Derde Steen 48 hour detailed Surf Forecast

Lat Long: 33.76° S 18.44° E

Issued: 1 am 10 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 (10 Jul):

Morning surf: Morning surf (10 Jul, local time) - 8ft (2.5m), 13s period with SSW swell.
Afternoon surf: Afternoon surf (10 Jul, local time) - 8ft (2.5m), 13s period with SSW swell.
Evening surf: Evening surf (10 Jul, local time) - 7ft (2.1m), 12s period with SSW swell.

The current surf forecast for Derde Steen at 7AM is: 2.5m 13s primary swell from a South-southwest direction and 0.2m 14s secondary swell from a West direction (forecast issued at 01:00am July 10). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (SAST) & Date	Wave Height	Wave Period
Morning (10 Jul)	8ft (2.5m)	13s
Afternoon (10 Jul)	8ft (2.5m)	13s
Evening (10 Jul)	7ft (2.1m)	12s

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 Fri morning). Wind will be generally light.
	Friday 10								Saturday 11								Sunday 12
	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	11 AM	2 PM	5 PM	8 PM	11 PM
Rating (10 max)	4	4	4	4	3	3	4	4	4	4	4	4	2	2	4	3	3	3	3	3	1	1	2	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	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	S 11	SSW 12	SSW 12	SSW 11	SSW 11	SSW 11	SSW 11	SSW 11	SSW 10	S 10
Wave Graph
kJ	2545	2507	2423	2386	2121	1989	1342	1258	1154	1498	1399	1310	1177	833	707	937	814	691	572	561	460	392	370	302
Wind (km/h)	SE	SE	SE	SE	SSE	SSE	SE	SE	ESE	ESE	ESE	ESE	SSE	S	SE	ESE	ESE	ESE	ESE	ESE	SSE	S	SE	ESE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	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	cross-off	cross	cross-on	cross-off	cross-off
High Tide					11:40AM1.15m				11:57PM1.34m				12:49PM1.25m				1:03AM1.41m				1:48PM1.36m
Low Tide			5:22AM0.34m				5:37PM0.45m				6:34AM0.26m				6:51PM0.37m				7:34AM0.17m				7:53PM0.26m


	—	7:50	—	—	—	—	—	—	—	7:50	—	—	—	—	—	—	—	7:50	—	—	—	—	—	—
	—	—	—	—	—	5:52	—	—	—	—	—	—	—	5:52	—	—	—	—	—	—	—	5:52	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	12	12	11	13	15	16	14	13	12	12	12	14	17	18	16	15	14	14	14	16	18	18	17	16
Feels °C	9	9	8	10	12	13	11	10	9	9	9	11	15	16	14	12	11	11	11	14	16	16	15	14
Swell 1 Height (m) Direction Period (s)	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	S 11	SSW 12	SSW 12	SSW 11	SSW 11	SSW 11	SSW 11	SSW 11	SSW 10	S 10
kJ	2545	2507	2423	2386	2121	1989	1342	1258	1154	1498	1399	1310	1177	833	707	937	814	691	572	561	460	392	370	302
Swell 2 Height (m) Direction Period (s)	SW 13	SW 13	W 14	W 14	W 14	W 13	W 12	S 7	S 7	W 12	W 11	W 11	W 11	SW 12	SW 12	W 12	W 11	W 11	W 11	W 11	W 11	W 11	W 10	W 10
kJ	796	431	16	16	34	52	77	124	131	132	121	116	116	244	282	175	163	152	149	112	112	110	102	71
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	W 12	W 12	—	W 20	W 19	W 14	W 12	W 12	SW 18	SW 18	SW 16	WSW 16	WSW 16	SW 16	SW 15	SW 15	SW 15
kJ	—	—	—	—	—	—	—	103	136	—	7	7	32	166	178	12	12	41	25	25	39	37	34	34
Wind waves Height (m) Direction Period (s)	—	—	—	—	SSE 6	SSE 6	S 7	SSE 7	SSE 7	SSE 7	SSE 7	SSE 7	—	SSE 7	SSE 7	SSE 7	—	—	—	—	—	—	—	—
kJ	—	—	—	—	145	197	135	198	176	158	162	167	—	132	167	139	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Derde Steen Cape Town	Derde Steen Cape Town	Derde Steen Cape Town	Derde Steen Cape Town	Haakgat Cape Town	Haakgat 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	Derde Steen Cape Town	Haakgat Cape Town	Beach Road 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	3	3	3	3	3	3	3	2	2
Distance (km)	0	0	0	0	1	1	0	0	0	0	0	0	1	3	0	0	0	0	0	0	1	3	0	0
Best forecast wave conditions in Cape Town	The Hoek	Kreefte Reef	Kreefte Reef	Kreefte Reef	Kamer Van	Kamer Van	Kreefte Reef	Kreefte Reef	The Hoek	The Hoek	The Hoek	The Hoek	The Hoek	The Hoek	The Hoek	The Hoek	The Hoek	Kreefte Reef	Kreefte Reef	The Hoek	The Hoek	The Hoek	The Hoek	The Hoek
Rating (10 max)	5	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	4	3	3	3	3
Best forecast wave conditions in South Africa	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Double Mouth 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	Fish Boma Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Goukamma River Mouth Garden Route	Haga-Haga Eastern Cape - Wild Coast	Haga-Haga Eastern Cape - Wild Coast	Moonlight Bay Overberg	Fish Boma Garden Route	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route
Rating (10 max)	5	5	5	5	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	4	4
Header Global	Boneyards South Africa	Barbel Point South Africa	Boneyards South Africa	Papatowai New Zealand	Boneyards South Africa	Kaifu Rivermouth Japan	Boneyards South Africa	Kaifu Rivermouth Japan	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Etang-Sale Reunion	Etang-Sale Reunion	Ilot Sancho Mauritius	Ilot Sancho Mauritius	Ilot Sancho Mauritius	Ilot Sancho Mauritius	Ilot Sancho Mauritius	Black Rocks Mauritius
Rating (10 max)	6	5	5	6	5	6	5	7	5	5	5	4	4	7	6	5	5	5	5	5	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 (10 Jul):

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