The Boiler surfForecast / Cape Town / South Africa

information circle16 Day Weather and Surf, issued 1 am Sunday 10 May 2026 SAST
Forecast update in hr  min  s Forecast update imminent
The Boiler surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Boiler sea temperature is
17.5° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for The Boiler this week:

The surf forecast for The Boiler over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (May 11) at 11AM. The primary swell is predicted to be 8.0m and 12s period. The wind is predicted to be onshore as the swell arrives.

The most powerful waves expected at The Boiler in the next 16 days are 8.5m 13s and forecast to arrive on Monday (May 11) at 2PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 12s period and expected on Saturday (May 16) at 8PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Mon 11th May)26ft (8.0m) 12s
Best Surf11AM (Mon 11th May)26ft (8.0m) 12s
Most Powerful 2PM (Mon 11th May)28ft (8.5m) 13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 60mm), heaviest during Mon morning. Very mild (max 18°C on Mon afternoon, min 13°C on Sun morning). Winds decreasing (severe gales from the NNW on Mon morning, moderate winds from the WNW by Tue morning).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 17°C on Fri morning, min 14°C on Wed night). Wind will be generally light.

Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
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
3
4
4
4
4
4
5
3
4
4
2
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
WSW
13
4.5
WSW
9
5
WSW
12
8
W
12
7.5
W
13
6
WSW
13
3.5
W
12
3.5
W
12
3
SSW
12
3
SSW
12
3.5
SSW
12
2.5
SSW
12
2.2
SSW
11
1.6
WSW
13
2.2
S
14
2.5
S
14
2.5
S
14
2.5
S
13
2.3
S
13
2.5
S
12
1.2
WSW
13
Wave Graph
Metric surfscale
Energy kJ
1108
3488
7177
17942
20204
11707
3983
3204
2296
2767
3146
1871
1081
816
1922
2487
2558
2340
1753
1871
491
Wind (km/h)
35
WNW
60
WSW
40
WNW
70
WNW
55
WNW
45
NW
35
W
25
W
30
W
20
WSW
15
W
5
SSW
10
SE
10
S
0
WNW
10
WSW
20
SSW
15
S
20
SSE
30
SSE
40
SE
on
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
glassy
off
cross-off
glassy
cross-on
cross
cross-off
cross-off
cross-off
cross-off
High Tide
9:36AM1.01m
10:24PM1.16m
10:56AM1.07m
11:22PM1.27m
11:55AM1.17m
00:10AM1.39m
12:45PM1.29m
00:55AM1.50m
1:30PM1.39m
1:39AM1.59m
2:14PM1.47m
2:23AM1.65m
2:57PM1.52m
3:08AM1.66m
Low Tide
3:47PM0.54m
4:54AM0.52m
4:58PM0.48m
5:51AM0.39m
5:54PM0.40m
6:38AM0.25m
6:43PM0.30m
7:22AM0.12m
7:28PM0.22m
8:04AM0.02m
8:13PM0.15m
8:47AM-0.03m
8:58PM0.10m
rain showers
mod rain
light rain
heavy rain
mod rain
mod rain
mod rain
rain showers
rain showers
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:28
7:28
7:28
7:30
7:31
7:31
7:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:57
5:55
5:55
5:54
5:53
5:52
5:52
3
7
5
17
6
10
9
2
1
Temp °C
15
13
15
17
18
18
17
17
17
16
16
15
14
15
16
17
17
16
17
18
18
6
1
4
5
7
11
15
13
13
10
13
13
13
13
16
17
15
13
14
14
13
Swell 1
Height (m)
Direction
Period (s)
1.9
WSW
13
0.7
SE
11
0.4
SE
11
0.5
S
9
0.4
SE
12
4.5
WSW
13
3.5
W
12
2.5
SSW
12
3
SSW
12
3
SSW
12
3.5
SSW
12
2.5
SSW
12
2.2
SSW
11
1.8
SSW
11
2.2
S
14
2.5
S
14
2.5
S
14
2.5
S
13
2.3
S
13
1.6
WSW
13
1.2
WSW
13
Energy kJ
1108
123
42
43
39
7307
3983
2200
2108
2767
3146
1871
1081
743
1922
2487
2558
2340
1753
824
491
Swell 2
Height (m)
Direction
Period (s)
0.8
SE
12
0.1
SW
22
0.2
SSE
14
0.3
SE
13
0.3
SE
10
3
SW
13
1.5
NNW
9
2.5
W
12
2.1
W
12
1.8
WSW
11
1.6
WSW
11
1.6
WSW
13
1.3
WSW
12
1.6
SW
11
1.5
WSW
10
2
WSW
14
1.9
WSW
13
0.1
W
13
Energy kJ
190
18
20
26
16
3049
362
1644
1167
807
637
816
482
568
466
1601
1283
3
Swell 3
Height (m)
Direction
Period (s)
1.8
NW
9
0.1
SW
20
0.4
SW
18
0.6
S
14
0.9
WSW
16
1.2
WSW
16
1.4
WSW
15
0.1
W
13
Energy kJ
493
15
81
131
427
697
953
3
Wind waves
Height (m)
Direction
Period (s)
2.5
W
8
4.5
WSW
9
5
WSW
12
8
W
12
7.5
W
13
6
WSW
13
3.5
W
12
3
W
12
2.5
S
12
2.5
SSE
7
Energy kJ
828
3488
7177
17942
20204
11707
3204
2296
1871
672
Nearest Offshore or Glassy
Rating
(10 max)
3
4
5
4
3
5
6
4
4
4
4
4
4
4
4
4
4
4
4
4
3
Distance (km)
391
390
972
901
1020
351
351
11
12
14
11
0
0
0
0
2
2
2
2
52
79
Best forecast wave conditions in Cape Town
Rating
(10 max)
4
4
4
4
4
4
4
4
4
5
5
4
Best forecast wave conditions in South Africa
Rating
(10 max)
4
4
2
4
3
6
9
5
5
4
4
5
4
4
5
5
5
5
7
4
4
Header Global
Rating
(10 max)
4
4
9
6
5
6
9
6
9
9
9
8
5
5
5
5
7
6
7
4
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.

Are you planning a holiday in Cape Town? If you are looking for accommodation near The Boiler, camping, hotels and holiday cottages in Cape Town, consider staying in Cape Town which is 27 km (17 miles) away. Other places in and around Cape Town where you can find information about places to rent, and car hire include Robben Island which is 38 km (24 miles) away, Bellville, Stellenbosch and Kayamnandi.

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