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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 Wednesday 27 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
12.4° C
(Which is slightly warmer than usual)How big are the waves at Kilcummin Harbour today?
The current surf forecast for Kilcummin Harbour at 12PM is: 0.8m 10s primary swell from a West direction and 0.4m 5s secondary swell from a North-northeast direction, 0.3m 3s secondary swell from a East direction (forecast issued at 06:00am May 27). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 3ft (0.9m) | 10s |
| Afternoon (27 May) | 2.5ft (0.7m) | 10s |
| Evening (27 May) | 2ft (0.6m) | 9s |
Table - waves today at Kilcummin Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 22°C on Wed afternoon, min 11°C on Fri night). Winds increasing (light winds from the ESE on Wed morning, fresh winds from the WSW by Fri morning). | ||||||||||||||||||||||||
Wednesday 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | WNW 8 | WNW 8 | NW 10 | NW 9 | WSW 6 | W 7 | W 7 | W 8 | W 8 | WSW 9 | |
254 | 198 | 158 | 121 | 90 | 64 | 60 | 41 | 40 | 39 | 24 | 23 | 22 | 21 | 22 | 13 | 26 | 22 | 190 | 270 | 275 | 291 | 221 | 104 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | |
High Tide | 3:41AM2.94m | 4:22PM2.80m | 4:28AM2.95m | 5:01PM2.95m | 5:10AM2.95m | 5:37PM3.07m | ||||||||||||||||||
Low Tide | 10:04AM0.59m | 10:18PM0.82m | 10:41AM0.54m | 11:01PM0.71m | 11:16AM0.50m | 11:39PM0.61m | ||||||||||||||||||
 |  | | | | |  | |  |  |  | | | | |  | | | | | | | | | |
 | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | 5:11 |
 | — | — | — | — | — | 9:52 | — | — | — | — | — | — | — | 9:53 | — | — | — | — | — | — | — | 9:54 | — | 9:55 |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 16 | 20 | 22 | 22 | 18 | 17 | 17 | 15 | 15 | 17 | 20 | 16 | 15 | 14 | 13 | 13 | 13 | 16 | 16 | 15 | 14 | 12 |
12 | 13 | 15 | 18 | 21 | 21 | 16 | 16 | 16 | 13 | 12 | 15 | 19 | 14 | 12 | 9 | 8 | 8 | 8 | 10 | 10 | 11 | 12 | 8 | |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | SW 6 | WNW 8 | W 7 | NW 9 | NW 9 | W 18 | WSW 11 | WSW 11 | W 8 | WNW 7 |
 kJ | 254 | 198 | 158 | 121 | 90 | 64 | 60 | 41 | 40 | 39 | 24 | 23 | 22 | 21 | 17 | 13 | 26 | 22 | 21 | 7 | 47 | 44 | 221 | 104 |
Swell 2 Height (m) Direction Period (s) | W 20 | W 19 | N 5 | NNE 5 | NW 7 | NW 7 | NNE 5 | NNE 5 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | WNW 8 | WNW 10 | NW 10 | WSW 13 | W 19 | W 19 | W 18 | SW 16 | WSW 10 | WSW 9 |
| kJ | 7 | 7 | 11 | 7 | 11 | 11 | 8 | 8 | 8 | 7 | 7 | 3 | 3 | 3 | 22 | 10 | 25 | 18 | 7 | 7 | 6 | 11 | 51 | 88 |
Swell 3 Height (m) Direction Period (s) | — | — | W 19 | NW 7 | W 18 | W 18 | NW 6 | NW 6 | NNE 5 | W 18 | W 18 | W 16 | W 16 | — | N 6 | SW 16 | SW 15 | W 19 | N 7 | — | — | W 17 | SW 16 | SW 16 |
| kJ | — | — | 7 | 12 | 6 | 6 | 10 | 10 | 5 | 6 | 6 | 5 | 5 | — | 2 | 10 | 9 | 7 | 1 | — | — | 5 | 10 | 10 |
Wind waves Height (m) Direction Period (s) | NNE 5 | NE 5 | E 3 | E 3 | NE 5 | NNE 5 | E 3 | E 3 | ESE 3 | ESE 3 | ESE 3 | SE 3 | SE 3 | — | — | SW 4 | SW 5 | WSW 5 | WSW 6 | W 7 | W 7 | W 8 | — | S 3 |
| kJ | 28 | 22 | 2 | 1 | 11 | 15 | 6 | 6 | 3 | 3 | 4 | 3 | 1 | — | — | 45 | 46 | 110 | 190 | 270 | 275 | 291 | — | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 10 | 10 | 0 | 0 | 10 | 10 | 10 | 11 | 11 | 111 | 111 | 479 | 520 | 730 | 450 | 118 | 15 | 171 | 233 | 227 | 504 | 2 | 0 | 0 |
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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