Twelve Mile Beach 48 hour detailed Surf Forecast

Lat Long: 33.95° S 120.32° E

Issued: 7 am 21 Jul 2026 (local time)

Forecast update in hr min

Today's Twelve Mile Beach sea temperature is

17.3° 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 (21 Jul):

Morning surf: Morning surf (21 Jul, local time) - 7ft (2.2m), 13s period with SSW swell.
Afternoon surf: Afternoon surf (21 Jul, local time) - 6ft (1.8m), 13s period with SSW swell.
Evening surf: Evening surf (21 Jul, local time) - 5ft (1.6m), 13s period with SSW swell.

The current surf forecast for Twelve Mile Beach at 11AM is: 1.8m 13s primary swell from a South-southwest direction and 0.1m 16s secondary swell from a Southeast direction (forecast issued at 07:00am July 21). The wind direction is predicted to be cross-onshore.

Time (AWST) & Date	Wave Height	Wave Period
Morning (21 Jul)	7ft (2.2m)	13s
Afternoon (21 Jul)	6ft (1.8m)	13s
Evening (21 Jul)	5ft (1.6m)	13s

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

	Short Range Forecast Light rain (total 2mm), mostly falling on Tue morning. Very mild (max 14°C on Tue morning, min 10°C on Thu night). Wind will be generally light.
	Tuesday 21							Wednesday 22								Thursday 23
	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	2	0	0	0	0	0	1	2	2	1	2	!	2	2	1	2	3	3	2	2	3	4
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSW 14	SW 13	SSW 13	SSW 13	SSW 14	SSW 13	SSW 13	SSW 13	SSW 14	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 14	SSW 14	SSW 14
Wave Graph
kJ	752	1551	1044	1012	1068	965	824	865	1355	2111	2784	3284	3469	3073	3032	2860	2824	2686	2351	2076	1797	1464	1267
Wind (km/h)	W	WSW	WSW	SW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	S	SSE	SSE	SE	ESE	E	ESE	ESE	E	ENE	NE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross-on	cross-on	cross-on	cross-on	on	on	cross-on	on	on	on	on	on	cross-on	cross-on	cross-on	cross	cross	cross	cross	cross-off	cross-off
High Tide	2:15AM0.53m			11:04AM0.48m					3:12AM0.56m									7:13AM0.60m
Low Tide		7:42AM0.46m				6:40PM0.17m								6:26PM0.14m								6:14PM0.12m


	6:58	—	—	—	—	—	—	—	6:58	—	—	—	—	—	—	—	6:58	—	—	—	—	—	—
	—	—	—	—	5:10	—	—	—	—	—	—	—	5:10	—	—	—	—	—	—	—	5:12	—	—
mm	—	—	1	—	—	—	—	—	—	—	—	—	1	—	—	—	—	—	—	—	—	—	—
Temp °C	12	12	14	14	14	14	13	13	14	14	14	14	14	14	13	13	14	14	14	14	13	13	12
Feels °C	7	8	9	8	9	9	9	9	10	10	10	10	10	10	8	9	11	11	10	10	9	9	8
Swell 1 Height (m) Direction Period (s)	SSW 14	SSW 13	SE 16	SE 16	SSW 14	SSW 13	SSW 13	SSW 13	SSW 14	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 14	SSW 14	SSW 14
kJ	752	888	10	10	1068	965	824	865	1355	2111	2784	3284	3469	3073	3032	2860	2824	2686	2351	2076	1797	1464	1267
Swell 2 Height (m) Direction Period (s)	SE 17	SSE 17	—	—	SE 16	SSE 16	SE 16	S 15	SE 15	S 16	SE 15	SE 15	SE 15	SE 14	SE 14	SE 14	—	—	—	—	—	—	S 18
kJ	12	28	—	—	10	25	10	5	9	5	9	8	8	8	8	8	—	—	—	—	—	—	99
Swell 3 Height (m) Direction Period (s)	SE 18	—	—	—	SSE 16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	12	—	—	—	25	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	—	SW 13	SSW 13	SSW 13	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	1551	1044	1012	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Cheynes Point WA - Far South	Cheynes Point WA - Far South	Bunbury The Wall WA - Perth South	Cheynes Point WA - Far South	Cheynes Point WA - Far South	Cheynes Point WA - Far South	Bremer Bay WA - Far South	Bremer Bay WA - Far South	Bremer Bay WA - Far South	Cheynes Point WA - Far South	Bay Left Wall WA - Perth South	Bay Left Wall WA - Perth South	Bay Left Wall WA - Perth South	Conspicuous Beach WA - Far South	Peaceful Bay WA - Far South	Nanarup Beach WA - Far South	Cheynes Point WA - Far South	Cheynes Point WA - Far South	Nanarup Beach WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Mylies Beach WA - Far South	Twelve Mile Beach WA - Far South
Rating (10 max)	4	4	3	3	3	3	3	3	4	4	3	3	3	5	4	4	4	4	4	4	4	4	4
Distance (km)	153	153	439	153	153	153	97	97	97	153	439	439	439	340	334	243	153	153	243	260	260	34	0
Best forecast wave conditions in Far South of Western Australia	Cheynes Point	Cheynes Point		Cheynes Point	Cheynes Point	Cheynes Point	Cheynes Point	Cheynes Point	Cheynes Point	Cheynes Point				Conspicuous Beach	Hush Hush Beach	Rocky Head	Rocky Head	Mandalay Beach	Sand Patch Beach	Cyclops	Cyclops	Cyclops	Cyclops
Rating (10 max)	4	4		3	3	3	3	3	4	4				5	5	5	5	5	5	4	4	4	4
Best forecast wave conditions in Australia	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Redgate WA - Margaret River	Surfers Point WA - Margaret River	Gas Bay WA - Margaret River	Injidup Carpark WA - Margaret River	Gas Bay WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Point Roadnight VIC - Torquay	Sand Patch Beach WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River
Rating (10 max)	4	4	4	4	4	4	4	4	5	6	6	6	5	5	5	5	5	6	5	4	4	4	4
Header Global	Diners Beach New Zealand	Purakaunui Bay New Zealand	Purakaunui Bay New Zealand	Asu Indonesia	Asu Indonesia	Aganoa Beach Samoa	Chameau Mauritius	Sea Vista South Africa	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Gas Bay Australia	Injidup Carpark Australia	Gas Bay Australia	Viri Inga O Tuki Chile	Cathedral Rock Australia	Viri Inga O Tuki Chile	Point Roadnight Australia	Boulders Samoa	Cobblestones Australia	Brak River South Africa	Benkunqut Indonesia	Barbel Point South Africa
Rating (10 max)	5	5	5	4	4	4	4	5	5	5	6	6	5	5	8	9	6	6	4	4	4	4	4

Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Latest Updates

Ben Mondy

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Twelve Mile Beach 48 hour detailed Surf Forecast

How big are the waves at Twelve Mile Beach today (21 Jul):

Short Range Forecast

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