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Surf Forecasts:

Dias Beach surfForecast / Cape Town / South Africa

information circle12 Day Weather and Surf, issued 7 am Thursday 20 Nov 2025 SAST
Forecast update in hr  min  s Forecast update imminent
Dias Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dias Beach sea temperature is
16.0° C
 (Which is 2.0°C colder than average for this time of year)

Best Forecast Surf Conditions for Dias Beach this week:

The most powerful waves expected at Dias Beach in the next 12 days are 3.0m 15s and forecast to arrive on Thursday (Nov 20) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.1m 12s period and expected on Thursday (Nov 20) at 8PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 8PM (Thu 20th Nov)10ft (3.0m) 15s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Very mild (max 19°C on Thu afternoon, min 17°C on Thu morning). Winds increasing (fresh winds from the SE on Thu morning, near gales from the SE by Sat afternoon).

Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Sun morning, min 17°C on Sun night). Mainly near gales.

Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
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
See all maps
Wave Height (m) & direction (?)
3
SW
3
SW
3
SW
3
SSW
2.4
SW
2.1
SW
1.4
SW
2.5
SSE
1.9
SSE
1.6
SW
1.6
SW
1.7
WSW
2.1
SW
2.1
SW
1.8
SW
1.3
SSW
1.8
SW
2.5
SW
2.5
SW
2.3
SW
1.8
SW
Period(s) (?)16151513131212710121215141413131216141413
Wave
Graph
(?)Metric surfscale
Energy kJ (?)36043231337728911952124959755568464475712881812171210345208953130259819481075
Wind
(km/h)
35
SE
40
SSE
40
SE
50
SSE
50
SE
50
SE
45
SE
60
SE
45
SE
40
SSE
35
SSE
40
SE
45
SE
50
SSE
45
ESE
30
SE
40
SSE
40
SE
40
SSE
60
SE
60
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		crosscross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross
High Tide
/ height (m)
3:05PM
1.44
3:31AM
1.38
3:36PM
1.42
4:03AM
1.36
4:08PM
1.38
4:36AM
1.32
4:40PM
1.32
5:12AM
1.28
5:16PM
1.26
5:52AM
1.23
5:56PM
1.18
6:40AM
1.20
6:48PM
1.12
Low Tide
/ height (m)
9:02AM
0.27
9:23PM
0.16
9:33AM
0.28
9:52PM
0.18
10:04AM
0.31
10:23PM
0.22
10:36AM
0.35
10:56PM
0.27
11:12AM
0.41
11:31PM
0.32
11:54AM
0.47
12:12AM
0.38
12:46PM
0.52
1:03AM
0.44
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Sunrise5:30--5:30--5:28--5:28--5:28--5:28--5:28--
Sunset-7:31--7:32--7:34--7:35--7:36--7:37--7:37-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
Rain (mm)
---------------------
Temp. °C181918181818191919191919181818191818191817
Feels °C (?)13131110101012101013141412111015141213116
  • 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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Feel that? If you are in the northern hemisphere, you will have had that first bite of winter. The lick of a frost, the chill of a cold offshore breeze and the sound of winter swells pounding the shores. If you are near the mountains, your favourite jackets, gloves, and footwear might get dusted off and prepped for battle. And in that beautiful Venn diagram, you will find PrimaLoft. They have spent over 40 years developing innovative insulations that have powered your warmest winter gear. In t

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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Dias Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Dias Beach at:
surf-forecast.com

Information about the Dias Beach Surf forecast

The above surf forecast table for Dias Beach provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Dias Beach can be found by selecting the local surf guide option on the grey menu. Our Dias Beach 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 (Dias Beach) 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 Dias Beach 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 Dias Beach, camping, hotels and holiday cottages in Cape Town, consider staying in Cape Town which is 46 km (29 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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