Surf Forecasts:
How big are the waves at Lighthouse today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 3ft (0.9m), 8s period with W swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 2.5ft (0.7m), 8s period with W swell.
- Evening surf: Evening surf (17 Aug, local time) - 4.5ft (1.3m), 6s period with W swell.
The current surf forecast for Lighthouse at 3PM is: 0.7m 8s primary swell from a West direction and 0.2m 7s secondary swell from a North direction, 0.4m 3s secondary swell from a South direction (forecast issued at 12:00pm August 17). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 3ft (0.9m) | 8s |
| Afternoon (17 Aug) | 2.5ft (0.7m) | 8s |
| Evening (17 Aug) | 4.5ft (1.3m) | 6s |
Table - waves today at Lighthouse. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Mon morning. Very mild (max 17°C on Mon afternoon, min 13°C on Tue night). Winds increasing (light winds from the S on Mon morning, fresh winds from the W by Wed morning). | |||||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||||
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 8 | WSW 8 | W 6 | W 7 | W 7 | W 8 | W 8 | W 8 | W 10 | WNW 10 | W 11 | W 11 | W 11 | W 10 | WNW 10 | WNW 10 | W 10 | WNW 10 | WNW 10 |
Wave Graph | |||||||||||||||||||||
109 | 82 | 61 | 96 | 140 | 195 | 243 | 287 | 346 | 450 | 752 | 1130 | 1487 | 1459 | 1525 | 1749 | 1539 | 1299 | 1280 | 1038 | 833 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on |
High Tide | 9:30AM3.10m | 9:46PM3.33m | 10:09AM2.93m | 10:26PM2.98m | 10:50AM2.73m | ||||||||||||||||
Low Tide | 3:21PM0.39m | 3:53AM0.49m | 4:02PM0.65m | 4:30AM0.77m | 4:47PM0.93m | ||||||||||||||||
6:13 | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | |
— | — | — | 9:01 | — | — | — | — | — | — | — | 8:59 | — | — | — | — | — | — | — | 8:57 | — | |
mm | 1 | 3 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 2 | 1 | 1 | — |
Temp °C | 15 | 15 | 16 | 17 | 16 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 14 | 13 | 13 | 14 | 14 | 16 | 16 | 15 | 14 |
Feels °C | 14 | 14 | 14 | 16 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 10 | 9 | 8 | 9 | 9 | 10 | 11 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | NW 7 | W 8 | W 8 | N 7 | N 7 | N 7 | N 7 | N 7 | N 7 | — | W 18 | — | — | — | W 11 | — | WNW 10 | WNW 10 | — | WNW 10 | WNW 10 |
7 | 82 | 61 | 4 | 4 | 4 | 1 | 1 | 1 | — | 6 | — | — | — | 1525 | — | 1539 | 1299 | — | 1038 | 833 | |
Swell 2 Height (m) Direction Period (s) | N 8 | N 7 | N 7 | SSE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
10 | 4 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | NNW 6 | NNW 6 | NW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | 4 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | W 8 | — | S 3 | WSW 8 | W 6 | W 7 | W 7 | W 8 | W 8 | W 8 | W 10 | WNW 10 | W 11 | W 11 | W 10 | W 10 | W 10 | — | W 10 | — | — |
109 | — | 2 | 96 | 140 | 195 | 243 | 287 | 346 | 450 | 752 | 1130 | 1487 | 1459 | 955 | 1749 | 954 | — | 1280 | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 10 | 5 | 24 | 269 | 251 | 441 | 251 | 258 | 318 | 318 | 530 | 530 | 41 | 160 | 160 | 145 | 160 | 144 | 151 | 175 | 33 |
Best forecast wave conditions in Sligo | |||||||||||||||||||||
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)












