Twelve Mile Beach 48 hour detailed Surf Forecast

Lat Long: 33.95° S 120.32° E

Issued: 7 am 06 Sep 2026 (local time)

Forecast update in hr min

Today's Twelve Mile Beach sea temperature is

17.1°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 (06 Sep):

Morning surf: Morning surf (06 Sep, local time) - 3ft (0.9m), 13s period with SSW swell.
Afternoon surf: Afternoon surf (06 Sep, local time) - 7ft (2.1m), 8s period with S swell.
Evening surf: Evening surf (06 Sep, local time) - 2.5ft (0.8m), 19s period with SSW swell.

The current surf forecast for Twelve Mile Beach at 12PM is: 1.1m 13s primary swell from a South-southwest direction and 0.2m 21s secondary swell from a South-southwest direction, 1.6m 8s secondary swell from a South direction (forecast issued at 07:00am September 06). The wind direction is predicted to be onshore.

Time (AWST) & Date	Wave Height	Wave Period
Morning (06 Sep)	3ft (0.9m)	13s
Afternoon (06 Sep)	7ft (2.1m)	8s
Evening (06 Sep)	2.5ft (0.8m)	19s

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

	Short Range Forecast Light rain (total 3mm), mostly falling on Sun afternoon. Very mild (max 16°C on Sun morning, min 13°C on Tue morning). Winds increasing (light winds from the W on Sun morning, fresh winds from the E by Tue night).
	Sunday 6							Monday 7								Tuesday 8
	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)	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	S 11	SSW 13	SSW 13	S 8	S 9	S 8	SSW 19	SSW 19	SSW 18	SSW 18	SSW 17	SSW 17	SSW 17	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	SSW 17	SSW 17	SSW 18	SSW 17	SSW 17
Wave Graph
kJ	269	265	427	616	641	516	1753	1960	2325	2432	3092	2121	2471	1667	2133	2133	2394	2274	2833	2867	2832	2349	2146
Wind (km/h)	WSW	W	S	SSE	SSE	SE	SE	SE	SE	ESE	ESE	SE	ESE	SE	SE	SE	SE	SE	SE	ESE	ESE	E	E
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross	on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross	cross
High Tide			8:06AM0.74m								8:56AM0.81m					11:52PM0.41m			9:36AM0.85m
Low Tide					4:44PM-0.05m								4:59PM-0.05m				2:47AM0.37m					5:14PM-0.02m


