Dunes 48 hour detailed Surf Forecast

Lat Long: 34.12° S 18.35° E

Issued: 7 am 13 Sep 2026 (local time)

Forecast update in hr min

Today's Dunes sea temperature is

14.2°C

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

Surf Forecasts:

How big are the waves at Dunes today (13 Sep):

Morning surf: Morning surf (13 Sep, local time) - 7ft (2.2m), 14s period with SW swell.
Afternoon surf: Afternoon surf (13 Sep, local time) - 6ft (1.9m), 14s period with SW swell.
Evening surf: Evening surf (13 Sep, local time) - 5.5ft (1.7m), 13s period with SW swell.

The current surf forecast for Dunes at 3PM is: 1.9m 14s primary swell from a Southwest direction and 1.4m 8s secondary swell from a Southeast direction, 2.2m 9s secondary swell from a Southeast direction (forecast issued at 07:00am September 13). The wind direction is predicted to be glassy and the swell rating is 4.

Time (SAST) & Date	Wave Height	Wave Period
Morning (13 Sep)	7ft (2.2m)	14s
Afternoon (13 Sep)	6ft (1.9m)	14s
Evening (13 Sep)	5.5ft (1.7m)	13s

Table - waves today at Dunes. (Swell directed towards the surf break)

	Short Range Forecast Heavy rain (total 42mm), heaviest during Tue night. Very mild (max 19°C on Sun morning, min 13°C on Tue night). Winds increasing (calm on Sun afternoon, strong winds from the NNW by Tue afternoon).
	Sunday 13							Monday 14								Tuesday 15
	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM
Rating (10 max)	4	4	4	4	3	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 15	SW 14	SW 14	SW 14	SW 14	SW 13	SW 13	SW 13	SW 13	SW 13	SW 12	SW 12	SW 12	NW 7	NW 7	NW 7	NW 7	NW 7	NW 6	SW 16	SW 16	SW 15	WSW 14
Wave Graph
kJ	2278	1983	1665	1363	1208	1014	827	663	643	504	473	361	301	403	404	404	323	301	338	955	1194	1967	3108
Wind (km/h)	ESE	ESE	ESE	NW	NNW	NNW	NNW	NNW	N	N	N	NNW	NNW	NNW	N	NNW	NNW	NNW	NNW	NNW	NNW	N	NNW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	off	off	off	glassy	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on
High Tide					4:29PM1.62m				4:47AM1.44m				4:59PM1.53m					5:18AM1.35m				5:29PM1.40m
Low Tide			10:19AM0.08m				10:45PM0.08m				10:49AM0.16m					11:15PM0.17m				11:18AM0.26m


