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 6AM is: 1.7m 7s primary swell from a West direction and 0.1m 7s secondary swell from a North direction (forecast issued at 12:00am 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 Mon night, min 12°C on Tue night). Winds increasing (light winds from the WNW on Wed night, fresh winds from the N by Thu afternoon). | ||||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
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) | W 7 | W 7 | W 7 | W 8 | W 8 | W 10 | WNW 10 | WNW 11 | WNW 11 | W 10 | W 10 | WNW 10 | WNW 10 | W 10 | W 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | N 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 188 | 269 | 315 | 377 | 500 | 826 | 1226 | 1426 | 1349 | 1280 | 1034 | 1155 | 978 | 961 | 799 | 725 | 727 | 731 | 378 | 450 | 330 | 215 | 259 | 150 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | 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 | 3:53AM0.49m | 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 | 2 | 2 | 1 | 1 | 1 | — | — | — | 2 | 1 | — | — | — |
Temp °C | 15 | 15 | 15 | 15 | 16 | 16 | 15 | 14 | 12 | 12 | 13 | 15 | 16 | 16 | 16 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 13 |
Feels °C | 11 | 11 | 11 | 10 | 12 | 11 | 11 | 10 | 8 | 8 | 9 | 12 | 11 | 12 | 13 | 13 | 12 | 12 | 10 | 9 | 9 | 9 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | N 7 | N 7 | N 7 | N 7 | — | W 18 | — | — | — | — | W 10 | W 17 | WNW 10 | — | W 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | W 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 |
| kJ | 4 | 1 | 1 | 1 | — | 6 | — | — | — | — | 1034 | 6 | 978 | — | 799 | 725 | 727 | 731 | 378 | 231 | 150 | 144 | 108 | 111 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | W 18 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 7 | W 7 | W 7 | W 8 | W 8 | W 10 | WNW 10 | WNW 11 | WNW 11 | W 10 | — | WNW 10 | W 10 | W 10 | — | — | — | — | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | N 7 |
| kJ | 188 | 269 | 315 | 377 | 500 | 826 | 1226 | 1426 | 1349 | 1280 | — | 1155 | 640 | 961 | — | — | — | — | 237 | 450 | 330 | 215 | 259 | 150 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 441 | 251 | 389 | 318 | 248 | 530 | 530 | 41 | 41 | 144 | 151 | 151 | 113 | 144 | 69 | 25 | 33 | 65 | 135 | 206 | 258 | 261 | 258 | 261 |
Best forecast wave conditions in Sligo | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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