Dias Beach 48 hour detailed Surf Forecast

Lat Long: 34.35° S 18.49° E

Issued: 1 am 19 Sep 2026 (local time)

Forecast update in hr min

Today's Dias Beach sea temperature is

14.2°C

Dias Beach 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 Dias Beach today (19 Sep):

Morning surf: Morning surf (19 Sep, local time) - 5ft (1.5m), 12s period with SW swell.
Afternoon surf: Afternoon surf (19 Sep, local time) - 4.5ft (1.3m), 12s period with SW swell.
Evening surf: Evening surf (19 Sep, local time) - 7ft (2.2m), 14s period with SW swell.

The current surf forecast for Dias Beach at 7AM is: 1.6m 12s primary swell from a Southwest direction and 0.5m 16s secondary swell from a Southwest direction, 2.1m 6s secondary swell from a East-southeast direction (forecast issued at 01:00am September 19). The wind direction is predicted to be cross-shore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (19 Sep)	5ft (1.5m)	12s
Afternoon (19 Sep)	4.5ft (1.3m)	12s
Evening (19 Sep)	7ft (2.2m)	14s

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

	Short Range Forecast Mostly dry. Warm (max 24°C on Mon afternoon, min 13°C on Sat morning). Winds decreasing (near gales from the SE on Sat afternoon, light winds from the NW by Mon night).
	Saturday 19								Sunday 20								Monday 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	1	0	0	0	0	0	0	1	1	1	0	0	0	0	0	0	0	0	1	0	0	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 12	SW 12	SW 12	SW 12	SW 12	SW 14	SW 14	SW 14	SW 13	SW 13	SW 13	WSW 13	WSW 13	WSW 13	WSW 13	WSW 12	WSW 12	WSW 12	WSW 12	WSW 12	WSW 12	WSW 11	WSW 11	SW 11
Wave Graph
kJ	798	785	772	425	466	1255	1754	2006	1933	1804	1479	1401	1180	1100	953	784	680	545	536	472	464	341	329	314
Wind (km/h)	ESE	SE	ESE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	SE	SE	SE	SE	SE	SE	ESE	ESE	ESE	SE	SE	ESE	E
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross	cross	cross	cross-on	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross-off
High Tide				8:42AM0.91m				9:33PM0.93m					11:22AM0.95m				11:39PM0.99m				12:27PM1.07m
Low Tide	1:59AM0.64m					2:48PM0.73m				4:46AM0.66m					5:46PM0.68m				6:12AM0.56m				6:42PM0.56m


