Dias Beach 48 hour detailed Surf Forecast

Lat Long: 34.35° S 18.49° E

Issued: 1 pm 18 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 (18 Sep):

Morning surf: Morning surf (18 Sep, local time) - 6ft (1.9m), 11s period with SW swell.
Afternoon surf: Afternoon surf (18 Sep, local time) - 6ft (1.8m), 13s period with SW swell.
Evening surf: Evening surf (18 Sep, local time) - 5.5ft (1.7m), 13s period with SW swell.

The current surf forecast for Dias Beach at 6PM is: 1.8m 13s primary swell from a Southwest direction and 0.3m 18s secondary swell from a Southwest direction, 2.5m 7s secondary swell from a East-southeast direction (forecast issued at 01:00pm September 18). The wind direction is predicted to be cross-shore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (18 Sep)	6ft (1.9m)	11s
Afternoon (18 Sep)	6ft (1.8m)	13s
Evening (18 Sep)	5.5ft (1.7m)	13s

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

	Short Range Forecast Mostly dry. Warm (max 20°C on Sun afternoon, min 12°C on Sat morning). Winds decreasing (near gales from the ESE on Fri afternoon, moderate winds from the ESE by Mon morning).
	Fri 18					Saturday 19								Sunday 20
	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	1	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 11	SW 13	SW 13	SW 13	SW 13	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
Wave Graph
kJ	898	1109	1109	932	917	798	785	772	433	466	1255	1754	1977	1933	1804	1479	1401	1198	998	900	784
Wind (km/h)	ESE	SE	ESE	ESE	ESE	ESE	SE	ESE	SE	SE	SE	SE	SE	ESE	ESE	ESE	SE	SE	SE	SE	ESE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross-on	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross
High Tide				7:26PM1.01m					8:42AM0.91m				9:33PM0.93m					11:22AM0.95m
Low Tide		1:00PM0.63m				1:59AM0.64m					2:48PM0.73m				4:46AM0.66m					5:46PM0.68m


	—	—	—	—	—	—	6:39	—	—	—	—	—	—	—	6:39	—	—	—	—	—	—
	—	—	6:38	—	—	—	—	—	—	—	6:38	—	—	—	—	—	—	—	6:39	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	14	16	16	14	13	13	13	12	15	16	16	16	15	15	15	15	18	20	19	18	16
Feels °C	4	5	4	4	4	6	7	5	8	8	6	7	7	8	9	9	13	14	11	11	9
Swell 1 Height (m) Direction Period (s)	SW 11	SW 13	SW 13	SW 13	SW 13	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
kJ	898	1109	1109	932	917	798	785	772	433	448	1255	1754	1977	1933	1804	1479	1401	1198	998	900	784
Swell 2 Height (m) Direction Period (s)	SW 14	SW 20	WSW 18	SW 18	WSW 18	SW 16	SW 16	—	SW 14	SW 14	—	—	—	—	—	—	—	—	—	—	—
kJ	245	15	31	49	31	127	127	—	412	466	—	—	—	—	—	—	—	—	—	—	—
Swell 3 Height (m) Direction Period (s)	SW 20	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	15	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	ESE 6	SE 6	ESE 7	ESE 7	ESE 7	ESE 7	ESE 7	ESE 7	ESE 6	SE 6	SE 7	ESE 6	ESE 6	ESE 6	SE 6	ESE 6	SE 6	SE 6	SE 7	ESE 7	ESE 6
kJ	293	376	537	610	569	515	479	479	357	337	476	406	335	299	341	299	275	310	476	465	335
Nearest Offshore or Glassy	Kamer Van Cape Town	Milnerton Cape Town	Dumps Cape Town	Sandy Bay Cape Town	Koeel Bay Overberg	Dunes Cape Town	Dunes Cape Town	Boneyards Cape Town	Noordhoek Cape Town	Koeel Bay Overberg	Beach Road Cape Town	Bikini Beach (Gordon's Bay) Cape Town	Bikini Beach (Gordon's Bay) Cape Town	Koeel Bay Overberg	The Hoek Cape Town	Dunes Cape Town	Inner Kom Cape Town	Noordhoek Cape Town	Koeel Bay Overberg	Queens Cape Town	Strand (Pipe) Cape Town
Rating (10 max)	3	3	3	3	2	3	3	3	4	2	3	1	1	3	4	4	3	4	2	4	2
Distance (km)	62	56	52	39	35	29	29	29	29	35	68	39	39	35	32	29	28	29	35	49	41
Best forecast wave conditions in Cape Town	Beach Road	Beach Road	Captains	Beach Road	Off The Wall	Sunset	Sunset	Sunset	Noordhoek	Captains	Beach Road	Beach Road	Beach Road	Beach Road	Kreefte Reef	Kreefte Reef	Kreefte Reef	Beach Road	Kamer Van	Off The Wall	Kreefte Reef
Rating (10 max)	3	3	4	4	4	4	4	4	4	3	3	4	4	4	4	4	4	4	3	4	3
Best forecast wave conditions in South Africa	Doring Bay West Coast	Pastures West Coast	Gerickes Point Garden Route	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Queensberry Bay Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Haga-Haga Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Haga-Haga Eastern Cape - Wild Coast	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Haga-Haga Eastern Cape - Wild Coast	Yellow sands Point Eastern Cape - Wild Coast	Gerickes Point Garden Route	Gerickes Point Garden Route	Goukamma River Mouth Garden Route	Fish Boma Garden Route
Rating (10 max)	3	3	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Header Global	Afife Portugal	Asu Indonesia	Brims Ness United Kingdom	El Huerto Spain	El Huerto Spain	Cathedral Rock Australia	Afife Portugal	Fairhaven Australia	Kaifu Rivermouth Japan	Trial Harbour Australia	Trial Harbour Australia	Easter Reef Australia	Asu Indonesia	Asu Indonesia	Noises Australia	Dunedin - Bobs Beach New Zealand	Papatowai New Zealand	Papatowai New Zealand	Mangahume New Zealand	Shipwrecks Bay-Peaks New Zealand	Shipwrecks Bay-Peaks New Zealand
Rating (10 max)	4	4	5	5	5	5	4	5	5	8	8	5	4	4	5	9	9	9	8	8	8

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 (18 Sep):

Short Range Forecast

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