Rest Bay Surf Break

Lat Long: 51.49° N 3.73° W

Rest Bay Surf Forecast and Surf Report

Issued: 12 pm 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Rest Bay sea temperature is
18.9°C
3.1° 

Rest Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Rest Bay surf forecast from 14 Sep 2026:

  • Best quality surf: Friday 18 Sep, 10AM (local time) - 3.5ft (1.0m), 7s period, W swell with glassy winds.
  • Most powerful swell: Wednesday 16 Sep, 10AM (local time) - 4ft (1.2m), 9s period, W swell with 246 kJ wave energy.
  • Next surfable swell (1★+): Friday 18 Sep, 10AM (local time) - 3.5ft (1.0m), 7s period with W 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 (Sep 18) at 10AM. The primary swell is predicted to be 1.0m and 7s period. 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 1.2m 9s and forecast to arrive on Wednesday (Sep 16) at 10AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Fri 18th Sep)3.5ft (1.0m) 7s
Best Surf10AM (Fri 18th Sep)3.5ft (1.0m) 7s
Most Powerful10AM (Wed 16th Sep)4ft (1.2m) 9s

Table - best surf conditions forecast for Rest Bay over the next 16 days.


The Lowdown

Alright, Rusty here. Let's take a good, hard look at what Rest Bay has got cookin' for us.

Right off the bat, I gotta be straight with you. The next week and a half is looking pretty grim for a proper surf. We've got a long stretch of small, wind-affected slop. The first real hope doesn't show up until Friday the 18th of September, and even that's a whisper.

The Overall Pattern
We’re looking at a long, drawn-out period of weak, short-period swell coming mostly from the WSW and W. The wind is going to be a real pain for most of it, blowing onshore or cross-onshore, keeping things lumpy and choppy. The wave energy numbers tell the story – they’re mostly weak to moderate, but they quickly drop into the double digits for the majority of the period. It’s a classic flat spell.

The Good (Sort Of)
There's only one day that even gets a sniff of a score, and that's Friday the 18th of September. The morning session is the only one that registers as "surfable" on the charts. We're looking at a clean, glassy start with a tiny 3ft swell from the W. The energy is weak, just 100, but the wind is glassy. It’ll be a morning for a log or a longboard, just to get wet. By the afternoon, the wind swings back onshore, so don't sleep in.

The Rest of the Period
From the 14th right through to the 29th of September, it's a lot of the same story. Small waves, crappy wind. The water temp is sitting around 66°, which is a whopping 6° warmer than usual for this time of year – that’s very unusual, so you might not need the thickest wetsuit, but you’ll still be waiting for a wave. From the 21st onwards, we see some glassy or clean-offshore mornings, but the swell drops to knee-high or less (1ft to 2ft). There are a few days with longer-period swell (11s, 13s, 14s) in the second week, like on the 29th, which would usually be exciting, but the swell height is so tiny (0.7ft, 1ft) it’s just a ripple. The energy on those days is very weak (2 to 33).

The Verdict
Honestly, the pick of the entire 16-day window is the Friday 18th of September morning session. It's the only time the wind and swell line up to give you anything remotely clean, even if it's small. For everything else, you're better off waxing the kiteboard or waiting for the next real swell. The forecasts can change, but as it stands, it's a tough run for Rest Bay.

Stay patient,
Rusty.

Short Range Forecast

Light rain (total 6mm), mostly falling on Mon night. Very mild (max 19°C on Mon night, min 13°C on Tue night). Winds increasing (light winds from the WSW on Mon afternoon, fresh winds from the WSW by Wed night).

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Thu morning. Very mild (max 17°C on Fri night, min 12°C on Thu night). Winds decreasing (fresh winds from the W on Thu afternoon, calm by Fri morning).

Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
WSW
9
0.9
WSW
9
0.9
WSW
6
1.4
W
7
1.4
W
7
1.1
W
7
1.2
W
9
0.6
WSW
10
0.5
W
10
1.3
WSW
6
1.2
W
7
1.1
W
7
1
W
7
0.9
WSW
7
1.2
WSW
6
1.2
WSW
6
1.3
WSW
6
0.9
WSW
6
0.7
WSW
6
0.7
WSW
6
0.6
WSW
7
Wave Graph
Metric surfscale
Energy kJ
113
137
51
181
181
104
246
80
52
139
134
127
100
82
94
110
121
72
43
43
37
Wind (km/h)
25
WSW
25
WSW
25
WSW
30
W
35
W
20
NW
25
NW
30
WNW
30
W
25
WNW
30
W
25
NW
5
NW
30
WSW
30
WSW
30
WSW
25
WSW
15
WSW
15
WSW
15
WSW
5
NW
Wind State
on
on
on
cross-on
cross-on
cross-on
cross
cross-on
on
cross-on
cross-on
cross-on
glassy
on
on
on
on
on
on
on
cross
High Tide
9:16PM8.90m
9:32AM8.57m
9:49PM8.36m
10:05AM8.05m
10:23PM7.72m
10:39AM7.43m
10:59PM7.03m
11:18AM6.78m
11:43PM6.35m
12:10PM6.16m
00:48AM5.78m
1:33PM5.74m
2:32AM5.58m
Low Tide
2:58PM0.36m
3:16AM0.58m
3:30PM0.76m
3:47AM1.08m
4:03PM1.29m
4:19AM1.68m
4:39PM1.92m
4:56AM2.31m
5:21PM2.57m
5:44AM2.93m
6:24PM3.16m
7:03AM3.41m
8:09PM3.44m
rain showers
clear
light rain
clear
clear
clear
part cloud
part cloud
light rain
light rain
part cloud
clear
clear
cloud
rain showers
cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:47
6:48
6:50
6:50
6:52
6:54
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:32
7:30
7:28
7:25
7:22
7:21
7:19
 mm
1
3
2
1
1
Temp °C
18
18
19
16
16
16
15
16
16
16
16
14
16
16
17
17
17
17
17
18
17
Feels °C
16
15
17
11
10
13
10
10
10
12
10
10
12
11
14
14
14
16
17
17
17
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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