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 1 pm 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
21.0° 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 5PM is: 1.6m 9s primary swell from a East direction and 0.8m 12s secondary swell from a South-southwest direction (forecast issued at 01:00pm March 12). The wind direction is predicted to be cross-onshore.

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
Sunday
15
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
1
2
3
3
3
2
1
1
1
1
2
2
1
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.5
E
1.6
E
1.6
E
1.5
E
1.4
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
ESE
0.7
SW
1.2
ESE
0.6
SW
1
SSW
1.1
S
1.1
S
Period(s) (?)9999999991817161616151414813812877
Wave
Graph
(?)Metric surfscale
Energy kJ (?)38044044038833232527523523019429741648647435535028919316818493120134126
Wind
(km/h)
15
E
15
SSE
10
SSE
10
SW
10
WSW
10
SW
5
SSW
10
SSW
10
SE
20
S
25
S
10
SSW
10
SSW
10
S
20
S
20
SSE
25
SE
25
SE
30
SE
25
ESE
25
E
25
E
25
E
25
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
off		cross-
off		cross-
off		crosscrosscross-
on		crosscrosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		onononcross-
on		cross-
on		cross-
on
High Tide
/ height (m)
9:20AM
1.10
12:05AM
1.12
12:07PM
1.20
12:56AM
1.29
12:57PM
1.36
1:27AM
1.48
Low Tide
/ height (m)
5:16PM
0.85
6:18AM
0.88
6:43PM
0.69
7:06AM
0.71
7:17PM
0.52
7:37AM
0.53
Thursday
12
Friday
13
Saturday
14
Sunday
15
Sunrise-------6:35-------6:35-------6:37
Sunset--7:01-------7:00-------6:59-----
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
cloud
Rain (mm)
------------------------
Temp. °C323228242323222224232321212020202121212221202020
Feels °C (?)293028252424232325222223232120191918181918181818
  • 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

Surf-Forecast Premium Launches 16-day Forecast and New, Improved Modelling
Ben Mondy

Surf-Forecast Premium Launches 16-day Forecast and New, Improved Modelling

Get 16% off your subscription with code 16DAYS—available for 16 days only, until March 25, 2026. Surf-Forecast Premium just got better. All paid subscribers will now see a full 16-day forecast, surf reports and wind and tide data for over 7,000 of the world's best surf spots. Premium members will also have access to a new high-resolution forecast model, which enhances our current forecasts by making them quicker and more accurate. That’s more lead time. More confidence. More chances to score g

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal
travel
Surf Forecast

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal

Surf road trips just got even better. Surf-Forecast users can now save up to 20% on SIXT rental cars worldwide during the promotional period until March 31, 2026. Whether you’re planning a legendary California road trip, chasing waves along Europe’s coasts, or exploring remote surf destinations, this exclusive SIXT offer helps you travel smarter and cheaper. And if you want some inspiration on where to go, check out our article Five Iconic Surf Road Trips. Click and get your SIXT discount

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