Surf Forecasts:
How big are the waves at Lighthouse today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 15ft (4.5m), 10s period with WNW swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 11ft (3.5m), 13s period with WNW swell.
- Evening surf: Evening surf (21 Oct, local time) - 10ft (3.0m), 13s period with WNW swell.
The current surf forecast for Lighthouse at 5AM is: 5.5m 11s primary swell from a West-northwest direction (forecast issued at 12:00am October 21). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 15ft (4.5m) | 10s |
| Afternoon (21 Oct) | 11ft (3.5m) | 13s |
| Evening (21 Oct) | 10ft (3.0m) | 13s |
Table - waves today at Lighthouse. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 31mm), heaviest during Tue night. Very mild (max 11°C on Tue night, min 7°C on Wed night). Winds decreasing (gales from the WNW on Tue night, calm by Thu afternoon). | ||||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 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) | WNW 12 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 13 | WNW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2598 | 7982 | 5949 | 3845 | 3607 | 4156 | 3144 | 2304 | 1846 | 1607 | 1324 | 1160 | 1018 | 927 | 894 | 1008 | 1152 | 1433 | 1853 | 2724 | 3301 | 4792 | 6382 | 7395 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross | cross | cross | glassy | glassy | cross-on | cross-on | cross-on | cross-on | on | on | on | on |
High Tide | 3:03AM2.27m | 3:14PM2.76m | 3:53AM2.51m | 3:57PM2.99m | 4:32AM2.78m | 4:35PM3.22m | ||||||||||||||||||
Low Tide | 8:55AM1.20m | 9:48PM0.88m | 9:44AM0.98m | 10:23PM0.60m | 10:24AM0.75m | |||||||||||||||||||
 |  | |  |  |  |  | |  | | |  | |  | | | | |  | | | |  | | |
 | — | — | 8:12 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:17 | — | — | — | — | — |
 | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | 6 | 2 | 4 | 2 | — | — | — | — | — | — | — | — | — | 1 | 1 | 3 | 4 | 2 | — | — | — | 1 | 1 | — |
Temp °C | 10 | 8 | 8 | 9 | 10 | 10 | 9 | 8 | 7 | 7 | 7 | 8 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 11 |
Feels °C | 8 | -5 | -3 | -1 | 0 | 2 | 4 | 4 | 3 | 3 | 3 | 4 | 7 | 8 | 8 | 7 | 3 | 0 | -1 | 0 | 0 | 0 | 0 | 2 |
Swell 1 Height (m) Direction Period (s) | WNW 12 | — | — | — | — | — | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | — | — | — | — | — | — | — |
| kJ | 2598 | — | — | — | — | — | 3144 | 2304 | 1846 | 1607 | 1324 | 1160 | 1018 | 927 | 894 | 1008 | 1152 | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 157 | 92 | 68 | 47 | 30 | 18 | 17 | 9 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 13 | WNW 13 | — | — | — | — | — | SSW 3 | — | — | NNW 7 | NNW 6 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 13 | WNW 13 |
| kJ | — | 7982 | 5949 | 3845 | 3607 | 4156 | 1759 | — | — | — | — | — | 4 | — | — | 9 | 8 | 1433 | 1853 | 2724 | 3301 | 4792 | 6382 | 7395 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 8 | 65 | 113 | 144 | 206 | 357 | 278 | 10 | 10 | 10 | 5 | 5 | 10 | 5 | 0 | 0 | 144 | 219 | 280 | 465 | 450 | 530 | 892 | 472 |
Best forecast wave conditions in Sligo | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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