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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 20 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
11.6° C
(Which is normal for this time of year)How big are the waves at Kilcummin Harbour today?
The current surf forecast for Kilcummin Harbour at 2PM is: 2.1m 13s primary swell from a West direction and 0.1m 8s secondary swell from a North direction (forecast issued at 06:00am May 20). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 7.5ft (2.3m) | 14s |
| Afternoon (20 May) | 7ft (2.1m) | 12s |
| Evening (20 May) | 5.5ft (1.7m) | 12s |
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 Thu afternoon. Very mild (max 17°C on Fri morning, min 12°C on Wed morning). Winds decreasing (fresh winds from the S on Thu afternoon, light winds from the SSW by Fri night). | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 14 | W 14 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | |
2374 | 2248 | 1838 | 1634 | 1198 | 1013 | 786 | 607 | 410 | 400 | 467 | 408 | 312 | 260 | 260 | 333 | 353 | 353 | 302 | 291 | 408 | 387 | 358 | 269 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | off | |
High Tide | 9:01AM3.06m | 9:23PM3.49m | 9:58AM2.80m | 10:21PM3.34m | 11:02AM2.57m | 11:26PM3.19m | ||||||||||||||||||
Low Tide | 2:43AM0.17m | 2:50PM0.38m | 3:42AM0.36m | 3:42PM0.59m | 4:48AM0.56m | 4:42PM0.81m | ||||||||||||||||||
 |  |  |  |  | |  | | | | | |  | | |  | | | | | | |  | | |
 | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | 5:20 |
 | — | — | — | — | — | 9:42 | — | — | — | — | — | — | — | 9:43 | — | — | — | — | — | — | — | 9:45 | — | 9:45 |
1 | 1 | — | — | — | — | — | — | 1 | — | — | — | 1 | 3 | — | — | — | — | — | — | 1 | — | — | — | |
Temp °C | 12 | 11 | 12 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 15 | 16 | 14 | 14 | 14 | 12 | 12 | 12 | 15 | 17 | 17 | 16 | 14 | 13 |
8 | 7 | 7 | 8 | 9 | 11 | 10 | 9 | 9 | 11 | 11 | 13 | 11 | 9 | 10 | 7 | 8 | 9 | 11 | 13 | 12 | 12 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | W 14 | W 14 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | NW 6 | N 6 | N 6 | WSW 10 |
 kJ | 2374 | 2248 | 1838 | 1634 | 1198 | 1013 | 786 | 607 | 410 | 400 | 467 | 408 | 312 | 260 | 260 | 333 | 353 | 353 | 302 | 291 | 2 | 1 | 1 | 269 |
Swell 2 Height (m) Direction Period (s) | N 8 | N 8 | N 8 | N 8 | N 8 | — | NW 6 | NW 6 | NW 9 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NW 6 | — | — | N 7 |
| kJ | 5 | 5 | 5 | 5 | 1 | — | 19 | 33 | 93 | 112 | 77 | 45 | 19 | 14 | 8 | 8 | 5 | 5 | 5 | 4 | 2 | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | N 8 | — | — | NW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | N 8 | N 8 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 1 | — | — | 4 | 8 | 8 | 8 | 8 | 6 | 1 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSE 3 | SSE 3 | SSE 3 | SSE 3 | S 3 | S 2 | SSE 3 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 3 | S 3 | WSW 11 | WSW 11 | WSW 10 | — |
| kJ | — | — | — | — | — | — | — | 3 | 10 | 5 | 2 | 1 | 1 | 5 | 18 | 20 | 13 | 8 | 4 | 3 | 408 | 387 | 358 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 185 | 247 | 2 | 2 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 11 | 38 | 11 | 0 | 0 | 0 | 0 | 171 | 2 | 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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