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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 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
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 9AM is: 1.6m 9s primary swell from a Northwest direction and 0.3m 9s secondary swell from a West direction, 1.4m 8s secondary swell from a North direction (forecast issued at 12:00am May 11). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 5ft (1.6m) | 9s |
| Afternoon (11 May) | 5ft (1.6m) | 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 6mm), 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 NW on Mon afternoon, strong winds from the NNW by Wed morning). | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NNW 8 | NNW 8 | NNW 8 | NW 9 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 7 | NW 8 | NW 9 | NW 10 | WNW 10 | WNW 10 | WNW 10 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | |
446 | 487 | 547 | 351 | 375 | 437 | 440 | 449 | 493 | 607 | 598 | 804 | 1083 | 1563 | 2173 | 2861 | 4202 | 6535 | 8177 | 7651 | 7276 | 6374 | 5134 | 4037 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | on | 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 | on | on | |
High Tide | 1:23AM2.67m | 2:14PM2.30m | 2:24AM2.81m | 3:14PM2.53m | 3:17AM3.00m | 4:03PM2.80m | ||||||||||||||||||
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 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:25 | — | — | — | — | — | — | — | 9:28 | — | — | — | — | — | — | — | 9:30 | — |
— | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | |
Temp °C | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 9 | 10 | 9 | 10 | 10 | 11 | 10 | 10 | 9 | 8 | 9 | 9 | 9 | 10 | 10 | 9 |
4 | 4 | 4 | 5 | 4 | 4 | 5 | 6 | 4 | 4 | 3 | 3 | 2 | 3 | 2 | 2 | -1 | -2 | -1 | -2 | -2 | 0 | 0 | 0 | |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | NW 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 16 |
 kJ | 15 | 15 | 25 | 351 | 375 | 437 | 440 | 76 | 59 | 7 | 26 | 24 | 26 | 15 | 15 | 14 | — | 6 | — | — | — | — | — | 5 |
Swell 2 Height (m) Direction Period (s) | — | — | W 15 | W 9 | W 9 | NNE 8 | N 8 | — | W 20 | W 20 | WNW 14 | WNW 14 | W 19 | W 18 | W 18 | W 18 | — | — | — | — | — | — | — | — |
| kJ | — | — | 4 | 14 | 14 | 118 | 90 | — | 7 | 7 | 40 | 19 | 7 | 6 | 6 | 6 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | NW 15 | WNW 14 | W 9 | — | — | — | — | W 19 | W 19 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 8 | 19 | 14 | — | — | — | — | 7 | 7 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 8 | NNW 8 | NNW 8 | N 8 | N 9 | — | — | NW 9 | NW 9 | NW 9 | NW 7 | NW 8 | NW 9 | NW 10 | WNW 10 | WNW 10 | WNW 10 | NW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 |
| kJ | 446 | 487 | 547 | 273 | 225 | — | — | 449 | 493 | 607 | 598 | 804 | 1083 | 1563 | 2173 | 2861 | 4202 | 6535 | 8177 | 7651 | 7276 | 6374 | 5134 | 4037 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 492 | 473 | 451 | 255 | 281 | 450 | 454 | 185 | 272 | 272 | 272 | 563 | 735 | 502 | 506 | 508 | 506 | 557 | 600 | 609 | 1149 | 1207 | 1114 | 489 |
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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