Southside 48 hour detailed Surf Forecast

Lat Long: 33.99° S 114.98° E

Issued: 1 am 23 Sep 2026 (local time)

Forecast update in hr min

Today's Southside sea temperature is

18.0°C

Southside 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 Southside today (23 Sep):

Morning surf: Morning surf (23 Sep, local time) - 8ft (2.4m), 13s period with SW swell.
Afternoon surf: Afternoon surf (23 Sep, local time) - 7ft (2.2m), 12s period with SW swell.
Evening surf: Evening surf (23 Sep, local time) - 6.5ft (2.0m), 12s period with SW swell.

The current surf forecast for Southside at 7AM is: 2.4m 13s primary swell from a Southwest direction (forecast issued at 01:00am September 23). The wind direction is predicted to be glassy and the swell rating is 4.

Time (AWST) & Date	Wave Height	Wave Period
Morning (23 Sep)	8ft (2.4m)	13s
Afternoon (23 Sep)	7ft (2.2m)	12s
Evening (23 Sep)	6.5ft (2.0m)	12s

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

	Short Range Forecast Light rain (total 2mm), mostly falling on Thu night. Very mild (max 16°C on Wed morning, min 10°C on Fri night). Winds increasing (calm on Wed night, fresh winds from the SSE by Fri afternoon).
	Wednesday 23								Thursday 24								Friday 25
	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)	4	4	3	2	2	2	2	2	2	4	3	1	1	1	3	4	4	7	7	7	7	7	7	7
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 13	SW 13	SW 13	SW 13	SW 12	SW 12	SW 12	SW 12	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 13	SW 14	SW 15	SW 14	SW 19	SW 18	SW 17	SW 17	SW 17
Wave Graph
kJ	2399	2154	1892	1651	1550	1319	1209	940	1581	1537	1398	1438	1762	2140	2357	2817	3844	5603	5078	11749	11364	10331	9435	9736
Wind (km/h)	ENE	NNE	SW	WSW	WSW	WSW	WSW	WSW	WSW	W	NW	WNW	W	SW	SSE	SE	SSE	SSE	SSE	SSE	SSE	SE	SE	SE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	off	glassy	cross-on	on	on	cross-on	cross-on	cross-on	cross-on	glassy	cross-on	cross-on	on	cross-on	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide			7:42AM0.64m					10:29PM0.40m				8:22AM0.63m				10:00PM0.42m				9:03AM0.60m				9:53PM0.46m
Low Tide						3:51PM0.16m			1:15AM0.38m					3:55PM0.19m				2:25AM0.33m				3:56PM0.24m


