Surf Forecasts:
How big are the waves at White Rocks today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 5.5ft (1.7m), 12s period with NW swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 11ft (3.5m), 10s period with NW swell.
- Evening surf: Evening surf (21 Oct, local time) - 8ft (2.5m), 13s period with NW swell.
The current surf forecast for White Rocks at 1AM is: 1.1m 13s primary swell from a Northwest direction (forecast issued at 06:00pm October 20). An open ocean swell of 0.3m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 5.5ft (1.7m) | 12s |
| Afternoon (21 Oct) | 11ft (3.5m) | 10s |
| Evening (21 Oct) | 8ft (2.5m) | 13s |
Table - waves today at White Rocks. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 48mm), heaviest during Thu night. Very mild (max 13°C on Tue afternoon, min 7°C on Wed night). Winds increasing (light winds from the SW on Wed morning, near gales from the NW by Fri morning). | |||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||
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 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | NW 10 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | WNW 11 | NW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 486 | 437 | 437 | 424 | 502 | 718 | 913 | 966 | 2514 | 2617 | 1892 | 1475 | 1173 | 888 | 635 | 551 | 440 | 261 | 278 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off |
High Tide | 4:10PM1.86m | 5:07AM1.57m | 4:46PM1.94m | 5:38AM1.65m | 5:18PM2.03m | ||||||||||||||
Low Tide | 11:02PM1.01m | 10:34AM1.03m | 11:36PM0.92m | 11:07AM0.92m | |||||||||||||||
 |  |  |  | |  |  |  | | | | | | |  | | | | | |
 | — | — | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:08 | — | — | — | — | — |
 | 6:15 | — | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:10 | — | — |
mm | — | — | — | — | — | 2 | 5 | 6 | 4 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 11 | 10 | 10 | 9 | 10 | 10 | 8 | 9 | 9 | 9 | 8 | 7 | 7 | 8 | 11 | 11 | 9 | 10 |
Feels °C | 9 | 6 | 6 | 6 | 5 | 6 | 8 | -4 | -1 | 0 | 2 | 3 | 2 | 3 | 4 | 6 | 7 | 4 | 6 |
Swell 1 Height (m) Direction Period (s) | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | — | WNW 13 | — | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | WNW 11 | NW 11 |
| kJ | 486 | 437 | 437 | 424 | 502 | 718 | 913 | 966 | — | 555 | — | 1475 | 1173 | 888 | 635 | 551 | 440 | 261 | 278 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 8 | — | — | NNW 6 | NNW 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 13 | — | — | 16 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 4 | SE 3 | SE 3 | SE 4 | SE 3 | ESE 3 | — | — | NW 10 | NW 13 | NW 13 | — | — | — | SW 2 | SW 2 | — | — | — |
| kJ | 6 | 5 | 3 | 2 | 2 | 5 | — | — | 2514 | 2617 | 1892 | — | — | — | 1 | 1 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 3 | 3 | 3 | 3 | 3 | 6 | 0 | 56 | 256 | 199 | 175 | 37 | 5 | 5 | 5 | 0 | 0 | 3 | 0 |
Best forecast wave conditions in Antrim | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
Header Global | |||||||||||||||||||
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