Surf Forecasts:
White Rocks surf forecast from 1 Sep 2026:
- Best quality surf: Tuesday 8 Sep, 10AM (local time) - 10ft (3.0m), 10s period, WNW swell with cross-offshore winds.
- Most powerful swell: Friday 4 Sep, 7PM (local time) - 8ft (2.5m), 12s period, NW swell with 1,936 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 10PM (local time) - 2.5ft (0.8m), 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 Tuesday (Sep 01) at 10PM. The primary swell is predicted to be 0.8m and 8s period. 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 2.5m 12s and forecast to arrive on Friday (Sep 04) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Tuesday (Sep 08) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Tue 1st Sep) | 2.5ft (0.8m) 8s |
| Best Surf | 10AM (Tue 8th Sep) | 10ft (3.0m) 10s |
| Most Powerful | 7PM (Fri 4th Sep) | 8ft (2.5m) 12s |
Table - best surf conditions forecast for White Rocks over the next 16 days.
The Lowdown
Alright, Rusty here again with the same picture, just in feet and Fahrenheit.
Water temp is a little on the warm side at 60°, about 2° above the norm for September.
The start of the outlook is quiet. First chance to get wet is Wednesday afternoon, the 2nd of September. White-Rocks is small – waves around 1 ft from the NW – but clean and rideable with a light offshore breeze. Not a day for the photo album.
Through Thursday and Friday the signs of life are weak. Combined energy is between 40 and 78, and the swell rarely gets above knee-high. Not worth the trip.
Friday the 4th builds into the afternoon with a solid 8 ft WNW groundswell. The period hits 12 seconds, so there’s some deep water energy, but the wind goes messy cross. Combined energy is 1485. That’s a lot of power for a beach break.
The standout for the first week? Saturday the 5th morning. White-Rocks gets a clean 6 ft NW swell with cross-off wind. The energy is 738. Not too big, not too small – right in the zone for a good session.
Then Tuesday the 8th of September brings a monster 10 ft WNW swell with 1424 energy and a 30 km/h wind. It’s huge and the break can’t handle that size. Only for the brave.
The middle of the run gets slow, with tiny 1 ft waves until we hit Monday the 14th which kicks up a little. But the real second-week winner is Tuesday the 15th. Morning at White-Rocks has a 7 ft NW swell, gentle offshore wind, and 1066 combined energy. Excellent conditions for experienced surfers – clean and pushing hard.
Bottom line – Saturday morning the 5th is your best all-around option. For a later gamble, Tuesday the 15th looks worth the wait.
Rusty out.
Short Range ForecastModerate rain (total 19mm), heaviest on Tue afternoon. Very mild (max 18°C on Wed afternoon, min 13°C on Tue night). Winds increasing (calm on Tue night, fresh winds from the SW by Thu night). | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Sat night. Warm (max 20°C on Sun afternoon, min 12°C on Fri night). Winds decreasing (strong winds from the W on Fri afternoon, light winds from the S by Sat night). | ||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||||
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) | WNW 8 | WNW 8 | NW 8 | NW 8 | NW 8 | NNW 8 | WNW 7 | WNW 10 | WNW 10 | WNW 11 | WNW 12 | NW 12 | NW 11 | NW 10 | NW 9 | NW 8 | WNW 8 | WNW 9 | WNW 8 | WNW 8 | WNW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 50 | 125 | 65 | 49 | 30 | 14 | 31 | 69 | 227 | 686 | 1485 | 1883 | 738 | 388 | 179 | 82 | 48 | 149 | 133 | 143 | 163 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | glassy | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross | off | off | off | cross-off | cross-on | cross-on | off |
High Tide | 10:20PM2.14m | 10:29AM1.81m | 11:13PM1.97m | 11:19AM1.68m | 00:22AM1.79m | 12:43PM1.56m | 2:06AM1.66m | 3:34PM1.62m | 3:41AM1.65m | 4:42PM1.77m | 4:50AM1.70m | 5:30PM1.92m | |||||||||
Low Tide | 3:49PM0.50m | 4:20AM0.63m | 4:38PM0.67m | 5:08AM0.78m | 5:41PM0.85m | 6:04AM0.94m | 7:34PM0.98m | 7:24AM1.05m | 9:46PM0.93m | 9:17AM1.05m | 11:03PM0.82m | 10:27AM0.95m | 11:59PM0.70m | ||||||||
 |  |  |  |  | |  | |  | |  |  | | | | | | | | | | |
 | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — | 6:41 | — | — |
 | — | 8:20 | — | — | 8:17 | — | — | 8:15 | — | — | 8:13 | — | — | 8:09 | — | — | 8:07 | — | — | 8:05 | — |
mm | 1 | 9 | 4 | — | 1 | 1 | — | 1 | 2 | — | — | — | — | — | 1 | — | — | 3 | 1 | — | 1 |
Temp °C | 16 | 15 | 14 | 16 | 18 | 17 | 17 | 18 | 14 | 14 | 14 | 13 | 16 | 16 | 15 | 18 | 20 | 19 | 14 | 14 | 14 |
Feels °C | 11 | 12 | 14 | 14 | 17 | 15 | 14 | 15 | 11 | 7 | 5 | 7 | 12 | 12 | 13 | 14 | 17 | 17 | 12 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 8 | NW 8 | NW 8 | NW 8 | WNW 7 | WNW 7 | WNW 10 | WNW 10 | WNW 11 | — | NW 12 | NW 11 | NW 10 | NW 9 | NW 8 | WNW 8 | ESE 4 | WNW 8 | WNW 8 | WNW 10 |
| kJ | 50 | 125 | 65 | 49 | 28 | 10 | 31 | 69 | 227 | 686 | — | 1883 | 738 | 388 | 179 | 82 | 48 | 1 | 133 | 143 | 163 |
Swell 2 Height (m) Direction Period (s) | NNW 6 | — | — | — | NNW 9 | NNW 8 | NNW 10 | NNW 9 | — | — | — | — | — | — | — | ESE 6 | ESE 4 | SE 8 | W 14 | NW 10 | — |
| kJ | 3 | — | — | — | 30 | 14 | 9 | 8 | — | — | — | — | — | — | — | 3 | 1 | 2 | 4 | 25 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | N 7 | — | — | — | — | — | — | — | — | ESE 6 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 4 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 3 | — | — | — | SE 2 | WSW 2 | SSW 2 | WSW 2 | SW 3 | SW 3 | WNW 12 | — | — | — | — | SSE 4 | S 3 | WNW 9 | SW 2 | SW 3 | SSE 4 |
| kJ | 7 | — | — | — | 1 | 1 | 1 | 1 | 3 | 3 | 1485 | — | — | — | — | 8 | 3 | 149 | 1 | 3 | 30 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 201 | 51 | 0 | 50 | 0 | 201 | 51 | 5 | 5 | 388 | 298 | 343 | 201 | 57 | 0 | 0 | 68 | 51 | 140 | 51 | 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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