Surf Forecasts:
White Rocks surf forecast from 11 Sep 2026:
- Best quality surf: Saturday 12 Sep, 7AM (local time) - 5ft (1.5m), 13s period, NW swell with offshore winds.
- Most powerful swell: Thursday 17 Sep, 4PM (local time) - 7.5ft (2.3m), 13s period, NW swell with 1,904 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 4PM (local time) - 3.5ft (1.0m), 8s period with NW 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 Friday (Sep 11) at 4PM. The primary swell is predicted to be 1.0m and 8s period with a secondary swell of 0.3m and 11s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at White Rocks in the next 16 days are 2.3m 13s and forecast to arrive on Thursday (Sep 17) at 4PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Saturday (Sep 12) at 7AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Fri 11th Sep) | 3.5ft (1.0m) 8s |
| Best Surf | 7AM (Sat 12th Sep) | 5ft (1.5m) 13s |
| Most Powerful | 4PM (Thu 17th Sep) | 7.5ft (2.3m) 13s |
Table - best surf conditions forecast for White Rocks over the next 16 days.
The Lowdown
Alright, listen up, let’s talk White Rocks. This is a beginner-friendly spot, exposed to that north-west swell window. The next few days are gonna be a slow burn, then a big blast, then a nice finish.
Right off the bat, from Friday the 11th through to Monday the 14th, it’s mostly small and messy. Waist-high junk, weak energy, not worth suiting up for a proper session. A lot of nothing.
But hold up, Sunday the 13th morning is your first real chance. The wind dies right out – glassy, light air from the south-southwest. The swell is a clean 4ft from the northwest with a 11-second period, a solid groundswell. Moderate energy (297). It’s clean, it’s smooth, perfect for those long, easy rides. That’s the pick of that first week.
Monday the 14th morning has offshore wind but the swell drops to just 2ft, way too small. Then Tuesday the 15th onward, the wind howls at 22 mph out of the west and north-west, turning the ocean into a lumpy mess. That lasts for days.
Then, hold on to your board. From Saturday the 19th through Monday the 21st, a massive swell hits. We’re talking 10ft to 13ft of north-west energy with periods of 13 to 15 seconds. Combined energy is extreme (2365 to 7164). This is expert-only, and frankly too big for White Rocks, even with clean wind on Saturday morning. It’s gonna be pounding.
The real gold comes on Tuesday the 22nd. The morning is clear, with a gentle 9 mph breeze from the south – that’s offshore. The swell drops back to a perfect 5ft from the NW with a 10-second period. Conditions are described as very good. This is your best session of the whole forecast. Friday the 25th morning looks just as good – light winds, clean, and around 5ft.
So, for the best waves, aim for that glassy Sunday the 13th, or better yet, lock in that Tuesday the 22nd and Friday the 25th mornings. Everything else in between is either flat, blown out, or too big.
Rusty.
Short Range ForecastLight rain (total 6mm), mostly falling on Fri night. Very mild (max 18°C on Sat morning, min 12°C on Thu night). Winds decreasing (fresh winds from the S on Fri night, calm by Sat night). | Days 4-6 Weather SummaryHeavy rain (total 32mm), heaviest during Mon night. Warm (max 20°C on Mon afternoon, min 13°C on Tue afternoon). Winds increasing (light winds from the SSW on Mon night, fresh winds from the NW by Tue night). | ||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | |||||||||||||||
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 6 | NW 8 | NW 11 | NW 12 | NW 12 | NW 12 | NW 11 | NW 10 | NW 10 | WNW 9 | WNW 8 | WNW 10 | WNW 11 | NW 5 | NW 5 | NW 7 | NW 10 | WNW 9 | WNW 10 | NW 13 | NW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 61 | 138 | 263 | 798 | 907 | 551 | 297 | 200 | 110 | 52 | 38 | 77 | 65 | 58 | 77 | 155 | 370 | 138 | 587 | 1904 | 1185 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | off | cross-off | cross-on | cross | glassy | cross-off | off | off | cross-off | off | cross | cross | cross-on | cross-on | cross | cross-off | cross-off | cross | cross-off |
High Tide | 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 | 10:26AM1.75m | 10:44PM1.62m | 11:20AM1.63m | 11:45PM1.47m | |||||||
Low Tide | 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 | 4:24AM0.78m | 4:20PM0.77m | 5:11AM0.95m | 5:21PM0.99m | ||||||||
 | |  | | |  | | | |  |  |  | | |  | |  |  |  | | | |
 | 6:48 | — | — | 6:50 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 7:01 | — | — |
 | — | 7:54 | — | — | 7:52 | — | — | 7:50 | — | — | 7:46 | — | — | 7:44 | — | — | 7:42 | — | — | 7:38 | — |
mm | — | — | 6 | — | — | — | — | — | — | 1 | 1 | 20 | 1 | 3 | 4 | 2 | — | 4 | 8 | — | — |
Temp °C | 15 | 16 | 15 | 18 | 15 | 14 | 15 | 17 | 17 | 18 | 20 | 17 | 14 | 13 | 14 | 13 | 13 | 14 | 14 | 14 | 13 |
Feels °C | 11 | 13 | 12 | 16 | 13 | 13 | 15 | 16 | 16 | 16 | 19 | 17 | 8 | 7 | 7 | 6 | 6 | 10 | 10 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | NW 6 | NW 8 | NW 11 | NW 12 | NW 12 | NW 12 | NW 11 | NW 10 | NW 10 | WNW 9 | WNW 8 | WNW 10 | WNW 11 | WNW 10 | WNW 10 | WNW 11 | NW 10 | WNW 9 | WNW 10 | NW 13 | NW 13 |
| kJ | 61 | 138 | 263 | 798 | 907 | 551 | 297 | 200 | 110 | 52 | 38 | 77 | 65 | 58 | 33 | 135 | 370 | 138 | 587 | 1904 | 1185 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | NW 11 | NW 13 | SE 4 | — | — | — | — | NNW 14 | NNW 13 | NNW 13 | N 12 | SE 5 | N 9 | NW 12 | — | — | — | — | — | — |
| kJ | 28 | 19 | 242 | 3 | — | — | — | — | 18 | 18 | 16 | 3 | 1 | 2 | 38 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 10 | — | — | — | — | — | — | — | — | ESE 3 | WNW 12 | — | N 9 | — | N 10 | — | — | — | — | — | — |
| kJ | 8 | — | — | — | — | — | — | — | — | 1 | 14 | — | 2 | — | 2 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SSE 2 | SW 3 | — | — | — | — | SE 2 | SSW 2 | SSW 3 | — | NW 4 | NW 5 | NW 5 | NW 7 | — | SW 3 | — | — | — |
| kJ | — | — | 1 | 2 | — | — | — | — | 1 | 1 | 1 | — | 5 | 47 | 77 | 155 | — | 2 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 175 | 0 | 396 | 5 | 51 | 5 | 0 | 0 | 0 | 0 | 5 | 0 | 374 | 395 | 587 | 834 | 774 | 5 | 5 | 253 | 185 |
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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