Surf Forecasts:
Southerndown surf forecast from 30 Jul 2026:
- Most powerful swell: Saturday 1 Aug, 4PM (local time) - 2.5ft (0.7m), 9s period, W swell with 79 kJ wave energy.
Best Forecast Surf Conditions for Southerndown this week:
The most powerful waves expected at Southerndown in the next 16 days are 0.7m 9s and forecast to arrive on Saturday (Aug 01) at 4PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Tuesday (Aug 04) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4PM (Sat 1st Aug) | 2.5ft (0.7m) 9s |
Table - best surf conditions forecast for Southerndown over the next 16 days.
The Lowdown
Alright, let’s get real about Southerndown. I’ve looked at the charts and I’m not gonna sugarcoat it – this stretch of the next 16 days is rough. There is no solid surf on the cards, and the first window where we might get something rideable doesn’t show up until August 9th, and even then it’s borderline.
Right now through the end of July and into the first week of August, we are looking at nothing but small, weak waves with poor conditions. The swell is tiny, mostly from the west and southwest, and the wind is almost always cross-on or onshore, chopping everything up. There are a few glassy moments on the afternoon of August 2nd and August 3rd, with offshore winds from the east, but the swell is only about 1 ft with weak energy. It’s flat. Not worth paddling out for.
The water temperature is a standout anomaly though. On July 30th, the water is sitting at 69°F with an anomaly of 8°F warmer than normal – that’s extremely unusual for the area. The sea feels like a bath, but it won’t make up for the lack of waves.
We finally get a bit of a pulse on the morning of Sunday, August 9th. Southerndown sees a 4 ft swell from the west with a period of 7 seconds and moderate energy (150). The wind goes glassy, which is the best we’ve seen in two weeks. The guidance calls it “surfable waves but very ordinary conditions.” This is the only real window where a beginner might get a few grovelly ones, but it’s not going to light anyone’s fire. For the more experienced crew, forget it.
After that morning, the wind swings onshore and the swell drops back to nothing through the second week. From August 10th to the 14th, we’re back to tiny less than 1 ft slop with mostly cross-on wind. It’s a long, dry spell. For this region, a blank run like this is not uncommon – sometimes it just goes quiet for a while.
If I’m being straight with you, there’s nothing here that gets me excited. The only break we got is Southerndown, a beginner spot that’s fairly consistent but it’s just not cooperating. Keep an eye on the forecasts; things can change. But right now, leave the board in the shed.
Rusty
Short Range ForecastMostly dry. Warm (max 20°C on Thu afternoon, min 13°C on Sat night). Mainly fresh winds. | Days 5-7 Weather SummaryMostly dry. Warm (max 28°C on Mon afternoon, min 16°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | ||||||||||||||
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) | W 5 | W 4 | W 5 | W 4 | W 4 | W 6 | W 9 | WSW 8 | WSW 8 | WSW 8 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | SW 8 | SW 8 | SW 7 | WSW 7 | WSW 7 | SW 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 12 | 9 | 13 | 20 | 9 | 30 | 79 | 14 | 13 | 13 | 10 | 31 | 30 | 29 | 17 | 15 | 9 | 5 | 4 | 11 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | glassy | off | cross-off | glassy | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:04PM8.36m | 8:21AM8.20m | 8:38PM8.58m | 8:55AM8.33m | 9:12PM8.66m | 9:30AM8.36m | 9:47PM8.61m | 10:05AM8.26m | 10:23PM8.42m | 10:44AM8.04m | 11:03PM8.10m | 11:27AM7.71m | 11:50PM7.67m | |||||||
Low Tide | 2:15AM1.00m | 2:25PM0.93m | 2:46AM0.83m | 2:56PM0.82m | 3:18AM0.77m | 3:28PM0.82m | 3:49AM0.83m | 4:01PM0.94m | 4:24AM1.00m | 4:38PM1.17m | 5:03AM1.29m | 5:22PM1.51m | ||||||||
 |  |  | | | | |  | | | | | | | | | | | | | |
 | — | — | 5:35 | — | — | 5:37 | — | — | 5:39 | — | — | 5:39 | — | — | 5:41 | — | — | 5:43 | — | — |
 | — | 9:06 | — | — | 9:04 | — | — | 9:02 | — | — | 9:00 | — | 8:59 | — | — | 8:58 | — | — | 8:55 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 17 | 17 | 17 | 16 | 16 | 17 | 15 | 20 | 24 | 21 | 24 | 28 | 23 | 24 | 25 | 20 | 22 | 21 | 18 |
Feels °C | 15 | 13 | 11 | 10 | 12 | 13 | 12 | 12 | 17 | 22 | 18 | 20 | 25 | 20 | 22 | 22 | 18 | 20 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 4 | W 9 | W 9 | SW 11 | W 5 | WSW 9 | W 4 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | SW 8 | SW 8 | SW 7 | WSW 7 | WSW 7 | SW 6 |
| kJ | 1 | 9 | 2 | 2 | 5 | 21 | 16 | 3 | 13 | 13 | 6 | 31 | 30 | 29 | 17 | 15 | 9 | 5 | 4 | 11 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 9 | W 9 | W 12 | W 9 | WSW 10 | — | WSW 8 | — | — | WSW 10 | — | — | — | W 9 | W 10 | SW 9 | W 8 | W 8 | W 10 |
| kJ | 2 | 2 | 2 | 3 | 2 | 10 | — | 14 | — | — | 10 | — | — | — | 6 | 2 | 3 | 1 | 1 | 2 |
Swell 3 Height (m) Direction Period (s) | — | W 9 | — | — | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | W 11 | W 10 | — |
| kJ | — | 2 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — |
Wind waves Height (m) Direction Period (s) | W 5 | — | W 5 | W 4 | W 4 | W 6 | W 9 | — | — | — | — | — | ENE 2 | ENE 2 | — | — | — | — | — | — |
| kJ | 12 | — | 13 | 20 | 9 | 30 | 79 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 389 | 196 | 213 | 388 | 353 | 473 | 213 | 92 | 210 | 210 | 50 | 56 | 30 | 50 | 56 | 347 | 375 | 495 | 334 | 169 |
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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