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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 Sunday 10 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
12.1° C
(Which is 1.1°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 12PM is: 1.7m 10s primary swell from a North direction and 0.4m 10s secondary swell from a West direction, 0.3m 10s secondary swell from a West direction (forecast issued at 06:00am May 10). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 5ft (1.6m) | 11s |
| Afternoon (10 May) | 5.5ft (1.7m) | 10s |
| Evening (10 May) | 5ft (1.6m) | 10s |
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 3mm), mostly falling on Sun night. Very mild (max 11°C on Tue afternoon, min 8°C on Tue night). Winds increasing (light winds from the NNW on Mon afternoon, strong winds from the WNW by Tue night). | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
N 11 | N 11 | N 11 | N 10 | NNW 10 | NNW 10 | NNW 10 | NNW 8 | NNW 8 | NNW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | WNW 9 | NW 7 | NW 8 | NW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | |
843 | 661 | 575 | 644 | 523 | 461 | 472 | 435 | 555 | 634 | 418 | 514 | 440 | 440 | 525 | 525 | 564 | 539 | 767 | 966 | 1279 | 1855 | 2352 | 3250 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | |
High Tide | 1:00PM2.16m | 1:23AM2.67m | 2:14PM2.30m | 2:24AM2.81m | 3:14PM2.53m | |||||||||||||||||||
Low Tide | 6:57AM1.18m | 6:43PM1.25m | 8:09AM1.01m | 8:02PM1.17m | 9:03AM0.77m | 9:03PM1.00m | ||||||||||||||||||
 |  |  | | | |  | |  |  | | | | | | | | | | | | | | | |
 | 5:41 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | 5:37 |
 | — | — | — | — | — | 9:24 | — | — | — | — | — | — | — | 9:25 | — | — | — | — | — | — | — | 9:28 | — | 9:30 |
— | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 8 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 9 | 10 | 9 | 10 | 10 | 11 | 10 | 10 | 9 |
2 | 3 | 3 | 4 | 3 | 3 | 3 | 4 | 4 | 5 | 4 | 5 | 5 | 6 | 6 | 4 | 5 | 3 | 3 | 3 | 3 | 2 | 2 | -1 | |
Swell 1 Height (m) Direction Period (s) | W 10 | NW 8 | NW 8 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | NW 9 | NW 9 | NW 9 | NW 9 | N 9 | N 9 | N 9 | NNE 9 | NNE 9 | N 9 | N 9 | N 9 | N 9 | N 9 |
 kJ | 33 | 40 | 45 | 30 | 17 | 17 | 16 | 15 | 15 | 14 | 418 | 514 | 440 | 440 | 78 | 59 | 40 | 26 | 26 | 26 | 15 | 15 | 14 | 14 |
Swell 2 Height (m) Direction Period (s) | — | W 10 | W 10 | — | — | — | — | — | — | W 15 | N 8 | N 8 | N 8 | N 9 | — | W 20 | W 20 | W 19 | WNW 14 | W 19 | W 18 | W 18 | W 18 | — |
| kJ | — | 31 | 17 | — | — | — | — | — | — | 4 | 199 | 71 | 52 | 74 | — | 7 | 7 | 7 | 36 | 7 | 6 | 6 | 6 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | W 9 | W 9 | W 9 | — | — | — | — | — | W 19 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 14 | 14 | 14 | — | — | — | — | — | 7 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 11 | N 11 | N 11 | N 10 | NNW 10 | NNW 10 | NNW 10 | NNW 8 | NNW 8 | NNW 8 | — | — | — | — | NW 9 | NW 9 | WNW 9 | NW 7 | NW 8 | NW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 843 | 661 | 575 | 644 | 523 | 461 | 472 | 435 | 555 | 634 | — | — | — | — | 525 | 525 | 564 | 539 | 767 | 966 | 1279 | 1855 | 2352 | 3250 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 609 | 39 | 281 | 830 | 534 | 285 | 540 | 492 | 473 | 451 | 281 | 253 | 454 | 303 | 174 | 272 | 272 | 227 | 531 | 300 | 506 | 227 | 506 | 508 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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