Goukamma River Mouth surfForecast / Garden Route / South Africa

information circle16 Day Weather and Surf, issued 7 pm Monday 11 May 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Goukamma River Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Goukamma River Mouth sea temperature is
18.8° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Goukamma River Mouth this week:

The surf forecast for Goukamma River Mouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (May 12) at 2AM. The primary swell is predicted to be 6.5m and 14s period with a secondary swell of 5.5m and 14s. Another secondary swell of 0.3m and 12s is also forecast. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Goukamma River Mouth in the next 16 days are 6.5m 14s and forecast to arrive on Tuesday (May 12) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Tue 12th May)21ft (6.5m) 14s
Best Surf 2AM (Tue 12th May)21ft (6.5m) 14s
Most Powerful 2AM (Tue 12th May)21ft (6.5m) 14s

Table - best surf conditions forecast for Goukamma River Mouth over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 52mm), heaviest during Tue morning. Very mild (max 17°C on Mon night, min 13°C on Wed night). Winds decreasing (fresh winds from the W on Tue night, calm by Thu afternoon).

Days 5-7 Weather Summary

Mostly dry. Very mild (max 19°C on Sat afternoon, min 14°C on Thu night). Wind will be generally light.

Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
Mon
18
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
!
!
!
!
0
!
!
!
4
4
!
4
4
3
3
3
2
2
4
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
6.5
SW
14
5
SW
13
4
SW
13
4.5
SW
12
5.5
SW
13
5
SW
13
3.5
SW
12
3
SSW
12
2.5
SSW
11
2.4
S
15
3
S
14
2.5
S
13
2.2
S
13
1.8
S
12
1.6
SW
14
1.3
S
11
1.1
SW
13
1.1
SW
13
1.3
SW
14
1.4
SW
13
1.4
SW
16
Wave Graph
Metric surfscale
Energy kJ
15052
8026
5506
6172
8769
8112
3671
2204
1578
2445
3154
2199
1634
942
911
408
382
458
726
701
954
Wind (km/h)
20
WSW
25
W
15
W
30
W
35
W
25
WSW
15
W
5
WNW
5
SW
10
NW
10
WSW
5
SSW
5
NNE
10
ESE
15
E
10
ENE
10
ESE
10
ESE
10
ENE
10
E
20
E
cross
cross
cross
cross
cross
cross-on
cross-off
cross-off
glassy
cross-off
cross
glassy
off
cross
cross
cross-off
cross
cross
cross-off
cross
cross
High Tide
11:55PM1.42m
12:24PM1.31m
00:44AM1.57m
1:13PM1.44m
1:28AM1.72m
1:57PM1.56m
2:10AM1.83m
2:39PM1.66m
2:52AM1.90m
3:21PM1.72m
3:35AM1.91m
4:04PM1.74m
4:19AM1.87m
4:48PM1.71m
Low Tide
6:19AM0.47m
6:20PM0.43m
7:07AM0.31m
7:09PM0.32m
7:50AM0.16m
7:54PM0.21m
8:32AM0.05m
8:38PM0.13m
9:13AM-0.01m
9:21PM0.09m
9:55AM-0.02m
10:06PM0.09m
10:38AM0.02m
heavy rain
heavy rain
mod rain
mod rain
part cloud
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:11
7:11
7:11
7:13
7:13
7:13
7:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:37
5:37
5:36
5:35
5:34
5:34
5:32
16
18
7
7
2
2
Temp °C
17
16
16
16
16
16
15
15
16
15
18
18
15
18
19
15
17
19
15
19
20
14
13
13
14
9
10
11
14
14
13
16
17
15
17
17
14
17
18
14
18
18
Swell 1
Height (m)
Direction
Period (s)
5.5
SW
14
0.1
SE
12
5
SW
13
3.5
SW
12
3
SSW
12
2.5
SSW
11
2.4
S
15
3
S
14
2.5
S
13
2.2
S
13
1.8
S
12
1.6
S
12
1.3
S
11
1.2
S
11
1.2
S
11
1.3
SW
14
1.4
SW
13
1.4
SW
16
Energy kJ
10658
6
8112
3671
2204
1578
2445
3154
2199
1634
942
714
408
335
326
726
701
954
Swell 2
Height (m)
Direction
Period (s)
0.3
SE
12
0.1
SW
20
0.5
S
15
1.4
SW
11
1.4
SW
11
1.5
SW
10
1.3
SW
11
1.6
SW
12
1.6
SW
14
1.1
SW
12
1.1
SW
13
1.1
SW
13
0.9
S
10
0.7
S
10
0.9
S
12
Energy kJ
22
15
109
471
485
477
375
689
911
309
382
458
165
106
243
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
18
0.4
SW
17
0.5
SW
17
0.7
SW
15
0.9
SW
15
0.5
SW
15
0.6
SW
14
0.4
ESE
4
0.4
SE
4
0.6
SSE
14
0.6
SSE
13
0.3
ESE
5
Energy kJ
32
77
140
229
385
109
147
7
5
147
133
5
Wind waves
Height (m)
Direction
Period (s)
6.5
SW
14
5
SW
13
4
SW
13
4.5
SW
12
5.5
SW
13
4.5
SW
13
0.6
ESE
3
0.7
ESE
4
Energy kJ
15052
8026
5506
6172
8769
7211
9
19
Nearest Offshore or Glassy
Rating
(10 max)
9
9
6
4
4
5
5
4
4
4
5
4
4
4
4
3
3
3
4
3
4
Distance (km)
4
4
4
485
488
372
4
4
0
0
4
0
0
1
1
0
1
4
0
1
15
Best forecast wave conditions in Garden Route
Rating
(10 max)
9
9
7
5
4
4
4
5
4
4
4
4
3
3
3
4
3
4
Best forecast wave conditions in South Africa
Rating
(10 max)
9
9
9
7
4
5
8
4
4
4
5
4
4
4
4
3
3
3
4
3
4
Header Global
Rating
(10 max)
9
5
9
9
5
6
8
5
5
5
5
5
5
4
7
4
5
7
4
4
8
  • 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 Goukamma River Mouth Surf forecast

The above surf forecast table for Goukamma River Mouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Goukamma River Mouth can be found by selecting the local surf guide option on the grey menu. Our Goukamma River Mouth 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 (Goukamma River Mouth) 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 Goukamma River Mouth 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 Garden Route? If you are looking for accommodation near Goukamma River Mouth, camping, hotels and holiday cottages in Garden Route, consider staying in Knysna which is 10 km (6 miles) away. Other places in and around Garden Route where you can find information about places to rent, and car hire include Plettenberg Bay which is 39 km (24 miles) away, George, Mossel Bay and Oudtshoorn.

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