Arniston surf break

Arniston surfForecast / Overberg / South Africa

information circle48hr Weather and Surf, issued 1 am Saturday 17 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
22.1° C
(Which is 1.4°C warmer than normal for this time of year)


How big are the waves at Arniston today?

The current surf forecast for Arniston at 8AM is: 0.9m 9s primary swell from a South-southwest direction and 0.5m 6s secondary swell from a East direction (forecast issued at 01:00am January 17). The wind direction is predicted to be offshore.

Time (SAST) & DateWave HeightWave Period
Morning (17 Jan)3ft (0.9m)9s
Afternoon (17 Jan)4ft (1.2m)10s
Evening (17 Jan)6ft (1.8m)10s

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

Updates in  hr  min  s Forecast update imminent
Saturday
17
Sunday
18
Monday
19
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
0
0
1
1
0
0
0
0
1
!
!
!
!
1
1
1
2
2
3
3
2
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
SSW
0.8
SSW
0.8
SSW
0.9
SSW
0.9
SSW
1.2
SW
1.6
SW
1.8
SW
1.9
SW
2.1
SSW
2.2
SSW
2.2
SSW
2.1
SSW
2
SSW
2
SSW
1.8
SSW
1.7
SSW
1.6
SSW
1.6
SSW
1.5
SSW
1.4
SSW
1.3
SSW
1.2
SSW
1.2
SSW
Period(s) (?)999991010109111212121212121212121211111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)13310694119136275499566599100613881459131112011132954847725713593469366313313
Wind
(km/h)
10
S
5
SSW
5
SW
10
WNW
20
SW
45
WSW
50
WSW
40
WSW
35
WSW
35
WSW
30
SW
25
WSW
25
SW
25
SSW
25
SSW
15
SSW
10
SSW
5
SSW
5
WNW
5
WNW
10
S
20
S
20
SSW
20
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrossglassoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrosscrosscrossglassoffcross-
on
crosscrosscross
High Tide
/ height (m)
2:44AM
1.59
2:47PM
1.68
3:15AM
1.70
3:18PM
1.75
3:46AM
1.78
3:49PM
1.79
Low Tide
/ height (m)
8:36PM
0.33
8:48AM
0.44
9:06PM
0.24
9:19AM
0.35
9:35PM
0.16
9:50AM
0.29
Saturday
17
Sunday
18
Monday
19
Sunrise---5:43-------5:43-------5:45----
Sunset------7:53-------7:53-------7:52-
cloud
cloud
part cloud
clear
clear
clear
clear
clear
rain showers
part cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
Rain (mm)
--------1---------------
Temp. °C181818182022211918181717181918181818171718192020
Feels °C (?)161718171614131212111112131313151617161616161718
  • 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

Latest Updates

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.


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