Surf Forecasts:
How big are the waves at Lighthouse today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 4ft (1.2m), 6s period with NNW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 3.5ft (1.1m), 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 9AM is: 1.2m 6s primary swell from a North-northwest direction and 0.6m 8s secondary swell from a West-northwest direction, 0.1m 18s secondary swell from a West direction (forecast issued at 12:00am August 21). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 4ft (1.2m) | 6s |
| Afternoon (21 Aug) | 3.5ft (1.1m) | 6s |
| Evening (21 Aug) | 2.5ft (0.8m) | 6s |
Table - waves today at Lighthouse. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Fri morning. Very mild (max 17°C on Sun afternoon, min 13°C on Thu night). Winds decreasing (fresh winds from the N on Fri afternoon, calm by Sat night). | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 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) | N 7 | WNW 8 | WNW 8 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | N 6 | N 6 | NW 6 | NW 6 | WNW 6 | W 9 | WNW 6 | W 9 | WNW 6 | WNW 6 | WNW 6 | WNW 9 | WNW 9 | NW 7 | NW 7 | NW 7 | NW 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 127 | 105 | 94 | 114 | 91 | 94 | 91 | 47 | 24 | 32 | 31 | 13 | 15 | 20 | 6 | 14 | 13 | 6 | 8 | 16 | 15 | 22 | 28 | 54 |
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 | cross | cross | cross | cross | cross-on | cross-on | cross-on | glassy | glassy | cross | cross | glassy | glassy | cross-on | cross-off |
High Tide | 00:07AM2.36m | 12:52PM2.39m | 1:33AM2.20m | 2:27PM2.38m | 3:11AM2.23m | 3:49PM2.54m | ||||||||||||||||||
Low Tide | 6:14AM1.25m | 7:17PM1.35m | 7:49AM1.34m | 9:05PM1.32m | 9:20AM1.24m | |||||||||||||||||||
 |  |  |  | | |  | | | | | | | | |  | | | | | | | | | |
 | — | 6:20 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:50 | — | — | — | — | — | — | — | 8:47 | — |
mm | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 16 | 17 | 16 | 15 |
Feels °C | 8 | 8 | 9 | 8 | 9 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 13 | 12 | 13 | 13 | 14 | 13 | 12 | 12 | 15 | 16 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | W 8 | WNW 8 | WNW 8 | WNW 8 | WNW 5 | NW 6 | WNW 7 | W 8 | WNW 6 | N 5 | W 9 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | W 6 | NW 7 | NW 7 | NW 7 | NW 7 |
| kJ | 127 | 105 | 94 | 33 | 32 | 19 | 11 | 11 | 15 | 5 | 5 | 12 | 5 | 6 | 3 | 14 | 13 | 6 | 6 | 5 | 12 | 22 | 28 | 36 |
Swell 2 Height (m) Direction Period (s) | W 15 | — | — | W 18 | — | — | W 9 | WNW 7 | WNW 7 | W 8 | NW 7 | W 8 | W 9 | N 5 | W 9 | W 9 | W 9 | W 8 | WNW 9 | NNW 6 | WNW 6 | WNW 8 | WNW 8 | NW 10 |
| kJ | 4 | — | — | 6 | — | — | 13 | 17 | 10 | 5 | 2 | 13 | 13 | 2 | 6 | 6 | 6 | 6 | 8 | 8 | 6 | 13 | 12 | 54 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 8 | W 10 | W 10 | W 10 | W 16 | W 11 | W 10 | N 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | WNW 9 | WNW 9 | W 8 | NW 11 | WNW 8 |
| kJ | — | — | — | — | — | — | — | 5 | 7 | 8 | 2 | 5 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 16 | 15 | 5 | 18 | 13 |
Wind waves Height (m) Direction Period (s) | N 7 | N 7 | N 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | N 6 | N 6 | NW 6 | NW 6 | N 5 | WNW 6 | WNW 6 | WNW 4 | — | — | — | — | — | — | — | — | — |
| kJ | 120 | 94 | 94 | 114 | 91 | 94 | 91 | 47 | 24 | 32 | 31 | 8 | 15 | 20 | 5 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 161 | 298 | 410 | 298 | 298 | 298 | 261 | 298 | 141 | 141 | 102 | 94 | 50 | 260 | 259 | 50 | 257 | 102 | 106 | 97 | 24 | 42 | 216 | 0 |
Best forecast wave conditions in Sligo | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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