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Surf Forecasts:

Arniston surf break

Arniston surfForecast / Overberg / South Africa

information circle48hr Weather and Surf, issued 1 pm Tuesday 20 Jan 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Arniston surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Arniston sea temperature is
21.7° C
 (Which is 1.0°C warmer than normal for this time of year)

How big are the waves at Arniston today?

The current surf forecast for Arniston at 4PM is: 0.6m 14s primary swell from a South-southwest direction and 0.7m 10s secondary swell from a Southwest direction, 1.3m 5s secondary swell from a Southeast direction (forecast issued at 01:00pm January 20). The wind direction is predicted to be onshore.

Time (SAST) & DateWave HeightWave Period
Morning (20 Jan)3ft (0.9m)10s
Afternoon (20 Jan)3ft (0.9m)11s
Evening (20 Jan)3.5ft (1.1m)13s

Table - waves today at Arniston. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
1
1
1
2
!
!
!
!
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
SW
0.9
SW
0.7
SSW
1
SSW
1.1
SSW
1.1
SSW
1.1
SSW
1.1
SSW
1.1
SSW
1.1
SSW
1
SSW
1
SSW
0.7
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1.5
SSW
1.6
SSW
1.9
SSW
2.4
SSW
2.4
SSW
2.4
SSW
2.4
SSW
Period(s) (?)111114131313121212121212141213131316151515151414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)163166163368384373350333328328274269210461492507523999126515812394236123292265
Wind
(km/h)
25
E
30
ESE
35
ESE
35
E
35
E
35
ENE
35
E
35
E
30
ESE
30
ESE
30
ESE
20
ESE
20
E
15
E
5
ESE
10
WSW
30
SW
35
WSW
35
SW
30
SW
20
SSW
10
SW
10
WSW
10
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononononcross-
on		cross-
on		cross-
on		ononononononononcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
off		cross-
off		cross-
off
High Tide
/ height (m)
4:20PM
1.81
4:46AM
1.89
4:52PM
1.79
5:17AM
1.90
5:25PM
1.73
5:50AM
1.87
Low Tide
/ height (m)
10:21AM
0.24
10:31PM
0.09
10:53AM
0.23
11:00PM
0.10
11:26AM
0.24
11:31PM
0.16
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise-------5:47-------5:48-------5:48
Sunset--7:52-------7:52-------7:52-----
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
cloud
part cloud
clear
clear
clear
Rain (mm)
------------------------
Temp. °C202020191919191920202020202020202021211918181718
Feels °C (?)161515131314141415161618181921201615161415161616
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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 Arniston 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 Arniston at:
surf-forecast.com

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