Extensions 48 hour detailed Surf Forecast

Lat Long: 34.34° S 18.46° E

Issued: 1 am 23 Jul 2026 (local time)

Forecast update in hr min

Today's Extensions sea temperature is

15.7° C

Extensions 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 Extensions today (23 Jul):

Morning surf: Morning surf (23 Jul, local time) - 7ft (2.1m), 11s period with SW swell.
Afternoon surf: Afternoon surf (23 Jul, local time) - 7.5ft (2.3m), 11s period with SW swell.
Evening surf: Evening surf (23 Jul, local time) - 13ft (4.0m), 17s period with SW swell.

The current surf forecast for Extensions at 8AM is: 2.0m 11s primary swell from a Southwest direction and 0.8m 12s secondary swell from a West-southwest direction, 1.7m 6s secondary swell from a North-northwest direction (forecast issued at 01:00am July 23). The wind direction is predicted to be cross-shore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (23 Jul)	7ft (2.1m)	11s
Afternoon (23 Jul)	7.5ft (2.3m)	11s
Evening (23 Jul)	13ft (4.0m)	17s

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

	Short Range Forecast Moderate rain (total 12mm), heaviest on Thu afternoon. Very mild (max 17°C on Sat afternoon, min 12°C on Thu night). Winds decreasing (strong winds from the N on Thu morning, calm by Fri morning).
	Thursday 23								Friday 24								Saturday 25
	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)	0	0	0	3	4	4	7	7	8	8	7	5	5	5	4	3	2	2	2	2	3	3	3	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	WSW 12	WSW 12	SW 11	SW 11	SW 11	SW 12	SW 18	SW 16	SW 16	SW 15	SW 15	SW 14	SW 14	SW 14	SW 14	WSW 14	SW 13	SW 13	SW 13	SW 12	SW 12	SW 12	SW 12	SW 12
Wave Graph
kJ	756	769	897	1492	1080	2032	9718	10400	9565	7905	6004	4968	4692	3889	3301	1474	2511	2340	1494	1403	1991	1897	1760	1659
Wind (km/h)	N	NNW	N	WNW	SE	SE	SE	ESE	ESE	ESE	ESE	E	S	SSE	SSE	SE	SE	SE	SE	ESE	SE	SE	SE	SE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross	on	cross-off	cross-off	cross-off	cross-off	cross-off	off	off	off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide				10:47AM0.97m					11:05PM1.08m				12:11PM1.01m				00:19AM1.11m				1:11PM1.09m
Low Tide		4:33AM0.55m				4:45PM0.64m					5:57AM0.53m				6:15PM0.61m				6:59AM0.47m				7:15PM0.54m


