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Surf Forecasts:
White Rocks surfForecast / Antrim / Ireland
48hr Weather and Surf, issued 12 pm Thursday 21 May 2026 BSTForecast update in hr min s Forecast update imminent
White Rocks surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's White Rocks sea temperature is
10.5° C
(Which is normal for this time of year)How big are the waves at White Rocks today?
The current surf forecast for White Rocks at 6PM is: 0.3m 11s primary swell from a West-northwest direction and 0.4m 7s secondary swell from a Northwest direction (forecast issued at 12:00pm May 21). The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 2ft (0.6m) | 8s |
| Afternoon (21 May) | 1.5ft (0.5m) | 7s |
| Evening (21 May) | 1ft (0.3m) | 11s |
Table - waves today at White Rocks. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Thu afternoon. Very mild (max 18°C on Thu afternoon, min 12°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 8 | NW 8 | NW 7 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 12 | W 11 | WNW 12 | WNW 12 | W 12 | W 12 | WNW 12 | W 12 | W 12 | W 11 | W 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | |
53 | 28 | 25 | 23 | 23 | 11 | 11 | 25 | 27 | 10 | 28 | 14 | 11 | 11 | 13 | 3 | 11 | 10 | 9 | 20 | 19 | 34 | 36 | 35 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | off | off | off | off | off | cross-off | glassy | off | off | off | off | cross-off | cross | glassy | off | off | off | off | |
High Tide | 11:09AM1.64m | 11:35PM1.87m | 12:31PM1.49m | 1:40AM1.82m | 2:00PM1.42m | 2:56AM1.82m | ||||||||||||||||||
Low Tide | 4:31PM0.66m | 7:12AM0.69m | 5:28PM0.79m | 8:30AM0.69m | 6:40PM0.87m | |||||||||||||||||||
 |  |  | |  | | | | | | | |  | |  | | | | | |  | | | | |
 | 5:07 | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:03 | — |
 | — | — | — | 9:37 | — | — | — | — | — | — | — | 9:39 | — | — | — | — | — | — | — | 9:40 | — | — | — | 9:43 |
— | — | 1 | 3 | — | — | — | — | — | — | — | 1 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 16 | 18 | 15 | 15 | 14 | 13 | 12 | 14 | 16 | 18 | 17 | 12 | 14 | 13 | 12 | 13 | 17 | 18 | 16 | 16 | 15 | 14 | 13 |
13 | 14 | 16 | 13 | 12 | 10 | 8 | 8 | 10 | 13 | 14 | 15 | 12 | 12 | 11 | 10 | 10 | 14 | 15 | 14 | 15 | 13 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | WNW 11 | ESE 4 | W 11 | WNW 12 | WNW 12 | W 12 | W 12 | WNW 12 | W 6 | W 12 | WNW 5 | WNW 7 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
 kJ | 53 | 28 | 25 | 12 | 11 | 7 | 7 | 25 | 4 | 10 | 28 | 14 | 11 | 11 | 13 | 1 | 11 | 3 | 5 | 20 | 19 | 34 | 36 | 35 |
Swell 2 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 6 | WNW 12 | ESE 3 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | — | W 12 | WNW 5 | W 11 | W 11 | — | — | SE 4 | — | — |
| kJ | 25 | 24 | 23 | 23 | 23 | 11 | 11 | 4 | 27 | 1 | 1 | 2 | 2 | 2 | — | 3 | 3 | 10 | 9 | — | — | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | SE 3 | ESE 3 | ESE 3 | SE 4 | N 9 | N 8 | N 8 | — | WNW 6 | NW 6 | NW 6 | NW 6 | NW 6 | N 6 | — | W 10 | — | — | — | — | — | — | — | — |
| kJ | 2 | 1 | 1 | 1 | 2 | 1 | 1 | — | 4 | 2 | 2 | 1 | 1 | 1 | — | 2 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 2 | SSW 2 | S 3 | — | SE 2 | SE 3 | SE 3 | SE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 1 | — | 1 | 2 | 3 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 51 | 68 | 68 | 122 | 79 | 68 | 75 | 56 | 51 | 51 | 50 | 50 | 51 | 50 | 75 | 51 | 56 | 51 | 50 | 50 | 50 | 50 |
Best forecast wave conditions in Antrim | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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