Surf Forecasts:
Southerndown surf forecast from 3 Sep 2026:
- Best quality surf: Saturday 5 Sep, 7PM (local time) - 2ft (0.6m), 10s period, WSW swell with glassy winds.
- Most powerful swell: Tuesday 8 Sep, 4AM (local time) - 7ft (2.2m), 9s period, W swell with 759 kJ wave energy.
- Next surfable swell (1★+): Saturday 5 Sep, 7PM (local time) - 2ft (0.6m), 10s period with WSW swell.
Best Forecast Surf Conditions for Southerndown this week:
The surf forecast for Southerndown over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Sep 05) at 7PM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.1m and 14s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Southerndown in the next 16 days are 2.2m 9s and forecast to arrive on Tuesday (Sep 08) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sat 5th Sep) | 2ft (0.6m) 10s |
| Best Surf | 7PM (Sat 5th Sep) | 2ft (0.6m) 10s |
| Most Powerful | 4AM (Tue 8th Sep) | 7ft (2.2m) 9s |
Table - best surf conditions forecast for Southerndown over the next 16 days.
The Lowdown
Alright, Southerndown. We’re in for a rough patch here. The water is about 68°F, which is almost 7°F warmer than normal for this time of year – feels like a bath, but that’s where the good news ends. The surf outlook is grim for quite a while.
Starting Thursday the 3rd, and for the first solid week and a half, it’s a total bust. The wind howls from the west and west-south-west at 18-22 mph, blowing a cross-onshore mess. The swell is there, 4 to 7 ft, but it’s short-period junk at 8 seconds and has moderate wave energy (180 to 632). It’s just blown out and ugly. Friday the 4th and all through the weekend are the same story: choppy, lumpy, and not worth the effort. You can basically write off the 3rd through the 9th.
There’s a brief window on Sunday the 6th morning with clean wind, but the swell is a tiny 1 ft with weak energy (29). Nothing to ride. Same thing happens on Thursday the 10th morning and again on the 13th through the 15th – the wind turns offshore or goes glassy, perfect for clean waves, but the swell is pathetically small, under 2 ft. No push.
The one real highlight is Tuesday the 15th afternoon. It’s glassy, dead calm. A 1 ft swell from the WSW with a period of 16 seconds rolls in. That’s a very long period groundswell – 16 seconds – so it’ll have some sneaky energy (107) and a ton of wait between sets. Southerndown is pretty exposed from the SW, but with that long period, the waves might break a bit straight and fat on a beach break. It’s a consistent beginner spot, so you might find a tiny, clean little wave for a longboard if you’re a beginner and don’t mind a real slow day. It’s the only real option, but it’s a slim one.
After that, it’s flat. From the 16th through the 18th, we’re looking at 0.6 ft to nothing, with almost no energy (1 to 56). If you’re desperate, maybe that Tuesday afternoon or the morning of the 10th are your only shots, and that’s a long shot. This looks more interesting for a kite surfer with all that lumpy stuff and offshore wind potential, but for a paddle surfer, it’s a long, slow grind.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Thu night. Warm (max 20°C on Thu night, min 13°C on Fri night). Winds decreasing (strong winds from the WSW on Thu night, calm by Sat night). | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Mon night. Warm (max 23°C on Sun afternoon, min 12°C on Mon night). Winds increasing (light winds from the S on Sun afternoon, fresh winds from the WSW by Mon night). | ||||||||||||||||||||
Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | |||||||||||||||
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) | WSW 8 | WSW 8 | WSW 6 | WSW 8 | WSW 8 | W 7 | WSW 7 | WSW 8 | WSW 9 | WSW 9 | WSW 6 | WSW 8 | W 13 | WSW 12 | WSW 7 | W 9 | W 8 | WSW 8 | W 8 | WSW 8 | W 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 176 | 214 | 170 | 392 | 333 | 92 | 60 | 73 | 47 | 26 | 23 | 56 | 653 | 589 | 446 | 632 | 509 | 240 | 103 | 60 | 42 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross-on | cross | cross-on | cross-on | cross-off | cross-off | cross-on | on | cross | cross-on | on | cross | cross-on | cross | cross | cross-on | on |
High Tide | 11:00AM7.92m | 11:25PM7.66m | 11:52AM7.32m | 00:25AM7.00m | 1:01PM6.77m | 1:47AM6.53m | 2:33PM6.57m | 3:24AM6.57m | 4:04PM6.95m | 4:43AM7.10m | 5:11PM7.65m | 5:41AM7.78m | 6:04PM8.38m | ||||||||
Low Tide | 4:54PM1.40m | 5:20AM1.75m | 5:49PM2.00m | 6:24AM2.36m | 7:09PM2.53m | 7:57AM2.74m | 8:57PM2.62m | 9:43AM2.57m | 10:31PM2.15m | 11:01AM1.98m | 11:35PM1.47m | 11:55AM1.31m | 00:23AM0.82m | ||||||||
 | |  | | |  |  | | | | | | |  |  | |  | | | |  | |
 | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — |
 | — | 7:57 | — | — | 7:54 | — | — | 7:52 | — | — | 7:50 | — | — | 7:47 | — | — | 7:45 | — | — | 7:44 | — |
mm | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | 6 | — | 1 | 1 | — | — | 1 |
Temp °C | 19 | 18 | 20 | 17 | 16 | 16 | 15 | 16 | 15 | 22 | 23 | 18 | 16 | 16 | 16 | 15 | 15 | 14 | 15 | 16 | 14 |
Feels °C | 16 | 14 | 15 | 12 | 10 | 11 | 13 | 14 | 14 | 17 | 18 | 17 | 11 | 12 | 12 | 8 | 9 | 10 | 11 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | W 15 | — | — | SW 15 | W 15 | WSW 8 | WSW 7 | WSW 8 | WSW 9 | WSW 9 | WSW 6 | W 16 | W 13 | — | — | — | — | WSW 8 | W 8 | — | W 7 |
| kJ | 4 | — | — | 9 | 4 | 55 | 60 | 73 | 47 | 26 | 23 | 5 | 334 | — | — | — | — | 240 | 103 | — | 38 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SW 14 | WSW 9 | SW 14 | — | — | — | W 16 | WSW 13 | — | — | — | — | — | — | — | W 8 |
| kJ | — | — | — | — | — | 8 | 17 | 8 | — | — | — | 5 | 35 | — | — | — | — | — | — | — | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 6 | WSW 8 | WSW 8 | W 7 | — | — | — | SE 3 | SSE 3 | WSW 8 | W 13 | WSW 12 | WSW 7 | W 9 | W 8 | — | — | WSW 8 | WSW 7 |
| kJ | 176 | 214 | 170 | 392 | 333 | 92 | — | — | — | 3 | 2 | 56 | 653 | 589 | 446 | 632 | 509 | — | — | 60 | 42 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 140 | 381 | 165 | 91 | 352 | 79 | 19 | 140 | 12 | 54 | 231 | 128 | 39 | 101 | 136 | 138 | 353 | 34 | 170 | 101 | 19 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Information about the Southerndown Surf forecast
The above surf forecast table for Southerndown provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Southerndown can be found by selecting the local surf guide option on the grey menu. Our Southerndown 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 (Southerndown) 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 Southerndown 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 Wales - South East? If you are looking for accommodation near Southerndown, camping, hotels and holiday cottages in Wales - South East, consider staying in Porthcawl which is 6 km (4 miles) away. Other places in and around Wales - South East where you can find information about places to rent, and car hire include Nash Point which is 8 km (5 miles) away, Coity, Maesteg and Barry.
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