Arniston 48 hour detailed Surf Forecast

Lat Long: 34.69° S 20.23° E

Issued: 7 am 31 Oct 2026 (local time)

Forecast update in hr min

Today's Arniston sea temperature is

18.4°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 (31 Oct):

Morning surf: Morning surf (31 Oct, local time) - 3ft (0.9m), 9s period with ESE swell.
Afternoon surf: Afternoon surf (31 Oct, local time) - 2.5ft (0.8m), 9s period with ESE swell.
Evening surf: Evening surf (31 Oct, local time) - 2.5ft (0.7m), 10s period with ESE swell.

The current surf forecast for Arniston at 2PM is: 0.6m 12s primary swell from a West-southwest direction and 0.8m 9s secondary swell from a East-southeast direction (forecast issued at 07:00am October 31). The wind direction is predicted to be cross-onshore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (31 Oct)	3ft (0.9m)	9s
Afternoon (31 Oct)	2.5ft (0.8m)	9s
Evening (31 Oct)	2.5ft (0.7m)	10s

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

	Short Range Forecast Mostly dry. Warm (max 20°C on Sat afternoon, min 16°C on Sat night). Wind will be generally light.
	Saturday 31							Sunday 1								Monday 2
	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)	1	1	1	0	0	0	0	1	1	1	1	0	0	0	0	0	1	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 12	ESE 9	ESE 9	ESE 9	ESE 10	ESE 10	SW 13	SW 14	SW 14	SW 14	SW 14	SW 13	SW 13	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	S 12	SW 12	SSW 11	SSW 11
Wave Graph
kJ	142	113	113	98	80	83	253	384	521	521	492	388	239	220	403	359	353	380	494	535	137	320	190
Wind (km/h)	S	S	S	S	SSW	S	S	SSW	SSW	SSW	SSW	S	S	SE	SE	SE	SE	SE	SSE	SSE	SE	ESE	ESE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross-on	cross-on	cross-on	cross	cross	cross	cross	cross	cross	cross	cross	cross-on	cross-on	cross-on	cross-on	cross-on	on	cross-on	cross-on	cross-on	on	on
High Tide		6:34AM1.51m				6:57PM1.43m				7:54AM1.41m					8:31PM1.29m				9:38AM1.40m				10:23PM1.29m
Low Tide				12:46PM0.56m				1:22AM0.54m					2:23PM0.67m				3:00AM0.62m				4:20PM0.65m


