Surf Forecasts:
Rest Bay surf forecast from 4 Sep 2026:
- Best quality surf: Saturday 5 Sep, 10PM (local time) - 2ft (0.6m), 10s period, WSW swell with glassy winds.
- Most powerful swell: Monday 7 Sep, 4PM (local time) - 5.5ft (1.7m), 13s period, WSW swell with 903 kJ wave energy.
- Next surfable swell (1★+): Saturday 5 Sep, 10PM (local time) - 2ft (0.6m), 10s 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 Saturday (Sep 05) at 10PM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.1m and 13s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Rest Bay in the next 16 days are 1.7m 13s and forecast to arrive on Monday (Sep 07) at 4PM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sat 5th Sep) | 2ft (0.6m) 10s |
| Best Surf | 10PM (Sat 5th Sep) | 2ft (0.6m) 10s |
| Most Powerful | 4PM (Mon 7th Sep) | 5.5ft (1.7m) 13s |
Table - best surf conditions forecast for Rest Bay over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what Rest Bay is cookin’ up for us over the next couple weeks. I gotta be straight with you – it’s a bleak outlook. There’s a big ol’ gap of nothing worthwhile from now until the 17th of September, so you’re lookin’ at a solid 13 days or so with no real reason to paddle out.
The whole pattern is locked into poor surf conditions. The best of a bad bunch finally shows up on Thursday the 17th of September. The morning offers up a clean, but small option. We’re lookin’ at surf around 4ft from the WSW, with a light, cross-offshore wind from the NNE. It’s clean, but the wave energy is pretty weak (136). The period is a short 7 seconds, so it’ll be a bit weak and crumbly. It’s surfable, just don’t expect anything to get you fired up.
The one true standout in this entire 16-day stretch is Friday morning, 18th September. The energy jumps way up (471), with a 5ft swell from the West. That’s a bit too much for beginners, but it could be alright for the intermediates. The swell period is still on the short side at 7 seconds, so it’ll be a bit bumpy. Wind is light and variable from the NNW, with small ripples on the water. It’s the closest we get to a proper session, but don’t set your alarm too early.
Honestly, for most of this run, the wind is howling onshore or cross-onshore, particularly in the first week with gusts of 25 mph westerlies. That’s going to chop everything to bits. There’s a long period swell (13 sec) that shows up on Monday the 7th, but it’s completely ruined by a strong onshore wind. That kind of energy (903) would be magic at a point break, but here it’s just a messy, blown-out nightmare.
So, if you’re absolutely desperate, keep your eye on that Friday the 18th. Otherwise, find something else to do for a couple weeks. The water’s about average for this time of year.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Fri morning. Warm (max 24°C on Sun afternoon, min 13°C on Fri night). Winds decreasing (fresh winds from the W on Fri morning, calm by Sat night). | Days 4-6 Weather SummaryLight rain (total 9mm), mostly falling on Wed night. Very mild (max 17°C on Mon morning, min 13°C on Tue night). Mainly strong winds. | ||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | |||||||||||||||
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 | W 8 | WSW 7 | WSW 7 | WSW 8 | WSW 9 | WSW 6 | WSW 6 | WSW 8 | WSW 13 | WSW 13 | WSW 8 | WSW 10 | WSW 6 | W 7 | W 7 | W 6 | W 6 | WSW 7 | WSW 8 | WSW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 414 | 333 | 181 | 82 | 35 | 66 | 13 | 32 | 66 | 746 | 903 | 335 | 294 | 148 | 192 | 134 | 97 | 59 | 140 | 196 | 256 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | cross-off | cross-off | glassy | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | cross-on |
High Tide | 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 | 6:29AM8.41m | 6:48PM8.96m | ||||||||
Low Tide | 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 | 12:39PM0.72m | 1:04AM0.34m | ||||||||
 |  |  |  | |  | |  | | | |  | |  |  | | |  | | | | |
 | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — |
 | — | 7:54 | — | — | 7:52 | — | — | 7:51 | — | — | 7:49 | — | — | 7:45 | — | — | 7:44 | — | — | 7:42 | — |
mm | 2 | — | — | — | — | — | — | — | — | — | — | 2 | — | 1 | — | — | — | 6 | 2 | — | — |
Temp °C | 17 | 17 | 16 | 15 | 16 | 16 | 23 | 24 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 16 | 16 | 16 | 19 | 18 | 18 |
Feels °C | 12 | 11 | 11 | 13 | 15 | 16 | 20 | 23 | 17 | 13 | 11 | 9 | 9 | 8 | 9 | 11 | 11 | 11 | 17 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | — | W 15 | SW 15 | WSW 7 | WSW 8 | WSW 9 | WSW 6 | WSW 6 | WSW 17 | — | — | W 8 | — | — | — | — | — | W 6 | WSW 7 | — | WSW 8 |
| kJ | — | 4 | 8 | 82 | 35 | 66 | 13 | 32 | 29 | — | — | 282 | — | — | — | — | — | 57 | 140 | — | 256 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 9 | W 14 | — | WSW 9 | — | WSW 17 | — | — | WSW 11 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 2 | 4 | — | 8 | — | 28 | — | — | 130 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 8 | W 8 | WSW 7 | — | W 6 | — | — | — | WSW 8 | WSW 13 | WSW 13 | WSW 8 | WSW 10 | WSW 6 | W 7 | W 7 | W 6 | WSW 6 | SSW 3 | WSW 8 | — |
| kJ | 414 | 333 | 181 | — | 26 | — | — | — | 66 | 746 | 903 | 335 | 294 | 148 | 192 | 134 | 97 | 59 | 3 | 196 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 99 | 311 | 70 | 21 | 115 | 0 | 51 | 188 | 91 | 71 | 137 | 71 | 595 | 312 | 311 | 362 | 310 | 356 | 137 | 137 | 356 |
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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