Twelve Mile Beach 48 hour detailed Surf Forecast

Lat Long: 33.95° S 120.32° E

Issued: 7 am 07 Sep 2026 (local time)

Forecast update in hr min

Today's Twelve Mile Beach sea temperature is

16.9°C

Twelve Mile 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 Twelve Mile Beach today (07 Sep):

Morning surf: Morning surf (07 Sep, local time) - 6.5ft (2.0m), 17s period with SSW swell.
Afternoon surf: Afternoon surf (07 Sep, local time) - 7ft (2.2m), 17s period with SSW swell.
Evening surf: Evening surf (07 Sep, local time) - 7ft (2.1m), 16s period with SSW swell.

The current surf forecast for Twelve Mile Beach at 12PM is: 1.9m 17s primary swell from a South-southwest direction and 1.1m 7s secondary swell from a South-southeast direction, 1.1m 6s secondary swell from a Southeast direction (forecast issued at 07:00am September 07). The wind direction is predicted to be cross-shore.

Time (AWST) & Date	Wave Height	Wave Period
Morning (07 Sep)	6.5ft (2.0m)	17s
Afternoon (07 Sep)	7ft (2.2m)	17s
Evening (07 Sep)	7ft (2.1m)	16s

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

	Short Range Forecast Some drizzle, heaviest during Mon morning. Very mild (max 17°C on Wed afternoon, min 10°C on Wed night). Winds increasing (light winds from the ENE on Mon morning, fresh winds from the ESE by Tue afternoon).
	Monday 7							Tuesday 8								Wednesday 9
	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)	2	4	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	1	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSW 18	SSW 18	SSW 17	SSW 17	SSW 17	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	SSW 17	SSW 18	SSW 18	SSW 17	SSW 17	SSW 17	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	SSW 15	SSW 15
Wave Graph
kJ	2325	2432	2146	2735	2641	2214	2133	2107	1948	2303	2612	3002	3106	2624	2377	2000	1708	1688	1410	1199	1107	953	890
Wind (km/h)	E	ENE	ESE	ESE	ESE	SE	SE	SE	SE	SE	SE	SE	ESE	ESE	ESE	E	E	E	E	E	E	ENE	ENE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross-off	cross	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross	cross	cross	cross	cross	cross-off	cross	cross	cross	cross-off	cross-off
High Tide			8:56AM0.81m					11:52PM0.41m			9:36AM0.85m					11:25PM0.41m			10:09AM0.85m
Low Tide					4:59PM-0.05m				2:47AM0.37m					5:14PM-0.02m			3:29AM0.29m					5:25PM0.03m


	6:09	—	—	—	—	—	—	—	6:07	—	—	—	—	—	—	—	6:07	—	—	—	—	—	—
	—	—	—	—	5:44	—	—	—	—	—	—	—	5:44	—	—	—	—	—	—	—	5:45	—	—
mm	1	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	15	13	15	16	15	15	15	15	14	14	14	14	14	14	14	14	13	12	13	17	16	15	11
Feels °C	12	11	12	11	11	11	10	10	9	7	7	7	6	7	7	6	6	4	5	9	9	8	4
Swell 1 Height (m) Direction Period (s)	SSW 18	SSW 18	SSW 17	SSW 17	SSW 17	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	SSW 17	SSW 18	SSW 18	SSW 17	SSW 17	SSW 17	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	SSW 15	SSW 15
kJ	2325	2432	2146	2735	2641	2214	2133	2107	1948	2303	2612	3002	3106	2624	2377	2000	1708	1688	1410	1199	1107	953	890
Swell 2 Height (m) Direction Period (s)	SSE 7	SSE 7	SSE 7	S 10	S 9	—	S 9	—	—	—	—	—	—	—	—	—	—	—	—	—	—	S 28	SW 26
kJ	215	121	99	17	15	—	6	—	—	—	—	—	—	—	—	—	—	—	—	—	—	15	27
Swell 3 Height (m) Direction Period (s)	—	S 10	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	8	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	SSE 7	SE 7	SE 6	SE 6	SE 5	ESE 5	SE 5	SE 5	SE 5	SE 5	SE 6	SE 6	SE 6	SE 6	SE 7	SE 7	SE 7	SE 7	SE 8	SE 8	SE 8	ESE 8	ESE 8
kJ	211	158	89	95	65	24	42	55	40	84	128	124	175	219	316	381	412	405	358	335	321	374	414
Nearest Offshore or Glassy	Conspicuous Beach WA - Far South	Twelve Mile Beach WA - Far South	Bay Left Wall WA - Perth South	Bay Left Wall WA - Perth South	Bay Left Wall WA - Perth South	Bunbury The Wall WA - Perth South	Bunbury The groyne WA - Perth South	Bunbury Bay WA - Perth South	Bunbury Bay WA - Perth South	Bunbury Bay WA - Perth South	Conto Springs WA - Margaret River	Bunbury BP Reef WA - Perth South	Bunbury Bay WA - Perth South	Bunbury Bay WA - Perth South	Bay Left Wall WA - Perth South	Bay Left Wall WA - Perth South	Deepdene WA - Margaret River	Deepdene WA - Margaret River	Deepdene WA - Margaret River	Hush Hush Beach WA - Far South	Hush Hush Beach WA - Far South	Hush Hush Beach WA - Far South	Bay Left Wall WA - Perth South
Rating (10 max)	7	4	4	4	4	4	4	4	4	4	9	4	4	4	4	4	5	5	4	4	4	4	3
Distance (km)	340	0	439	439	439	439	440	440	440	440	489	440	440	440	439	439	481	481	481	385	385	385	439
Best forecast wave conditions in Far South of Western Australia	Conspicuous Beach	West Beach																		Mandalay Beach	Mandalay Beach	Windy Harbour
Rating (10 max)	7	4																		5	5	5
Best forecast wave conditions in Australia	South Point WA - Margaret River	Conto Springs WA - Margaret River	Surfers Point WA - Margaret River	The Quarries WA - Margaret River	Blacknose Point VIC - Far West	Trial Harbour TAS - West Coast	Conto Springs WA - Margaret River	Conto Springs WA - Margaret River	Conto Springs WA - Margaret River	Douglas Point SA - East Coast	Cow Bombie WA - Margaret River	Noises WA - Margaret River	Noises WA - Margaret River	Margaret River Bommie WA - Margaret River	Margaret River Bommie 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	Cobblestones WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River
Rating (10 max)	9	8	7	4	4	5	7	8	9	8	9	9	8	8	7	6	6	5	5	5	5	5	5
Header Global	Injidup Carpark Australia	Injidup Carpark Australia	Amanzimtoti South Africa	Bay of Plenty South Africa	Reunion South Africa	Etang-Sale Reunion	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Cow Bombie Australia	Cobblestones Australia	Cobblestones Australia	Gas Bay Australia	Gas Bay Australia	Cobblestones Australia	Gas Bay Australia	Saint Leu Reunion	The Bombie and Boat Ramp Australia	Cobblestones Australia	Saint Leu Reunion	Saint Leu Reunion	Saint Leu Reunion
Rating (10 max)	7	6	7	5	5	5	5	5	5	5	9	9	8	8	7	6	6	9	5	5	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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Twelve Mile Beach 48 hour detailed Surf Forecast

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

Short Range Forecast

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