Dunes Surf Forecast

/ Cape Town (69 surf breaks) /

South Africa (273 surf breaks) / Lat Long: (34.12° S 18.35° E)

Surf Forecasts:

Dunes surfForecast / Cape Town / South Africa

12 Day Weather and Surf, issued 1 pm Monday 01 Sep 2025 SAST

Forecast update in hr min s Forecast update imminent

Dunes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Dunes sea temperature is 15.9° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Dunes this week:

The surf forecast for Dunes over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 01) at 8PM. The primary swell is predicted to be 2.5m and 13s period with a secondary swell of 0.4m and 17s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Dunes in the next 12 days are 3.0m 15s and forecast to arrive on Monday (Sep 08) at 8AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 5s period and expected on Saturday (Sep 06) at 5AM.

Wave Type	Time (SAST) & Date	Wave Height & Period
Next good surf (1 star+)	8PM (Mon 1st Sep)	8ft (2.5m) 13s
Best Surf	8PM (Mon 1st Sep)	8ft (2.5m) 13s
Most Powerful	8AM (Mon 8th Sep)	10ft (3.0m) 15s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Mostly dry. Very mild (max 18°C on Mon night, min 13°C on Tue night). Wind will be generally light.											Days 3-6 Weather Summary Mostly dry. Warm (max 20°C on Sat night, min 12°C on Fri night). Winds increasing (light winds from the S on Thu night, fresh winds from the N by Sat night).
	Mon 01		Tuesday 02			Wednesday 03			Thursday 04			Friday 05			Saturday 06			Sunday 07
	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM
Rating (10 max)	4	4	1	3	3	4	4	3	2	2	3	3	1	1	3	4	1	2	4	4	4
Swell Height Map See all maps
Wave Height (m) & direction (?)	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	WSW	SW	SSW	SSW	SSW	SSW	SW	SW	SW	SW	SW
Period(s) (?)	13	14	13	13	13	13	13	12	11	10	11	12	12	11	14	14	13	14	14	15	15
Wave Graph (?)
Energy (?)	2255	2896	2411	2112	1717	1935	1663	936	839	819	770	731	1116	1252	2670	2101	1650	1978	2326	3118	3385
Wind (km/h)	SE	ENE	NW	WSW	SSW	SSE	SSE	SSE	W	SSW	SSE	SE	SSE	SE	SE	SE	N	NNE	SW	ESE	SE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	off	cross- off	cross- on	cross- on	cross	glass	cross- off	cross- off	cross- on	cross	cross- off	cross- off	cross- off	cross- off	cross- off	off	cross	cross	glass	off	cross- off
High Tide / height (m)		10:17PM 0.97	11:52AM 0.96		11:59PM 1.05	12:50PM 1.10		12:54AM 1.18	1:28PM 1.25		1:34AM 1.31		2:01PM 1.41	2:11AM 1.43		2:33PM 1.55	2:46AM 1.52		3:06PM 1.66	3:22AM 1.58
Low Tide / height (m)	3:28PM 0.72		5:26AM 0.61	6:00PM 0.66		6:37AM 0.50	6:57PM 0.53		7:17AM 0.36	7:36PM 0.39		7:50AM 0.23		8:11PM 0.24	8:22AM 0.12		8:45PM 0.11	8:54AM 0.03		9:20PM 0.01	9:27AM -0.01

	Mon 01		Tuesday 02			Wednesday 03			Thursday 04			Friday 05			Saturday 06			Sunday 07
Sunrise	-	-	7:03	-	-	7:03	-	-	7:01	-	-	7:00	-	-	6:58	-	-	6:56	-	-	6:56
Sunset	6:28	-	-	6:28	-	-	6:29	-	-	6:30	-	-	6:30	-	-	6:30	-	-	6:31	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	17	18	16	15	15	13	14	14	16	16	15	14	15	13	15	18	20	15	17	15	15
Feels °C (?)	15	15	13	13	15	13	12	12	15	14	14	12	11	8	10	13	17	10	15	12	14

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Cape Town

Wind Update Continuing clean conditions at Dunes (calm at Shoebury Heights wx 14 km from Dunes). 2.5m 13s groundswell from the SW with a 1.4m 6s windswell from the SSE. 2 swells combining so expect closeout sets.
1 hour 34 minutes ago Dunes

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1 h 34 min ago

0 km/h

Clean

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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 Dunes 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.

Information about the Dunes Surf forecast

The above surf forecast table for Dunes provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Dunes can be found by selecting the local surf guide option on the grey menu. Our Dunes 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 (Dunes) 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 Dunes 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 Cape Town? If you are looking for accommodation near Dunes, camping, hotels and holiday cottages in Cape Town, consider staying in Cape Town which is 24 km (15 miles) away. Other places in and around Cape Town where you can find information about places to rent, and car hire include Robben Island which is 35 km (22 miles) away, Bellville, Kayamnandi and Stellenbosch.