Surf Forecasts:
How big are the waves at Lighthouse today (21 Aug):
- Afternoon surf: Afternoon surf (21 Aug, local time) - 4ft (1.2m), 6s period with NNW swell.
- Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.8m), 6s period with N swell.
The current surf forecast for Lighthouse at 9PM is: 0.8m 6s primary swell from a North direction and 0.4m 5s secondary swell from a West-northwest direction, 0.4m 7s secondary swell from a West-northwest direction (forecast issued at 06:00pm August 21). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | - | - |
| Afternoon (21 Aug) | 4ft (1.2m) | 6s |
| Evening (21 Aug) | 2.5ft (0.8m) | 6s |
Table - waves today at Lighthouse. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Sun afternoon, min 12°C on Sun night). Winds decreasing (fresh winds from the N on Fri afternoon, calm by Sun morning). | |||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||
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) | NNW 6 | NNW 6 | N 6 | NNW 6 | NW 6 | NW 5 | WNW 6 | W 9 | NW 6 | NW 5 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 7 | NW 11 | NW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 110 | 85 | 47 | 36 | 33 | 18 | 13 | 13 | 9 | 7 | 9 | 9 | 8 | 8 | 8 | 14 | 21 | 21 | 41 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | glassy | glassy | glassy | glassy | glassy | glassy | glassy | off |
High Tide | 1:33AM2.20m | 2:27PM2.38m | 3:11AM2.23m | 3:49PM2.54m | |||||||||||||||
Low Tide | 7:17PM1.35m | 7:49AM1.34m | 9:05PM1.32m | 9:20AM1.24m | |||||||||||||||
 | |  |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | 8:52 | — | — | — | — | — | — | — | 8:50 | — | — | — | — | — | — | — | 8:47 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 16 | 16 | 15 | 15 | 14 | 13 | 13 | 13 | 16 | 17 | 18 | 17 |
Feels °C | 8 | 9 | 10 | 12 | 10 | 10 | 11 | 14 | 13 | 12 | 13 | 14 | 13 | 13 | 13 | 16 | 16 | 17 | 15 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 7 | WNW 5 | WNW 7 | WNW 7 | N 6 | WNW 6 | WNW 6 | NW 6 | NW 5 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 7 | NNW 7 | NW 7 |
| kJ | 19 | 10 | 10 | 9 | 5 | 6 | 12 | 12 | 9 | 7 | 9 | 9 | 8 | 8 | 8 | 11 | 21 | 18 | 27 |
Swell 2 Height (m) Direction Period (s) | — | W 9 | WNW 7 | W 10 | W 8 | W 8 | N 5 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | NW 11 |
| kJ | — | 6 | 16 | 7 | 5 | 5 | 5 | 13 | 6 | 6 | 6 | 6 | 5 | 8 | 8 | 14 | 13 | 21 | 41 |
Swell 3 Height (m) Direction Period (s) | — | — | W 8 | W 8 | W 10 | WNW 7 | W 8 | N 5 | N 5 | N 5 | N 5 | WNW 10 | WNW 9 | W 8 | W 9 | W 8 | W 8 | NW 11 | WNW 8 |
| kJ | — | — | 5 | 1 | 8 | 5 | 13 | 2 | 2 | 2 | 2 | 9 | 8 | 6 | 6 | 6 | 5 | 19 | 13 |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 6 | N 6 | NNW 6 | NW 6 | NW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 110 | 85 | 47 | 36 | 33 | 18 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 298 | 298 | 298 | 298 | 298 | 161 | 161 | 161 | 50 | 258 | 103 | 259 | 102 | 102 | 102 | 102 | 102 | 144 | 42 |
Best forecast wave conditions in Sligo | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
Header Global | |||||||||||||||||||
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