Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Arniston surf break

Arniston surfForecast / Overberg / South Africa

information circle48hr Weather and Surf, issued 7 pm 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
21.7° C
 (Which is 1.1°C warmer than normal for this time of year)

How big are the waves at Arniston today?

The current surf forecast for Arniston at 10PM is: 1.8m 10s primary swell from a Southwest direction and 0.5m 9s secondary swell from a East direction, 0.3m 11s secondary swell from a East direction (forecast issued at 07:00pm January 17). The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (17 Jan)--
Afternoon (17 Jan)4.5ft (1.3m)10s
Evening (17 Jan)5.5ft (1.7m)10s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
17
Sunday
18
Monday
19
Tuesday
20
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM
Rating
(10 max)
0
0
1
!
!
!
!
!
2
1
2
2
3
3
2
0
0
1
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
SW
1.7
SW
1.8
SW
3
SW
2.3
SSW
2.2
SSW
2.1
SSW
2.1
SSW
2
SSW
1.8
SSW
1.7
SSW
1.6
SSW
1.5
SSW
1.5
SSW
1.4
SSW
1.3
SSW
1.2
SSW
1.2
SSW
1.2
SSW
1.3
S
0.9
SW
0.9
SSW
0.9
SW
0.9
SW
Period(s) (?)10101011121212121212121212121111111111101091011
Wave
Graph
(?)Metric surfscale
Energy kJ (?)499531600187115281404131113111132954847725633593469373313319313374139129160163
Wind
(km/h)
50
WSW
40
WSW
35
WSW
35
WSW
30
WSW
20
SW
25
SW
25
SSW
25
S
15
S
10
SSE
5
SSE
5
ENE
0
NNE
10
SSE
15
S
15
S
10
S
15
SE
25
SE
25
SE
30
ESE
30
E
35
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscross-
on		cross-
on		cross-
on		glassglasscross-
on		cross-
on		crosscrosscross-
on		ononononon
High Tide
/ height (m)
2:47PM
1.68
3:15AM
1.70
3:18PM
1.75
3:46AM
1.78
3:49PM
1.79
4:16AM
1.85
Low Tide
/ height (m)
9:06PM
0.24
9:19AM
0.35
9:35PM
0.16
9:50AM
0.29
10:03PM
0.11
10:21AM
0.24
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Sunrise-----5:43-------5:45-------5:46--
Sunset7:53-------7:53-------7:52-------
clear
clear
rain showers
part cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
clear
clear
Rain (mm)
--1---------------------
Temp. °C211918191818191919181818171719191919191919192020
Feels °C (?)121212121213141414151617161717161618181615141515
  • 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

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

Read more

Read more

Discover more articles and updates in the Greenroom.

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

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest