Surf Forecasts:
How big are the waves at White Rocks today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 3.5ft (1.0m), 8s period with NNW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 5ft (1.5m), 7s period with NNW swell.
- Evening surf: Evening surf (20 Aug, local time) - 5.5ft (1.7m), 7s period with NNW swell.
The current surf forecast for White Rocks at 1PM is: 1.3m 8s primary swell from a North-northwest direction and 0.4m 10s secondary swell from a West-northwest direction, 0.5m 10s secondary swell from a West-northwest direction (forecast issued at 06:00am August 20). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 3.5ft (1.0m) | 8s |
| Afternoon (20 Aug) | 5ft (1.5m) | 7s |
| Evening (20 Aug) | 5.5ft (1.7m) | 7s |
Table - waves today at White Rocks. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu morning. Very mild (max 15°C on Sat morning, min 12°C on Fri night). Winds decreasing (fresh winds from the NNW on Thu night, light winds from the WSW by Sat night). | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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) | NW 10 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NW 5 | NW 5 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 142 | 82 | 157 | 199 | 237 | 257 | 257 | 265 | 189 | 127 | 97 | 97 | 77 | 64 | 62 | 64 | 51 | 28 | 20 | 15 | 14 | 13 | 12 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 1:39AM1.49m | 2:06PM1.45m | 3:18AM1.45m | 3:34PM1.53m | 4:33AM1.47m | 4:37PM1.65m | |||||||||||||||||
Low Tide | 7:54AM0.99m | 7:43PM1.02m | 9:14AM1.02m | 9:32PM1.06m | 10:18AM1.01m | ||||||||||||||||||
 |  |  |  | | |  |  | |  | | | | | | | | | | | | | | |
 | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:50 | — | — | — | — | — | — | — | 8:46 | — | — | — | — | — | — | — | 8:45 | — |
mm | 1 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 15 | 14 | 14 | 14 | 14 |
Feels °C | 9 | 10 | 9 | 8 | 7 | 6 | 6 | 6 | 7 | 8 | 7 | 7 | 7 | 8 | 7 | 8 | 9 | 10 | 11 | 11 | 10 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | NW 10 | NNW 8 | NNW 8 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | — | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 8 | — | — | W 7 | W 7 | W 10 | W 7 | W 10 | NW 5 |
| kJ | 142 | 82 | 157 | 38 | 31 | 32 | 16 | — | 7 | 13 | 7 | 6 | 6 | 6 | 1 | — | — | 1 | 1 | 2 | 1 | 2 | 12 |
Swell 2 Height (m) Direction Period (s) | — | WNW 10 | WNW 10 | WNW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 7 | W 10 | — | W 10 |
| kJ | — | 78 | 56 | 54 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | ENE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 8 | — | — |
| kJ | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Wind waves Height (m) Direction Period (s) | NNE 3 | NE 3 | — | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NW 5 | — |
| kJ | 1 | 2 | — | 199 | 237 | 257 | 257 | 265 | 189 | 127 | 97 | 97 | 77 | 64 | 62 | 64 | 51 | 28 | 20 | 15 | 14 | 13 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 56 | 257 | 329 | 439 | 1084 | 329 | 329 | 57 | 290 | 61 | 301 | 274 | 252 | 252 | 252 | 256 | 259 | 259 | 267 | 268 | 268 | 265 | 51 |
Best forecast wave conditions in Antrim | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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