Twelve Mile Beach 48 hour detailed Surf Forecast

Lat Long: 33.95° S 120.32° E

Issued: 1 am 09 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 (09 Sep):

Morning surf: Morning surf (09 Sep, local time) - 6ft (1.8m), 16s period with SSW swell.
Afternoon surf: Afternoon surf (09 Sep, local time) - 5.5ft (1.7m), 16s period with SSW swell.
Evening surf: Evening surf (09 Sep, local time) - 4.5ft (1.4m), 15s period with SSW swell.

The current surf forecast for Twelve Mile Beach at 9AM is: 1.8m 16s primary swell from a South-southwest direction and 1.7m 7s secondary swell from a Southeast direction (forecast issued at 01:00am September 09). The wind direction is predicted to be cross-offshore.

Time (AWST) & Date	Wave Height	Wave Period
Morning (09 Sep)	6ft (1.8m)	16s
Afternoon (09 Sep)	5.5ft (1.7m)	16s
Evening (09 Sep)	4.5ft (1.4m)	15s

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

	Short Range Forecast Mostly dry. Very mild (max 17°C on Thu afternoon, min 10°C on Wed morning). Winds decreasing (strong winds from the E on Wed afternoon, light winds from the E by Fri night).
	Wednesday 9								Thursday 10								Friday 11
	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)	0	2	2	0	0	0	1	2	2	2	2	2	0	1	1	2	2	2	2	3	0	0	2	3
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 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 14	SSW 14	SSW 15	SSW 15	SSW 16	SSW 16	SSW 16	SSW 15	SSW 19	SSW 19	SSW 19	SSW 16	SSW 18
Wave Graph
kJ	2000	1708	1688	1569	1341	1169	1079	929	746	726	610	565	478	485	539	575	493	469	367	566	885	470	397	404
Wind (km/h)	E	E	ENE	E	E	E	ENE	ENE	ENE	NE	ENE	ENE	E	E	NE	ENE	NE	ENE	ENE	ENE	ESE	ESE	E	NNW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross-off	cross-off	cross	cross	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-on	cross-on	cross	off
High Tide	11:25PM0.41m			10:09AM0.85m					11:15PM0.45m			10:37AM0.81m					11:13PM0.51m			11:00AM0.73m
Low Tide		3:29AM0.29m					5:25PM0.03m			4:06AM0.22m					5:31PM0.09m			4:40AM0.18m					5:30PM0.15m


	—	6:07	—	—	—	—	—	—	—	6:05	—	—	—	—	—	—	—	6:03	—	—	—	—	—	—
	—	—	—	—	—	5:45	—	—	—	—	—	—	—	5:45	—	—	—	—	—	—	—	5:45	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	14	12	10	12	14	14	14	11	11	11	11	15	17	17	15	13	13	13	13	17	17	17	17	17
Feels °C	6	5	4	5	7	6	7	5	6	6	6	9	11	12	10	9	9	10	10	15	13	15	17	16
Swell 1 Height (m) Direction Period (s)	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 15	SSW 16	SSW 16	SSW 16	SSW 15	SSW 19	SSW 19	SSW 16	SSW 16	SSW 18
kJ	2000	1708	1688	1569	1341	1169	1079	929	746	726	610	565	478	485	539	575	493	469	367	566	885	280	397	404
Swell 2 Height (m) Direction Period (s)	—	—	—	—	—	—	S 28	SW 26	SSW 26	SSW 26	SE 8	SSW 24	SSW 24	SSW 23	SSW 24	ESE 7	ESE 7	ESE 8	ESE 8	SSW 14	ESE 8	SSW 19	SSW 19	SSW 14
kJ	—	—	—	—	—	—	15	27	66	66	110	55	108	107	54	68	76	83	67	239	40	470	322	178
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	S 26	—	—	SSW 25	—	—	SW 24	SSW 23	SSW 22	SSW 21	SSW 22	SSW 20	ESE 8	ESE 8	S 11	S 13	ESE 8
kJ	—	—	—	—	—	—	—	13	—	—	63	—	—	141	106	95	180	181	163	52	51	22	13	37
Wind waves Height (m) Direction Period (s)	SE 7	SE 7	SE 7	SE 7	SE 7	SE 7	ESE 7	ESE 7	ESE 7	ESE 8	ENE 4	ESE 7	ESE 7	ESE 7	ESE 7	NE 4	NE 3	NE 3	NE 3	—	E 8	SE 8	ESE 8	—
kJ	400	363	311	281	309	301	289	263	169	161	10	125	114	104	114	4	3	3	2	—	118	46	50	—
Nearest Offshore or Glassy	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	Mandalay Beach WA - Far South	Bay Left Wall WA - Perth South	Bay Left Wall WA - Perth South	Sand Patch Beach WA - Far South	Lights Beach WA - Far South	Lights Beach WA - Far South	Peaceful Bay WA - Far South	Lights Beach WA - Far South	Hush Hush Beach WA - Far South	Sand Patch Beach WA - Far South	Crazies WA - Far South	Crazies WA - Far South	Mylies Beach WA - Far South	Twelve Mile Beach WA - Far South	Nanarup Beach WA - Far South	Nanarup Beach WA - Far South	Wests and Seconds WA - Far South	Twelve Mile Beach WA - Far South
Rating (10 max)	4	4	4	4	4	4	5	3	3	4	4	4	3	4	4	4	2	3	2	3	3	3	3	3
Distance (km)	439	439	439	439	385	385	389	439	439	260	303	303	334	303	385	260	20	20	34	0	243	243	144	0
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	Windy Harbour	Mandalay Beach	Windy Harbour	Mandalay Beach	Cyclops	Cyclops	Cyclops	Cyclops	Windy Harbour	Windy Harbour	Cyclops	Lights Beach
Rating (10 max)					5	4	5			4	4	4	4	4	4	4	4	4	4	4	5	5	4	5
Best forecast wave conditions in Australia	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Margaret River Bommie 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	Bancoora VIC - Torquay	Left Point VIC - Phillip Island	Turtles WA - North West	JD Reef NSW - Newcastle	JD Reef NSW - Newcastle	Luna Park VIC - Far West	Luna Park VIC - Far West	Tessellated Pavements TAS - East Coast	Luna Park VIC - Far West	Luna Park VIC - Far West	Ethel Wreck SA - Yorke Peninsula	Flatrock SA - Eyre Peninsula	Tessellated Pavements TAS - East Coast	Tessellated Pavements TAS - East Coast	Luna Park VIC - Far West
Rating (10 max)	6	6	6	5	5	5	5	5	4	5	5	4	4	4	7	6	6	6	6	4	5	9	8	8
Header Global	Saint Leu Reunion	Cobblestones Australia	Saint Leu Reunion	Saint Leu Reunion	Saint Leu Reunion	Saint Leu Reunion	Saint Leu Reunion	Saint Leu Reunion	Etang-Sale Reunion	Papatowai New Zealand	Saint Leu Reunion	Saint Leu Reunion	Dunedin - Bobs Beach New Zealand	Blaketown Wedge New Zealand	Easter Reef Australia	Fox River New Zealand	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Blaketown Wedge New Zealand	Blaketown Wedge New Zealand	Tessellated Pavements Australia	Trial Harbour Australia	Trial Harbour Australia
Rating (10 max)	9	6	9	9	9	9	9	7	7	9	6	5	9	5	7	8	8	9	9	5	5	9	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)

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Twelve Mile Beach 48 hour detailed Surf Forecast

How big are the waves at Twelve Mile Beach today (09 Sep):

Short Range Forecast

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