	6:11	—	—	—	—	—	—	—	6:09	—	—	—	—	—	—	—	6:07	—	—	—	—	—	—
	—	—	—	—	5:43	—	—	—	—	—	—	—	5:44	—	—	—	—	—	—	—	5:44	—	—
mm	—	—	—	1	—	1	—	—	—	—	1	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	14	15	16	15	15	14	14	14	14	15	15	15	15	15	15	15	14	14	13	14	14	13	14
Feels °C	11	14	11	9	9	8	10	10	10	11	11	10	11	11	11	10	9	8	6	7	7	6	8
Swell 1 Height (m) Direction Period (s)	S 11	S 10	SSW 13	SSW 13	SSW 13	SSW 13	SSW 19	SSW 19	SSW 18	SSW 18	SSW 17	SSW 17	SSW 17	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	SSW 17	SSW 17	SSW 18	SSW 17	SSW 17
kJ	269	202	427	326	408	330	1753	1960	2325	2432	3092	2121	2471	1667	2133	2133	2394	2274	2833	2867	2832	2349	2146
Swell 2 Height (m) Direction Period (s)	SSW 13	SSW 13	SSW 22	SW 21	SSW 20	SSW 19	S 11	S 11	S 10	S 10	S 10	S 10	S 9	S 9	—	—	—	—	—	—	—	—	—
kJ	269	265	45	108	162	455	37	35	18	2	17	17	15	15	—	—	—	—	—	—	—	—	—
Swell 3 Height (m) Direction Period (s)	S 23	SW 22	SSW 22	—	—	SSW 14	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	11	19	46	—	—	154	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	—	—	S 8	S 8	S 9	S 8	S 8	S 8	SSE 7	SSE 7	SSE 7	SE 6	SE 6	SE 5	SE 5	SE 5	SE 5	SSE 5	SE 6	SE 6	SE 6	SE 6	ESE 6
kJ	—	—	221	616	641	516	387	337	259	149	110	94	82	49	58	50	46	106	128	123	127	154	209
Nearest Offshore or Glassy	NIne Mile Beach WA - Far South	Cyclops WA - Far South	Cunns SA - Nullarbor	Bunbury The groyne WA - Perth South	Bay Left Wall WA - Perth South	Bunbury Bay WA - Perth South	Bunbury The groyne WA - Perth South	Conspicuous Beach WA - Far South	Bay Left Wall 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	Bunbury The Wall WA - Perth South	Bunbury Bay WA - Perth South	Bunbury The groyne WA - Perth South	Bunbury The groyne WA - Perth South	Bunbury Bay WA - Perth South	Cottesloe Beach WA - Perth City	Bunbury Bay WA - Perth South	Bunbury Bay WA - Perth South	Bunbury Bay WA - Perth South	Bay Left Wall WA - Perth South
Rating (10 max)	3	3	4	4	4	4	4	8	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Distance (km)	137	260	1197	440	439	440	440	340	439	440	440	439	439	439	440	440	440	440	479	440	440	440	439
Best forecast wave conditions in Far South of Western Australia	Cyclops	Cyclops						Conspicuous Beach
Rating (10 max)	4	3						8
Best forecast wave conditions in Australia	Bancoora VIC - Torquay	Bancoora VIC - Torquay	Quarantine VIC - Mornington Peninsula	Lorne Point VIC - Cape Otway	Golf Course Reef NSW - South Coast	Conto Springs WA - Margaret River	South Point WA - Margaret River	South Point WA - Margaret River	Conto Springs WA - Margaret River	South Point WA - Margaret River	Surfers Point WA - Margaret River	Conto Springs WA - Margaret River	Ethel Wreck SA - Yorke Peninsula	Flatrock SA - Eyre Peninsula	Conto Springs WA - Margaret River	Conto Springs WA - Margaret River	South Point WA - Margaret River	Redgate WA - Margaret River	Supertubes WA - Margaret River	Noises WA - Margaret River	Noises WA - Margaret River	Margaret River Bommie WA - Margaret River	Surfers Point WA - Margaret River
Rating (10 max)	5	3	4	5	4	9	9	9	9	8	7	7	4	7	7	8	8	9	9	9	8	8	7
Header Global	Papatowai New Zealand	Papatowai New Zealand	Captains South Africa	Gerickes Point South Africa	Gerickes Point South Africa	Charleston New Zealand	Injidup Carpark Australia	Injidup Carpark Australia	Injidup Carpark Australia	Injidup Carpark Australia	Amanzimtoti South Africa	Amanzimtoti South Africa	Ansteys South Africa	Reunion South Africa	Easter Reef Australia	Easter Reef Australia	Injidup Carpark Australia	Injidup Carpark Australia	Supertubes Australia	Cobblestones Australia	Cobblestones Australia	Gas Bay Australia	Gas Bay Australia
Rating (10 max)	7	6	5	5	6	5	8	7	6	6	7	8	5	5	5	5	6	6	9	9	8	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)

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)

Ben Mondy

Summer School: The Timeline of The Boardshort

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 Twelve Mile Beach 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.

Twelve Mile Beach 48 hour detailed Surf Forecast

How big are the waves at Twelve Mile Beach today (06 Sep):

Short Range Forecast

Latest Updates

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)

Summer School: The Timeline of The Boardshort

FREE! Surf-Forecast.com widget for your website