	5:39	—	—	—	—	—	—	—	5:37	—	—	—	—	—	—	—	5:35	—	—	—	—	—	—
	—	—	—	—	7:06	—	—	—	—	—	—	—	7:07	—	—	—	—	—	—	—	7:07	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	18	18	19	20	20	18	17	16	17	17	18	17	17	17	17	17	16	17	17	17	17	17	17
Feels °C	19	19	20	20	17	16	14	13	13	14	15	13	13	15	15	16	15	16	14	14	14	15	15
Swell 1 Height (m) Direction Period (s)	ESE 9	ESE 9	ESE 9	ESE 9	ESE 10	ESE 10	SW 13	SW 14	SW 14	SW 14	SW 14	SW 13	SW 13	SSW 12	SSW 12	SSW 12	SSW 12	SSW 12	ESE 11	E 10	SW 12	SSW 11	SSW 11
kJ	119	113	113	94	80	83	253	384	521	521	492	388	239	220	403	359	353	380	44	54	137	320	190
Swell 2 Height (m) Direction Period (s)	SW 12	WSW 12	WSW 12	WSW 12	WSW 12	E 8	ESE 10	E 8	ESE 10	ESE 10	ESE 10	ESE 9	SSW 13	SW 13	ESE 8	ESE 9	E 9	ESE 11	E 7	E 10	ESE 10	ESE 10	ESE 10
kJ	142	94	91	98	75	33	51	43	52	36	35	35	129	163	22	16	13	47	4	54	34	33	33
Swell 3 Height (m) Direction Period (s)	SSW 11	SSW 11	SSW 11	SW 10	E 8	SW 10	E 8	ESE 10	E 8	E 8	E 8	E 8	E 8	ESE 9	ESE 9	E 8	ESE 9	E 7	—	—	—	—	SSW 15
kJ	48	47	47	54	31	49	32	52	34	19	22	22	12	33	16	12	17	4	—	—	—	—	21
Wind waves Height (m) Direction Period (s)	—	—	—	—	SSW 6	S 5	S 5	S 5	S 5	S 5	S 5	S 5	SE 9	—	—	—	—	—	SSW 12	S 12	SSE 5	ESE 4	SE 5
kJ	—	—	—	—	13	25	40	38	38	31	23	16	68	—	—	—	—	—	494	535	77	16	35
Nearest Offshore or Glassy	Cape Infanta Overberg	De Kelders Overberg	De Kelders Overberg	Ding Dangs Garden Route	Ding Dangs Garden Route	Jongensfontein Overberg	Dolphin Point Overberg	De Kelders Overberg	Bikini Beach (Gordon's Bay) Cape Town	Pringle Bay Overberg	Pringle Bay Overberg	Ding Dangs Garden Route	Gourits Mouth Overberg	De Kelders Overberg	De Kelders Overberg	De Kelders Overberg	De Kelders Overberg	De Kelders Overberg	Ding Dangs Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Hawston Overberg	De Kelders Overberg
Rating (10 max)	1	3	3	1	1	2	2	4	1	3	3	2	3	4	3	3	3	3	1	3	3	3	3
Distance (km)	65	81	81	183	183	105	113	81	139	135	135	183	156	81	81	81	81	81	183	246	246	107	81
Best forecast wave conditions in Overberg	Dolphin Point	Dolphin Point	Gansbaai			Dolphin Point	Vleesbaai	Gansbaai		Pringle Bay	Pringle Bay		Gourits Mouth	Hawston	Gourits Mouth	Gourits Mouth	Dolphin Point	Dolphin Point				Hawston	Hawston
Rating (10 max)	3	3	3			2	2	4		3	3		3	4	3	3	3	3				3	3
Best forecast wave conditions in South Africa	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Gansbaai Overberg	Whispering Waves Eastern Cape - Wild Coast	Gerickes Point Garden Route	Periwinkles Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Kamer Van Cape Town	Country Club (African Beach) Durban/KZN South	Kromme Rivermouth Eastern Cape (S)	Brak River Garden Route	Hullets Reef Eastern Cape (S)	Leftovers Eastern Cape (S)	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Sea Vista Eastern Cape (S)	Sea Vista Eastern Cape (S)	Sea Vista Eastern Cape (S)	Gerickes Point Garden Route	Gerickes Point Garden Route	Fish Boma Garden Route	Goukamma River Mouth Garden Route
Rating (10 max)	4	4	3	1	2	3	3	4	3	3	3	3	4	4	4	4	4	4	3	3	3	3	3
Header Global	Papatowai New Zealand	Papatowai New Zealand	Ouano Lefts New Caledonia	St Vincent Left New Caledonia	Achadas Da Cruz Portugal	Niyodo Rivermouth Japan	Nunoshima Japan	Kaiser's (Hachijojima Island) Japan	Niyodo Rivermouth Japan	Afife Portugal	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Malaking Gasang (Baler) Philippines	Trial Harbour Australia	Boat Basin Lefts Guam	Ahijedero Mexico	Ahijedero Mexico	Lincoln City Nelscott Reef United States	Lebu Chile	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States
Rating (10 max)	5	5	5	5	4	5	5	5	5	4	4	4	4	4	5	4	4	4	5	5	5	5	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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Arniston 48 hour detailed Surf Forecast

How big are the waves at Arniston today (31 Oct):

Short Range Forecast

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