The Boiler Surf Break

Lat Long: 51.56° N 4.02° W

The Boiler 48 hour detailed Surf Forecast

Issued: 6 am 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's The Boiler sea temperature is
19.0°C
3.2° 

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


How big are the waves at The Boiler today (12 Sep):

  • Morning surf: Morning surf (12 Sep, local time) - 4.5ft (1.4m), 6s period with WSW swell.
  • Afternoon surf: Afternoon surf (12 Sep, local time) - 6ft (1.8m), 7s period with WSW swell.
  • Evening surf: Evening surf (12 Sep, local time) - 5.5ft (1.7m), 8s period with W swell.

The current surf forecast for The Boiler at 2PM is: 1.7m 6s primary swell from a West-southwest direction (forecast issued at 06:00am September 12). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (12 Sep)4.5ft (1.4m)6s
Afternoon (12 Sep)6ft (1.8m)7s
Evening (12 Sep)5.5ft (1.7m)8s

Table - waves today at The Boiler. (Swell directed towards the surf break)


Short Range Forecast

Heavy rain (total 23mm), heaviest during Sat night. Very mild (max 19°C on Mon afternoon, min 16°C on Sat morning). Winds decreasing (fresh winds from the SW on Sat afternoon, light winds from the WSW by Sun night).

Saturday
12
Sunday
13
Monday
14
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
WSW
8
1.1
WSW
8
1.4
WSW
6
1.7
WSW
6
1.8
WSW
7
1.7
W
8
1.9
WSW
8
1.7
WSW
8
1.4
W
8
1.2
WSW
7
1.3
WSW
7
1.2
WSW
10
1
WSW
10
1
WSW
10
0.9
WSW
10
0.9
WSW
9
0.8
WSW
9
1
WSW
9
1.1
WSW
9
0.9
WSW
6
1
WSW
6
0.9
WSW
8
0.9
WSW
6
Wave Graph
Metric surfscale
Energy kJ
70
161
126
237
316
390
397
310
228
135
154
253
201
197
163
153
94
154
180
59
82
99
53
Wind (km/h)
20
SW
30
SW
35
SW
35
SW
40
SW
35
SW
30
WSW
25
WSW
15
WSW
10
W
10
W
15
WSW
20
WSW
15
WSW
5
WSW
15
WSW
15
SW
20
SW
15
SW
25
SW
20
SW
20
SW
20
SW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
7:58AM9.68m
8:13PM9.85m
8:32AM9.62m
8:46PM9.69m
9:03AM9.43m
9:17PM9.39m
Low Tide
1:50AM0.87m
1:58PM0.91m
2:22AM0.93m
2:30PM0.99m
2:51AM1.13m
2:58PM1.20m
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
heavy rain
light rain
part cloud
clear
part cloud
clear
part cloud
clear
cloud
light rain
cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:45
6:46
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:37
7:36
7:34
 mm
1
3
12
3
1
Temp °C
14
16
16
17
17
17
17
18
17
17
17
18
18
17
17
17
18
18
18
18
19
18
18
Feels °C
10
11
11
12
11
13
14
16
17
17
17
17
16
16
18
17
18
17
18
16
17
16
16
  • 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
How to use the Wavefinder 

Eyeball surf reportRecent Eyeball Surf Reports for Wales - Gower

  1. West Coast Surf: ‘Porth Neigwl: Choppy waves hadn't tidied much (from what I could see in the dark.’

    Hells Mouth (Porth Neigwl), 145 km away
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