Big Rock 48 hour detailed Surf Forecast

Lat Long: 33.87° S 114.98° E

Issued: 7 am 27 Jul 2026 (local time)

Forecast update in hr min

Today's Big Rock sea temperature is

19.0° C

Big Rock 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 Big Rock today (27 Jul):

Morning surf: Morning surf (27 Jul, local time) - 11ft (3.5m), 12s period with SW swell.
Afternoon surf: Afternoon surf (27 Jul, local time) - 11ft (3.5m), 12s period with SW swell.
Evening surf: Evening surf (27 Jul, local time) - 10ft (3.0m), 14s period with SW swell.

The current surf forecast for Big Rock at 2PM is: 3.5m 12s primary swell from a Southwest direction (forecast issued at 07:00am July 27). The wind direction is predicted to be cross-shore.

Time (AWST) & Date	Wave Height	Wave Period
Morning (27 Jul)	11ft (3.5m)	12s
Afternoon (27 Jul)	11ft (3.5m)	12s
Evening (27 Jul)	10ft (3.0m)	14s

Table - waves today at Big Rock. (Swell directed towards the surf break)

	Short Range Forecast Mostly dry. Very mild (max 15°C on Tue afternoon, min 11°C on Tue night). Wind will be generally light.
	Monday 27							Tuesday 28								Wednesday 29
	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)	4	3	3	3	4	4	5	5	5	5	5	4	4	5	5	5	4	4	4	4	4	4	4
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 13	SW 12	SW 12	SW 12	SW 12	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13
Wave Graph
kJ	5071	4261	3588	3120	3054	4176	4310	4005	3781	3495	3325	3126	2782	2626	2824	2108	1819	1607	2042	1498	1286	1204	1006
Wind (km/h)	S	S	S	S	SSE	SSE	SSE	SE	SE	SE	ESE	SSW	S	SE	ESE	ENE	ENE	NE	NE	NNE	NE	ENE	E
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	off	cross-on	cross	cross-off	off	off	cross-off	cross-off	cross-off	cross-off	cross-off	off	off
High Tide		7:34AM1.04m									8:09AM1.06m								8:45AM1.06m
Low Tide						5:20PM0.32m								5:34PM0.33m								5:50PM0.35m


	7:16	—	—	—	—	—	—	—	7:16	—	—	—	—	—	—	—	7:15	—	—	—	—	—	—
	—	—	—	—	5:36	—	—	—	—	—	—	—	5:37	—	—	—	—	—	—	—	5:37	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	14	14	14	14	14	14	13	13	13	13	14	15	14	13	12	12	11	11	13	15	15	14	14
Feels °C	10	10	10	9	10	10	10	10	10	9	11	12	11	9	8	8	7	7	9	12	12	11	11
Swell 1 Height (m) Direction Period (s)	SW 13	SW 12	SW 12	SW 12	SW 12	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13
kJ	5071	4261	3588	3120	3054	4176	4310	4005	3781	3495	3325	3126	2782	2626	2824	2108	1819	1607	2042	1498	1286	1204	1006
Swell 2 Height (m) Direction Period (s)	—	—	—	—	—	SW 24	SW 24	SW 24	SW 22	SW 22	SW 21	SW 21	SW 19	SW 19	SW 19	SW 17	SW 17	SW 17	SW 18	SW 17	SW 16	SW 16	SW 16
kJ	—	—	—	—	—	22	22	22	73	118	224	341	800	940	627	1245	1399	1415	781	929	865	617	602
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	NNE 4	NNE 5	S 10
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	6	7	65
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Injidup Point WA - Margaret River	Injidup Point WA - Margaret River	Injidup Point WA - Margaret River	Injidup Point WA - Margaret River	Injidup Point WA - Margaret River	Huzzawouie (Huzzas) WA - Margaret River	Big Rock WA - Margaret River	Big Rock WA - Margaret River	Big Rock WA - Margaret River	Big Rock WA - Margaret River	Big Rock WA - Margaret River	Huzzawouie (Huzzas) WA - Margaret River	Huzzawouie (Huzzas) WA - Margaret River	Big Rock WA - Margaret River	Big Rock WA - Margaret River	Big Rock WA - Margaret River	Cobblestones WA - Margaret River	Cobblestones WA - Margaret River	Big Rock WA - Margaret River	Big Rock WA - Margaret River	Big Rock WA - Margaret River	Big Rock WA - Margaret River	Big Rock WA - Margaret River
Rating (10 max)	5	5	4	4	4	5	5	5	5	5	5	5	5	5	5	5	5	5	4	4	4	4	4
Distance (km)	20	20	20	20	20	1	0	0	0	0	0	1	1	0	0	0	0	0	0	0	0	0	0
Best forecast wave conditions in Margaret River	Injidup Point	Injidup Point	Injidup Point	Injidup Point	Injidup Point	Yallingup Beach	Margaret River Bommie	Margaret River Bommie	Margaret River Bommie	Margaret River Bommie	Margaret River Bommie	Supertubes	Gas Bay	Margaret River Bommie	Margaret River Bommie	Margaret River Bommie	Margaret River Bommie	Margaret River Bommie	Margaret River Bommie	Margaret River Bommie	Margaret River Bommie	Margaret River Bommie	Margaret River Bommie
Rating (10 max)	5	5	4	4	4	5	5	5	5	5	5	5	5	5	5	5	5	5	5	4	4	4	4
Best forecast wave conditions in Australia	The Spot WA - Perth City	Injidup Point WA - Margaret River	Bruny Island - Cloudy Bay TAS - East Coast	Shipstern Bluff TAS - East Coast	Remarkable Caves TAS - East Coast	Yallingup Beach WA - Margaret River	Margaret River Bommie WA - Margaret River	Margaret River Bommie WA - Margaret River	Margaret River Bommie WA - Margaret River	Margaret River Bommie WA - Margaret River	Margaret River Bommie WA - Margaret River	Supertubes WA - Margaret River	Gas Bay WA - Margaret River	Cyclops WA - Far South	Margaret River Bommie WA - Margaret River	Cyclops WA - Far South	Cyclops WA - Far South	Margaret River Bommie WA - Margaret River	Margaret River Bommie WA - Margaret River	Margaret River Bommie WA - Margaret River	Cyclops WA - Far South	Margaret River Bommie WA - Margaret River	Bancoora VIC - Torquay
Rating (10 max)	5	5	4	4	4	5	5	5	5	5	5	5	5	5	5	5	5	5	5	4	4	4	4
Header Global	Saint Leu Reunion	Saint Leu Reunion	Etang-Sale Reunion	Chameau Mauritius	Dolphin Point South Africa	Chameau Mauritius	Chameau Mauritius	Chameau Mauritius	Cobblestones Australia	Fish Boma South Africa	Cape St Martin South Africa	Costa Azul Mexico	Costa Azul Mexico	Cape St Martin South Africa	Cow Bombie Australia	Trial Harbour Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Point Roadnight Australia	Point Roadnight Australia	Point Roadnight Australia	Ahijedero Mexico
Rating (10 max)	5	5	6	5	5	5	5	5	5	6	5	5	5	5	5	9	5	5	5	7	5	6	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)

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Big Rock 48 hour detailed Surf Forecast

How big are the waves at Big Rock today (27 Jul):

Short Range Forecast

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