Surf Forecasts:
Rest Bay surf forecast from 23 Jul 2026:
- Most powerful swell: Sunday 26 Jul, 7PM (local time) - 3.5ft (1.1m), 6s period, W swell with 104 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 1.1m 6s and forecast to arrive on Sunday (Jul 26) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7PM (Sun 26th Jul) | 3.5ft (1.1m) 6s |
Table - best surf conditions forecast for Rest Bay over the next 16 days.
The Lowdown
Alright, let’s switch to feet and Fahrenheit for you folks.
First week is a total bust. From Thursday the 23rd through Friday the 31st of July, the surf is flat, bumpy, and blown out. The combined swell energy barely touches 100 (moderate) on the 26th, but with a messy cross-onshore wind and a 6-second period, don’t bother. The water temp at Rest Bay is 68°F, which is much warmer than usual for this time of year.
The first real chance comes on Saturday the 1st of August. Saturday morning we’ve got a 6ft swell from the WSW with a 9-second period, and the energy jumps to 497 (strong). By the afternoon, it’s 8ft from the same direction, with 821 energy (very strong). That’s a big, powerful, long-period groundswell. The wind is light cross-onshore, so it’s not glassy, but it’s surfable. At 8ft, though, this is for experts only. The 9-second period means it’ll have some push, but it’s going to close out fast on the inside.
Sunday the 2nd drops to 4ft from the WSW, with a 9-second period, and energy falls to 249 (moderate). The wind is a gentle cross-shore, which is better for shape, but the size is smaller.
Then it’s back to flat. From Monday the 3rd through Friday the 7th of August, the surf is gone. The one standout is Saturday the 1st of August, particularly the afternoon. If you’re an experienced surfer, that’s your day.
Rusty out.
Short Range ForecastMostly dry. Warm (max 23°C on Thu afternoon, min 15°C on Thu night). Winds increasing (calm on Fri morning, fresh winds from the W by Sat morning). | Days 5-7 Weather SummaryMostly dry. Warm (max 24°C on Tue afternoon, min 13°C on Sun night). Winds decreasing (fresh winds from the WNW on Sun afternoon, calm by Mon night). | |||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | ||||||||||||||
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 | W 8 | W 8 | W 8 | WNW 3 | W 8 | W 4 | W 6 | W 6 | W 6 | WSW 6 | W 7 | W 6 | WSW 6 | WSW 6 | W 5 | W 11 | W 11 | W 4 | W 4 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1 | 1 | 1 | 1 | 2 | 2 | 29 | 57 | 95 | 101 | 64 | 33 | 18 | 11 | 6 | 4 | 2 | 2 | 4 | 5 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-off | glassy | on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | on | cross-on | glassy | cross-on | cross-on | on | cross-on | cross-off |
High Tide | 2:38AM6.21m | 3:16PM6.19m | 3:54AM6.17m | 4:28PM6.34m | 4:59AM6.41m | 5:26PM6.70m | 5:51AM6.79m | 6:13PM7.15m | 6:34AM7.22m | 6:53PM7.62m | 7:12AM7.62m | 7:30PM8.03m | ||||||||
Low Tide | 8:13PM2.85m | 8:48AM2.93m | 9:27PM2.95m | 10:01AM2.92m | 10:39PM2.80m | 11:06AM2.67m | 11:38PM2.46m | 11:59AM2.29m | 00:25AM2.04m | 12:42PM1.86m | 1:06AM1.63m | 1:19PM1.47m | 1:42AM1.27m | |||||||
 |  | | | |  | |  | | |  | | | | | | | | | | |
 | — | — | 5:26 | — | — | 5:26 | — | — | 5:28 | — | — | 5:30 | — | — | 5:31 | — | — | 5:33 | — | — |
 | — | 9:15 | — | — | 9:15 | — | — | 9:14 | — | — | 9:12 | — | — | 9:10 | — | — | 9:08 | — | — | 9:07 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 20 | 19 | 21 | 19 | 18 | 17 | 17 | 19 | 20 | 17 | 15 | 17 | 16 | 23 | 24 | 21 | 21 | 23 | 21 |
Feels °C | 20 | 18 | 17 | 18 | 16 | 14 | 11 | 15 | 13 | 14 | 14 | 13 | 14 | 14 | 21 | 21 | 19 | 18 | 21 | 20 |
Swell 1 Height (m) Direction Period (s) | W 9 | WNW 3 | W 8 | W 8 | WNW 3 | W 8 | — | W 6 | — | — | WSW 6 | W 7 | W 6 | WSW 6 | WSW 6 | W 5 | W 5 | W 5 | W 10 | W 4 |
| kJ | 1 | 1 | 1 | 1 | 2 | 1 | — | 57 | — | — | 64 | 33 | 18 | 11 | 6 | 4 | 2 | 2 | 2 | 5 |
Swell 2 Height (m) Direction Period (s) | — | W 8 | — | — | W 8 | — | — | — | — | — | — | — | — | W 9 | W 8 | W 8 | W 8 | W 11 | W 8 | W 8 |
| kJ | — | 1 | — | — | 1 | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 2 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 11 | W 8 | — | W 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | W 4 | W 4 | WSW 6 | W 6 | W 6 | — | — | WSW 3 | — | — | — | — | — | W 4 | — |
| kJ | — | — | — | — | — | 2 | 29 | 45 | 95 | 101 | — | — | 2 | — | — | — | — | — | 4 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 829 | 356 | 391 | 892 | 457 | 893 | 434 | 453 | 356 | 366 | 21 | 193 | 211 | 92 | 140 | 193 | 140 | 193 | 195 | 195 |
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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