Surf Forecasts:
How big are the waves at White Rocks today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 3.5ft (1.1m), 12s period with NW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 3.5ft (1.0m), 11s period with NW swell.
- Evening surf: Evening surf (21 Sep, local time) - 3ft (0.9m), 11s period with WNW swell.
The current surf forecast for White Rocks at 5PM is: 0.9m 11s primary swell from a West-northwest direction (forecast issued at 12:00pm September 21). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 3.5ft (1.1m) | 12s |
| Afternoon (21 Sep) | 3.5ft (1.0m) | 11s |
| Evening (21 Sep) | 3ft (0.9m) | 11s |
Table - waves today at White Rocks. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Tue night. Warm (max 22°C on Mon afternoon, min 10°C on Wed night). Wind will be generally light. | |||||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||||
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 12 | NW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 11 | WNW 10 | WNW 10 | WNW 15 | WNW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 355 | 309 | 215 | 204 | 180 | 143 | 166 | 123 | 167 | 152 | 118 | 449 | 711 | 834 | 799 | 777 | 700 | 689 | 531 | 514 | 393 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | off | off | off | off | off | off | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | on | cross-off |
High Tide | 4:55PM1.82m | 5:49AM1.57m | 5:31PM1.90m | 6:17AM1.64m | 5:59PM1.99m | ||||||||||||||||
Low Tide | 10:36AM1.06m | 11:52PM1.01m | 11:17AM0.97m | 00:24AM0.93m | 11:48AM0.87m | ||||||||||||||||
 |  | |  |  | | | | | |  | |  | |  | | | | | |  | |
 | 7:07 | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — |
 | — | — | — | 7:29 | — | — | — | — | — | — | — | 7:25 | — | — | — | — | — | — | — | 7:23 | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 1 | — | — | — | — | — | — | — |
Temp °C | 16 | 20 | 22 | 21 | 19 | 19 | 17 | 16 | 16 | 16 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 11 |
Feels °C | 15 | 19 | 21 | 21 | 17 | 16 | 16 | 14 | 14 | 14 | 11 | 11 | 10 | 9 | 8 | 8 | 8 | 8 | 9 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | NW 12 | NW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 11 | WNW 10 | WNW 10 | WNW 15 | WNW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 |
| kJ | 355 | 309 | 215 | 204 | 180 | 143 | 166 | 123 | 167 | 152 | 118 | 449 | 711 | 834 | 799 | 777 | 700 | 689 | 531 | 514 | 393 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | NW 13 | — | S 3 | NW 18 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 44 | — | 1 | 49 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NW 20 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 15 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 2 | S 3 | SSW 3 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 37 | 57 | 57 | 37 | 57 | 37 | 265 | 420 | 140 | 14 | 0 |
Best forecast wave conditions in Antrim | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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