Arniston 48 hour detailed Surf Forecast

Lat Long: 34.69° S 20.23° E

Issued: 1 am 08 Jul 2026 (local time)

Forecast update in hr min

Today's Arniston sea temperature is

16.3° C

Arniston 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 Arniston today (08 Jul):

Morning surf: Morning surf (08 Jul, local time) - 4.5ft (1.3m), 13s period with SW swell.
Afternoon surf: Afternoon surf (08 Jul, local time) - 5ft (1.5m), 16s period with SSW swell.
Evening surf: Evening surf (08 Jul, local time) - 6ft (1.9m), 16s period with SSW swell.

The current surf forecast for Arniston at 9AM is: 1.3m 13s primary swell from a Southwest direction and 0.7m 18s secondary swell from a South-southwest direction (forecast issued at 01:00am July 08). The wind direction is predicted to be offshore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (08 Jul)	4.5ft (1.3m)	13s
Afternoon (08 Jul)	5ft (1.5m)	16s
Evening (08 Jul)	6ft (1.9m)	16s

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

	Short Range Forecast Light rain (total 2mm), mostly falling on Wed afternoon. Very mild (max 16°C on Wed morning, min 12°C on Wed night). Wind will be generally light.
	Wednesday 8								Thursday 9								Friday 10
	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)	3	3	3	1	2	2	1	2	3	!	!	!	!	!	!	!	!	!	!	!	!	!	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 13	SW 13	SW 13	SW 12	SW 16	SSW 16	SSW 16	SSW 15	SSW 11	SSW 14	SSW 14	SSW 14	SSW 14	SSW 13	SSW 14	SSW 14	SSW 14	SSW 13	S 13	S 13	S 13	S 13	S 12	S 12
Wave Graph
kJ	711	689	585	502	1110	1606	1728	1907	711	1939	1859	1581	1541	1474	1819	2009	1980	1951	1890	1708	1682	1609	1495	1436
Wind (km/h)	NW	WNW	WNW	W	S	S	SSE	S	S	S	SSE	ESE	SE	SE	E	ESE	ENE	NE	E	E	ESE	ESE	ESE	ESE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	off	off	cross-off	cross	cross	cross-on	cross-on	cross-on	cross-on	cross-on	on	on	on	on	on	glassy	glassy	cross-on	cross-on	on	on	on	on
High Tide				8:51AM1.32m				9:23PM1.54m				10:19AM1.31m				10:45PM1.55m					11:45AM1.37m
Low Tide		2:44AM0.52m				2:46PM0.58m				4:02AM0.52m				4:09PM0.62m					5:26AM0.46m				5:39PM0.58m


	—	7:46	—	—	—	—	—	—	—	7:46	—	—	—	—	—	—	—	7:45	—	—	—	—	—	—
	—	—	—	—	—	5:42	—	—	—	—	—	—	—	5:42	—	—	—	—	—	—	—	5:43	—	—
mm	—	—	—	—	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	15	14	14	16	15	14	14	13	13	12	12	12	13	13	13	13	13	12	13	13	15	15	15	15
Feels °C	13	12	11	12	12	11	10	10	10	10	10	9	11	10	11	11	12	11	11	10	11	11	11	10
Swell 1 Height (m) Direction Period (s)	SW 13	SW 13	SW 13	SW 12	SW 16	SSW 16	SSW 16	SSW 15	SSW 11	SSW 14	SSW 14	SSW 14	SSW 14	SSW 13	SSW 14	SSW 14	SSW 14	SSW 13	S 13	S 13	S 13	S 13	S 12	S 12
kJ	711	689	585	502	1110	1606	1728	1907	711	1939	1859	1581	1541	1474	1819	2009	1980	1951	1890	1708	1682	1609	1495	1436
Swell 2 Height (m) Direction Period (s)	ESE 10	SSW 18	SSW 18	SW 18	ESE 10	ESE 10	ESE 10	ESE 10	SSW 15	ESE 10	ESE 10	ESE 10	E 10	E 10	SE 16	SE 16	SE 15	SE 15	SE 14	—	E 14	E 14	W 13	W 13
kJ	39	134	182	312	19	19	9	9	544	9	9	10	2	2	10	9	9	9	8	—	4	4	31	3
Swell 3 Height (m) Direction Period (s)	SW 20	ESE 10	SE 10	ESE 10	ESE 10	ESE 10	ESE 10	E 10	ESE 10	E 10	S 18	—	—	S 16	SE 16	—	—	—	—	—	—	—	—	—
kJ	98	39	25	19	19	19	19	2	9	2	6	—	—	5	10	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	—	—	—	W 5	WSW 3	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	34	7	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Arniston Overberg	Arniston Overberg	Arniston Overberg	Onrus Overberg	Onrus Overberg	Pringle Bay Overberg	De Kelders Overberg	De Kelders Overberg	De Kelders Overberg	Gansbaai Overberg	De Kelders Overberg	De Kelders Overberg	De Kelders Overberg	Bikini Beach (Gordon's Bay) Cape Town	De Kelders Overberg	Gansbaai Overberg	Pearly Beach Overberg	Pearly Beach Overberg	De Kelders Overberg	De Kelders Overberg	De Kelders Overberg	De Kelders Overberg	De Kelders Overberg	De Kelders Overberg
Rating (10 max)	3	3	3	4	4	4	5	5	5	4	4	4	4	2	4	4	4	4	4	4	4	4	4	4
Distance (km)	0	0	0	103	103	135	81	81	81	83	81	81	81	139	81	83	76	76	81	81	81	81	81	81
Best forecast wave conditions in Overberg	Dolphin Point	Dolphin Point	Dolphin Point	Dolphin Point	Dolphin Point	Pringle Bay	Gansbaai	Dolphin Point	Dolphin Point	Dolphin Point	Dolphin Point	Koeel Bay	Koeel Bay	Koeel Bay	Dolphin Point	Dolphin Point	Dolphin Point	Dolphin Point	Dolphin Point	Vleesbaai	Koeel Bay	Vleesbaai	Vleesbaai	Gansbaai
Rating (10 max)	4	4	4	4	4	4	5	5	5	5	5	4	4	3	5	5	5	5	5	4	4	4	4	4
Best forecast wave conditions in South Africa	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Hout Bay Cape Town	Heaven West Coast	Heaven West Coast	Magna Tubes Eastern Cape (S)	Magna Tubes Eastern Cape (S)	Millars Point Eastern Cape (S)	Whispering Waves Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	Whispering Waves Eastern Cape - Wild Coast	Koeel Bay Overberg	Fish Boma Garden Route	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	Fish Boma Garden Route	Yellow sands Point Eastern Cape - Wild Coast	Haga-Haga Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast
Rating (10 max)	4	4	4	4	4	4	5	7	5	6	7	6	4	5	5	5	5	5	5	5	5	5	5	4
Header Global	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Moning Philippines	Lucky Point Philippines	Lucky Point Philippines	Lucky Point Philippines	Lucky Point Philippines	Lucky Point Philippines	Lucky Point Philippines	Barbel Point South Africa	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	Boneyards South Africa	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan
Rating (10 max)	9	9	8	7	6	8	9	9	9	9	8	6	6	6	6	6	5	5	5	6	5	9	8	8

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)

Latest Updates

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Arniston 48 hour detailed Surf Forecast

How big are the waves at Arniston today (08 Jul):

Short Range Forecast

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