Twelve Mile Beach 48 hour detailed Surf Forecast

Lat Long: 33.95° S 120.32° E

Issued: 7 pm 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 (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) - 7ft (2.1m), 17s period with SSW swell.

The current surf forecast for Twelve Mile Beach at 3AM is: 1.9m 16s primary swell from a South-southwest direction and 1.0m 5s secondary swell from a Southeast direction (forecast issued at 07:00pm September 07). 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)	7ft (2.1m)	17s

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

	Short Range Forecast Light rain (total 3mm), mostly falling on Mon night. Very mild (max 17°C on Thu afternoon, min 11°C on Wed night). Winds decreasing (strong winds from the ESE on Wed afternoon, light winds from the ESE by Thu afternoon).
	Mon 7			Tuesday 8								Wednesday 9
	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	0	0	0	0	0	0	1	0	0	0	0	2	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSW 17	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	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
Wave Graph
kJ	2408	2068	1993	1750	2033	2303	2612	2968	3141	2624	2377	2000	1708	1688	1410	1341	1107	953	929
Wind (km/h)	ESE	SE	SE	SE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	E	E	E	E	ESE	ENE	ENE
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	cross	cross	cross	cross	cross	cross	cross	cross-off	cross-off
High Tide				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


	—	—	—	—	6:07	—	—	—	—	—	—	—	6:07	—	—	—	—	—	—
	5:44	—	—	—	—	—	—	—	5:44	—	—	—	—	—	—	—	5:45	—	—
mm	—	—	1	1	—	—	—	—	—	—	1	—	—	—	—	—	—	—	—
Temp °C	15	15	15	15	15	14	14	14	14	14	14	14	14	14	14	16	15	15	12
Feels °C	11	11	11	10	9	7	7	7	6	6	6	6	7	6	7	8	6	8	5
Swell 1 Height (m) Direction Period (s)	SSW 17	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	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
kJ	2408	2068	1993	1750	2033	2303	2612	2968	3141	2624	2377	2000	1708	1688	1410	1341	1107	953	929
Swell 2 Height (m) Direction Period (s)	—	—	S 9	—	—	—	—	—	—	S 7	S 7	—	—	—	—	—	—	S 28	SW 26
kJ	—	—	6	—	—	—	—	—	—	38	87	—	—	—	—	—	—	15	27
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	SE 6	SE 5	ESE 5	SE 5	SE 5	SSE 6	SSE 6	SE 6	SE 6	SE 6	SE 7	SE 7	SE 7	SE 8	SE 7	SE 8	SE 8	ESE 8	ESE 8
kJ	58	45	39	42	64	138	119	124	149	212	355	470	452	435	372	359	402	436	335
Nearest Offshore or Glassy	Bay Left Wall WA - Perth South	Bunbury The Wall WA - Perth South	Cozies and Geeries WA - Perth City	Bunbury Bay WA - Perth South	Bunbury Bay WA - Perth South	Bunbury Bay WA - Perth South	Bunbury Bay WA - Perth South	Bunbury Bay 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	Deepdene WA - Margaret River	Hush Hush Beach WA - Far South	Hush Hush Beach WA - Far South	Bay Left Wall WA - Perth South	Bay Left Wall WA - Perth South
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3
Distance (km)	439	439	460	440	440	440	440	440	440	440	439	439	439	439	481	385	385	439	439
Best forecast wave conditions in Far South of Western Australia																Mandalay Beach	Mandalay Beach
Rating (10 max)																5	5
Best forecast wave conditions in Australia	Bunker Bay Bommie WA - Margaret River	Flatrock SA - Eyre Peninsula	Conto Springs WA - Margaret River	Conto Springs WA - Margaret River	Conto Springs WA - Margaret River	Douglas Point SA - East Coast	Conto Springs WA - Margaret River	Cobblestones 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	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	May's Point TAS - East Coast
Rating (10 max)	4	7	7	8	9	8	9	9	8	8	7	6	6	6	5	5	5	8	7
Header Global	Supertubes Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Supertubes Australia	Cobblestones Australia	Cobblestones Australia	Gas Bay Australia	Gas Bay Australia	Cobblestones Australia	Gas Bay Australia	Saint Leu Reunion	Cobblestones Australia	Cobblestones Australia	Saint Leu Reunion	Saint Leu Reunion	May's Point Australia
Rating (10 max)	6	5	5	5	5	5	8	9	8	8	7	6	6	9	5	5	9	9	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 (08 Sep):

Short Range Forecast

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