Surf Forecasts:
White Rocks surf forecast from 9 Sep 2026:
- Best quality surf: Saturday 12 Sep, 10AM (local time) - 6ft (1.8m), 13s period, NW swell with offshore winds.
- Most powerful swell: Saturday 12 Sep, 10AM (local time) - 6ft (1.8m), 13s period, NW swell with 1,144 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 7PM (local time) - 2.5ft (0.7m), 8s period with WNW swell.
Best Forecast Surf Conditions for White Rocks this week:
The surf forecast for White Rocks over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 09) at 7PM. The primary swell is predicted to be 0.7m and 8s period with a secondary swell of 0.5m and 8s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at White Rocks in the next 16 days are 1.8m 13s and forecast to arrive on Saturday (Sep 12) at 10AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Thursday (Sep 10) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Wed 9th Sep) | 2.5ft (0.7m) 8s |
| Best Surf | 10AM (Sat 12th Sep) | 6ft (1.8m) 13s |
| Most Powerful | 10AM (Sat 12th Sep) | 6ft (1.8m) 13s |
Table - best surf conditions forecast for White Rocks over the next 16 days.
The Lowdown
Righto, surf’s up… or, well, it’s gonna be a bit of a wait. The next week and a half is looking pretty average for us here, with only glimmers of proper surf. The water’s sitting at 60° and that’s about 2° warmer than usual for this time of year – a touch on the nice side.
We’re looking at a real slow start. The first few days are basically a write-off. Too much wind, messy cross-onshore junk, no real energy. You’d be fighting a losing battle. Then we get a slight pulse of swell on Saturday the 12th, pushing up to 6ft from the NW with a 13-second period. The energy jumps to a solid 1053 – that’s moderate-to-strong for us. But the wind is going to be a bit of a problem, so it’s not going to be clean.
The real standout, the one to circle on the calendar, is Saturday the 19th of September. That’s the one. We’ve got a clean 6ft NW swell with a 10-second period, and light offshore SSE winds expected in the morning. The energy reading is 592, solid and pumping. White Rocks is exposed to the NW, so it’ll be handling all that juice. It won’t be huge, but it’ll be clean, and that’s what we want. This is the pick of the entire stretch. The week after that looks like it’s fading back out, with a few small, gutless days. There’s a hint of something glassy on Wednesday the 23rd with a longer period, but it’s down at 3ft, so it’s more of a longboard cruise than a proper session.
So, don’t get too excited for the week ahead. Be patient. The 19th is the day.
Rusty
Short Range ForecastSome drizzle, heaviest during Thu morning. Very mild (max 16°C on Thu afternoon, min 12°C on Tue night). Winds decreasing (fresh winds from the NW on Tue night, calm by Wed afternoon). | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Fri night. Very mild (max 19°C on Sat morning, min 12°C on Sat night). Winds decreasing (fresh winds from the S on Fri night, light winds from the W by Sun morning). | ||||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NW 9 | NNW 8 | WNW 8 | WNW 7 | WNW 11 | WNW 6 | NW 8 | NW 8 | NW 13 | NW 13 | NW 13 | NW 12 | NW 11 | NW 10 | NW 10 | WNW 9 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 357 | 78 | 39 | 31 | 66 | 48 | 122 | 135 | 444 | 1144 | 932 | 813 | 422 | 313 | 134 | 52 | 99 | 148 | 99 | 90 | 71 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | off | off | cross-off | cross | cross-off | cross | off | off | cross-on | cross | cross-off | cross-off | off | off | off | off | cross | cross-on | cross-off |
High Tide | 6:18AM1.86m | 6:36PM2.19m | 6:51AM1.95m | 7:06PM2.28m | 7:23AM2.03m | 7:38PM2.32m | 7:55AM2.07m | 8:10PM2.28m | 8:29AM2.05m | 8:45PM2.17m | 9:05AM1.98m | 9:22PM2.00m | 9:43AM1.88m | 10:00PM1.81m | |||||||
Low Tide | 11:45AM0.63m | 1:04AM0.49m | 12:21PM0.44m | 1:30AM0.41m | 12:58PM0.29m | 1:59AM0.38m | 1:35PM0.21m | 2:31AM0.39m | 2:13PM0.23m | 3:06AM0.48m | 2:52PM0.34m | 3:43AM0.61m | 3:34PM0.53m | ||||||||
 |  |  |  | |  | | |  |  | | |  | | | | |  | | |  | |
 | 6:46 | — | — | 6:47 | — | — | 6:48 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — |
 | — | 8:00 | — | — | 7:57 | — | — | 7:54 | — | — | 7:52 | — | — | 7:50 | — | — | 7:46 | — | — | 7:44 | — |
mm | — | — | — | 1 | — | — | — | — | 3 | 1 | 1 | — | — | — | — | — | — | 2 | 2 | — | — |
Temp °C | 14 | 15 | 14 | 15 | 16 | 14 | 15 | 15 | 15 | 19 | 15 | 13 | 15 | 16 | 15 | 17 | 19 | 18 | 14 | 14 | 13 |
Feels °C | 11 | 12 | 11 | 10 | 12 | 9 | 11 | 13 | 11 | 16 | 10 | 8 | 14 | 15 | 11 | 16 | 18 | 17 | 10 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | NW 9 | NNW 8 | WNW 8 | WNW 7 | WNW 11 | WNW 12 | NW 8 | NW 8 | NW 11 | NW 13 | NW 13 | NW 12 | NW 11 | NW 10 | NW 10 | WNW 9 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 |
| kJ | 357 | 78 | 39 | 31 | 66 | 27 | 122 | 135 | 341 | 1144 | 932 | 813 | 422 | 313 | 134 | 52 | 99 | 148 | 99 | 90 | 71 |
Swell 2 Height (m) Direction Period (s) | — | NW 8 | NNW 8 | N 7 | SE 4 | — | W 10 | NW 11 | NW 13 | — | — | — | — | — | NNW 13 | NNW 12 | NNW 13 | — | N 10 | N 10 | — |
| kJ | — | 70 | 11 | 1 | 2 | — | 8 | 46 | 444 | — | — | — | — | — | 16 | 15 | 16 | — | 2 | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SE 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SSE 3 | SW 3 | WNW 6 | — | — | — | SSE 5 | NW 5 | — | — | — | — | S 3 | SW 3 | — | S 3 | S 3 | ESE 4 |
| kJ | — | — | — | 5 | 2 | 48 | — | — | — | 11 | 47 | — | — | — | — | 3 | 2 | — | 1 | 1 | 8 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 587 | 5 | 5 | 0 | 207 | 389 | 352 | 343 | 169 | 6 | 11 | 83 | 37 | 5 | 0 | 0 | 0 | 5 | 0 | 0 | 0 |
Best forecast wave conditions in Antrim | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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Information about the White Rocks Surf forecast
The above surf forecast table for White Rocks provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at White Rocks can be found by selecting the local surf guide option on the grey menu. Our White Rocks surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (White Rocks) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for White Rocks may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Antrim? If you are looking for accommodation near White Rocks, camping, hotels and holiday cottages in Antrim, consider staying in Coleraine which is 11 km (7 miles) away. Other places in and around Antrim where you can find information about places to rent, and car hire include Ballycastle which is 21 km (13 miles) away, Ballypatrick, Ballymena and Malin Head.
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