De Kelders surfForecast / Overberg / South Africa

information circle12 Day Weather and Surf, issued 1 am Thursday 18 Dec 2025 SAST
Forecast update in hr  min  s Forecast update imminent
De Kelders surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's De Kelders sea temperature is
18.2° C
(Which is 1.2°C colder than average for this time of year)


Best Forecast Surf Conditions for De Kelders this week:

The surf forecast for De Kelders over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 18) at 8AM. The primary swell is predicted to be 0.9m and 12s period with a secondary swell of 1.1m and 9s. Another secondary swell of 1.1m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at De Kelders in the next 12 days are 2.3m 14s and forecast to arrive on Saturday (Dec 20) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 8s period and expected on Monday (Dec 22) at 8AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Thu 18th Dec)3ft (0.9m) 12s
Best Surf11PM (Fri 19th Dec)6.5ft (2.0m) 12s
Most Powerful 2PM (Sat 20th Dec)7.5ft (2.3m) 14s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 25°C on Sat morning, min 15°C on Thu night). Winds increasing (light winds from the NE on Thu morning, fresh winds from the SE by Sat afternoon).

Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Tue morning. Warm (max 26°C on Sun morning, min 18°C on Tue night). Winds decreasing (strong winds from the ESE on Sun afternoon, light winds from the E by Mon morning).

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
2
3
2
2
4
2
3
3
1
0
2
2
0
0
0
1
2
2
1
2
Swell
Height Map
Wave Height (m) & direction (?)
0.9
WSW
1.5
SW
1.4
SW
1.2
SW
1.4
SSW
2
SSW
2.3
SW
2.2
SW
2
SW
1.1
SW
1.1
SW
1.1
SW
1.8
SE
0.9
SW
0.9
SSE
0.7
WSW
1.1
SSW
1.9
SE
1.8
SE
1.4
SSE
1.1
SW
Period(s) (?)12810101012141413121211811910678811
Wave
Graph
(?)Metric surfscale
Energy kJ (?)246311369257349117720661922126531930927344918113588104342405245293
Wind
(km/h)
15
S
25
SSE
10
ESE
20
SSE
25
SSE
15
E
25
ESE
35
ESE
25
E
35
E
40
ESE
25
E
10
SSW
20
WSW
20
SSW
20
S
20
SSE
20
ESE
20
SE
20
SE
15
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
offcross-
off
cross-
off
offcross-
off
cross-
off
offoffoffoffcross-
on
oncross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
off
High Tide
/ height (m)
2:19PM
1.39
2:51AM
1.36
2:54PM
1.42
3:24AM
1.39
3:28PM
1.44
3:58AM
1.42
4:01PM
1.44
4:32AM
1.43
4:35PM
1.42
5:06AM
1.43
5:09PM
1.38
5:42AM
1.43
5:47PM
1.33
Low Tide
/ height (m)
8:18AM
0.40
8:42PM
0.25
8:53AM
0.36
9:15PM
0.21
9:27AM
0.33
9:47PM
0.19
10:01AM
0.32
10:18PM
0.19
10:35AM
0.33
10:50PM
0.20
11:10AM
0.35
11:22PM
0.22
11:48AM
0.37
11:57PM
0.26
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Sunrise5:24--5:24--5:24--5:26--5:26--5:26--5:26--
Sunset-7:52--7:52--7:52--7:53--7:53--7:54--7:54-
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
rain showers
light rain
light rain
light rain
cloud
cloud
clear
Rain (mm)
--------------2312---
Temp. °C202117222219252521262621252522212119192019
Feels °C (?)171714191817212018202017262524191916181616
  • Map Icons:
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  • 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 De Kelders Surf forecast

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

De Kelders is 18 km (11 miles) from Hermanus. If you plan a holiday in Overberg, look for hotels and other accommodation in Hermanus. Hermanus has rooms for a wide range of budgets as well as car hire and transport links.

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