	—	6:09	—	—	—	—	—	—	—	6:07	—	—	—	—	—	—	—	6:05	—	—	—	—	—	—
	—	—	—	—	—	6:15	—	—	—	—	—	—	—	6:16	—	—	—	—	—	—	—	6:16	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	1	—	—	—	—	—	—	—
Temp °C	13	13	15	16	16	16	15	15	15	15	15	16	16	16	14	13	13	13	13	14	14	14	13	12
Feels °C	12	13	14	14	13	14	13	13	13	14	13	13	13	13	11	9	8	7	7	7	6	6	6	5
Swell 1 Height (m) Direction Period (s)	SW 13	SW 13	SW 13	SW 13	SW 12	SW 12	SW 12	SW 12	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 13	SW 14	SW 15	SW 14	SW 19	SW 18	SW 17	SW 17	SW 17
kJ	2399	2154	1892	1651	1550	1319	1209	940	1581	1537	1398	1438	1762	2140	2357	2817	3844	5603	4314	11749	11364	10331	9435	9736
Swell 2 Height (m) Direction Period (s)	—	—	—	—	SW 18	—	SW 16	SW 16	SSW 9	S 9	S 9	S 9	WSW 24	SW 23	WSW 23	SW 22	WSW 21	WSW 20	WSW 19	—	—	—	—	—
kJ	—	—	—	—	49	—	211	421	110	81	81	59	56	140	350	677	1199	2709	5078	—	—	—	—	—
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	SW 16	S 10	—	—	W 26	SW 24	WSW 24	S 9	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	167	66	—	—	13	23	55	14	—	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	SSE 6	SSE 6	SSE 6	SSE 6	SSE 6	SSE 6	SSE 7	SE 6
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	122	173	186	205	245	350	372	337
Nearest Offshore or Glassy	Southside WA - Margaret River	Southside WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	Cactus SA - Nullarbor	Hussas WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	Southside WA - Margaret River	Boranup Beach WA - Margaret River	Hussas WA - Margaret River	Castle Rock WA - Margaret River	Hussas WA - Margaret River	Huzzawouie (Huzzas) WA - Margaret River	Huzzawouie (Huzzas) WA - Margaret River	Peppermint Grove Reef WA - Perth South	Peppermint Grove Reef WA - Perth South	Peppermint Grove Reef WA - Perth South	Bunbury The groyne WA - Perth South	Flatrock SA - Eyre Peninsula	Pondalowie Bay SA - Yorke Peninsula	Sandy Creek SA - Kangaroo Island	Peppermint Grove Reef WA - Perth South
Rating (10 max)	4	4	4	4	3	4	4	4	4	4	4	4	2	4	4	4	3	4	4	4	3	2	4	4
Distance (km)	0	0	14	14	1689	14	14	14	14	0	31	14	46	14	14	14	72	72	72	97	1866	2002	1983	72
Best forecast wave conditions in Margaret River	Surfers Point	Surfers Point	Augusta Rivermouth	Injidup Point		Hussas	Hussas	Augusta Rivermouth	Augusta Rivermouth	Surfers Point	Supertubes	Hussas	The Quarries	Hussas	Injidup Point	Conto Springs
Rating (10 max)	4	4	4	4		4	4	4	4	4	4	4	2	4	4	5
Best forecast wave conditions in Australia	Luna Park VIC - Far West	Luna Park VIC - Far West	Easter Reef VIC - Far West	Shipstern Bluff TAS - East Coast	Quarantine VIC - Mornington Peninsula	Quarantine VIC - Mornington Peninsula	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Easter Reef VIC - Far West	Luna Park VIC - Far West	Trial Harbour TAS - West Coast	Conto Springs WA - Margaret River	Boneyard NSW - Illawarra	Cyclops WA - Far South	Bunbury The groyne WA - Perth South	Bunbury The groyne WA - Perth South	Blacknose Point VIC - Far West	Mystics NSW - Illawarra	Johanna VIC - Far West	Luna Park VIC - Far West
Rating (10 max)	6	5	5	4	4	4	4	4	4	4	4	4	4	4	4	5	3	4	4	4	3	3	4	4
Header Global	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Little Wanganui New Zealand	Papatowai New Zealand	Shipwreck Bay-Supertubes New Zealand	Anawhata Road (Oaonui) New Zealand	Anawhata Road (Oaonui) New Zealand	Chameau Mauritius	Pascuales Mexico	Papatowai New Zealand	Barra de Guaratiba Brazil	Barra de Guaratiba Brazil	Barra de Guaratiba Brazil	Barra de Guaratiba Brazil	Barra de Guaratiba Brazil	Barra de Guaratiba Brazil	Barra de Guaratiba Brazil	Inishcrone Ireland	Easky Left Ireland	Bundoran Ireland	Easky Left Ireland
Rating (10 max)	9	9	9	8	7	6	6	6	5	5	5	6	5	4	4	4	4	4	4	4	7	9	5	6

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

Six Sun-Soaked Summer Surf Spots: Backed by 20 years of Swell and Wind Stats (and with our 20% Summer Subscription Sale)

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Southside surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

Southside 48 hour detailed Surf Forecast

How big are the waves at Southside today (23 Sep):

Short Range Forecast

Latest Updates

Surf-Forecast Now Has Webcams

Road Testing the new Db Surf Roller Pro

Summer's Short. Life Is Long.

Roadsurfing in the Basque country

Six Sun-Soaked Summer Surf Spots: Backed by 20 years of Swell and Wind Stats (and with our 20% Summer Subscription Sale)

FREE! Surf-Forecast.com widget for your website