Dias Beach surfForecast / Garden Route / South Africa

information circle12 Day Weather and Surf, issued 7 pm Friday 04 Jul 2025 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
16.4° 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 Friday (Jul 04) at 11PM. The primary swell is predicted to be 1.6m and 13s period with a secondary swell of 0.3m and 7s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Dias Beach in the next 12 days are 5.0m 14s and forecast to arrive on Friday (Jul 11) at 2AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 11s period and expected on Monday (Jul 07) at 2PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Fri 4th Jul)5ft (1.6m) 13s
Best Surf11AM (Sat 5th Jul)10ft (3.0m) 16s
Most Powerful 2AM (Fri 11th Jul)16ft (5.0m) 14s

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

Updates in  hr  min  s Forecast update imminent
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wed
16
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
Swell
Height Map
Wave Height (m) & direction (?)
2
SSW
3
SSW
3
SSW
4.5
SW
2.5
SSW
3.5
SSW
3
SSW
3
S
3
S
2.4
S
2.3
S
2
S
1.5
S
1.3
SSW
3
SW
2
SSW
1.7
SSW
3.5
SW
5
SW
3
SSW
4.5
SW
2.5
SSW
3
SSW
2.5
SSW
2.3
SSW
2.5
SSW
2.4
SSW
2
S
1.5
SSW
1.2
SSW
1
SSW
0.9
SSE
0.9
S
1.8
E
1.3
ESE
1.3
ESE
Period(s) (?)141615141313121515151414131214141313141615151515141715131312111010778
Wave
Graph
(?)Metric surfscale
Energy (?)14965041348810765237372132323341434572641212514579718714572150911374990140583963121432775328829912768486223881474824879395334375543216229
Wind
(km/h)
15
W
10
W
20
SSW
20
W
40
W
30
W
20
WNW
20
WNW
10
WSW
5
N
10
NNW
5
ESE
10
N
10
W
10
S
10
NNW
10
WSW
25
WSW
35
W
25
W
10
WSW
5
NNW
5
WNW
10
S
10
WNW
10
WNW
10
S
5
N
5
ESE
10
ESE
5
N
0
N
10
ESE
5
WNW
10
W
15
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcrossoffoffcross-
off
offoffcross-
off
glasscross-
off
oncross-
off
offcross-
on
cross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
off
glasscross-
on
offoffcross-
on
cross-
off
glassoncross-
off
glassonoffcross-
off
cross
High Tide
/ height (m)
11:13PM
1.49
11:55AM
1.30
12:18AM
1.52
1:02PM
1.37
1:12AM
1.58
1:53PM
1.46
1:56AM
1.65
2:35PM
1.56
2:36AM
1.73
3:11PM
1.66
3:12AM
1.80
3:45PM
1.75
3:48AM
1.85
4:19PM
1.83
4:24AM
1.88
4:53PM
1.89
5:00AM
1.88
5:30PM
1.93
5:39AM
1.85
6:08PM
1.93
6:19AM
1.78
6:50PM
1.91
7:04AM
1.69
7:37PM
1.85
Low Tide
/ height (m)
5:51AM
0.79
5:41PM
0.80
6:50AM
0.72
6:45PM
0.77
7:37AM
0.62
7:37PM
0.71
8:17AM
0.52
8:21PM
0.64
8:54AM
0.43
9:01PM
0.56
9:28AM
0.35
9:38PM
0.49
10:01AM
0.29
10:15PM
0.44
10:35AM
0.26
10:53PM
0.40
11:08AM
0.26
11:31PM
0.40
11:43AM
0.28
12:12AM
0.42
12:21PM
0.33
12:57AM
0.48
1:02PM
0.41
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wed
16
Sunrise-7:37--7:37--7:37--7:37--7:37--7:35--7:35--7:35--7:35--7:35--7:35--7:33-
Sunset--5:34--5:34--5:35--5:35--5:36--5:37--5:37--5:37--5:37--5:38--5:38--5:39
light rainpart cloudcloudrain showersrain showersrain showersrain showerspart cloudclearclearpart cloudclearpart cloudclearclearclearclearpart cloudrain showersclearpart cloudclearclearpart cloudclearclearclearclearclearpart cloudpart cloudclearclearclearclearclear
Rain (mm)
1--1123-----------3-----------------
Temp. °C161517141213121415141417161819151518131113121214121416131415131516141517
Feels °C (?)1113131364891012111512141613121395891011101113131312111514131213

Short Range Forecast: Light rain (total 8mm), mostly falling on Fri night. Very mild (max 17°C on Sat afternoon, min 11°C on Sun night). Winds increasing (light winds from the WNW on Sat night, strong winds from the W by Sun afternoon).

Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Wed afternoon, min 11°C on Tue morning). Wind will be generally light.

Days 6-9 Weather Summary Light rain (total 3mm), mostly falling on Thu night. Very mild (max 16°C on Sun afternoon, min 9°C on Thu night). Winds decreasing (fresh winds from the WSW on Thu night, calm by Sat morning).

Long Range Forecast: Mostly dry. Very mild (max 17°C on Wed afternoon, min 12°C on Sun night). Wind will be generally light.

  • 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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