Rest Bay surf break

Rest Bay surfForecast / Wales – South East / UK

information circle48hr Weather and Surf, issued 12 pm Wednesday 17 Sep 2025 BST
Forecast update in hr  min  s Forecast update imminent
Rest Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rest Bay sea temperature is
17.6° C
(Which is 1.9°C warmer than normal for this time of year)


How big are the waves at Rest Bay today?

The current surf forecast for Rest Bay at 6PM is: 2.3m 10s primary swell from a West-southwest direction (forecast issued at 12:00pm September 17). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (17 Sep)7ft (2.2m)8s
Afternoon (17 Sep)8ft (2.5m)9s
Evening (17 Sep)7ft (2.1m)11s

Table - waves today at Rest Bay. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Wednesday
17
Thursday
18
Friday
19
Saturday
20
10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
1
1
Swell
Height Map
Wave Height (m) & direction (?)
2.4
WSW
2.5
WSW
2.5
WSW
2.2
WSW
1.9
WSW
1.9
WSW
1.8
WSW
1.9
WSW
1.8
WSW
1.8
WSW
1.7
WSW
1.6
WSW
1.5
WSW
1.4
WSW
1.4
WSW
1.4
WSW
1.4
WSW
1.3
WSW
1.2
WSW
1.1
WSW
1.1
WSW
1
WSW
1
WSW
0.9
WSW
Period(s) (?)8910101212121212121111101099910101010999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)8061060109396110129979191045920889686550471363340340348305264226205164161133
Wind
(km/h)
45
SW
45
SW
40
WSW
35
WSW
25
WSW
25
SW
30
SW
35
SW
30
SW
30
SW
30
WSW
25
SW
20
SSW
20
SSW
15
SSW
15
S
15
S
10
S
5
SSW
10
W
5
SW
5
SW
0
S
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
ononononononcross-
on
cross-
on
onononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crossglasscross-
on
oncross-
on
glasscross-
off
High Tide
/ height (m)
3:58PM
6.66
4:38AM
6.73
5:05PM
7.24
5:34AM
7.31
5:54PM
7.84
6:17AM
7.86
Low Tide
/ height (m)
9:44AM
2.83
10:33PM
2.42
11:00AM
2.32
11:33PM
1.86
11:50AM
1.74
12:16AM
1.32
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunrise-------6:52-------6:54-------6:56
Sunset---7:25-------7:22-------7:21----
light rain
light rain
light rain
light rain
cloud
light rain
light rain
rain showers
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
Rain (mm)
1211-121----------------
Temp. °C171717171717171718201919171717161719201816161515
Feels °C (?)101112131415131214161516151516151619211816161614
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for Wales - South East

  1. weather stationWind Update Wind reports 23 km away suggest it is still onshore at Rest Bay (moderate winds from the WSW at St Athan). A 2.0m swell from the WSW

    Rest Bay
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23 km away, 1 h 4 min ago

26 km/h
WSW
0.0
17.6
Air / Water (°C)
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