Surf Forecasts:
How big are the waves at White Rocks today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 8ft (2.4m), 12s period with NW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 7ft (2.2m), 11s period with WNW swell.
- Evening surf: Evening surf (20 Sep, local time) - 5ft (1.6m), 11s period with NW swell.
The current surf forecast for White Rocks at 3PM is: 2.2m 11s primary swell from a West-northwest direction and 2.0m 11s secondary swell from a Northwest direction (forecast issued at 06:00am September 20). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 8ft (2.4m) | 12s |
| Afternoon (20 Sep) | 7ft (2.2m) | 11s |
| Evening (20 Sep) | 5ft (1.6m) | 11s |
Table - waves today at White Rocks. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Tue night. Warm (max 22°C on Mon afternoon, min 10°C on Tue night). Winds decreasing (fresh winds from the WNW on Sun morning, light winds from the NNW by Tue afternoon). | |||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 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) | WNW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 12 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | WNW 11 | NW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 11 | WNW 10 | WNW 10 | WNW 15 | WNW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1888 | 1710 | 1470 | 1147 | 908 | 780 | 710 | 723 | 540 | 463 | 355 | 303 | 215 | 169 | 146 | 143 | 135 | 88 | 176 | 149 | 118 | 344 | 523 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | off | off | off | off | off | off | cross-on | cross-on | on | on |
High Tide | 4:07AM1.46m | 4:08PM1.73m | 5:08AM1.51m | 4:55PM1.82m | 5:49AM1.57m | 5:31PM1.90m | |||||||||||||||||
Low Tide | 9:42AM1.12m | 10:54PM1.09m | 10:36AM1.06m | 11:52PM1.01m | 11:17AM0.97m | ||||||||||||||||||
 | |  | |  |  |  | |  |  | | | | | | | | | |  | | |  | |
 | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — |
 | — | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:29 | — | — | — | — | — | — | — | 7:25 | — |
mm | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 1 |
Temp °C | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 16 | 20 | 22 | 21 | 19 | 18 | 17 | 16 | 16 | 12 | 12 | 12 | 11 |
Feels °C | 4 | 5 | 7 | 8 | 9 | 11 | 10 | 9 | 8 | 11 | 15 | 18 | 21 | 21 | 18 | 16 | 15 | 14 | 15 | 10 | 11 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | — | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 12 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | WNW 11 | NW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 11 | WNW 10 | WNW 10 | WNW 15 | WNW 14 |
| kJ | — | 1710 | 1470 | 1147 | 908 | 780 | 710 | 723 | 540 | 463 | 355 | 303 | 215 | 169 | 146 | 143 | 135 | 88 | 176 | 149 | 118 | 344 | 523 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 13 | — | NW 20 | WNW 18 | NW 18 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 62 | — | 15 | 32 | 12 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 12 | — | — | — | — | — | — | — | — | S 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1888 | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 399 | 346 | 364 | 175 | 175 | 5 | 0 | 3 | 0 | 0 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 37 | 57 | 37 |
Best forecast wave conditions in Antrim | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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