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Surf Forecasts:

Arniston surf break

Arniston surfForecast / Overberg / South Africa

information circle48hr Weather and Surf, issued 1 am Thursday 12 Mar 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
20.9° C
 (Which is slightly warmer than usual)

How big are the waves at Arniston today?

The current surf forecast for Arniston at 8AM is: 1.5m 9s primary swell from a East direction and 0.9m 13s secondary swell from a South-southwest direction (forecast issued at 01:00am March 12). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (12 Mar)5ft (1.5m)9s
Afternoon (12 Mar)5ft (1.6m)9s
Evening (12 Mar)5ft (1.5m)9s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Thursday
12
Friday
13
Saturday
14
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
Rating
(10 max)
2
1
0
2
1
0
2
3
3
3
3
1
1
0
1
2
2
2
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
SSW
1.5
E
1.5
E
1.5
E
1.6
E
1.6
E
1.6
E
1.5
E
1.5
E
1.4
E
1.3
E
1.2
E
1.2
E
0.6
SW
0.7
SW
0.9
SW
1
SW
1
SW
0.9
SW
0.9
SW
0.8
SW
1.2
SE
0.7
SW
0.6
SW
Period(s) (?)16999999999999181716161615141481313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)376366347363430440440388380325281235230192297416486474355350289206168136
Wind
(km/h)
10
E
15
E
15
ENE
15
NE
15
E
20
SSE
5
SE
0
SE
0
WNW
0
SW
5
ESE
5
S
10
E
20
S
20
SSW
10
SSW
5
SSW
10
S
15
S
20
SSE
20
SE
25
SE
30
SE
25
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		oncross-
on		crosscross-
on		cross-
on		onglassglassglassglasscross-
on		oncross-
on		crosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		ononon
High Tide
/ height (m)
8:04PM
1.07
9:20AM
1.10
12:05AM
1.12
12:07PM
1.20
12:56AM
1.29
12:57PM
1.36
Low Tide
/ height (m)
1:46AM
0.91
5:16PM
0.85
6:18AM
0.88
6:43PM
0.69
7:06AM
0.71
7:17PM
0.52
Thursday
12
Friday
13
Saturday
14
Sunrise---6:35-------6:35-------6:35----
Sunset------7:01-------7:00-------6:59-
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C232424273229262524232323242423212120202021222121
Feels °C (?)242422242926262726252424242322222422201920201818
  • 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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