Surf Forecasts:
Rest Bay surf forecast from 2 Sep 2026:
- Best quality surf: Saturday 5 Sep, 7PM (local time) - 2ft (0.6m), 10s period, WSW swell with glassy winds.
- Most powerful swell: Monday 7 Sep, 4PM (local time) - 6ft (1.8m), 12s period, WSW swell with 892 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 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 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 Rest Bay in the next 16 days are 1.8m 12s and forecast to arrive on Monday (Sep 07) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Sunday (Sep 06) at 10AM.
| 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 | 4PM (Mon 7th Sep) | 6ft (1.8m) 12s |
Table - best surf conditions forecast for Rest Bay over the next 16 days.
The Lowdown
Right then, let’s have a look at what’s in store for the next couple of weeks here at Rest Bay. It’s a bit of a mixed bag, to be honest, and there’s a lean patch we’ve got to get through first.
We start off on Wednesday the 2nd of September, but don’t get your hopes up for a paddle. It’s poor conditions with light rain and a cross-shore wind. The swell is a tiny 3ft from the WSW, with a weak energy reading (39). The water is sitting at 68°F, which is a whopping 7°F warmer than normal for this time of year—proper unusual, that is. The wind is set to swing onshore, and the next few days are a write-off with strong onshores and choppy, lumpy seas. We’ve got a long stretch of “poor surf conditions” until we get to the end of the first week.
The first real glimmer of hope comes on Saturday the 12th of September. The Saturday morning session is the standout here. It’s not huge, with a 5ft swell from the WSW, but the wind is a light ESE, giving us a clean, cross-offshore breeze. The combined energy is moderate (310), and the setup looks clean. The rest of that day and the next are blown out again by onshore winds, so it’s a short window.
Then, looking further ahead to Wednesday the 16th of September, there’s a bigger swell on the cards. We’re looking at a 7ft to 8ft SW/WSW swell, which is solid but the wind is a fresh cross-onshore, making it a lumpy mess. The energy is strong (903), but it’s not a surfer’s friend with that wind. That’s only for the experienced crew if you’re desperate.
So, the best on offer is that Saturday the 12th of September morning. It’s the only time the stars align for a clean, surfable wave. The rest of the period is either too small, too windy, or both. It’s a frustrating outlook, but it’s the hand we’ve been dealt.
Rusty.
Short Range ForecastLight rain (total 6mm), 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, light winds from the NNW by Fri night). | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Mon afternoon. Warm (max 24°C on Sun afternoon, min 14°C on Sat morning). Winds increasing (calm on Sat afternoon, strong winds from the W by Mon night). | ||||||||||||||||||||
Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | |||||||||||||||
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 6 | WSW 7 | WSW 7 | WSW 8 | WSW 8 | WSW 6 | WSW 8 | WSW 8 | WSW 8 | WSW 6 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 5 | WSW 7 | WSW 12 | WSW 9 | WSW 9 | WSW 7 | W 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 39 | 216 | 236 | 176 | 191 | 266 | 359 | 310 | 143 | 33 | 62 | 47 | 26 | 24 | 27 | 173 | 892 | 554 | 484 | 293 | 397 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | glassy | on | on | cross-on | cross-on | on | cross-on |
High Tide | 10:17AM8.41m | 10:38PM8.28m | 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 | ||||||||
Low Tide | 4:10PM0.88m | 4:33AM1.15m | 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 | ||||||||
 |  |  |  | |  | | |  |  | | | | | |  | | | | | | |
 | 6:28 | — | — | 6:28 | — | — | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — | 6:37 | — | — |
 | — | 8:00 | — | — | 7:58 | — | — | 7:54 | — | — | 7:52 | — | — | 7:51 | — | — | 7:49 | — | — | 7:45 | — |
mm | 2 | 1 | — | — | — | 3 | — | — | — | — | — | — | — | — | 1 | — | 2 | 1 | 1 | 2 | — |
Temp °C | 18 | 19 | 18 | 18 | 19 | 20 | 17 | 16 | 16 | 15 | 16 | 16 | 20 | 24 | 18 | 17 | 17 | 16 | 16 | 16 | 15 |
Feels °C | 14 | 15 | 14 | 15 | 16 | 14 | 12 | 9 | 12 | 14 | 15 | 14 | 16 | 19 | 16 | 10 | 10 | 8 | 9 | 8 | 9 |
Swell 1 Height (m) Direction Period (s) | W 16 | — | — | W 15 | — | — | SW 15 | W 15 | WSW 8 | WSW 6 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 10 | — | WSW 10 | — | — | — |
| kJ | 5 | — | — | 4 | — | — | 9 | 4 | 143 | 33 | 62 | 47 | 26 | 24 | 14 | 173 | — | 108 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 14 | WSW 8 | SW 14 | — | — | — | W 5 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 8 | 28 | 7 | — | — | — | 2 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 15 | SW 14 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 5 | 8 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 6 | WSW 7 | WSW 7 | WSW 8 | WSW 8 | WSW 6 | WSW 8 | WSW 8 | — | — | — | — | SE 3 | SSE 4 | WSW 5 | WSW 7 | WSW 12 | WSW 9 | WSW 9 | WSW 7 | W 7 |
| kJ | 39 | 216 | 236 | 176 | 191 | 266 | 359 | 310 | — | — | — | — | 4 | 8 | 27 | 168 | 892 | 554 | 484 | 293 | 397 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 311 | 410 | 152 | 137 | 410 | 298 | 30 | 355 | 70 | 21 | 57 | 2 | 168 | 41 | 51 | 30 | 783 | 362 | 298 | 630 | 584 |
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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