The Boiler surfForecast / Cape Town / South Africa

information circle16 Day Weather and Surf, issued 7 am Wednesday 25 Mar 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
14.6° C
(Which is 4.7°C colder than average 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 Thursday (Mar 26) at 11PM. The primary swell is predicted to be 1.7m and 10s period with a secondary swell of 0.1m and 15s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at The Boiler in the next 16 days are 3.0m 11s and forecast to arrive on Saturday (Mar 28) 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 1.5m 5s period and expected on Monday (Mar 30) at 11PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Thu 26th Mar)5.5ft (1.7m) 10s
Best Surf11PM (Sat 28th Mar)7.5ft (2.3m) 11s
Most Powerful 2PM (Sat 28th Mar)10ft (3.0m) 11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 20°C on Wed afternoon, min 17°C on Thu morning). Winds decreasing (fresh winds from the N on Wed morning, calm by Thu night).

Days 3-6 Weather Summary Mostly dry. Very mild (max 18°C on Sat morning, min 17°C on Sat night). Wind will be generally light.

Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
1
2
2
3
0
0
1
2
3
4
4
3
2
2
1
1
1
2
1
Swell
Height Map
Wave Height (m) & direction (?)
1.5
SSW
1.3
SSW
1.1
SSW
1.6
SW
1.9
SW
1.6
SW
1.2
SW
1.3
WSW
2
WSW
3
WSW
3
WSW
2.1
SW
1.1
SW
1.5
WSW
1.1
SW
0.9
SW
1
S
0.7
SW
0.6
SW
0.9
SW
1.2
SW
Period(s) (?)12111110101099911111113131212911141615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)585435291527665441220244576193318651009431760325217171119167406614
Wind
(km/h)
30
N
15
WNW
10
NNW
10
NW
10
WSW
5
ESE
15
NNW
25
NNW
20
WNW
15
WNW
15
W
10
S
10
SSE
20
S
15
SSE
10
S
20
S
20
SSE
15
SSE
20
SSE
30
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
oncross-
on
cross-
on
cross-
on
glasscross-
on
cross-
on
onononcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
8:35PM
1.06
9:22AM
1.07
10:41PM
1.07
11:23AM
1.09
12:11AM
1.19
12:38PM
1.19
1:05AM
1.33
1:26PM
1.30
1:45AM
1.45
2:05PM
1.39
2:18AM
1.54
2:38PM
1.45
2:49AM
1.60
Low Tide
/ height (m)
2:06PM
0.48
2:52AM
0.58
4:07PM
0.54
5:12AM
0.56
5:51PM
0.47
6:35AM
0.43
6:52PM
0.36
7:25AM
0.30
7:35PM
0.25
8:04AM
0.18
8:10PM
0.18
8:37AM
0.10
8:42PM
0.13
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Sunrise6:52--6:54--6:54--6:54--6:56--6:56--6:56--
Sunset-6:51--6:50--6:49--6:46--6:45--6:45--6:43-
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C192019181919181919181818181818181817181918
Feels °C (?)151918171920181617151617171516161514161715
  • 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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