Surf Forecasts:
How big are the waves at Lighthouse today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 5.5ft (1.7m), 8s period with W swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 6.5ft (2.0m), 9s period with W swell.
- Evening surf: Evening surf (18 Aug, local time) - 8ft (2.5m), 11s period with WNW swell.
The current surf forecast for Lighthouse at 3PM is: 2.0m 9s primary swell from a West direction and 0.1m 18s secondary swell from a West direction (forecast issued at 12:00pm August 18). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 5.5ft (1.7m) | 8s |
| Afternoon (18 Aug) | 6.5ft (2.0m) | 9s |
| Evening (18 Aug) | 8ft (2.5m) | 11s |
Table - waves today at Lighthouse. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Wed morning. Very mild (max 16°C on Tue morning, min 12°C on Tue night). Mainly fresh winds. | |||||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||
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) | W 8 | W 8 | W 10 | WNW 10 | WNW 11 | WNW 11 | WNW 10 | W 10 | W 10 | WNW 10 | W 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 337 | 500 | 826 | 1273 | 1426 | 1268 | 1100 | 947 | 942 | 878 | 861 | 710 | 640 | 574 | 763 | 378 | 439 | 404 | 287 | 234 | 186 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 10:09AM2.93m | 10:26PM2.98m | 10:50AM2.73m | 11:10PM2.64m | 11:40AM2.53m | ||||||||||||||||
Low Tide | 4:02PM0.65m | 4:30AM0.77m | 4:47PM0.93m | 5:13AM1.03m | 5:46PM1.19m | ||||||||||||||||
 |  | | |  |  |  |  | | |  | | | |  | | | | |  | | |
 | 6:15 | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | 8:59 | — | — | — | — | — | — | — | 8:57 | — | — | — | — | — | — | — | 8:54 | — |
mm | — | — | — | — | 1 | — | — | 1 | 2 | 2 | 1 | 1 | — | — | 1 | 1 | 1 | — | — | — | — |
Temp °C | 15 | 16 | 16 | 15 | 14 | 13 | 12 | 12 | 14 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 |
Feels °C | 10 | 12 | 12 | 12 | 11 | 10 | 8 | 8 | 10 | 13 | 11 | 12 | 11 | 12 | 9 | 8 | 8 | 8 | 8 | 8 | 7 |
Swell 1 Height (m) Direction Period (s) | N 7 | — | W 18 | — | WNW 11 | WNW 11 | WNW 10 | W 10 | W 17 | WNW 10 | W 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | W 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 |
| kJ | 1 | — | 6 | — | 1426 | 1268 | 1100 | 947 | 6 | 878 | 861 | 710 | 640 | 574 | 763 | 378 | 231 | 147 | 141 | 110 | 106 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 18 | — | W 17 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 6 | — | 6 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 8 | W 8 | W 10 | WNW 10 | — | — | W 10 | — | W 10 | W 10 | W 10 | — | — | — | NNW 11 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 |
| kJ | 337 | 500 | 826 | 1273 | — | — | 709 | — | 942 | 561 | 552 | — | — | — | 23 | 268 | 439 | 404 | 287 | 234 | 186 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 279 | 282 | 318 | 248 | 248 | 248 | 41 | 41 | 144 | 151 | 41 | 144 | 144 | 144 | 25 | 28 | 138 | 206 | 206 | 269 | 258 |
Best forecast wave conditions in Sligo | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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