	—	6:39	—	—	—	—	—	—	—	6:39	—	—	—	—	—	—	—	6:37	—	—	—	—	—	—
	—	—	—	—	—	6:38	—	—	—	—	—	—	—	6:39	—	—	—	—	—	—	—	6:40	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	12	12	13	15	16	16	16	15	15	15	15	18	21	18	18	17	16	16	17	19	24	24	24	22
Feels °C	5	6	7	9	8	7	8	8	8	9	9	14	15	11	10	11	10	11	12	15	21	21	22	21
Swell 1 Height (m) Direction Period (s)	SW 12	SW 12	SW 12	SW 12	SW 12	SW 14	SW 14	SW 14	SW 13	SW 13	SW 13	WSW 13	WSW 13	WSW 13	WSW 13	WSW 12	WSW 12	WSW 12	WSW 12	WSW 12	WSW 12	WSW 11	WSW 11	SW 11
kJ	798	785	772	425	448	1255	1754	2006	1933	1804	1479	1401	1180	1100	953	784	680	545	536	472	464	341	329	314
Swell 2 Height (m) Direction Period (s)	SW 16	SW 16	—	SW 14	SW 14	—	—	—	—	—	—	—	—	—	—	—	—	—	—	SSW 15	SSW 15	SSW 15	SW 15	SW 14
kJ	127	127	—	412	466	—	—	—	—	—	—	—	—	—	—	—	—	—	—	46	88	146	217	211
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	ESE 7	ESE 6	ESE 6	ESE 6	SE 6	SE 7	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	SE 6	SE 6	SE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6
kJ	459	303	341	268	337	421	406	325	325	299	299	251	260	320	364	299	299	251	251	251	196	209	176	128
Nearest Offshore or Glassy	Dunes Cape Town	Dunes Cape Town	Inner Kom Cape Town	Noordhoek Cape Town	The Hoek Cape Town	Baboon Point West Coast	Bikini Beach (Gordon's Bay) Cape Town	Bikini Beach (Gordon's Bay) Cape Town	The Hoek Cape Town	Boneyards Cape Town	Inner Kom Cape Town	Olifants Bos Cape Town	Noordhoek Cape Town	Donkin Bay West Coast	Koeel Bay Overberg	Koeel Bay Overberg	Dunes Cape Town	Inner Kom Cape Town	Inner Kom Cape Town	Olifants Bos Cape Town	Olifants Bos Cape Town	Olifants Bos Cape Town	Olifants Bos Cape Town	Underwater Point Cape Town
Rating (10 max)	3	3	3	3	3	2	1	1	4	4	4	4	4	3	2	1	3	2	2	3	3	2	3	3
Distance (km)	29	29	28	29	32	225	39	39	32	29	28	15	29	283	35	35	29	28	28	15	15	15	15	2
Best forecast wave conditions in Cape Town	Sunset	Van Riebeek	Sunset	Captains	Captains		Kreefte Reef	Beach Road	Kreefte Reef	Kreefte Reef	Kreefte Reef	Captains	The Hoek		Captains	Kreefte Reef	Kreefte Reef	Van Riebeek	Van Riebeek	Van Riebeek	The Hoek	The Hoek	The Hoek	The Hoek
Rating (10 max)	4	4	4	3	3		4	4	4	4	4	4	4		3	3	3	3	3	3	3	3	3	3
Best forecast wave conditions in South Africa	Haga-Haga Eastern Cape - Wild Coast	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Queensberry Bay Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Morgans Bay Eastern Cape - Wild Coast	Kromme Rivermouth Eastern Cape (S)	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Haga-Haga Eastern Cape - Wild Coast	Haga-Haga Eastern Cape - Wild Coast	Gerickes Point Garden Route	Gerickes Point Garden Route	Haga-Haga Eastern Cape - Wild Coast	Goukamma River Mouth Garden Route	Haga-Haga Eastern Cape - Wild Coast	Haga-Haga Eastern Cape - Wild Coast	Fish Boma Garden Route	Sea Vista Eastern Cape (S)	The Hoek Cape Town	Gerickes Point Garden Route	Gerickes Point Garden Route	Goukamma River Mouth Garden Route
Rating (10 max)	4	4	4	4	3	3	4	4	4	4	4	4	4	4	4	4	3	3	3	4	3	3	3	3
Header Global	Cathedral Rock Australia	Shingles New Zealand	Afife Portugal	Kaifu Rivermouth Japan	Trial Harbour Australia	Trial Harbour Australia	Easter Reef Australia	Asu Indonesia	Noises Australia	Asu Indonesia	Dunedin - Bobs Beach New Zealand	Papatowai New Zealand	Papatowai New Zealand	Shipwrecks Bay-Peaks New Zealand	Shipwrecks Bay-Peaks New Zealand	Shipwreck Bay-Supertubes New Zealand	Cyclops Australia	Cyclops Australia	Shipwrecks Bay-Peaks New Zealand	Ahijedero Mexico	Ahijedero Mexico	Ouano Lefts New Caledonia	Ouano Lefts New Caledonia	Easter Reef Australia
Rating (10 max)	5	5	4	5	8	8	5	4	5	4	5	9	9	7	8	8	5	5	5	4	4	6	6	9

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

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Dias Beach 48 hour detailed Surf Forecast

How big are the waves at Dias Beach today (19 Sep):

Short Range Forecast

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