Derde Steen 48 hour detailed Surf Forecast

Lat Long: 33.76° S 18.44° E

Issued: 1 pm 09 Jul 2026 (local time)

Forecast update in hr min

Today's Derde Steen sea temperature is

14.4° C

Derde Steen 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 Derde Steen today (09 Jul):

Morning surf: Morning surf (09 Jul, local time) - 10ft (3.0m), 14s period with SW swell.
Afternoon surf: Afternoon surf (09 Jul, local time) - 8ft (2.5m), 13s period with SSW swell.
Evening surf: Evening surf (09 Jul, local time) - 8ft (2.5m), 13s period with SSW swell.

The current surf forecast for Derde Steen at 5PM is: 3.0m 13s primary swell from a South-southwest direction and 1.2m 5s secondary swell from a South-southeast direction (forecast issued at 01:00pm July 09). The wind direction is predicted to be cross-shore and the swell rating is 11.

Time (SAST) & Date	Wave Height	Wave Period
Morning (09 Jul)	10ft (3.0m)	14s
Afternoon (09 Jul)	8ft (2.5m)	13s
Evening (09 Jul)	8ft (2.5m)	13s

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

	Short Range Forecast Mostly dry. Very mild (max 18°C on Sat afternoon, min 11°C on Thu night). Wind will be generally light.
	Thu 9					Friday 10								Saturday 11								Sun 12
	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	2 AM	5 AM	8 AM
Rating (10 max)	!	2	!	2	3	4	4	4	4	3	3	4	4	4	4	4	4	2	3	3	3	3	3	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 14	SSW 13	SSW 13	SSW 13	SSW 13	SSW 13	SSW 13	SSW 13	SSW 13	SSW 13	SSW 13	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 11	SSW 12	SSW 11	SSW 11	SSW 11
Wave Graph
kJ	2847	2615	2598	2507	2545	2545	2507	2423	2386	2121	1989	1896	1320	1548	1498	1399	1310	1177	833	750	937	800	691	572
Wind (km/h)	SSE	S	S	SSE	SSE	SE	SE	SE	SE	SSE	S	SE	SE	ESE	ESE	ESE	ESE	SSE	SSW	SE	ESE	ESE	ESE	ESE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross	cross	cross	cross-off	cross-off	cross-off	cross-off	cross	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross	cross-on	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide	10:21AM1.10m				10:42PM1.29m					11:40AM1.15m				11:57PM1.34m				12:49PM1.25m				1:03AM1.41m
Low Tide			4:12PM0.49m					5:22AM0.34m				5:37PM0.45m				6:34AM0.26m				6:51PM0.37m				7:34AM0.17m


	—	—	—	—	—	—	7:50	—	—	—	—	—	—	—	7:50	—	—	—	—	—	—	—	7:50	—
	—	—	5:52	—	—	—	—	—	—	—	5:52	—	—	—	—	—	—	—	5:52	—	—	—	—	5:52
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	13	14	14	12	12	12	11	11	13	15	15	14	13	12	12	11	13	17	18	16	15	14	14	14
Feels °C	10	11	10	8	9	9	8	8	10	12	12	11	10	9	9	8	10	14	16	14	12	11	11	11
Swell 1 Height (m) Direction Period (s)	SW 14	SSW 13	SSW 13	SSW 13	SSW 13	SSW 13	SSW 13	SSW 13	SSW 13	SSW 13	SSW 13	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 11	SSW 12	SSW 11	SSW 11	SSW 11
kJ	2847	2615	2598	2507	2545	2545	2507	2423	2386	2121	1989	1896	1320	1548	1498	1399	1310	1177	833	750	937	800	691	572
Swell 2 Height (m) Direction Period (s)	—	—	—	—	—	SW 13	SW 13	W 14	W 14	W 14	W 13	W 12	S 7	W 12	W 12	W 11	W 11	W 11	SW 12	W 12	W 12	W 11	W 11	W 11
kJ	—	—	—	—	—	796	431	16	16	34	52	77	139	136	132	121	116	116	244	178	175	163	152	149
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	W 12	—	—	W 20	W 19	W 14	W 12	SW 12	SW 18	SW 18	WSW 16	WSW 16
kJ	—	—	—	—	—	—	—	—	—	—	—	—	103	—	—	7	7	32	166	175	12	12	26	25
Wind waves Height (m) Direction Period (s)	—	—	SSE 5	SSE 5	—	—	—	—	SSE 6	—	SSE 6	SSE 6	SSE 6	SSE 6	SSE 7	SSE 7	—	—	SSE 7	SSE 7	SSE 7	—	—	—
kJ	—	—	64	59	—	—	—	—	128	—	188	203	192	140	149	140	—	—	135	145	135	—	—	—
Nearest Offshore or Glassy	Big Bay Cape Town	De Kelders Overberg	Heaven West Coast	Off The Wall Cape Town	Haakgat Cape Town	Derde Steen Cape Town	Derde Steen Cape Town	Derde Steen Cape Town	Derde Steen Cape Town	Haakgat Cape Town	Kamer Van Cape Town	Derde Steen Cape Town	Derde Steen Cape Town	Derde Steen Cape Town	Derde Steen Cape Town	Derde Steen Cape Town	Derde Steen Cape Town	Haakgat Cape Town	Beach Road Cape Town	Derde Steen Cape Town	Derde Steen Cape Town	Derde Steen Cape Town	Derde Steen Cape Town	Derde Steen Cape Town
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	3	3	3
Distance (km)	4	122	126	17	1	0	0	0	0	1	3	0	0	0	0	0	0	1	3	0	0	0	0	0
Best forecast wave conditions in Cape Town	Sollys			Sollys	Kamer Van	Haakgat	The Hoek	Kreefte Reef	Kreefte Reef	Kamer Van	Kamer Van	Kreefte Reef	Kreefte Reef	Kreefte Reef	The Hoek	The Hoek	The Hoek	The Hoek	The Hoek	The Hoek	The Hoek	The Hoek	The Hoek	The Hoek
Rating (10 max)	4			4	4	5	5	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Best forecast wave conditions in South Africa	Vleesbaai Overberg	Santos Reef Garden Route	Super Tubes Eastern Cape (S)	Fish Boma Garden Route	Haga-Haga Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Doring Bay West Coast	Gerickes Point Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Haga-Haga Eastern Cape - Wild Coast	Haga-Haga Eastern Cape - Wild Coast
Rating (10 max)	4	4	5	5	5	5	5	5	5	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Header Global	Papatowai New Zealand	Trial Harbour Australia	Baler - Lindy's Point Philippines	Weld Road New Zealand	Boneyards South Africa	Barbel Point South Africa	Barbel Point South Africa	Barbel Point South Africa	Papatowai New Zealand	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Frigates Fiji	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Cow Bombie Australia	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Etang-Sale Reunion	Etang-Sale Reunion	Black Rocks Mauritius
Rating (10 max)	6	6	6	6	6	5	5	5	6	6	6	7	7	5	5	5	4	5	7	6	5	5	5	4

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

Latest Updates

Ben Mondy

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Derde Steen 48 hour detailed Surf Forecast

How big are the waves at Derde Steen today (09 Jul):

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