Surf Forecasts:
Rest Bay surf forecast from 15 Jul 2026:
- Most powerful swell: Wednesday 15 Jul, 4PM (local time) - 0.5ft (0.2m), 9s period, WSW swell with 10 kJ wave energy.
Best Forecast Surf Conditions for Rest Bay this week:
The most powerful waves expected at Rest Bay in the next 16 days are 0.1m 16s and forecast to arrive on Wednesday (Jul 15) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Thursday (Jul 16) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4PM (Wed 15th Jul) | 0.5ft (0.2m) 9s |
Table - best surf conditions forecast for Rest Bay over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's take a look at what Rest Bay has got cookin' for us.
Well, I gotta be straight with you – it’s looking like a proper flat spell for the foreseeable future. We’ve got a long, dry gap here. From now until the end of the third week of July, there’s basically nothing doing. The swell is tiny, barely a ripple, and the conditions are mostly a mess of onshore or cross-onshore breezes. It’s the kind of stretch where you’re better off checking the tides for a low-tide sandbar walk than paddling out.
We do finally see a little pulse of energy arriving on the morning of July 29th. A moderate offshore wind from the NE at 16 mph is blowing, but it's pushing into a weak 0.7 ft swell from the W with a short period of 10 seconds. The combined energy is still only 13, so it's weak. Still, with moderate offshore wind, it would be clean, but there’s just no power. If you’re desperate for a glide on a longboard, that's your window.
The real, and only, standout of this whole outlook is the morning of July 30th. We get a bump in swell to 3.6 ft from the W with a period of 6 seconds. Combined energy jumps to 92, which is still in the moderate range but a serious step up from the total flatness before. The wind is light from the W, but it's onshore, which will mess up the shape. It’s not going to be great, but it’s the best we’ve got. For a beach and point like Rest Bay which is fairly exposed to that SW optimum, it’s something. The water temperature, for the first break we mention here, is sitting at a very unusual 66.7° with a +7.2° anomaly – that’s much warmer than normal for the time of year.
To be honest, the surf quality is so poor across the board that for most days, this setup at a beach and point looks more interesting for kite surfing than paddle surfing, especially when the wind picks up. Hang in there.
Short Range ForecastMostly dry. Warm (max 29°C on Wed afternoon, min 17°C on Wed night). Winds decreasing (fresh winds from the E on Wed morning, calm by Fri morning). | Days 4-6 Weather SummaryMostly dry. Warm (max 23°C on Sat afternoon, min 15°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||
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 10 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | WNW 4 | W 7 | W 7 | W 10 | W 9 | NW 3 | W 11 | W 10 | W 10 | W 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 10 | 10 | 8 | 8 | 8 | 6 | 5 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 2 | 2 | 2 | 2 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | off | cross-on | off | glassy | cross-on | off | glassy | cross-on | off | cross-off | on | cross-off | cross-on | cross-on | off | cross-off | cross-on | cross-off |
High Tide | 8:04PM9.24m | 8:29AM8.96m | 8:50PM9.34m | 9:14AM8.89m | 9:35PM9.20m | 9:58AM8.63m | 10:18PM8.84m | 10:41AM8.22m | 11:02PM8.32m | 11:25AM7.72m | 11:46PM7.70m | 12:10PM7.18m | 00:34AM7.08m | ||||||||
Low Tide | 1:48PM0.48m | 2:18AM0.24m | 2:35PM0.35m | 3:04AM0.21m | 3:19PM0.40m | 3:48AM0.38m | 4:02PM0.64m | 4:31AM0.73m | 4:45PM1.02m | 5:13AM1.20m | 5:28PM1.51m | 5:57AM1.73m | 6:15PM2.03m | ||||||||
 | |  | | |  |  | | | | | | | | | | | | | | | |
 | 5:13 | — | — | 5:15 | — | — | 5:16 | — | — | 5:18 | — | — | 5:18 | — | — | 5:20 | — | — | 5:22 | — | — |
 | — | — | 9:25 | — | — | 9:24 | — | — | 9:23 | — | — | 9:22 | — | — | 9:21 | — | — | 9:20 | — | — | 9:19 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 29 | 26 | 26 | 28 | 27 | 23 | 25 | 23 | 20 | 23 | 23 | 21 | 22 | 20 | 21 | 22 | 20 | 23 | 24 | 23 |
Feels °C | 19 | 28 | 21 | 24 | 25 | 24 | 21 | 22 | 21 | 18 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 21 | 21 | 20 |
Swell 1 Height (m) Direction Period (s) | WSW 10 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | W 9 | W 8 | W 8 | WNW 3 | W 8 | W 8 | WNW 4 | W 7 | W 7 | — | W 9 | W 8 | WNW 4 | W 7 | W 10 | — |
| kJ | 9 | 8 | 8 | 7 | 7 | 6 | 5 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | 2 | 1 | 1 | 1 | 2 | — |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | W 16 | SW 14 | SW 7 | — | SW 6 | SW 6 | W 8 | — | — | W 8 | — | NW 4 | W 7 | — | — | W 8 | W 10 | W 7 | W 10 |
| kJ | 10 | 10 | 5 | 8 | 2 | — | 2 | 1 | 1 | — | — | 1 | — | 1 | 1 | — | — | 1 | 2 | 1 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 10 | SW 14 | SW 7 | NW 5 | — | S 6 | — | — | — | — | — | W 10 | — | — | W 11 | — | — | W 7 |
| kJ | — | — | — | 2 | 8 | 2 | 1 | — | 1 | — | — | — | — | — | 2 | — | — | 2 | — | — | 1 |
Wind waves Height (m) Direction Period (s) | ENE 3 | ENE 3 | ENE 3 | — | ENE 2 | — | — | — | — | — | — | NNE 2 | — | — | — | — | NW 3 | — | E 2 | — | — |
| kJ | 2 | 1 | 3 | — | 1 | — | — | — | — | — | — | 1 | — | — | — | — | 1 | — | 1 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 365 | 94 | 133 | 327 | 243 | 90 | 208 | 1432 | 394 | 421 | 421 | 97 | 131 | 208 | 337 | 415 | 435 | 90 | 140 | 145 | 140 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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Information about the Rest Bay Surf forecast
The above surf forecast table for Rest Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Rest Bay can be found by selecting the local surf guide option on the grey menu. Our Rest Bay 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 (Rest Bay) 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 Rest Bay 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.
Rest Bay is 1 km (1 miles) from Porthcawl. If you plan a holiday in Wales - South East, look for hotels and other accommodation in Porthcawl. Porthcawl has rooms for a wide range of budgets as well as car hire and transport links.
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