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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 pm Thursday 21 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
11.7° 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 2AM is: 1.3m 10s primary swell from a West-southwest direction and 0.2m 7s secondary swell from a North-northwest direction (forecast issued at 06:00pm May 21). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 4.5ft (1.3m) | 11s |
| Afternoon (22 May) | 4ft (1.2m) | 11s |
| Evening (22 May) | 4.5ft (1.3m) | 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 4mm), mostly falling on Thu afternoon. Very mild (max 18°C on Fri afternoon, min 11°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 10 AM | 1 PM | |
Swell Height Map |  |    |    |    | ||||||||||||||||||||
WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | W 10 | W 10 | W 10 | WSW 9 | WSW 9 | |
370 | 306 | 306 | 333 | 415 | 359 | 359 | 302 | 286 | 240 | 360 | 286 | 286 | 150 | 138 | 242 | 260 | 300 | 348 | 432 | 422 | 354 | 355 | 355 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | off | off | off | off | off | off | |
High Tide | 10:21PM3.34m | 11:02AM2.57m | 11:26PM3.19m | 12:14PM2.43m | 00:35AM3.06m | |||||||||||||||||||
Low Tide | 3:42PM0.59m | 4:48AM0.56m | 4:42PM0.81m | 6:03AM0.70m | 5:54PM0.97m | 7:21AM0.75m | ||||||||||||||||||
 | |  |  |  |  | | |  | | | | | | | | | | | | |  | | | |
 | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — |
 | — | 9:43 | — | — | — | — | — | — | — | 9:45 | — | — | — | — | — | — | — | 9:45 | — | — | — | — | — | 9:47 |
1 | 1 | 1 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 15 | 15 | 13 | 12 | 12 | 14 | 17 | 18 | 13 | 13 | 12 | 11 | 11 | 14 | 16 | 17 | 15 | 13 | 12 | 12 | 12 | 14 | 18 |
12 | 10 | 11 | 8 | 8 | 9 | 10 | 12 | 13 | 10 | 9 | 8 | 8 | 8 | 9 | 11 | 12 | 11 | 10 | 9 | 9 | 9 | 11 | 14 | |
Swell 1 Height (m) Direction Period (s) | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | N 6 | N 6 | WSW 10 | WSW 10 | WSW 9 | N 6 | — | WSW 9 | WSW 9 | W 10 | W 10 | W 10 | WSW 9 | WSW 9 |
 kJ | 370 | 306 | 306 | 333 | 415 | 359 | 359 | 302 | 286 | 240 | 1 | 1 | 286 | 150 | 138 | 1 | — | 300 | 348 | 432 | 422 | 354 | 355 | 355 |
Swell 2 Height (m) Direction Period (s) | NW 7 | NW 7 | NW 7 | NW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NW 6 | N 6 | N 8 | — | N 6 | WSW 11 | WSW 11 | — | — | — | — | — | W 15 | — | SE 4 | WNW 17 |
| kJ | 19 | 13 | 13 | 8 | 5 | 5 | 5 | 4 | 2 | 1 | 1 | — | 1 | 42 | 40 | — | — | — | — | — | 4 | — | 1 | 27 |
Swell 3 Height (m) Direction Period (s) | NNW 9 | NNW 9 | NNW 9 | NNW 9 | N 8 | N 8 | — | — | — | — | — | — | — | N 6 | N 6 | — | — | — | — | — | — | — | W 18 | — |
| kJ | 17 | 8 | 8 | 8 | 6 | 1 | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | 6 | — |
Wind waves Height (m) Direction Period (s) | S 3 | SSE 3 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 3 | S 3 | SSW 3 | SW 5 | WSW 10 | WSW 10 | SSW 3 | SSW 3 | S 3 | WSW 10 | WSW 9 | — | — | — | SSW 3 | S 3 | S 3 | SSE 3 |
| kJ | 2 | 5 | 5 | 18 | 19 | 10 | 3 | 1 | 3 | 31 | 360 | 286 | 3 | 9 | 6 | 242 | 260 | — | — | — | 3 | 5 | 3 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 11 | 38 | 11 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 0 | 0 | 2 | 2 | 2 | 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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