Surf Forecasts:
How big are the waves at Kilcummin Harbour today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 8ft (2.5m), 9s period with N swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 7ft (2.2m), 8s period with N swell.
- Evening surf: Evening surf (20 Aug, local time) - 6ft (1.9m), 8s period with N swell.
The current surf forecast for Kilcummin Harbour at 10AM is: 2.5m 9s primary swell from a North direction and 1.2m 10s secondary swell from a West direction, 0.1m 16s secondary swell from a West direction (forecast issued at 06:00am August 20). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 8ft (2.5m) | 9s |
| Afternoon (20 Aug) | 7ft (2.2m) | 8s |
| Evening (20 Aug) | 6ft (1.9m) | 8s |
Table - waves today at Kilcummin Harbour. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Thu night. Very mild (max 15°C on Sat morning, min 13°C on Thu night). Winds decreasing (fresh winds from the N on Thu afternoon, light winds from the WSW by Sat night). | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | WNW 10 | N 8 | N 9 | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | N 7 | N 7 | N 6 | NNW 6 | N 6 | N 6 | N 6 | NNW 6 | NNW 6 | WNW 5 | N 5 | WSW 9 | NNE 9 | NNE 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 698 | 997 | 1088 | 798 | 569 | 466 | 357 | 294 | 246 | 204 | 193 | 173 | 160 | 95 | 69 | 43 | 45 | 47 | 19 | 20 | 15 | 27 | 28 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:38AM2.50m | 00:05AM2.33m | 12:49PM2.36m | 1:31AM2.17m | 2:25PM2.35m | ||||||||||||||||||
Low Tide | 5:11AM1.02m | 5:44PM1.18m | 6:11AM1.24m | 7:15PM1.34m | 7:46AM1.33m | 9:03PM1.31m | |||||||||||||||||
 |  | |  |  | | |  | | |  | |  | | | | | | | | | |  | |
 | 6:20 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:57 | — | — | — | — | — | — | — | 8:54 | — | — | — | — | — | — | — | 8:52 | — |
mm | — | — | — | 1 | — | — | — | 1 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 14 |
Feels °C | 7 | 7 | 8 | 7 | 7 | 7 | 8 | 7 | 7 | 7 | 7 | 7 | 9 | 8 | 9 | 10 | 10 | 10 | 12 | 13 | 12 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | W 10 | W 10 | W 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 8 | WSW 8 | WNW 6 | NW 5 | WNW 6 | WSW 8 | WSW 9 | N 5 | N 5 | N 5 | NNE 9 | NNE 9 |
| kJ | 698 | 378 | 273 | 221 | 173 | 135 | 166 | 125 | 119 | 94 | 65 | 29 | 14 | 29 | 13 | 20 | 24 | 15 | 14 | 20 | 14 | 27 | 28 |
Swell 2 Height (m) Direction Period (s) | — | — | W 16 | W 15 | W 15 | W 15 | W 15 | W 15 | W 14 | W 14 | W 17 | W 17 | WNW 8 | W 8 | WNW 7 | NNE 9 | NNE 9 | NNE 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WNW 6 |
| kJ | — | — | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 6 | 6 | 11 | 12 | 19 | 26 | 15 | 15 | 16 | 16 | 15 | 15 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | W 10 | NNE 9 | WSW 8 | WNW 7 | SW 16 | NNE 9 | SW 16 | NW 10 | NNW 6 | NNW 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 8 | 25 | 14 | 5 | 10 | 15 | 10 | 4 | 3 | 5 |
Wind waves Height (m) Direction Period (s) | N 6 | N 8 | N 9 | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | N 7 | N 7 | N 6 | NNW 6 | N 6 | N 6 | N 6 | NNW 6 | NNW 6 | WNW 5 | WNW 5 | WNW 6 | WNW 6 | — |
| kJ | 282 | 997 | 1088 | 798 | 569 | 466 | 357 | 294 | 246 | 204 | 193 | 173 | 160 | 95 | 69 | 43 | 45 | 47 | 19 | 11 | 15 | 14 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 244 | 329 | 416 | 456 | 1072 | 272 | 297 | 151 | 297 | 259 | 297 | 297 | 297 | 276 | 151 | 66 | 130 | 69 | 69 | 244 | 244 | 66 | 171 |
Best forecast wave conditions in Mayo and Achill Island | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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