Dias Beach 48 hour detailed Surf Forecast

Lat Long: 34.12° S 22.12° E

Issued: 7 am 18 Sep 2026 (local time)

Forecast update in hr min

Today's Dias Beach sea temperature is

16.0°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) - 3.5ft (1.1m), 12s period with SSW swell.
Afternoon surf: Afternoon surf (18 Sep, local time) - 3.5ft (1.1m), 14s period with SSW swell.
Evening surf: Evening surf (18 Sep, local time) - 6.5ft (2.0m), 7s period with ESE swell.

The current surf forecast for Dias Beach at 2PM is: 1.1m 14s primary swell from a South-southwest direction and 0.6m 15s secondary swell from a South-southwest direction, 2.2m 7s secondary swell from a East-southeast direction (forecast issued at 07:00am September 18). The wind direction is predicted to be onshore.

Time (SAST) & Date	Wave Height	Wave Period
Morning (18 Sep)	3.5ft (1.1m)	12s
Afternoon (18 Sep)	3.5ft (1.1m)	14s
Evening (18 Sep)	6.5ft (2.0m)	7s

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

	Short Range Forecast Mostly dry. Very mild (max 19°C on Sun morning, min 13°C on Fri night). Winds decreasing (fresh winds from the ESE on Fri afternoon, calm by Sat night).
	Friday 18							Saturday 19								Sunday 20
	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	1	2	3	3	2	2	2	3	3	4	4	3	2	1	0	1	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSW 12	SSW 12	SSW 11	SSW 14	SSW 14	SSW 13	ESE 8	E 8	E 8	ESE 8	ESE 8	ESE 8	ESE 8	SSW 15	SSW 15	SSW 15	SSW 14	SSW 14	SSW 14	SSW 14	SW 14	SSW 13	SW 13
Wave Graph
kJ	380	336	320	501	487	440	481	770	710	384	306	266	238	417	756	949	943	682	569	486	357	304	241
Wind (km/h)	E	E	ESE	ESE	E	E	ENE	ENE	NE	NNE	SE	SE	SE	ENE	N	NE	NW	ENE	ESE	SE	ESE	ENE	E
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	on	on	on	on	on	cross-on	cross-on	cross-on	cross	glassy	on	on	cross-on	glassy	glassy	glassy	glassy	glassy	on	on	on	cross-on	on
High Tide		7:07AM1.40m				7:23PM1.40m					8:21AM1.26m				9:07PM1.26m					12:02PM1.27m
Low Tide				12:54PM0.88m				1:41AM0.92m					2:04PM1.05m				4:50AM0.99m					6:19PM1.02m


	6:26	—	—	—	—	—	—	—	6:26	—	—	—	—	—	—	—	6:24	—	—	—	—	—	—
	—	—	—	—	6:23	—	—	—	—	—	—	—	6:24	—	—	—	—	—	—	—	6:25	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	14	14	15	16	15	14	14	14	13	14	16	18	16	15	15	15	15	16	19	19	17	16	16
Feels °C	9	8	8	8	9	10	12	12	12	13	14	16	14	15	15	15	15	16	18	17	15	15	16
Swell 1 Height (m) Direction Period (s)	SSW 12	SSW 12	SSW 11	SSW 14	SSW 14	SSW 13	SSW 13	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	SSW 15	SSW 15	SSW 14	SSW 14	SSW 14	SSW 14	SW 14	SSW 13	SW 13
kJ	380	336	319	501	487	440	362	520	416	384	306	266	238	197	756	949	943	682	569	486	357	304	241
Swell 2 Height (m) Direction Period (s)	SE 7	E 10	—	SSW 15	S 20	—	SSW 18	SSW 13	SSW 13	SSW 12	SSW 12	SSW 12	SW 12	SSW 15	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	E 8
kJ	65	19	—	167	7	—	31	265	257	196	190	184	137	417	202	171	144	112	128	119	119	94	64
Swell 3 Height (m) Direction Period (s)	E 11	—	—	—	—	—	—	SSW 18	—	SSW 16	SSW 16	SSW 15	SSW 15	SSW 15	—	—	—	SSE 5	—	—	—	—	SSE 5
kJ	20	—	—	—	—	—	—	31	—	85	84	76	167	334	—	—	—	17	—	—	—	—	9
Wind waves Height (m) Direction Period (s)	E 6	ESE 6	ESE 6	ESE 7	ESE 7	ESE 7	ESE 8	E 8	E 8	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	104	210	320	423	435	392	481	770	710	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Gerickes Point Garden Route	Gerickes Point Garden Route	Big Bay Cape Town	Dumps Cape Town	Gerickes Point Garden Route	Gerickes Point Garden Route	Victoria Bay Garden Route	Herolds Bay Garden Route	Herolds Bay Garden Route	Dias Beach Garden Route	Groenvlei Garden Route	Gerickes Point Garden Route	Ding Dangs Garden Route	Dias Beach Garden Route	Dias Beach Garden Route	Dias Beach Garden Route	Dias Beach Garden Route	Dias Beach Garden Route	Outer Pool Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Herolds Bay Garden Route
Rating (10 max)	4	4	3	3	4	4	4	3	4	3	3	3	2	3	3	4	4	3	3	4	4	4	1
Distance (km)	62	62	340	336	62	62	41	23	23	0	60	62	4	0	0	0	0	0	6	62	62	62	23
Best forecast wave conditions in Garden Route	Gerickes Point	Gerickes Point			Gerickes Point	Gerickes Point	Goukamma River Mouth	Goukamma River Mouth	Goukamma River Mouth	Goukamma River Mouth	Goukamma River Mouth	Gerickes Point	Santos Reef	Goukamma River Mouth	Goukamma River Mouth	Goukamma River Mouth	Goukamma River Mouth	Goukamma River Mouth	Gerickes Point	Gerickes Point	Gerickes Point	Goukamma River Mouth	Goukamma River Mouth
Rating (10 max)	4	4			4	4	4	4	4	4	4	3	2	3	4	4	4	4	4	4	4	4	4
Best forecast wave conditions in South Africa	Gerickes Point Garden Route	Gerickes Point Garden Route	Doring Bay West Coast	Cape St Martin West Coast	Gerickes Point Garden Route	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	Queensberry Bay Eastern Cape - Wild Coast	Haga-Haga Eastern Cape - Wild Coast	Periwinkles Eastern Cape - Wild Coast	Goukamma River Mouth Garden Route	Goukamma River Mouth Garden Route	Haga-Haga Eastern Cape - Wild Coast	Gerickes Point Garden Route	Gerickes Point Garden Route	Gerickes Point Garden Route	Haga-Haga Eastern Cape - Wild Coast	Goukamma River Mouth Garden Route
Rating (10 max)	4	4	3	3	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Header Global	Otago Peninsula - Papanui Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Sandfly Bay New Zealand	Otago Peninsula - Allans Beach New Zealand	Weld Road New Zealand	El Huerto Spain	El Huerto Spain	Cathedral Rock Australia	Shingles New Zealand	Fairhaven Australia	Kaifu Rivermouth Japan	Trial Harbour Australia	Trial Harbour Australia	Easter Reef Australia	Asu Indonesia	Asu Indonesia	Gas Bay Australia	Easky Left Ireland	Papatowai New Zealand	Papatowai New Zealand	Cobblestones Australia	Shipwrecks Bay-Peaks New Zealand	Shipwrecks Bay-Peaks New Zealand
Rating (10 max)	5	5	5	4	6	5	5	5	5	5	5	8	8	5	4	4	5	5	9	9	6	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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