Arniston Surf Forecast

/ Overberg (23 surf breaks) /

South Africa (276 surf breaks)

Surf Forecasts:

Arniston surfForecast / Overberg / South Africa

48hr Weather and Surf, issued 1 am Tuesday 19 May 2026 SAST

Forecast update in hr min s Forecast update imminent

Arniston surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Arniston sea temperature is 17.1° C
(Which is normal for this time of year)

How big are the waves at Arniston today?

The current surf forecast for Arniston at 6AM is: 3.0m 8s primary swell from a Southeast direction and 0.6m 13s secondary swell from a Southwest direction, 0.3m 12s secondary swell from a South-southwest direction (forecast issued at 01:00am May 19). The wind direction is predicted to be onshore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (19 May)	8ft (2.4m)	8s
Afternoon (19 May)	10ft (3.0m)	8s
Evening (19 May)	10ft (3.0m)	8s

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

Updates in hr min s Forecast update imminent

	Short Range Forecast Light rain (total 9mm), mostly falling on Tue morning. Warm (max 20°C on Thu afternoon, min 16°C on Wed night). Winds decreasing (strong winds from the E on Tue night, calm by Thu morning).
	Tuesday 19								Wednesday 20								Thursday 21
	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	0	0	0	0	0	0	0	0	0	0	0	0	0	0	!	!	!	2	1	2	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SE 8	SE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	E 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 8
Wave Graph
kJ	637	960	555	972	1067	1299	1284	1363	1668	1847	1739	1490	1575	1397	1149	1230	1317	1361	851	697	637	493	433	354
Wind (km/h)	E	ESE	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	ENE	NNW	W	WSW	WSW	WSW	W
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	on	on	on	cross-on	cross-on	on	cross-on	cross-on	on	cross-on	cross-on	cross-on	cross-on	on	cross-on	on	cross-on	cross-on	glassy	cross-off	cross-off	cross-off	cross-off	off
High Tide		4:40AM1.88m					5:14PM1.77m				5:30AM1.73m				6:07PM1.67m				6:25AM1.56m				7:07PM1.57m
Low Tide					11:01AM0.12m				11:23PM0.30m				11:50AM0.25m				00:21AM0.42m				12:45PM0.38m


	—	7:28	—	—	—	—	—	—	—	7:28	—	—	—	—	—	—	—	7:28	—	—	—	—	—	—
	—	—	—	—	—	5:42	—	—	—	—	—	—	—	5:40	—	—	—	—	—	—	—	5:40	—	—
mm	1	1	—	2	2	1	2	1	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	17	16	17	18	17	17	17	17	17	17	17	17	18	18	17	17	17	16	16	18	20	18	17	16
Feels °C	11	10	12	13	11	11	11	10	10	10	11	12	12	12	12	12	14	16	16	17	17	14	14	14
Swell 1 Height (m) Direction Period (s)	SW 12	SW 13	SSE 8	SW 13	SW 13	SW 13	SW 13	SSE 13	SSE 13	SSE 12	SW 12	SSE 12	SW 12	SW 12	SSW 15	SW 14	SSW 14	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 8
kJ	96	142	306	113	111	108	60	113	106	103	37	88	23	22	42	53	78	1097	851	697	637	493	433	354
Swell 2 Height (m) Direction Period (s)	SSW 12	SSW 12	SW 14	SE 15	SSE 14	SSE 14	SSE 14	SW 13	SW 13	SW 12	S 17	SW 12	SSW 16	SSW 15	SW 12	SSW 14	SW 11	SSW 14	SSW 13	SSW 13	SW 13	SW 12	SW 12	SW 12
kJ	60	27	116	56	78	73	71	59	57	53	5	23	24	21	21	80	30	71	69	67	40	37	37	37
Swell 3 Height (m) Direction Period (s)	SSE 16	SSE 16	SSW 11	SSW 11	SSW 10	SSW 10	SSW 10	SSW 9	SSW 9	SSW 9	SSW 9	S 16	SSW 15	SSW 15	SW 14	SW 11	SE 11	SSE 11	SSE 11	SE 11	SW 21	SSW 20	SSW 20	SSW 19
kJ	26	25	23	23	21	9	19	17	16	27	16	20	23	43	54	30	33	13	12	5	18	38	75	74
Wind waves Height (m) Direction Period (s)	SE 8	SE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	E 9	—	—	W 3	WSW 3	WSW 3	WSW 3
kJ	637	960	555	972	1067	1299	1284	1363	1668	1847	1739	1490	1575	1397	1149	1230	1317	1361	—	—	2	3	2	3
Nearest Offshore or Glassy	Strand (Pipe) Cape Town	Dumps Cape Town	Dumps Cape Town	Koeel Bay Overberg	Koeel Bay Overberg	Koeel Bay Overberg	De Kelders Overberg	Koeel Bay Overberg	Koeel Bay Overberg	Koeel Bay Overberg	Paranoia Overberg	Moonlight Bay Overberg	Moonlight Bay Overberg	Hawston Overberg	De Kelders Overberg	De Kelders Overberg	De Kelders Overberg	Cape Infanta Overberg	Struisbaai Overberg	Struisbaai Overberg	Cape Infanta Overberg	Struisbaai Overberg	Struisbaai Overberg	Arniston Overberg
Rating (10 max)	3	2	2	3	4	2	3	2	2	2	2	3	3	2	1	1	1	4	1	1	2	1	1	2
Distance (km)	144	184	184	140	140	140	81	140	140	140	137	137	137	107	81	81	81	65	19	19	65	19	19	0
Best forecast wave conditions in Overberg				Koeel Bay	Koeel Bay	Koeel Bay	Koeel Bay	Koeel Bay	Koeel Bay	Koeel Bay	Koeel Bay	Koeel Bay	Koeel Bay	Koeel Bay	Koeel Bay	Gansbaai	Pringle Bay	Cape Infanta	Jongensfontein	Vleesbaai	Vleesbaai	Cape Infanta	Dolphin Point	Dolphin Point
Rating (10 max)				3	4	2	3	2	2	2	2	3	3	3	3	2	2	4	3	3	3	2	3	3
Best forecast wave conditions in South Africa	Hell West Coast	Vredenberg Point West Coast	Vredenberg Point West Coast	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Goukamma River Mouth Garden Route	Herolds Bay Garden Route	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Vleesbaai Overberg	Van Stadens Mouth Eastern Cape (S)	Sea Vista Eastern Cape (S)	Haga-Haga Eastern Cape - Wild Coast
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	3	4	4	4	4	4	4	4	4	3	4	4	3
Header Global	Back Bommie Australia	Avalon-North Australia	Black Rock Australia	Bankvaults Indonesia	Bankvaults Indonesia	Bali Village Indonesia	Bali Village Indonesia	Boneyard Australia	Cavalos de Fao Portugal	Cavalos de Fao Portugal	Crazy Left Portugal	Arrifana Portugal	Canal Brazil	Arrifana Portugal	Trial Harbour Australia	Trial Harbour Australia	Afife Portugal	Anglet - Corsaires France	Lambe Lambe Brazil	Cathedral Rock Australia	Dunedin - Bobs Beach New Zealand	Bali Village Indonesia	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand
Rating (10 max)	4	4	4	4	4	4	4	5	5	5	5	4	5	4	5	5	4	4	5	4	4	4	4	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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Arniston Surf Forecast

Arniston surfForecast / Overberg / South Africa

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