Surf Forecasts:
Rest Bay surf forecast from 21 Aug 2026:
- Best quality surf: Friday 28 Aug, 7AM (local time) - 4.5ft (1.4m), 6s period, WSW swell with cross-offshore winds.
- Most powerful swell: Friday 28 Aug, 7AM (local time) - 4.5ft (1.4m), 6s period, WSW swell with 151 kJ wave energy.
- Next surfable swell (1★+): Friday 28 Aug, 7AM (local time) - 4.5ft (1.4m), 6s period with WSW swell.
Best Forecast Surf Conditions for Rest Bay this week:
The surf forecast for Rest Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 28) at 7AM. The primary swell is predicted to be 1.4m and 6s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Rest Bay in the next 16 days are 1.4m 6s and forecast to arrive on Friday (Aug 28) at 7AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Tuesday (Aug 25) at 1PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Fri 28th Aug) | 4.5ft (1.4m) 6s |
| Best Surf | 7AM (Fri 28th Aug) | 4.5ft (1.4m) 6s |
| Most Powerful | 7AM (Fri 28th Aug) | 4.5ft (1.4m) 6s |
Table - best surf conditions forecast for Rest Bay over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s take a hard look at what we’ve got for Rest Bay over the next couple of weeks.
To be straight with you, this is a pretty grim run. We are looking at a long, dry spell with no real surf to speak of. From now right through to the morning of Friday the 28th of August, it’s all tiny, weak, and mostly messy. The first few days are essentially flat, with swell heights barely scraping 1 ft to 2 ft and combined wave energy stuck in the weak range (42 or less). Even when the wind goes glassy on the morning of Saturday the 22nd, there’s just nothing in the water to ride.
We then go through a whole week of tiny, low-energy conditions. The mornings of Monday the 24th and Tuesday the 25th look clean with cross-off winds, but the swell is practically non-existent at 0.3 ft to 0.6 ft. You could be out there on a foamie, but honestly, it’s not worth the paddle. The energy never breaks 20 (weak).
Finally, on the morning of Friday the 28th of August, things start to wake up. Swell bumps to 4 ft from the WSW with a short 7-second period, and the wind is a clean cross-off from the NE. The combined energy jumps to a moderate 233. It’s still messy behind the scenes, but for the first time in over a week, there’s something to work with. If you’ve been waiting, that’s your best chance, but even then, the afternoon turns ugly with a 19 mph onshore.
Saturday the 29th morning pushes up to 6 ft from the WSW (8 seconds, 318 energy), but the wind swings cross-on, making it choppy. By the afternoon, it’s a full onshore mess at 6 ft. That’s expert-only territory for size, and with the wind, it’s blown out.
After that, we drop right back down into the doldrums for the first week of September. Nothing but tiny, weak, or windy junk. The forecast confidence for the second week is shaky, but the data shows no good windows.
So, there is no standout wave here over the whole 16-day window. The only flicker of hope is that Friday morning the 28th of August, and even that is just barely a session. The rest is a write-off.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Thu night. Warm (max 21°C on Sun afternoon, min 12°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 12mm), heaviest on Wed morning. Warm (max 25°C on Tue afternoon, min 15°C on Sun night). Winds increasing (light winds from the NW on Sun night, strong winds from the E by Mon night). | ||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||
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) | W 9 | WSW 8 | WSW 8 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 11 | WSW 10 | WSW 9 | SW 13 | W 13 | W 13 | SW 5 | W 9 | SSW 4 | SW 6 | WSW 8 | WSW 8 | SW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 39 | 22 | 10 | 18 | 17 | 8 | 8 | 8 | 11 | 9 | 8 | 7 | 3 | 3 | 4 | 6 | 20 | 54 | 51 | 44 | 12 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | off | glassy | on | off | cross-off | cross-on | off | cross-off | cross-off | off | cross-off | cross | cross-off | cross | cross-on | cross-off | cross-off | on | cross-off |
High Tide | 1:00PM6.16m | 1:39AM5.89m | 2:24PM5.84m | 3:16AM5.76m | 4:00PM5.98m | 4:38AM6.08m | 5:06PM6.47m | 5:32AM6.62m | 5:53PM7.08m | 6:13AM7.20m | 6:31PM7.70m | 6:49AM7.76m | 7:05PM8.26m | ||||||||
Low Tide | 6:37AM2.88m | 7:14PM3.08m | 7:53AM3.28m | 8:46PM3.31m | 9:31AM3.29m | 10:20PM3.09m | 10:50AM2.91m | 11:23PM2.60m | 11:43AM2.36m | 00:08AM2.02m | 12:22PM1.78m | 00:45AM1.45m | 12:57PM1.25m | 1:17AM0.97m | |||||||
 |  |  | | |  | | | |  | |  | | | | |  |  | | |  | |
 | 6:07 | — | — | 6:09 | — | — | 6:11 | — | — | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — | 6:18 | — | — |
 | — | 8:25 | — | — | 8:23 | — | — | 8:22 | — | — | 8:19 | — | — | 8:16 | — | — | 8:15 | — | — | 8:13 | — |
mm | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 4 | 6 | 2 | 3 | 1 | 2 | 5 |
Temp °C | 17 | 18 | 16 | 16 | 19 | 16 | 18 | 21 | 19 | 21 | 24 | 19 | 23 | 25 | 19 | 20 | 22 | 17 | 19 | 20 | 16 |
Feels °C | 13 | 15 | 12 | 13 | 15 | 12 | 16 | 17 | 17 | 15 | 18 | 12 | 17 | 21 | 18 | 16 | 16 | 15 | 15 | 18 | 13 |
Swell 1 Height (m) Direction Period (s) | W 9 | WSW 8 | W 5 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 11 | WSW 10 | WSW 9 | SW 9 | W 8 | W 8 | SW 5 | SW 4 | W 9 | SW 6 | WSW 8 | WSW 8 | WSW 11 |
| kJ | 39 | 22 | 5 | 18 | 17 | 8 | 8 | 7 | 11 | 9 | 8 | 3 | 1 | 1 | 4 | 4 | 6 | 54 | 51 | 44 | 11 |
Swell 2 Height (m) Direction Period (s) | — | W 13 | WSW 8 | SW 15 | SW 15 | — | SW 14 | SW 14 | — | SW 14 | SW 14 | SW 13 | SW 9 | SW 8 | W 8 | W 9 | — | WSW 8 | — | — | W 7 |
| kJ | — | 3 | 7 | 9 | 9 | — | 8 | 8 | — | 8 | 8 | 7 | 3 | 3 | 1 | 6 | — | 12 | — | — | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | SW 16 | W 15 | — | SW 15 | W 15 | — | — | — | — | — | W 13 | W 13 | SW 8 | SW 8 | — | — | — | — | SW 8 |
| kJ | — | — | 10 | 5 | — | 8 | 4 | — | — | — | — | — | 3 | 3 | 3 | 2 | — | — | — | — | 10 |
Wind waves Height (m) Direction Period (s) | NW 4 | NW 3 | NE 2 | — | — | — | — | — | — | — | ESE 3 | E 3 | ESE 3 | SE 4 | SSE 4 | — | SSW 4 | — | SE 2 | SSE 3 | WSW 4 |
| kJ | 3 | 2 | 1 | — | — | — | — | — | — | — | 1 | 8 | 12 | 16 | 1 | — | 20 | — | 1 | 4 | 12 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 21 | 244 | 90 | 34 | 206 | 42 | 77 | 157 | 34 | 415 | 105 | 298 | 319 | 330 | 168 | 243 | 256 | 51 | 41 | 416 | 42 |
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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