	6:48	—	—	—	—	—	—	—	6:48	—	—	—	—	—	—	—	6:46	—	—	—	—	—	—
	—	—	—	—	6:36	—	—	—	—	—	—	—	6:37	—	—	—	—	—	—	—	6:37	—	—
mm	—	—	—	1	2	1	2	1	1	—	—	—	—	—	—	—	—	1	—	—	—	4	13
Temp °C	17	17	19	18	17	16	15	15	15	15	15	16	15	15	14	14	15	15	15	15	15	14	14
Feels °C	14	14	18	19	17	15	11	12	12	11	9	10	10	9	9	8	10	10	8	7	8	7	12
Swell 1 Height (m) Direction Period (s)	SW 15	SW 14	SW 14	SW 14	SW 14	SW 13	SW 13	SW 13	SW 13	SW 13	SW 12	SW 12	SW 12	SW 12	SW 12	SW 11	SW 11	SW 11	SW 11	SW 16	SW 16	SW 15	WSW 14
kJ	2278	1983	1665	1363	1208	1014	827	663	643	504	473	361	268	268	263	217	202	194	174	955	1194	1967	3108
Swell 2 Height (m) Direction Period (s)	—	—	SE 8	SE 8	SE 8	SE 8	SE 8	SE 8	SE 9	SE 11	SE 11	SE 11	SE 11	SE 13	SE 13	SE 13	SW 15	SW 16	SW 18	ESE 13	SE 13	SE 13	SE 13
kJ	—	—	299	226	232	211	159	118	114	137	92	56	60	42	42	27	37	96	246	17	7	7	7
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	SE 12	—	—	—	—	—	ESE 13	—	ESE 13	ESE 13	ESE 13	SE 13	—	—	ESE 13
kJ	—	—	—	—	—	—	—	—	37	—	—	—	—	—	34	—	17	17	17	7	—	—	56
Wind waves Height (m) Direction Period (s)	SE 8	SE 8	SE 9	SE 9	SE 9	SE 8	NNW 4	NNW 4	NNW 5	NW 5	NW 6	NW 6	NW 6	NW 7	NW 7	NW 7	NW 7	NW 7	NW 6	NW 7	NW 7	NW 7	NW 7
kJ	528	393	945	766	766	553	15	39	64	98	148	214	301	403	404	404	323	301	338	480	541	543	341
Nearest Offshore or Glassy	Dunes Cape Town	Dunes Cape Town	Dunes Cape Town	Dunes Cape Town	Outer Kom Cape Town	Outer Kom Cape Town	Clovelly Cape Town	Muizenberg Cape Town	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	Kleinmond Overberg	Kleinmond Overberg	Struisbaai Overberg	Kleinmond Overberg	Kleinmond Overberg	Meerensee Beach Overberg	Meerensee Beach Overberg	Clovelly Cape Town	Arniston Overberg	Cape Infanta Overberg	Cape Infanta Overberg	Arniston Overberg	365s Cape Town
Rating (10 max)	4	4	4	4	4	4	3	2	2	2	3	2	2	3	2	2	2	1	3	2	2	3	5
Distance (km)	0	0	0	0	4	4	9	12	29	29	65	65	174	65	65	74	74	9	185	233	233	185	4
Best forecast wave conditions in Cape Town	Kreefte Reef	Kreefte Reef	Kreefte Reef	Crons	Strand (Pipe)	Dias Beach	Sunset Beach	Van Riebeek	Monwabisi Strand	Nine Mile Reef								Danger Reef					Platboom
Rating (10 max)	4	4	4	4	4	4	3	3	2	2								2					5
Best forecast wave conditions in South Africa	Gerickes Point Garden Route	Gerickes Point Garden Route	Fish Boma Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Goukamma River Mouth Garden Route	Noncom (Cape Recife) Eastern Cape (S)	Fence (Port Elizabeth) Eastern Cape (S)	Gerickes Point Garden Route	Queensberry Bay Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Yellow sands Point Eastern Cape - Wild Coast	Vleesbaai Overberg	Dolphin Point Overberg	Vetchs Reef Durban/KZN South	Kleinmond Overberg
Rating (10 max)	5	5	4	4	4	5	7	4	4	4	4	4	4	6	4	4	4	4	4	3	4	4	5
Header Global	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Shipwreck Bay-Supertubes New Zealand	Fish Boma South Africa	Fish Boma South Africa	Injidup Carpark Australia	Cobblestones Australia	Namotu Lefts Fiji	Restaurants Fiji	Frigates Fiji	Gas Bay Australia	Cintsa West South Africa	Hole-in-the-Wall South Africa	Cobblestones Australia	Cobblestones Australia	Supertubes Australia	Gas Bay Australia	Cow Bombie Australia	Aganoa Beach Samoa	Saint Leu Reunion	Saint Leu Reunion
Rating (10 max)	9	8	7	6	5	5	7	5	6	6	5	6	6	6	8	5	5	5	5	5	4	5	6

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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Dunes 48 hour detailed Surf Forecast

How big are the waves at Dunes today (13 Sep):

Short Range Forecast

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