The Boiler Surf Break

The Boiler Surf Forecast and Surf Report

Lat Long: 51.56° N 4.02° W

Issued: 12 am 06 Jul 2026 (local time)

Forecast update in  hr  min

Today's The Boiler sea temperature is
19.7° C

5.0°C warmer than normal for this time of year

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


The Boiler surf forecast from 6 Jul 2026:

  • Most powerful swell: Friday 10 Jul, 1PM (local time) - 1.5ft (0.5m), 9s period, W swell with 40 kJ wave energy.

Best Forecast Surf Conditions for The Boiler this week:

The most powerful waves expected at The Boiler in the next 16 days are 0.5m 9s and forecast to arrive on Friday (Jul 10) at 1PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Sunday (Jul 12) at 10PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 1PM (Fri 10th Jul)1.5ft (0.5m) 9s

Table - best surf conditions forecast for The Boiler over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Alright crew, Rusty back at it. Gotta level with you – The Boiler is quiet for a long stretch. Most of what we see is small, weak stuff that just doesn’t have any grunt. Even when there’s a little bump, the wind messes it up or the period’s too short. You’re looking at a real dry spell before anything worthwhile shows up.

The first real movement comes on Saturday, July 18th. Up until then, it’s all knee-high or smaller – waves under 3 ft, and the energy is peanuts (under 100). A couple mornings on the 14th and 15th are dead glassy, but that’s not gonna help when the wave height is only 1 ft from the WSW. You’ll be floating more than riding.

Alright, Saturday the 18th morning – finally something. A 4 ft swell from the W with a moderate cross-offshore breeze keeps the face reasonably clean. The combined energy hits 116 (moderate). It’s not a classic swell, but it’s the first time the numbers add up for a proper session. That morning window is your best bet in this whole run.

Sunday the 19th keeps climbing – waves around 5 ft from the WNW with cross-offshore winds keeping it smooth. The energy jumps to 208–210. That’s a solid moderate punch. If you’re an expert, this is gonna be the biggest, most powerful stuff of the forecast. Just know that 5 ft on a reef can be a handful – it’s not for beginners.

Then Tuesday, July 21st morning, we get a 5 ft WSW groundswell with offshore wind and a combined energy of 375 (strong). That’s the biggest power reading of the entire outlook. Clean offshore wind right on it – that’s the real expert window.

Crowds can pop up here sometimes, and The Boiler is an inconsistent spot, so when it turns on it gets attention. The mornings of the 19th and 21st are your best chances for clean, solid surf. Don’t sleep on them.

First week – forget it. Second half, starting the 18th, there’s a few mornings worth getting excited about. Nothing epic, but for this stretch, that’s the cream of the crop.

- Rusty

Short Range Forecast

Mostly dry. Warm (max 23°C on Wed afternoon, min 14°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 33°C on Sat afternoon, min 19°C on Wed night). Wind will be generally light.

Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
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
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
Wave
Height (m)
Direction
Period (s)
0.3
W
9
0.6
W
5
0.3
WSW
8
0.3
WSW
9
0.3
WSW
9
0.3
WSW
8
0.3
WSW
8
0.3
W
8
0.3
W
10
0.3
W
10
0.3
W
9
0.3
W
9
0.4
WSW
9
0.5
W
9
0.4
WSW
8
0.9
E
4
0.3
WSW
8
0.7
E
4
0.2
W
8
0.6
E
4
0.1
W
8
Wave Graph
Metric surfscale
Energy kJ
13
19
14
15
15
13
14
13
17
16
15
15
27
39
22
24
13
12
4
9
1
Wind (km/h)
15
WSW
20
WSW
5
WSW
10
W
20
WSW
10
NW
5
SSE
15
W
5
NNW
5
SE
10
NW
10
NNE
15
ESE
10
SE
10
NE
10
E
10
ESE
25
E
30
E
20
ENE
30
ENE
Wind State
cross-on
cross-on
cross
cross
cross-on
cross-off
cross-on
cross
cross-off
glassy
cross-off
cross-off
cross
cross-on
cross-off
cross
cross-on
cross
cross
cross-off
cross-off
High Tide
10:56AM8.20m
11:19PM8.35m
11:39AM7.99m
00:06AM8.12m
12:30PM7.78m
1:04AM7.90m
1:35PM7.64m
2:14AM7.80m
2:51PM7.69m
3:31AM7.90m
4:08PM8.00m
4:45AM8.22m
5:17PM8.49m
Low Tide
4:42AM2.03m
4:52PM2.26m
5:24AM2.22m
5:38PM2.47m
6:13AM2.43m
6:34PM2.68m
7:14AM2.62m
7:46PM2.80m
8:27AM2.68m
9:05PM2.71m
9:43AM2.51m
10:21PM2.39m
10:54AM2.17m
11:29PM1.95m
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
cloud
clear
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:07
5:07
5:09
5:09
5:11
5:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:34
9:34
9:32
9:31
9:31
9:30
9:30
 mm
Temp °C
17
18
16
20
21
21
22
23
22
23
28
26
29
31
28
29
33
28
28
32
24
Feels °C
15
16
15
18
18
21
23
22
22
25
27
25
27
30
28
29
32
28
24
28
17
Swell 1
Height (m)
Direction
Period (s)
0.3
W
9
0.3
W
8
0.4
WSW
4
0.4
W
5
0.3
WSW
9
0.3
WSW
8
0.3
WSW
8
0.3
W
8
0.3
W
10
0.3
W
10
0.3
W
9
0.3
W
9
0.4
WSW
9
0.5
W
9
0.4
WSW
8
0.4
WSW
8
0.3
WSW
8
0.3
WSW
8
0.2
W
8
0.1
W
8
0.1
W
8
Energy kJ
13
12
7
7
15
13
14
13
17
16
15
15
27
39
22
22
13
11
4
1
1
Swell 2
Height (m)
Direction
Period (s)
0.3
WSW
8
0.3
WSW
9
0.1
W
11
0.2
W
4
0.3
NW
4
0.1
NW
4
Energy kJ
14
15
2
1
2
1
Swell 3
Height (m)
Direction
Period (s)
0.1
W
10
0.1
W
13
Energy kJ
2
3
Wind waves
Height (m)
Direction
Period (s)
0.5
W
5
0.6
W
5
0.4
WSW
4
0.5
E
3
0.5
E
3
0.8
E
4
0.9
E
4
0.6
E
4
0.7
E
4
0.7
E
4
0.6
E
4
0.8
ENE
4
Energy kJ
13
19
7
5
6
17
24
9
12
12
9
20
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
182
182
182
190
205
85
71
190
51
71
188
51
14
45
51
6
188
112
412
140
288
Best forecast wave conditions in Wales - Gower
Rating
(10 max)
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
1
1
2
2
2
1
1
2
1
2
1
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
7
8
7
5
5
9
6
9
9
5
6
5
4
5
5
4
5
4
4
5
5
  • 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 The Boiler Surf forecast

The above surf forecast table for The Boiler provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Boiler can be found by selecting the local surf guide option on the grey menu. Our The Boiler 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 (The Boiler) 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 The Boiler 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.

The Boiler is 9 km (6 miles) from Swansea. If you plan a holiday in Wales - Gower, look for hotels and other accommodation in Swansea. Swansea has rooms for a wide range of budgets as well as car hire and transport links.

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