Surf Forecasts:
How big are the waves at Lighthouse today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 11ft (3.5m), 12s period with WNW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 8ft (2.5m), 11s period with WNW swell.
- Evening surf: Evening surf (20 Sep, local time) - 7.5ft (2.3m), 12s period with WNW swell.
The current surf forecast for Lighthouse at 8AM is: 3.5m 12s primary swell from a West-northwest direction (forecast issued at 12:00am September 20). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 11ft (3.5m) | 12s |
| Afternoon (20 Sep) | 8ft (2.5m) | 11s |
| Evening (20 Sep) | 7.5ft (2.3m) | 12s |
Table - waves today at Lighthouse. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Tue morning. Warm (max 20°C on Mon morning, min 12°C on Sat night). Winds decreasing (fresh winds from the W on Sat night, light winds from the NNE by Tue afternoon). | ||||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||||
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) | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | W 10 | W 9 | W 10 | W 10 | W 11 | W 11 | W 11 | W 15 | W 14 | W 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 3679 | 3246 | 2848 | 2253 | 1862 | 1736 | 1554 | 1522 | 1121 | 872 | 797 | 648 | 503 | 460 | 416 | 318 | 514 | 468 | 906 | 714 | 566 | 544 | 1868 | 2280 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross-on | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-on | cross | cross-off | cross | cross | cross-on | cross-on | cross-off | cross-on | cross |
High Tide | 00:49AM2.08m | 1:46PM2.35m | 2:41AM2.12m | 3:15PM2.52m | 3:51AM2.32m | 4:08PM2.78m | ||||||||||||||||||
Low Tide | 6:53AM1.43m | 8:42PM1.37m | 8:46AM1.33m | 9:51PM1.15m | 9:47AM1.11m | |||||||||||||||||||
 | |  |  | | | | | | |  |  | | |  | | | | |  | | | |  | |
 | — | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — |
 | — | — | — | — | — | — | 7:38 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:34 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | — | 1 |
Temp °C | 12 | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 14 | 16 | 16 | 17 | 20 | 20 | 18 | 18 | 16 | 15 | 15 | 13 | 12 | 12 | 12 | 12 |
Feels °C | 5 | 6 | 7 | 8 | 10 | 12 | 11 | 10 | 10 | 15 | 15 | 16 | 18 | 18 | 16 | 17 | 14 | 13 | 13 | 11 | 11 | 11 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | — | — | — | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | W 10 | W 9 | W 10 | W 10 | W 11 | W 11 | W 11 | W 11 | W 14 | W 14 |
| kJ | — | — | — | 2253 | 1862 | 1736 | 1554 | 1522 | 1121 | 872 | 797 | 648 | 503 | 460 | 416 | 318 | 514 | 468 | 906 | 714 | 566 | 440 | 1868 | 2280 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NNW 8 | NNW 8 | — | — | — | — | NNW 8 | WNW 11 | — | W 12 | — | W 19 | WNW 18 | W 15 | — | — |
| kJ | — | — | — | — | — | — | — | — | 36 | 35 | — | — | — | — | 11 | 128 | — | 196 | — | 7 | 103 | 544 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 17 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 142 | — | — |
Wind waves Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 12 | — | — | — | — | — | S 3 | S 3 | SSW 3 | S 3 | S 3 | — | — | — | — | SSE 2 | — | SSW 3 | — | — | — | — |
| kJ | 3679 | 3246 | 2848 | — | — | — | — | — | 4 | 5 | 3 | 5 | 2 | — | — | — | — | 1 | — | 2 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 248 | 248 | 248 | 214 | 10 | 10 | 0 | 5 | 10 | 5 | 5 | 5 | 10 | 10 | 10 | 5 | 10 | 10 | 5 | 41 | 39 | 0 | 33 | 33 |
Best forecast wave conditions in Sligo | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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