Nine Mile Reef 48 hour detailed Surf Forecast

Lat Long: 34.07° S 18.66° E

Issued: 1 am 21 Jul 2026 (local time)

Forecast update in hr min

Today's Nine Mile Reef sea temperature is

15.3° C

Nine Mile Reef 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 Nine Mile Reef today (21 Jul):

Morning surf: Morning surf (21 Jul, local time) - 5.5ft (1.7m), 14s period with SSW swell.
Afternoon surf: Afternoon surf (21 Jul, local time) - 6ft (1.9m), 14s period with SSW swell.
Evening surf: Evening surf (21 Jul, local time) - 6ft (1.8m), 13s period with SW swell.

The current surf forecast for Nine Mile Reef at 7AM is: 1.4m 14s primary swell from a South-southwest direction and 0.3m 12s secondary swell from a Southeast direction (forecast issued at 01:00am July 21). The wind direction is predicted to be offshore and the swell rating is 3.

Time (SAST) & Date	Wave Height	Wave Period
Morning (21 Jul)	5.5ft (1.7m)	14s
Afternoon (21 Jul)	6ft (1.9m)	14s
Evening (21 Jul)	6ft (1.8m)	13s

Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)

	Short Range Forecast Mostly dry. Very mild (max 15°C on Tue afternoon, min 10°C on Wed night). Wind will be generally light.
	Tuesday 21								Wednesday 22								Thursday 23
	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)	2	3	4	4	3	2	3	2	3	3	3	3	3	3	3	3	3	3	2	3	3	4	!	!
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSW 16	SSW 15	SSW 14	SSW 14	SSW 14	SSW 13	SSW 13	SSW 13	SW 13	SW 12	SW 12	SW 12	SW 12	SSW 11	SSW 11	SSW 12	SSW 12	SW 12	SW 12	SW 11	SW 11	SSW 13	SSW 18	SSW 17
Wave Graph
kJ	259	381	1114	1376	1556	1370	1198	904	778	667	607	578	568	426	426	419	536	505	488	563	573	890	4988	5921
Wind (km/h)	N	N	NNE	WNW	SSW	S	SSE	SSE	S	N	N	NNW	NW	NW	N	N	N	N	N	N	N	N	N	NNW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	off	off	cross-off	glassy	on	on	on	on	glassy	glassy	off	cross-off	cross-off	cross-off	off	off	off	off	off	off	off	off	off	off
High Tide				8:12AM1.08m				8:35PM1.21m				9:19AM1.01m				9:42PM1.12m				10:47AM0.98m
Low Tide		2:13AM0.44m				2:07PM0.51m				3:13AM0.52m				3:11PM0.61m				4:33AM0.56m				4:45PM0.65m


