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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 28 Apr 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
11.4° 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 8PM is: 1.4m 12s primary swell from a West direction and 0.5m 10s secondary swell from a North direction (forecast issued at 12:00pm April 28). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 2.5ft (0.7m) | 14s |
| Afternoon (28 Apr) | 4ft (1.2m) | 13s |
| Evening (28 Apr) | 4.5ft (1.4m) | 12s |
Table - waves today at Kilcummin Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Very mild (max 15°C on Tue afternoon, min 8°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 28 | Wednesday 29 | Thursday 30 | Fri 1 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 14 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | NW 18 | NW 16 | WNW 16 | NW 16 | NW 15 | NW 15 | NW 15 | NW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | |
232 | 342 | 477 | 518 | 584 | 584 | 575 | 488 | 711 | 1335 | 2032 | 2233 | 2176 | 2117 | 1956 | 1903 | 1621 | 1531 | 1216 | 1030 | 998 | 849 | 734 | 636 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | |
High Tide | 4:56PM2.90m | 5:02AM3.26m | 5:32PM3.08m | 5:39AM3.29m | 6:05PM3.21m | 6:14AM3.27m | ||||||||||||||||||
Low Tide | 10:44AM0.40m | 10:48PM0.64m | 11:17AM0.30m | 11:26PM0.50m | 11:48AM0.25m | 00:01AM0.41m | ||||||||||||||||||
 |  | | |  | | | | | | | | |  |  |  | | | |  | | | | | |
 | 6:07 | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — |
 | — | — | — | 9:02 | — | — | — | — | — | — | — | 9:04 | — | — | — | — | — | — | — | 9:06 | — | — | — | 9:07 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | |
Temp °C | 11 | 14 | 15 | 14 | 12 | 10 | 9 | 9 | 9 | 12 | 15 | 13 | 12 | 10 | 8 | 8 | 9 | 10 | 11 | 10 | 10 | 11 | 10 | 10 |
9 | 12 | 13 | 12 | 9 | 7 | 7 | 7 | 4 | 6 | 9 | 8 | 7 | 5 | 3 | 3 | 4 | 5 | 8 | 8 | 8 | 9 | 7 | 8 | |
Swell 1 Height (m) Direction Period (s) | W 14 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | NW 16 | WNW 16 | NW 16 | NW 15 | NW 15 | NW 15 | NW 14 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 |
 kJ | 232 | 342 | 477 | 518 | 584 | 584 | 575 | 488 | 411 | 1335 | 2032 | 2233 | 2176 | 2117 | 1956 | 1903 | 1621 | 1531 | 1216 | 1030 | 998 | 849 | 734 | 636 |
Swell 2 Height (m) Direction Period (s) | N 10 | N 10 | N 10 | — | — | NNE 10 | NNE 9 | WNW 19 | NW 18 | W 12 | W 11 | W 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | W 10 | W 10 | W 10 | W 11 | W 11 |
| kJ | 51 | 50 | 49 | — | — | 54 | 29 | 241 | 711 | 336 | 265 | 251 | 198 | 210 | 167 | 164 | 128 | 82 | 80 | 73 | 51 | 52 | 57 | 61 |
Swell 3 Height (m) Direction Period (s) | WSW 9 | W 9 | — | — | — | — | NW 21 | NNE 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 16 | 15 | — | — | — | — | 17 | 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | N 10 | NNE 10 | — | — | — | NE 9 | NE 9 | NE 9 | ENE 3 | ENE 3 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 49 | 55 | — | — | — | 41 | 29 | 28 | 5 | 6 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 10 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 31 | 39 | 39 | 39 | 39 | 39 | 38 | 38 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 0 |
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)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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