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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 Sunday 31 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
13.2° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Kilcummin Harbour today (31 May):
- Afternoon surf: Afternoon surf (31 May, local time) - 5ft (1.6m), 12s period with W swell.
- Evening surf: Evening surf (31 May, local time) - 4.5ft (1.4m), 11s period with WSW swell.
The current surf forecast for Kilcummin Harbour at 11PM is: 1.3m 11s primary swell from a West-southwest direction and 0.5m 10s secondary swell from a North direction (forecast issued at 06:00pm May 31). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | - | - |
| Afternoon (31 May) | 5ft (1.6m) | 12s |
| Evening (31 May) | 4.5ft (1.4m) | 11s |
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 7mm), mostly falling on Mon morning. Very mild (max 16°C on Sun afternoon, min 11°C on Tue night). Winds increasing (light winds from the W on Mon night, fresh winds from the WSW by Wed morning). | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 12 | W 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | W 9 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | W 14 | W 13 | WSW 13 | WSW 12 | |
699 | 586 | 504 | 447 | 373 | 366 | 337 | 265 | 294 | 348 | 245 | 282 | 235 | 180 | 141 | 113 | 124 | 169 | 306 | 318 | 818 | 673 | 903 | 1035 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross | cross | cross-off | cross-off | off | cross-off | off | cross-off | cross-off | |
High Tide | 6:45PM3.19m | 7:01AM2.91m | 7:20PM3.21m | 7:37AM2.85m | 7:57PM3.18m | 8:12AM2.76m | ||||||||||||||||||
Low Tide | 00:52AM0.52m | 12:56PM0.49m | 1:28AM0.54m | 1:30PM0.52m | 2:06AM0.61m | |||||||||||||||||||
 | |  | | |  | |  | | |  | | | | | | | |  | |  | | |  | |
 | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:07 | — | — | — |
 | — | 9:58 | — | — | — | — | — | — | — | 9:59 | — | — | — | — | — | — | — | — | 10:00 | — | — | — | — | 10:00 |
— | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | |
Temp °C | 15 | 16 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 14 | 13 | 13 | 13 | 13 | 15 | 15 | 15 | 14 | 12 | 12 | 11 | 11 | 13 | 14 |
12 | 13 | 10 | 10 | 11 | 11 | 11 | 13 | 13 | 10 | 10 | 11 | 12 | 12 | 13 | 12 | 11 | 10 | 9 | 9 | 7 | 6 | 9 | 8 | |
Swell 1 Height (m) Direction Period (s) | W 12 | W 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | N 9 | WSW 10 | WSW 10 | WSW 10 | W 9 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | W 15 | WSW 10 | W 14 | W 13 | WSW 13 | N 9 |
 kJ | 699 | 586 | 504 | 447 | 373 | 366 | 337 | 265 | 294 | 25 | 245 | 282 | 235 | 180 | 141 | 113 | 124 | 169 | 112 | 318 | 818 | 673 | 903 | 6 |
Swell 2 Height (m) Direction Period (s) | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 9 | N 9 | N 9 | N 9 | N 9 | N 8 | N 8 | N 8 | N 8 | W 16 | N 7 | W 14 | N 7 | N 7 | N 9 | — |
| kJ | 33 | 51 | 50 | 49 | 48 | 47 | 30 | 29 | 27 | 14 | 14 | 14 | 13 | 12 | 12 | 5 | 5 | 46 | 4 | 264 | 4 | 4 | 6 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 14 | — | — | W 15 | — | — | W 18 | W 18 | W 17 | N 8 | N 7 | N 7 | — | N 9 | — | — |
| kJ | — | — | — | — | — | — | — | — | 4 | — | — | 4 | — | — | 6 | 6 | 23 | 4 | 4 | 4 | — | 2 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SSE 3 | — | — | S 3 | — | — | WSW 10 | WSW 4 | — | — | — | — | W 4 | W 4 | W 4 | WSW 10 | — | S 3 | SSE 4 | — | WSW 12 |
| kJ | — | — | — | 2 | — | — | 1 | — | — | 348 | 21 | — | — | — | — | 9 | 24 | 25 | 306 | — | 1 | 15 | — | 1035 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 2 | 0 | 0 | 2 | 0 | 2 | 171 | 171 | 283 | 0 | 0 | 10 | 11 | 2 | 199 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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