
Surf Forecasts:
How big are the waves at Lackan Bay today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 6ft (1.9m), 12s period with WNW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 6ft (1.8m), 11s period with W swell.
- Evening surf: Evening surf (21 Sep, local time) - 6ft (1.9m), 10s period with W swell.
The current surf forecast for Lackan Bay at 5AM is: 2.0m 12s primary swell from a West-northwest direction and 0.7m 8s secondary swell from a North-northwest direction (forecast issued at 12:00am September 21). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 6ft (1.9m) | 12s |
| Afternoon (21 Sep) | 6ft (1.8m) | 11s |
| Evening (21 Sep) | 6ft (1.9m) | 10s |
Table - waves today at Lackan Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Tue afternoon. Warm (max 20°C on Mon morning, min 12°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map | ||||||||||||||||||||||||
Wave Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | W 11 | WSW 9 | W 10 | W 10 | W 10 | W 11 | W 10 | W 11 | WNW 14 | W 14 | W 14 | W 14 | W 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | WNW 11 |
Wave Graph | ||||||||||||||||||||||||
1384 | 1180 | 1012 | 874 | 711 | 734 | 333 | 708 | 884 | 935 | 1116 | 955 | 819 | 1257 | 2987 | 3376 | 2977 | 2848 | 2574 | 2287 | 1765 | 1605 | 1227 | 955 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-off |
High Tide | 2:39AM2.10m | 3:12PM2.49m | 3:49AM2.28m | 4:06PM2.74m | 4:33AM2.52m | 4:44PM3.01m | ||||||||||||||||||
Low Tide | 8:43AM1.32m | 9:49PM1.14m | 9:44AM1.11m | 10:31PM0.89m | 10:25AM0.87m | |||||||||||||||||||
— | — | 7:18 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | |
— | — | — | — | — | — | 7:38 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:34 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 15 | 17 | 20 | 20 | 18 | 17 | 16 | 16 | 16 | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 12 | 12 |
Feels °C | 10 | 12 | 14 | 15 | 17 | 17 | 15 | 16 | 14 | 14 | 14 | 11 | 11 | 10 | 11 | 11 | 10 | 9 | 9 | 10 | 10 | 11 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | W 11 | WNW 10 | W 10 | W 10 | W 10 | W 11 | W 10 | W 11 | WNW 14 | W 14 | W 14 | W 14 | W 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | WNW 11 |
1384 | 1180 | 1012 | 874 | 711 | 734 | 291 | 708 | 884 | 935 | 1116 | 955 | 819 | 1257 | 2987 | 3376 | 2977 | 2848 | 2574 | 2287 | 1765 | 1605 | 1227 | 955 | |
Swell 2 Height (m) Direction Period (s) | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | — | NNW 8 | WNW 11 | — | — | N 8 | WNW 19 | WNW 15 | W 11 | N 8 | N 8 | N 8 | — | — | — | — | N 8 | N 8 | N 8 |
85 | 60 | 48 | 34 | 34 | — | 11 | 128 | — | — | 5 | 35 | 304 | 606 | 5 | 5 | 5 | — | — | — | — | 1 | 1 | 1 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNW 8 | — | — | W 21 | N 8 | N 8 | WNW 9 | — | — | N 10 | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | 12 | — | — | 8 | 5 | 5 | 8 | — | — | 2 | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | S 3 | — | SSW 3 | S 3 | — | WSW 9 | — | SSW 3 | S 3 | S 3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | 5 | — | 3 | 3 | — | 333 | — | 3 | 6 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 0 | 53 | 55 | 55 | 55 | 0 | 0 | 0 | 296 | 227 | 11 | 0 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












