Twelve Mile Beach 48 hour detailed Surf Forecast

Lat Long: 33.95° S 120.32° E

Issued: 1 pm 08 Sep 2026 (local time)

Forecast update in hr min

Today's Twelve Mile Beach sea temperature is

16.8°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 (08 Sep):

Morning surf: Morning surf (08 Sep, local time) - 7ft (2.1m), 16s period with SSW swell.
Afternoon surf: Afternoon surf (08 Sep, local time) - 7ft (2.2m), 18s period with SSW swell.
Evening surf: Evening surf (08 Sep, local time) - 6.5ft (2.0m), 17s period with SSW swell.

The current surf forecast for Twelve Mile Beach at 4PM is: 2.2m 18s primary swell from a South-southwest direction and 1.5m 6s secondary swell from a Southeast direction (forecast issued at 01:00pm September 08). The wind direction is predicted to be cross-onshore.

Time (AWST) & Date	Wave Height	Wave Period
Morning (08 Sep)	7ft (2.1m)	16s
Afternoon (08 Sep)	7ft (2.2m)	18s
Evening (08 Sep)	6.5ft (2.0m)	17s

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

	Short Range Forecast Some drizzle, heaviest during Tue night. Very mild (max 19°C on Fri morning, min 11°C on Wed morning). Winds decreasing (strong winds from the E on Wed afternoon, light winds from the E by Fri morning).
	Tue 8					Wednesday 9								Thursday 10
	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	0	0	0	0	1	2	0	0	0	1	2	3	2	1	1	0	1	2	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSW 17	SSW 17	SSW 18	SSW 17	SSW 17	SSW 17	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 14	SSW 14	SSW 15	SSW 16	SSW 16
Wave Graph
kJ	2612	2968	3141	2624	2377	2000	1708	1688	1569	1341	1169	1079	929	746	627	610	478	478	485	546	582
Wind (km/h)	SE	SE	ESE	ESE	ESE	E	E	ENE	E	E	E	ENE	ENE	ENE	ENE	ENE	ENE	E	ENE	ENE	ENE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross-on	cross	cross	cross	cross	cross-off	cross	cross	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross	cross-off	cross-off	cross-off
High Tide						11:25PM0.41m			10:09AM0.85m					11:15PM0.45m			10:37AM0.81m
Low Tide				5:14PM-0.02m			3:29AM0.29m					5:25PM0.03m			4:06AM0.22m					5:31PM0.09m


	—	—	—	—	—	—	6:07	—	—	—	—	—	—	—	6:05	—	—	—	—	—	—
	—	—	5:44	—	—	—	—	—	—	—	5:45	—	—	—	—	—	—	—	5:45	—	—
mm	—	—	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	13	14	14	14	13	13	12	11	13	14	14	13	11	11	12	12	15	17	17	16	15
Feels °C	7	7	6	6	5	5	5	5	6	6	6	5	5	6	7	6	9	11	12	12	11
Swell 1 Height (m) Direction Period (s)	SSW 17	SSW 17	SSW 18	SSW 17	SSW 17	SSW 17	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 14	SSW 14	SSW 15	SSW 16	SSW 16
kJ	2612	2968	3141	2624	2377	2000	1708	1688	1569	1341	1169	1079	929	746	627	610	478	478	485	546	582
Swell 2 Height (m) Direction Period (s)	—	—	—	S 7	—	—	—	—	—	—	—	S 28	SE 7	SSW 26	SSW 26	SSW 25	SSW 24	SSW 24	SSW 23	ESE 7	ESE 8
kJ	—	—	—	64	—	—	—	—	—	—	—	15	194	66	66	63	55	108	107	104	88
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	SW 26	—	—	—	—	—	SSW 24	SSW 24	SSW 22
kJ	—	—	—	—	—	—	—	—	—	—	—	—	27	—	—	—	—	—	108	54	95
Wind waves Height (m) Direction Period (s)	SSE 6	SE 6	SE 6	SE 6	SE 7	SE 7	SE 7	SE 7	SE 7	SE 7	SE 7	ESE 7	ENE 5	ESE 8	ESE 8	ESE 8	ESE 7	ESE 7	ESE 7	NE 3	NE 4
kJ	123	114	154	263	368	400	381	365	318	318	340	329	27	199	178	186	172	131	136	3	6
Nearest Offshore or Glassy	Bunbury Bay WA - Perth South	Bunbury Bay WA - Perth South	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	Bay Left Wall WA - Perth South	Bay Left Wall WA - Perth South	Bay Left Wall WA - Perth South	Bay Left Wall WA - Perth South	Hush Hush Beach WA - Far South	Hush Hush Beach WA - Far South	Windy Harbour WA - Far South	Bay Left Wall WA - Perth South	Bay Left Wall WA - Perth South	Lights Beach WA - Far South	Sand Patch Beach WA - Far South	Hush Hush Beach WA - Far South	Lights Beach WA - Far South	Lights Beach WA - Far South
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	5	3	3	4	4	4	4	4
Distance (km)	440	440	440	440	440	439	439	439	439	439	439	385	385	406	439	439	303	260	385	303	303
Best forecast wave conditions in Far South of Western Australia												Mandalay Beach	Hush Hush Beach	Windy Harbour			Hush Hush Beach	Hush Hush Beach	Hush Hush Beach	Mandalay Beach	Windy Harbour
Rating (10 max)												5	4	5			4	4	4	4	4
Best forecast wave conditions in Australia	Conto Springs WA - Margaret River	South Point WA - Margaret River	Supertubes WA - Margaret River	Cow Bombie WA - Margaret River	Noises WA - Margaret River	Margaret River Bommie WA - Margaret River	Bancoora VIC - Torquay	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Margaret River Bommie WA - Margaret River	Cobblestones WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	May's Point TAS - East Coast	Surfers Point WA - Margaret River	Golf Course Reef NSW - South Coast	Bancoora VIC - Torquay	JD Reef NSW - Newcastle	JD Reef NSW - Newcastle	Guillotines NSW - South Coast	JD Reef NSW - Newcastle
Rating (10 max)	9	9	9	8	8	8	7	6	6	6	5	5	5	7	5	4	5	4	4	4	4
Header Global	Easter Reef Australia	Luna Park Australia	Supertubes Australia	Cow Bombie Australia	Cobblestones Australia	Gas Bay Australia	Bancoora Australia	Cow Bombie Australia	Gas Bay Australia	Saint Leu Reunion	Saint Leu Reunion	Saint Leu Reunion	Saint Leu Reunion	Saint Leu Reunion	Papatowai New Zealand	Papatowai New Zealand	Saint Leu Reunion	Saint Leu Reunion	Left Point Australia	Nugget Point New Zealand	Fox River New Zealand
Rating (10 max)	5	5	9	8	8	8	7	6	6	9	9	9	9	9	9	9	6	6	5	9	9

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 (08 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