	—	7:46	—	—	—	—	—	—	—	7:45	—	—	—	—	—	—	—	7:43	—	—	—	—	—	—
	—	—	—	—	—	5:57	—	—	—	—	—	—	—	5:58	—	—	—	—	—	—	—	5:59	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	13	12	12	14	15	14	13	13	12	12	11	13	15	14	13	12	11	10	11	12	13	13	14	14
Feels °C	11	10	10	14	13	12	12	12	11	11	9	11	12	11	11	9	7	6	6	8	9	10	12	13
Swell 1 Height (m) Direction Period (s)	SW 7	SSW 15	SSW 14	SSW 14	SSW 14	SSW 13	SSW 13	SSW 13	SW 13	SW 12	SW 12	SW 12	SW 12	SSW 11	SSW 11	SSW 12	SSW 12	SW 12	SW 12	SW 11	SW 11	SSW 13	SSW 18	SSW 17
kJ	54	381	1114	1376	1556	1370	1198	904	778	667	607	578	568	426	426	419	536	505	488	563	573	890	4988	5921
Swell 2 Height (m) Direction Period (s)	SSW 16	SW 7	SE 12	SE 12	SE 12	ESE 12	SE 12	SE 12	SE 12	SE 12	SE 11	SSW 14	S 14	SSW 14	S 14	SW 12	SE 14	SE 13	SE 13	SE 13	SSW 21	SSW 20	—	SE 12
kJ	259	53	21	21	22	14	5	5	5	5	5	66	106	154	134	75	8	7	7	7	45	731	—	37
Swell 3 Height (m) Direction Period (s)	SW 12	SSW 11	W 9	W 9	W 9	W 9	—	—	—	—	—	SE 11	SE 14	SE 14	SE 14	SE 14	ESE 11	SE 13	—	—	SE 13	SE 12	—	—
kJ	68	76	39	25	14	14	—	—	—	—	—	5	8	8	8	8	24	44	—	—	7	39	—	—
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	WNW 3	WNW 3	NW 3	NNW 3	NNW 3	N 4	N 4	N 4	N 4	NNW 4	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	5	3	3	3	8	16	24	19	15	5	—	—
Nearest Offshore or Glassy	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	The Hoek Cape Town	Bikini Beach (Gordon's Bay) Cape Town	Strand (Pipe) Cape Town	Monwabisi Strand Cape Town	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	Nine Mile Reef Cape Town	Muizenberg Cape Town	Strand (Pipe) Cape Town
Rating (10 max)	2	3	4	4	4	2	4	3	3	3	3	3	3	3	3	3	3	3	2	3	3	4	5	6
Distance (km)	0	0	0	0	29	21	16	12	0	0	0	0	0	0	0	0	0	0	0	0	0	0	18	16
Best forecast wave conditions in Cape Town	Thermopylae	Kreefte Reef	Van Riebeek	Hout Bay	Kamer Van	Kamer Van	Haakgat	Kreefte Reef	Kreefte Reef	Kreefte Reef	Kreefte Reef	Platboom	Platboom	Platboom	Hout Bay	Van Riebeek	Kreefte Reef	Monwabisi Strand	Van Riebeek	Bloubergstrand	Blouberg	Tweede Steen	Platboom	Bloubergstrand
Rating (10 max)	3	3	4	4	4	4	4	4	4	4	4	4	4	4	3	4	4	3	4	4	4	4	9	9
Best forecast wave conditions in South Africa	Haga-Haga Eastern Cape - Wild Coast	Fish Boma Garden Route	Haga-Haga Eastern Cape - Wild Coast	Haga-Haga Eastern Cape - Wild Coast	Gerickes Point Garden Route	Gerickes Point Garden Route	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	Hamburg (Port Alfred) Eastern Cape (S)	Kleinemonde Eastern Cape (S)	Haga-Haga Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	Kleinemonde Eastern Cape (S)	Fish Boma Garden Route	Fish Boma Garden Route	Haga-Haga Eastern Cape - Wild Coast	J-Bay Eastern Cape (S)	Gourits Mouth Overberg	Whispering Waves Eastern Cape - Wild Coast	Platboom Cape Town	Dolphin Point Overberg
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	4	4	4	4	4	5	4	9	9
Header Global	Purakaunui Bay New Zealand	Purakaunui Bay New Zealand	Asu Indonesia	Asu Indonesia	Aganoa Beach Samoa	Chameau Mauritius	Sea Vista South Africa	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Gas Bay Australia	Injidup Carpark Australia	Gas Bay Australia	Viri Inga O Tuki Chile	Cathedral Rock Australia	Viri Inga O Tuki Chile	Point Roadnight Australia	Boulders Samoa	Cobblestones Australia	Brak River South Africa	Benkunqut Indonesia	Barbel Point South Africa	Dolphin Point South Africa	Dolphin Point South Africa
Rating (10 max)	5	5	4	4	4	4	5	5	5	6	6	5	5	8	9	6	6	4	4	4	4	4	5	9

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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Nine Mile Reef 48 hour detailed Surf Forecast

How big are the waves at Nine Mile Reef today (21 Jul):

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