Back Beach 48 hour detailed Surf Forecast

Lat Long: 30.94° S 115.28° E

Issued: 1 am 07 Sep 2026 (local time)

Forecast update in hr min

Today's Back Beach sea temperature is

18.4°C

Back 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 Back Beach today (07 Sep):

Morning surf: Morning surf (07 Sep, local time) - 11ft (3.5m), 17s period with WSW swell.
Afternoon surf: Afternoon surf (07 Sep, local time) - 10ft (3.0m), 16s period with WSW swell.
Evening surf: Evening surf (07 Sep, local time) - 8ft (2.5m), 16s period with WSW swell.

The current surf forecast for Back Beach at 4AM is: 3.5m 17s primary swell from a West-southwest direction (forecast issued at 01:00am September 07). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore and the swell rating is 11.

Time (AWST) & Date	Wave Height	Wave Period
Morning (07 Sep)	11ft (3.5m)	17s
Afternoon (07 Sep)	10ft (3.0m)	16s
Evening (07 Sep)	8ft (2.5m)	16s

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

	Short Range Forecast Mostly dry. Very mild (max 19°C on Tue afternoon, min 10°C on Tue night). Mainly fresh winds.
	Monday 7								Tuesday 8								Wednesday 9
	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	3	2	4	!	!	!	!	!	!	!	!	!	3	3	3	2	2	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	WSW 18	WSW 17	WSW 17	WSW 17	WSW 16	SW 16	WSW 16	WSW 16	WSW 16	SW 16	SW 16	WSW 17	WSW 17	WSW 17	WSW 16	WSW 16	WSW 16	WSW 16	WSW 16	WSW 16	WSW 15	WSW 15	WSW 15	WSW 15
Wave Graph
kJ	7938	7454	6855	5619	5195	4645	3693	3647	3417	4181	4764	5582	5516	5687	5256	5069	4579	3936	3569	3142	3130	2705	2419	2334
Wind (km/h)	SE	SE	SE	SE	S	S	SE	SE	ESE	ESE	ESE	ESE	SE	SE	SE	ESE	ESE	ESE	E	E	E	E	E	E
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross	cross	cross-on	cross-on	cross	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide			6:05AM0.64m								7:09AM0.64m									8:03AM0.62m
Low Tide						3:38PM-0.00m								4:04PM0.03m								4:24PM0.09m


	—	6:28	—	—	—	—	—	—	—	6:26	—	—	—	—	—	—	—	6:26	—	—	—	—	—	—
	—	—	—	—	—	6:06	—	—	—	—	—	—	—	6:06	—	—	—	—	—	—	—	6:07	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	12	11	12	17	18	17	18	16	14	12	11	16	19	19	18	14	12	10	11	16	19	18	18	17
Feels °C	7	7	8	13	13	12	13	11	9	7	5	9	12	13	13	7	5	3	4	9	12	12	13	11
Swell 1 Height (m) Direction Period (s)	WSW 18	WSW 17	WSW 17	WSW 17	WSW 16	SW 16	WSW 16	WSW 16	WSW 16	SW 16	SW 16	WSW 17	WSW 17	WSW 17	WSW 16	WSW 16	WSW 16	WSW 16	WSW 16	WSW 16	WSW 15	WSW 15	WSW 15	WSW 15
kJ	7938	7454	6855	5619	5195	4645	3693	3647	3417	4181	4764	5582	5516	5687	5256	5069	4579	3936	3569	3142	3130	2705	2419	2334
Swell 2 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	SSW 6	—	—	—	—	—	—	—	—	—	—	—	—	—	W 28	WSW 26
kJ	—	—	—	—	—	—	—	—	74	—	—	—	—	—	—	—	—	—	—	—	—	—	15	66
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	SE 4	—	—	—	—	—	S 5	S 6	S 6	ESE 4	ESE 4	SE 4	SE 4	—	—	—	—	ESE 4	SE 4	ESE 4	E 4	—	E 3	E 4
kJ	19	—	—	—	—	—	69	108	106	32	32	18	14	—	—	—	—	13	17	13	16	—	8	14
Nearest Offshore or Glassy	North Beach Tom's WA - Perth City	Golden Bay WA - Perth City	North Beach Tom's WA - Perth City	Derrs WA - Perth City	Cozies and Geeries WA - Perth City	Cozies and Geeries WA - Perth City	Cozies and Geeries WA - Perth City	North Beach Tom's WA - Perth City	North Beach Tom's WA - Perth City	North Beach Tom's WA - Perth City	North Beach Tom's WA - Perth City	Supertubes WA - Margaret River	Bennion Beach Cleggies WA - Perth City	North Beach Tom's WA - Perth City	North Beach Tom's WA - Perth City	Bay Left Wall WA - Perth South	Sunset Beach Geraldron WA - North West	The Spot WA - Perth City	Ellensbrook WA - Margaret River	Bay Left Wall WA - Perth South	Lighthouse WA - Margaret River	The Spot WA - Perth City	Guilderton Rivermouth WA - Perth City	The Spot WA - Perth City
Rating (10 max)	5	5	5	5	4	4	4	4	4	4	4	8	4	4	4	4	5	5	5	4	4	4	4	4
Distance (km)	111	173	111	85	184	184	184	111	111	111	111	302	113	111	111	265	255	71	331	265	289	71	50	71
Best forecast wave conditions in Perth City Coast	Melros	Melros	Cozies and Geeries	Melros	Melros	Cozies and Geeries	Cozies and Geeries	Cottesloe Beach	Cottesloe Beach	Melros	Cottesloe Beach		Swanbourne Beach	Melros	Melros			The Spot				Grabbers	Melros	Swanbourne Beach
Rating (10 max)	5	5	5	5	4	4	4	4	4	4	4		5	5	4			5				4	4	4
Best forecast wave conditions in Australia	Surfers Point WA - Margaret River	Conto Springs WA - Margaret River	Conto Springs WA - Margaret River	Surfers Point WA - Margaret River	The Farm WA - Margaret River	Blacknose Point VIC - Far West	Easter Reef VIC - Far West	Conto Springs WA - Margaret River	Conto Springs WA - Margaret River	South Point WA - Margaret River	Douglas Point SA - East Coast	Supertubes WA - Margaret River	Noises WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	The Bombie and Boat Ramp WA - Margaret River	Mandalay Beach WA - Far South	Gas Bay WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River
Rating (10 max)	9	9	8	7	4	4	5	7	8	8	8	8	8	8	7	6	6	6	6	5	5	5	5	5
Header Global	Cow Bombie Australia	Injidup Carpark Australia	Injidup Carpark Australia	Amanzimtoti South Africa	Amanzimtoti South Africa	Reunion South Africa	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Luna Park Australia	Supertubes Australia	Cobblestones Australia	Cobblestones Australia	Cow Bombie Australia	Cow Bombie Australia	Cow Bombie Australia	Gas Bay Australia	Saint Leu Reunion	Saint Leu Reunion	Saint Leu Reunion	Saint Leu Reunion	Saint Leu Reunion	Saint Leu Reunion
Rating (10 max)	9	7	6	7	8	5	5	5	5	5	5	8	8	8	7	6	6	6	9	9	9	9	8	7

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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Back Beach 48 hour detailed Surf Forecast

How big are the waves at Back Beach today (07 Sep):

Short Range Forecast

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