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Surf Forecasts:

Arniston surf break

Arniston surfForecast / Overberg / South Africa

information circle12 Day Weather and Surf, issued 1 pm Monday 26 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
21.6° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Arniston this week:

The surf forecast for Arniston over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jan 26) at 11PM. The primary swell is predicted to be 1.5m and 12s period with a secondary swell of 0.2m and 10s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Arniston in the next 12 days are 1.8m 15s and forecast to arrive on Sunday (Feb 01) at 8AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Monday (Jan 26) at 8PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Mon 26th Jan)5ft (1.5m) 12s
Best Surf 2AM (Wed 28th Jan)6ft (1.8m) 13s
Most Powerful 8AM (Sun 1st Feb)6ft (1.8m) 15s

Table - best surf conditions forecast for Arniston over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 22°C on Mon afternoon, min 19°C on Mon night). Winds decreasing (fresh winds from the SW on Mon afternoon, calm by Tue night).

Days 3-6 Weather Summary Mostly dry. Warm (max 24°C on Fri afternoon, min 20°C on Fri night). Winds decreasing (fresh winds from the ESE on Thu afternoon, light winds from the ESE by Fri morning).

Mon
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sunday
01
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
1
3
2
2
4
2
0
1
0
0
0
1
0
0
0
0
1
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.4
SSW
1.5
SSW
1.7
SSW
2
SSW
1.8
SSW
1.8
SSW
1.8
SSW
1.8
SSW
1.6
SSW
1.4
SSW
1.2
SSW
1.2
SSW
1.2
SSW
0.9
SSW
0.8
SSW
0.4
SW
1.3
SSW
1.8
SSW
1.6
SSW
1.3
SSW
1.1
SSW
Period(s) (?)121212121313131313121213121111201615141312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)57966883011891077107711371137763608412447387217128988971374996606353
Wind
(km/h)
35
SW
15
NW
25
SSW
20
SSW
5
SE
15
SSE
25
SSE
20
ESE
30
E
35
ESE
20
E
10
SE
25
SSE
15
S
20
S
25
SSE
20
ESE
25
E
30
ESE
15
E
15
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offcross-
off		crossglasscross-
on		cross-
on		onononononcross-
on		crosscross-
on		cross-
on		ononononon
High Tide
/ height (m)
8:55PM
1.27
9:33AM
1.45
10:49PM
1.24
11:20AM
1.45
12:27AM
1.36
12:44PM
1.56
1:31AM
1.54
1:44PM
1.70
2:20AM
1.72
2:32PM
1.82
3:01AM
1.87
3:13PM
1.89
3:39AM
1.97
Low Tide
/ height (m)
2:43PM
0.55
2:48AM
0.65
4:24PM
0.60
4:45AM
0.70
6:09PM
0.52
6:32AM
0.60
7:20PM
0.37
7:40AM
0.44
8:11PM
0.22
8:31AM
0.28
8:53PM
0.10
9:14AM
0.16
9:30PM
0.02
9:52AM
0.10
Mon
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sunday
01
Sunrise--5:52--5:54--5:54--5:56--5:56--5:58--5:58
Sunset7:50--7:49--7:47--7:47--7:46--7:45--7:45--
clear
clear
clear
clear
clear
cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
cloud
Rain (mm)
---------------------
Temp. °C222122212020201920212123242221212122222223
Feels °C (?)181920171818181616161824242119191920202223
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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:
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Information about the Arniston Surf forecast

The above surf forecast table for Arniston provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Arniston can be found by selecting the local surf guide option on the grey menu. Our Arniston surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Arniston) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Arniston may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Overberg? If you are looking for accommodation near Arniston, camping, hotels and holiday cottages in Overberg, consider staying in Hermanus which is 97 km (60 miles) away.

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