Surf Forecast Surf Report

Extensions surfForecast / Cape Town / South Africa

information circle12 Day Weather and Surf, issued 7 pm Tuesday 01 Apr 2025 SAST
Forecast update in hr  min  s Forecast update imminent
Extensions surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Extensions sea temperature is
15.3° C
(Which is 3.7°C colder than average for this time of year)


Best Forecast Surf Conditions for Extensions this week:

The surf forecast for Extensions over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Apr 02) at 2AM. The primary swell is predicted to be 2.5m and 12s period with a secondary swell of 0.1m and 13s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Extensions in the next 12 days are 2.5m 18s and forecast to arrive on Saturday (Apr 05) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 8s period and expected on Saturday (Apr 05) at 8PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Wed 2nd Apr)8ft (2.5m) 12s
Best Surf 2AM (Mon 7th Apr)6ft (1.8m) 14s
Most Powerful 5PM (Sat 5th Apr)8ft (2.5m) 18s

Table - best surf conditions forecast for Extensions over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sun
13
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.5
SW
2.1
SW
1.6
SW
1.8
SSW
1.7
SSW
1.5
SSW
1.2
SSW
1.1
SSW
1.1
SSW
1.1
SSW
1
SSW
2.5
SSW
2.5
SSW
2.3
SSW
2.2
SW
1.8
SW
1.6
SW
1.4
SW
1.1
SW
1
SSW
1.8
SW
1.4
SSW
2.2
SSW
3
SSW
2.4
SSW
2.3
SSW
2.5
SSW
3.5
SSW
3
SSW
2.5
SSW
2.3
SSW
2.3
SSW
2.1
SSW
1.9
SSW
2.5
SSW
3
SSW
Period(s) (?)121212131212111111122018161515141313121615171515141313121212131313121314
Wave
Graph
(?)Metric surfscale
Energy (?)200812237471025838633353291275347807385832372432195612858676233985591417110821263319222218482117331525661928176517031420113421703213
Wind
(km/h)
45
SE
45
SE
55
SE
50
ESE
30
ESE
55
SE
45
ESE
30
ESE
50
SE
45
ESE
45
SE
55
SE
45
ESE
30
ESE
45
SE
15
SE
0
WNW
10
SSW
10
WNW
15
S
40
SSE
35
SE
35
SE
35
SE
40
SE
40
SE
40
SSE
35
SE
15
SSE
20
SW
20
S
30
SE
40
SE
45
ESE
30
ESE
35
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
glasscrossoncross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
5:39AM
1.53
6:08PM
1.34
6:26AM
1.35
7:01PM
1.19
7:26AM
1.16
8:20PM
1.07
9:05AM
1.02
10:25PM
1.04
11:13AM
1.02
12:01AM
1.13
12:29PM
1.11
12:53AM
1.25
1:14PM
1.20
1:30AM
1.35
1:48PM
1.29
1:59AM
1.43
2:17PM
1.35
2:26AM
1.50
2:45PM
1.41
2:52AM
1.54
3:11PM
1.44
3:18AM
1.55
3:38PM
1.44
Low Tide
/ height (m)
11:26PM
0.15
11:58AM
0.16
12:11AM
0.30
12:47PM
0.33
1:08AM
0.46
1:53PM
0.49
2:43AM
0.59
3:47PM
0.58
5:05AM
0.60
5:39PM
0.53
6:28AM
0.49
6:40PM
0.44
7:15AM
0.38
7:20PM
0.35
7:49AM
0.29
7:52PM
0.28
8:18AM
0.21
8:20PM
0.23
8:44AM
0.14
8:47PM
0.19
9:09AM
0.11
9:13PM
0.18
9:34AM
0.10
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sun
13
Sunrise-6:58--6:58--7:00--7:01--7:01--7:01--7:03--7:03--7:03--7:05--7:05--7:07-
Sunset--6:39--6:38--6:37--6:36--6:35--6:32--6:31--6:30--6:29--6:28--6:27--6:24
clearclearclearclearclearclearclearclearclearclearcloudpart cloudclearpart cloudpart cloudclearclearclearrain showerslight rainlight rainpart cloudclearclearclearclearclearpart cloudclearpart cloudrain showersclearclearclearclearclear
Rain (mm)
------------------131---------1-----
Temp. °C181716171822192021202020192021202019191919191716161616161617181717161518
Feels °C (?)149771316111617141513111617142116211915151110988712151411107913

Short Range Forecast: Mostly dry. Warm (max 22°C on Thu afternoon, min 15°C on Wed night). Winds increasing (moderate winds from the SSE on Tue night, near gales from the SE by Wed night).

Days 3-6 Weather Summary Mostly dry. Warm (max 21°C on Sun afternoon, min 18°C on Sat night). Winds decreasing (near gales from the SE on Sat afternoon, calm by Mon morning).

Days 6-9 Weather Summary Light rain (total 5mm), mostly falling on Tue morning. Very mild (max 19°C on Mon night, min 16°C on Wed morning). Winds increasing (calm on Mon night, strong winds from the SSE by Thu afternoon).

Long Range Forecast: Some drizzle, heaviest during Fri night. Very mild (max 18°C on Fri night, min 15°C on Thu night). Winds decreasing (strong winds from the SE on Thu night, light winds from the S by Fri afternoon).

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
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Information about the Extensions Surf forecast

The above surf forecast table for Extensions provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Extensions can be found by selecting the local surf guide option on the grey menu. Our Extensions 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 (Extensions) 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 Extensions 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 Extensions, camping, hotels and holiday cottages in Cape Town, consider staying in Cape Town which is 45 km (28 miles) away. Other places in and around Cape Town where you can find information about places to rent, and car hire include Bellville which is 51 km (32 miles) away, Grabouw, Stellenbosch and Kayamnandi.

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