 1 | — | |
Temp °C | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 9 | 10 | 9 | 11 | 11 | 10 | 9 | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 7 |
3 | 3 | 3 | 5 | 5 | 6 | 7 | 7 | 4 | 6 | 7 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 3 | 4 | 3 | 4 | 3 | |
Swell 1 Height (m) Direction Period (s) | NW 8 | W 10 | W 9 | WNW 8 | N 7 | N 7 | N 7 | N 7 | WNW 8 | WNW 8 | W 8 | WNW 14 | WNW 13 | W 12 | W 12 | WNW 14 | NNE 10 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 |
 kJ | 244 | 7 | 15 | 130 | 131 | 106 | 68 | 51 | 94 | 96 | 121 | 111 | 236 | 309 | 425 | 731 | 19 | 3459 | 3523 | 3265 | 3118 | 2527 | 2246 | 1882 |
Swell 2 Height (m) Direction Period (s) | W 9 | W 15 | W 15 | W 9 | WNW 8 | NW 8 | NW 7 | W 7 | N 7 | N 7 | N 7 | N 10 | N 10 | N 10 | WNW 15 | NNE 10 | — | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 |
| kJ | 15 | 4 | 4 | 15 | 120 | 67 | 44 | 51 | 48 | 35 | 36 | 53 | 52 | 51 | 172 | 33 | — | 18 | 18 | 18 | 19 | 19 | 18 | 18 |
Swell 3 Height (m) Direction Period (s) | W 15 | — | — | W 14 | W 9 | W 7 | W 7 | NW 7 | W 16 | WNW 16 | WNW 15 | N 10 | — | N 10 | NNE 10 | — | — | — | — | — | — | — | — | — |
| kJ | 4 | — | — | 4 | 15 | 37 | 24 | 34 | 5 | 24 | 42 | 8 | — | 8 | 33 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 8 | NNW 8 | NNW 8 | N 7 | — | — | — | — | — | W 3 | — | W 8 | WNW 7 | WNW 7 | WNW 7 | W 11 | W 13 | — | — | — | — | — | — | — |
| kJ | 364 | 468 | 378 | 156 | — | — | — | — | — | 6 | — | 145 | 168 | 225 | 293 | 1122 | 3198 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 376 | 151 | 151 | 66 | 227 | 227 | 148 | 0 | 0 | 0 | 0 | 63 | 171 | 450 | 453 | 466 | 194 | 38 | 171 | 2 | 31 | 178 | 117 | 2 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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