Big Rock Surf Forecast

/ WA – Margaret River (57 breaks) / Western Australia (159 breaks) /

Australia (828 breaks)

Surf Forecasts:

Big Rock surfForecast / WA – Margaret River / Australia

48hr Weather and Surf, issued 1 pm Monday 27 Apr 2026 AWST

Forecast update in hr min s Forecast update imminent

Big Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Big Rock sea temperature is 20.9° C
(Which is normal for this time of year)

How big are the waves at Big Rock today?

The current surf forecast for Big Rock at 5PM is: 3.0m 16s primary swell from a Southwest direction (forecast issued at 01:00pm April 27). The wind direction is predicted to be cross-offshore and the swell rating is 5.

Time (AWST) & Date	Wave Height	Wave Period
Morning (27 Apr)	11ft (3.5m)	17s
Afternoon (27 Apr)	11ft (3.5m)	16s
Evening (27 Apr)	10ft (3.0m)	16s

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

Updates in hr min s Forecast update imminent

	Short Range Forecast Some drizzle, heaviest during Mon afternoon. Warm (max 20°C on Tue afternoon, min 14°C on Mon night). Wind will be generally light.
	Mon 27					Tuesday 28								Wednesday 29								Thu 30
	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	2 AM	5 AM	8 AM
Rating (10 max)	7	6	5	5	5	5	5	5	5	5	5	4	4	4	4	4	4	2	3	3	3	3	4	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 17	SW 16	SW 16	SW 16	SW 16	SW 15	SW 15	SW 15	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 14	SW 14
Wave Graph
kJ	6729	5622	4899	4777	4301	3926	3720	3916	3710	3420	3189	3017	2845	2845	2647	2491	2454	2275	2221	2076	1952	1904	2050	2229
Wind (km/h)	ESE	ESE	SE	SSE	SE	SE	SE	ESE	ESE	SE	SSE	SE	ESE	ESE	ESE	ESE	SSE	S	SSE	SSE	SSE	SSE	SSE	S
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	off	off	cross-off	cross-off	cross-off	cross-off	off	off	off	cross-off	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross
High Tide	9:26AM0.72m				8:48PM0.67m				8:58AM0.74m				9:58PM0.63m				8:44AM0.79m					11:34PM0.59m
Low Tide			3:26PM0.57m				2:35AM0.54m				3:56PM0.48m				2:05AM0.58m				4:30PM0.42m			00:45AM0.58m


	—	—	—	—	—	—	6:50	—	—	—	—	—	—	—	6:52	—	—	—	—	—	—	—	6:52	—
	—	—	5:44	—	—	—	—	—	—	—	5:43	—	—	—	—	—	—	—	5:42	—	—	—	—	5:40
mm	4	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	14	15	16	14	14	14	14	14	17	20	19	17	16	15	14	14	18	19	19	17	16	16	15	17
Feels °C	12	14	15	12	13	13	12	12	15	18	17	15	14	13	12	12	16	16	16	14	14	14	13	14
Swell 1 Height (m) Direction Period (s)	SW 17	SW 16	SW 16	SW 16	SW 16	SW 15	SW 15	SW 15	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 14	SW 14
kJ	6729	5622	4899	4777	4301	3926	3720	3916	3710	3420	3189	3017	2845	2845	2647	2491	2454	2275	2221	2076	1952	1904	2050	2229
Swell 2 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	SSE 4	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	11	—	—	—	—	—
Nearest Offshore or Glassy	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	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	Big Rock WA - Margaret River	Big Rock WA - Margaret River	Big Rock 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	Castle Rock WA - Margaret River	Injidup Point WA - Margaret River	Huzzawouie (Huzzas) WA - Margaret River	Huzzawouie (Huzzas) WA - Margaret River	Big Rock WA - Margaret River
Rating (10 max)	8	8	7	6	5	5	5	5	5	5	5	5	5	4	4	4	4	4	4	2	4	4	4	4
Distance (km)	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	34	20	1	1	0
Best forecast wave conditions in Margaret River	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	Margaret River Bommie	Margaret River Bommie	Supertubes	Margaret River Bommie	Margaret River Bommie	Margaret River Bommie	Margaret River Bommie	Margaret River Bommie	Margaret River Bommie	The Quarries	Conto Springs	Conto Springs	Gas Bay	Margaret River Bommie
Rating (10 max)	9	9	8	7	6	6	6	5	5	5	5	5	5	5	5	5	4	4	4	3	4	4	4	4
Best forecast wave conditions in Australia	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	Margaret River Bommie WA - Margaret River	Margaret River Bommie WA - Margaret River	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Margaret River Bommie WA - Margaret River	Margaret River Bommie WA - Margaret River	Luna Park VIC - Far West	Margaret River Bommie WA - Margaret River	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Quarantine VIC - Mornington Peninsula	Quarantine VIC - Mornington Peninsula	Trial Harbour TAS - West Coast	Quarantine VIC - Mornington Peninsula	Quarantine VIC - Mornington Peninsula	Shipstern Bluff TAS - East Coast	Quarantine VIC - Mornington Peninsula
Rating (10 max)	9	9	8	7	6	6	6	5	5	5	5	5	5	5	5	5	5	4	4	5	4	4	4	4
Header Global	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Trial Harbour Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Gas Bay Australia	Cobblestones Australia	Cobblestones Australia	Trial Harbour Australia	Banana Beach South Africa	Banana Beach South Africa	Glen Eden South Africa	Barbel Point South Africa	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Papatowai New Zealand
Rating (10 max)	9	9	8	7	6	6	6	6	5	5	5	5	5	5	5	5	8	9	9	8	7	7	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)

Latest Updates

Ben Mondy

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Big Rock Surf Forecast

Big Rock surfForecast / WA – Margaret River / Australia

How big are the waves at Big Rock today?

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