Dias Beach surfForecast / Garden Route / South Africa

information circle12 Day Weather and Surf, issued 1 pm Thursday 01 Jan 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Dias Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dias Beach sea temperature is
21.4° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Dias Beach this week:

The surf forecast for Dias Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jan 01) at 11PM. The primary swell is predicted to be 0.6m and 13s period with a secondary swell of 0.8m and 9s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Dias Beach in the next 12 days are 4.0m 13s and forecast to arrive on Wednesday (Jan 07) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Saturday (Jan 03) at 2AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Thu 1st Jan)2ft (0.6m) 13s
Best Surf 2AM (Wed 7th Jan)10ft (3.0m) 10s
Most Powerful11AM (Wed 7th Jan)13ft (4.0m) 13s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 4mm), mostly falling on Sat night. Warm (max 24°C on Fri morning, min 19°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Some drizzle, heaviest during Wed morning. Warm (max 25°C on Tue afternoon, min 18°C on Sun night). Wind will be generally light.

Thu
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
2
0
0
2
0
0
0
0
0
0
0
0
1
1
2
!
!
!
3
1
Swell
Height Map
Wave Height (m) & direction (?)
0.7
SW
0.8
ESE
0.8
ESE
0.4
SW
0.6
SSW
0.7
SW
0.7
SW
1
E
1
E
1
E
1.1
ESE
0.9
ESE
0.9
ESE
0.7
ESE
1.5
SSW
1.8
SSW
3
SW
4
SSW
3
SSW
2.5
SSW
2.3
SSW
Period(s) (?)1398191716151099999912131013141312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1751209612220225121718417317622514112182583104119144976344322331568
Wind
(km/h)
20
ESE
5
WNW
20
S
15
SSE
15
W
20
SSW
20
S
10
SE
20
SE
25
ESE
10
ENE
20
S
20
S
15
SSW
15
SSW
20
SSW
20
W
25
SW
25
SSW
10
SE
15
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onglasscrosscross-
on
offcrosscross-
on
cross-
on
ononcross-
on
crosscrosscrosscrosscrossoffcross-
off
crosscross-
on
on
High Tide
/ height (m)
2:07PM
1.99
2:42AM
1.86
2:58PM
2.05
3:29AM
1.98
3:43PM
2.08
4:13AM
2.05
4:26PM
2.07
4:55AM
2.08
5:07PM
2.01
5:36AM
2.06
5:47PM
1.92
6:16AM
2.00
6:26PM
1.80
6:56AM
1.91
Low Tide
/ height (m)
8:33PM
0.38
8:43AM
0.45
9:17PM
0.29
9:32AM
0.38
9:58PM
0.25
10:16AM
0.36
10:36PM
0.24
10:58AM
0.38
11:13PM
0.27
11:39AM
0.43
11:49PM
0.34
12:19PM
0.52
12:24AM
0.44
12:59PM
0.63
Thu
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Sunrise--5:22--5:24--5:24--5:26--5:26--5:26--5:28
Sunset7:45--7:45--7:45--7:45--7:45--7:45--7:45--
clear
clear
clear
part cloud
clear
part cloud
part cloud
rain showers
rain showers
clear
clear
clear
clear
part cloud
part cloud
clear
clear
light rain
clear
part cloud
clear
Rain (mm)
-------31--------1---
Temp. °C232124242224242122222023232124252321221921
Feels °C (?)222222222322222221191821212123222217171618
  • 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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Information about the Dias Beach Surf forecast

The above surf forecast table for Dias Beach provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Dias Beach can be found by selecting the local surf guide option on the grey menu. Our Dias Beach 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 (Dias Beach) 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 Dias Beach 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.

Dias Beach is 6 km (4 miles) from the city of Mossel Bay. If you plan a holiday in Garden Route, look for hotels and other accommodation in Mossel Bay. Mossel Bay has rooms for a wide range of budgets as well as car hire and transport links.

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