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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 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
11.7° C
(Which is slightly warmer than usual)How big are the waves at Kilcummin Harbour today?
The current surf forecast for Kilcummin Harbour at 1PM is: 1.0m 8s primary swell from a West-northwest direction and 1.0m 7s secondary swell from a North direction (forecast issued at 06:00am May 15). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 5.5ft (1.7m) | 8s |
| Afternoon (15 May) | 3.5ft (1.0m) | 7s |
| 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 ForecastModerate rain (total 11mm), heaviest on Sat morning. Very mild (max 12°C on Sat morning, min 7°C on Sun night). Winds increasing (calm on Fri afternoon, fresh winds from the WNW by Sat afternoon). | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNW 8 | NNW 8 | N 7 | WNW 8 | NW 8 | N 7 | N 7 | WNW 8 | W 8 | W 8 | W 8 | WNW 13 | WNW 12 | W 12 | W 11 | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | |
468 | 339 | 156 | 120 | 86 | 68 | 51 | 94 | 115 | 118 | 118 | 232 | 323 | 1312 | 1223 | 3246 | 3405 | 3502 | 3265 | 3118 | 2527 | 2246 | 1882 | 1686 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross-on | 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 | 11:11AM0.08m | 11:28PM0.29m | 11:53AM-0.02m | 00:14AM0.11m | 12:35PM-0.03m | |||||||||||||||||||
 |  | | |  | | | | | |  |  | | |  | | | | | | | | | | |
 | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | 5:28 |
 | — | — | — | — | — | 9:32 | — | — | — | — | — | — | — | 9:35 | — | — | — | — | — | — | — | 9:37 | — | 9:37 |
— | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | 2 | 1 | 2 | 2 | 1 | — | — | |
Temp °C | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 12 | 11 | 10 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 8 | 7 |
4 | 4 | 5 | 5 | 7 | 7 | 7 | 6 | 7 | 7 | 6 | 6 | 4 | 3 | 3 | 2 | 3 | 2 | 3 | 3 | 4 | 4 | 4 | 4 | |
Swell 1 Height (m) Direction Period (s) | W 10 | W 9 | N 7 | N 7 | N 7 | N 7 | N 7 | WNW 8 | W 8 | W 8 | WNW 14 | WNW 13 | WNW 12 | WNW 15 | WNW 14 | NNE 10 | NNE 10 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 |
 kJ | 7 | 15 | 156 | 108 | 86 | 68 | 51 | 94 | 115 | 118 | 110 | 232 | 323 | 172 | 704 | 32 | 18 | 3502 | 3265 | 3118 | 2527 | 2246 | 1882 | 1686 |
Swell 2 Height (m) Direction Period (s) | W 15 | W 15 | WNW 8 | WNW 8 | NW 8 | NW 7 | W 7 | N 7 | N 7 | N 7 | N 10 | N 10 | N 10 | NNE 10 | NNE 10 | — | — | NNE 9 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 9 | NNE 9 |
| kJ | 4 | 4 | 130 | 120 | 67 | 44 | 36 | 48 | 35 | 36 | 53 | 53 | 52 | 33 | 33 | — | — | 17 | 18 | 19 | 18 | 18 | 17 | 17 |
Swell 3 Height (m) Direction Period (s) | — | — | W 9 | W 9 | W 7 | W 7 | NW 7 | W 16 | WNW 16 | WNW 15 | N 7 | N 10 | N 10 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 15 | 15 | 25 | 24 | 34 | 5 | 24 | 42 | 14 | 8 | 8 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 8 | NNW 8 | — | — | — | — | — | — | — | WSW 3 | W 8 | WNW 6 | WNW 7 | W 12 | W 11 | W 13 | W 13 | — | — | — | — | — | — | — |
| kJ | 468 | 339 | — | — | — | — | — | — | — | 2 | 118 | 135 | 186 | 1312 | 1223 | 3246 | 3405 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 151 | 151 | 256 | 227 | 227 | 0 | 0 | 0 | 0 | 0 | 15 | 138 | 256 | 454 | 453 | 459 | 194 | 171 | 178 | 145 | 31 | 166 | 2 | 0 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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