	—	7:46	—	—	—	—	—	—	—	7:45	—	—	—	—	—	—	—	7:45	—	—	—	—	—	—
	—	—	—	—	—	5:59	—	—	—	—	—	—	—	5:59	—	—	—	—	—	—	—	6:00	—	—
mm	—	—	—	5	6	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	12	12	13	13	13	13	14	14	13	12	12	12	12	13	13	13	13	12	12	12	14	17	17	16
Feels °C	4	5	5	11	11	10	8	7	8	7	8	11	10	10	9	9	8	6	5	7	9	13	14	12
Swell 1 Height (m) Direction Period (s)	WSW 12	WSW 12	SW 11	SW 11	SW 11	SW 12	SW 18	SW 16	SW 16	SW 15	SW 15	SW 14	SW 14	SW 14	SW 14	WSW 14	SW 13	SW 13	SW 13	SW 12	SW 12	SW 12	SW 12	SW 12
kJ	756	769	897	1492	1080	2032	9718	10400	9565	7905	6004	4968	4692	3889	3301	1474	2511	2340	1494	1403	1991	1897	1760	1659
Swell 2 Height (m) Direction Period (s)	S 12	SSW 12	WSW 12	NNW 6	WSW 12	SSW 19	SE 12	SE 12	SE 12	SE 12	SE 12	SE 12	SE 12	SE 12	SE 12	SSW 13	SE 11	SE 11	SSW 13	SSW 13	SE 11	SE 11	—	—
kJ	294	293	187	87	241	1242	38	37	37	37	36	35	6	5	5	1366	5	5	663	653	5	5	—	—
Swell 3 Height (m) Direction Period (s)	W 6	ESE 13	ESE 13	ESE 13	NNW 5	ESE 12	—	—	—	—	—	—	—	—	SE 12	SE 12	—	—	—	—	—	—	—	—
kJ	13	17	17	17	42	15	—	—	—	—	—	—	—	—	21	5	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	NNW 5	NNW 5	NNW 6	NNW 5	—	—	—	—	—	—	—	—	—	—	—	—	—	SE 4	SE 4	SE 4	SE 4	SE 5	SE 5	SE 5
kJ	85	138	164	49	—	—	—	—	—	—	—	—	—	—	—	—	—	14	29	37	34	25	31	40
Nearest Offshore or Glassy	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	Guyztus Point West Coast	Platboom Cape Town	Extensions Cape Town	Olifants Bos Cape Town	The Boiler Cape Town	The Boiler Cape Town	Olifants Bos Cape Town	Extensions Cape Town	Extensions Cape Town	Extensions Cape Town	Extensions Cape Town	Extensions Cape Town	Olifants Bos Cape Town	Olifants Bos Cape Town	Noordhoek Cape Town	Noordhoek Cape Town	Kakapo Cape Town	Olifants Bos Cape Town	Olifants Bos Cape Town	Olifants Bos Cape Town	Olifants Bos Cape Town	Olifants Bos Cape Town
Rating (10 max)	3	3	2	4	4	5	9	9	9	8	7	5	5	5	5	4	4	4	4	4	4	4	4	4
Distance (km)	35	35	225	1	0	12	25	25	12	0	0	0	0	0	12	12	27	27	26	12	12	12	12	12
Best forecast wave conditions in Cape Town	Monwabisi Strand	Monwabisi Strand		Danger Reef	The Hoek	Sunset	Sunset	Thermopylae	Thermopylae	Thermopylae	Sunset	Big Bay	Sollys	Sollys	Big Bay	Thermopylae	Kreefte Reef	Kreefte Reef	Kreefte Reef	Kreefte Reef	Haakgat	Kamer Van	Kreefte Reef	Kreefte Reef
Rating (10 max)	3	3		4	4	5	9	9	9	8	7	5	5	5	5	5	4	4	4	4	4	4	4	4
Best forecast wave conditions in South Africa	Fish Boma Garden Route	Fish Boma Garden Route	Haga-Haga Eastern Cape - Wild Coast	Kleinemonde Eastern Cape (S)	Super Tubes Eastern Cape (S)	Sunset Cape Town	Sunset Cape Town	Thermopylae Cape Town	Dolphin Point Overberg	Fish Boma Garden Route	Fish Boma Garden Route	Fish Boma Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Haga-Haga Eastern Cape - Wild Coast	Fish Boma Garden Route	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	Gerickes Point Garden Route	Fish Boma Garden Route	Haga-Haga Eastern Cape - Wild Coast	Haga-Haga Eastern Cape - Wild Coast
Rating (10 max)	4	4	4	4	4	5	9	9	9	9	8	7	5	5	5	5	4	4	4	4	4	4	4	4
Header Global	Point Roadnight Australia	Cobblestones Australia	Brak River South Africa	Point Roadnight Australia	Benkunqut Indonesia	Benkunqut Indonesia	Point Roadnight Australia	Point Roadnight Australia	Dolphin Point South Africa	Fish Boma South Africa	Boneyards South Africa	Boneyards South Africa	Sea Vista South Africa	Cathedral Rock Australia	Fish Boma South Africa	Boneyards South Africa	Papatowai New Zealand	Boneyards South Africa	Papatowai New Zealand	Blaketown Wedge New Zealand	Blaketown Wedge New Zealand	Cathedral Rock Australia	Raglan-Indicators New Zealand	Arawhata New Zealand
Rating (10 max)	6	4	4	7	4	4	9	9	9	9	9	9	7	9	5	5	6	5	5	5	5	5	6	5

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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Extensions 48 hour detailed Surf Forecast

How big are the waves at Extensions today (23 Jul):

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