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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 pm Monday 11 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 1.0°C warmer than normal for this time of year)How big are the waves at Kilcummin Harbour today?
The current surf forecast for Kilcummin Harbour at 6PM is: 1.7m 9s primary swell from a Northwest direction and 0.8m 8s secondary swell from a North direction (forecast issued at 12:00pm May 11). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 7ft (2.1m) | 8s |
| Afternoon (11 May) | 6ft (1.8m) | 9s |
| Evening (11 May) | 5.5ft (1.7m) | 9s |
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 4mm), mostly falling on Tue night. Very mild (max 11°C on Tue afternoon, min 8°C on Tue night). Winds increasing (light winds from the NW on Mon afternoon, strong winds from the NW by Wed morning). | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 9 | NW 10 | WNW 10 | WNW 10 | WNW 11 | NW 11 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | |
588 | 375 | 525 | 440 | 449 | 493 | 664 | 664 | 964 | 1328 | 1922 | 2448 | 3474 | 5410 | 7270 | 8546 | 7943 | 6963 | 5731 | 4496 | 3607 | 2905 | 2279 | 1730 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 2:14PM2.30m | 2:24AM2.81m | 3:14PM2.53m | 3:17AM3.00m | 4:03PM2.80m | 4:06AM3.20m | ||||||||||||||||||
Low Tide | 8:09AM1.01m | 8:02PM1.17m | 9:03AM0.77m | 9:03PM1.00m | 9:48AM0.50m | 9:55PM0.77m | ||||||||||||||||||
 | |  | |  |  |  | | | | | | | | |  |  | | | | | | |  | |
 | 5:39 | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — |
 | — | — | — | 9:25 | — | — | — | — | — | — | — | 9:28 | — | — | — | — | — | — | — | 9:30 | — | — | — | 9:31 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | |
Temp °C | 10 | 9 | 9 | 9 | 10 | 9 | 10 | 9 | 10 | 10 | 11 | 10 | 9 | 9 | 8 | 9 | 9 | 10 | 10 | 9 | 10 | 10 | 9 | 8 |
4 | 3 | 4 | 5 | 6 | 4 | 4 | 2 | 3 | 2 | 3 | 2 | 0 | -1 | -2 | -1 | -2 | 0 | 0 | -1 | 1 | 2 | 1 | 2 | |
Swell 1 Height (m) Direction Period (s) | W 9 | NW 8 | NW 9 | NW 9 | N 8 | N 9 | W 20 | NNE 9 | N 9 | N 9 | N 9 | N 9 | N 9 | W 18 | W 18 | — | — | — | — | — | W 16 | W 16 | W 16 | W 16 |
 kJ | 14 | 375 | 525 | 440 | 76 | 59 | 7 | 15 | 14 | 15 | 15 | 15 | 6 | 6 | 6 | — | — | — | — | — | 5 | 5 | 5 | 5 |
Swell 2 Height (m) Direction Period (s) | NW 15 | W 9 | N 8 | N 8 | — | W 20 | — | W 19 | WNW 14 | W 19 | W 18 | W 18 | W 18 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 14 | 52 | 90 | — | 7 | — | 7 | 19 | 7 | 6 | 6 | 6 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | WNW 14 | WNW 13 | — | — | — | — | — | W 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 19 | 35 | — | — | — | — | — | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 8 | N 9 | — | — | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 9 | NW 10 | WNW 10 | WNW 10 | WNW 11 | NW 11 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 |
| kJ | 588 | 220 | — | — | 449 | 493 | 664 | 664 | 964 | 1328 | 1922 | 2448 | 3474 | 5410 | 7270 | 8546 | 7943 | 6963 | 5731 | 4496 | 3607 | 2905 | 2279 | 1730 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 255 | 151 | 454 | 454 | 185 | 272 | 270 | 272 | 572 | 531 | 1187 | 506 | 508 | 508 | 534 | 572 | 610 | 1130 | 1263 | 1255 | 1127 | 837 | 531 | 531 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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