Back Beach 48 hour detailed Surf Forecast

Lat Long: 30.94° S 115.28° E

Issued: 1 am 13 Sep 2026 (local time)

Forecast update in hr min

Today's Back Beach sea temperature is

18.0°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 (13 Sep):

Morning surf: Morning surf (13 Sep, local time) - 7.5ft (2.3m), 14s period with WSW swell.
Afternoon surf: Afternoon surf (13 Sep, local time) - 6.5ft (2.0m), 13s period with WSW swell.
Evening surf: Evening surf (13 Sep, local time) - 8ft (2.4m), 16s period with WSW swell.

The current surf forecast for Back Beach at 9AM is: 2.3m 14s primary swell from a West-southwest direction and 0.7m 18s secondary swell from a West-southwest direction (forecast issued at 01:00am September 13). The wind direction is predicted to be cross-onshore.

Time (AWST) & Date	Wave Height	Wave Period
Morning (13 Sep)	7.5ft (2.3m)	14s
Afternoon (13 Sep)	6.5ft (2.0m)	13s
Evening (13 Sep)	8ft (2.4m)	16s

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

	Short Range Forecast Light rain (total 2mm), mostly falling on Tue afternoon. Warm (max 25°C on Tue afternoon, min 14°C on Sun night). Winds increasing (light winds from the WNW on Sun morning, fresh winds from the ESE by Mon night).
	Sunday 13								Monday 14								Tuesday 15
	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)	3	3	3	2	2	2	3	4	4	!	!	3	1	0	!	!	!	!	3	3	3	3	2	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	WSW 15	WSW 14	WSW 14	WSW 14	WSW 13	WSW 13	WSW 16	WSW 16	WSW 15	WSW 15	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	SW 14	WSW 14	WSW 14	WSW 14	SW 14	WSW 14	WSW 14
Wave Graph
kJ	2754	2408	2342	1875	1326	1346	2823	3062	3262	3410	3127	2887	2927	3071	3257	3095	3257	3236	3108	2878	2692	2626	2515	2243
Wind (km/h)	WNW	W	WNW	W	WSW	WSW	SSW	S	SSE	ENE	ENE	ESE	S	S	SSE	SE	ESE	ESE	ESE	E	E	E	E	E
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross	cross-on	cross-on	on	on	cross-on	cross	cross-off	cross-off	cross-off	cross-on	cross-on	cross	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide				10:40AM0.36m				10:38PM0.53m				10:53AM0.29m				10:52PM0.57m				9:04AM0.24m
Low Tide		4:49AM0.24m				3:32PM0.25m					5:44AM0.23m			3:17PM0.24m					6:49AM0.24m			2:54PM0.21m


	—	6:20	—	—	—	—	—	—	—	6:18	—	—	—	—	—	—	—	6:18	—	—	—	—	—	—
	—	—	—	—	—	6:08	—	—	—	—	—	—	—	6:09	—	—	—	—	—	—	—	6:09	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	1	—
Temp °C	15	15	15	17	17	17	17	17	17	14	14	18	20	19	17	16	16	14	15	20	25	24	19	18
Feels °C	14	14	14	15	14	14	15	15	15	11	10	14	16	14	13	11	11	8	10	16	22	21	16	16
Swell 1 Height (m) Direction Period (s)	WSW 15	WSW 14	WSW 14	WSW 14	WSW 13	WSW 13	WSW 16	WSW 16	WSW 15	WSW 15	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	SW 14	WSW 14	WSW 14	WSW 14	SW 14	WSW 14	WSW 14
kJ	2754	2408	2342	1875	1326	1346	2823	3062	3262	3410	3127	2887	2927	3071	3257	3095	3257	3236	3108	2878	2692	2626	2515	2243
Swell 2 Height (m) Direction Period (s)	—	WSW 18	W 18	WSW 17	WSW 16	WSW 16	—	—	—	—	—	—	W 24	—	—	—	—	—	—	SW 20	—	—	—	—
kJ	—	268	160	487	854	902	—	—	—	—	—	—	11	—	—	—	—	—	—	97	—	—	—	—
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	S 4	—	SE 4	SE 4	ESE 4	ESE 4	ESE 4	—	SSE 4	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	12	—	6	20	31	32	9	—	28	—	—
Nearest Offshore or Glassy	Port Denison WA - North West	Port Denison WA - North West	Port Denison WA - North West	Explosives (Geraldton Lighthouse) WA - North West	Cheynes Point WA - Far South	Cheynes Point WA - Far South	Cheynes Point WA - Far South	Bunbury The Wall WA - Perth South	Ledge Point WA - Perth City	Ledge Point WA - Perth City	Ledge Point WA - Perth City	The Spot WA - Perth City	The Spot WA - Perth City	Cozies and Geeries WA - Perth City	The Spot WA - Perth City	North Beach Tom's WA - Perth City	Watermans WA - Perth City	Guilderton Rivermouth WA - Perth City	Avalon Point WA - Perth City	Ledge Point WA - Perth City	Ledge Point WA - Perth City	Ledge Point WA - Perth City	The Spot WA - Perth City	Ledge Point WA - Perth City
Rating (10 max)	4	4	4	4	2	2	3	4	5	5	5	4	4	4	4	4	4	4	4	4	4	4	4	4
Distance (km)	178	178	178	251	515	515	515	265	3	3	3	71	71	184	71	111	108	50	187	3	3	3	71	3
Best forecast wave conditions in Perth City Coast									Lancelin	The Spot	Lancelin	Melros	The Spot	Cozies and Geeries	Avalon Point	North Beach Tom's	Cottesloe Beach	Melros	Avalon Point	Melros	Avalon Point	Melros	Melros	Singleton
Rating (10 max)									5	5	5	4	4	4	4	4	4	4	4	4	4	4	4	4
Best forecast wave conditions in Australia	Remarkable Caves TAS - East Coast	Remarkable Caves TAS - East Coast	Remarkable Caves TAS - East Coast	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	Conto Springs WA - Margaret River	Conto Springs WA - Margaret River	Conto Springs WA - Margaret River	Bunker Bay Bommie WA - Margaret River	Bunker Bay Bommie WA - Margaret River	Conto Springs 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	Bunker Bay Bommie WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Ulladulla Bommie NSW - South Coast
Rating (10 max)	4	4	4	4	4	4	4	4	6	5	6	4	4	5	6	6	5	5	5	5	4	5	5	4
Header Global	Asu Indonesia	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Mangahume New Zealand	Papatowai New Zealand	Frigates Fiji	Fish Boma South Africa	Fish Boma South Africa	Papatowai New Zealand	Cobblestones Australia	Noises Australia	Restaurants Fiji	Frigates Fiji	Gas Bay Australia	Cintsa West South Africa	Hole-in-the-Wall South Africa	Cobblestones Australia	Cobblestones Australia	Supertubes Australia	Gas Bay Australia	Cow Bombie Australia	Asu Indonesia
Rating (10 max)	5	9	9	9	8	7	6	5	5	5	5	6	6	5	6	6	6	8	5	5	5	5	5	4

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 (13 Sep):

Short Range Forecast

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