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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 Tuesday 12 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 8PM is: 4.0m 10s primary swell from a West-northwest direction and 0.3m 9s secondary swell from a North direction, 0.1m 18s secondary swell from a West direction (forecast issued at 12:00pm May 12). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 8ft (2.5m) | 8s |
| Afternoon (12 May) | 10ft (3.0m) | 9s |
| Evening (12 May) | 13ft (4.0m) | 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 8mm), mostly falling on Tue night. Very mild (max 11°C on Tue afternoon, min 8°C on Tue night). Winds decreasing (strong winds from the WNW on Tue night, light winds from the N by Thu night). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 8 | NW 9 | WNW 10 | WNW 10 | WNW 10 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 8 | N 8 | N 8 | N 8 | |
964 | 1299 | 1780 | 2420 | 3780 | 6267 | 8484 | 9362 | 8653 | 7000 | 6105 | 4878 | 3935 | 3191 | 2598 | 2095 | 1659 | 1366 | 1221 | 1026 | 844 | 364 | 291 | 217 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | |
High Tide | 3:14PM2.53m | 3:17AM3.00m | 4:03PM2.80m | 4:06AM3.20m | 4:47PM3.07m | 4:54AM3.38m | ||||||||||||||||||
Low Tide | 9:03AM0.77m | 9:03PM1.00m | 9:48AM0.50m | 9:55PM0.77m | 10:30AM0.26m | 10:42PM0.52m | ||||||||||||||||||
 | |  | |  |  |  | |  | | | |  | | |  |  | | | |  | | | | |
 | 5:39 | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — |
 | — | — | — | 9:28 | — | — | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:31 | — | — | — | 9:32 |
— | — | — | — | — | 1 | 1 | — | 1 | 1 | — | 1 | — | — | 1 | — | 1 | 1 | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 11 | 10 | 9 | 9 | 8 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 9 |
2 | 2 | 3 | 2 | -1 | -1 | -3 | -1 | -1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 2 | 2 | 2 | 1 | 2 | 3 | 4 | |
Swell 1 Height (m) Direction Period (s) | N 9 | N 9 | N 9 | N 9 | N 9 | W 18 | — | — | — | — | — | — | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | W 15 | W 10 | W 15 | WNW 8 | WNW 8 | WNW 8 |
 kJ | 24 | 15 | 15 | 15 | 6 | 6 | — | — | — | — | — | — | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 8 | 4 | 224 | 224 | 197 |
Swell 2 Height (m) Direction Period (s) | WNW 14 | W 19 | W 18 | W 18 | W 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 15 | — | W 9 | W 15 | W 15 |
| kJ | 19 | 7 | 6 | 6 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | 15 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | W 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 15 | — | — |
| kJ | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — |
Wind waves Height (m) Direction Period (s) | NW 8 | NW 9 | WNW 10 | WNW 10 | WNW 10 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 8 | N 8 | N 8 | N 8 |
| kJ | 964 | 1299 | 1780 | 2420 | 3780 | 6267 | 8484 | 9362 | 8653 | 7000 | 6105 | 4878 | 3935 | 3191 | 2598 | 2095 | 1659 | 1366 | 1221 | 1026 | 844 | 364 | 291 | 217 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 553 | 630 | 735 | 508 | 506 | 508 | 554 | 531 | 600 | 1069 | 1063 | 1063 | 610 | 837 | 585 | 531 | 659 | 659 | 297 | 508 | 387 | 444 | 297 | 151 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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