Flat Rocks Beach (WA) 48 hour detailed Surf Forecast

Lat Long: 29.02° S 114.78° E

Issued: 1 am 18 Aug 2026 (local time)

Forecast update in hr min

Today's Flat Rocks Beach (WA) sea temperature is

18.8° C

Flat Rocks Beach (WA) 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 Flat Rocks Beach (WA) today (18 Aug):

Morning surf: Morning surf (18 Aug, local time) - 11ft (3.5m), 16s period with SW swell.
Afternoon surf: Afternoon surf (18 Aug, local time) - 10ft (3.0m), 16s period with SW swell.
Evening surf: Evening surf (18 Aug, local time) - 10ft (3.0m), 16s period with SW swell.

The current surf forecast for Flat Rocks Beach (WA) at 6AM is: 3.5m 17s primary swell from a Southwest direction (forecast issued at 01:00am August 18). The wind direction is predicted to be offshore and the swell rating is 11.

Time (AWST) & Date	Wave Height	Wave Period
Morning (18 Aug)	11ft (3.5m)	16s
Afternoon (18 Aug)	10ft (3.0m)	16s
Evening (18 Aug)	10ft (3.0m)	16s

Table - waves today at Flat Rocks Beach (WA). (Swell directed towards the surf break)

	Short Range Forecast Mostly dry. Very mild (max 18°C on Thu morning, min 13°C on Tue morning). Wind will be generally light.
	Tuesday 18								Wednesday 19								Thursday 20
	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)	!	!	!	!	3	2	4	4	3	5	4	4	2	1	2	4	4	4	4	4	2	2	1	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 17	SW 17	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 15	SW 15	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16
Wave Graph
kJ	6115	6043	5658	5590	4991	4780	4549	4076	3589	3182	2601	2237	1932	2120	2736	3482	3820	3820	3916	3525	3253	3039	2839	2803
Wind (km/h)	SSW	SE	NE	ENE	SW	SW	SW	SSW	SSW	SSE	NE	NE	SSW	SSW	SSE	SE	SE	ESE	ESE	ESE	S	S	SSE	SE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-off	off	glassy	on	on	cross-on	cross-on	cross-on	glassy	off	glassy	cross-on	cross-on	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross-on	cross	cross	cross-off
High Tide	1:08AM0.57m								1:36AM0.59m									2:11AM0.59m
Low Tide						4:53PM0.19m								4:42PM0.17m								4:11PM0.16m


	—	6:50	—	—	—	—	—	—	—	6:50	—	—	—	—	—	—	—	6:48	—	—	—	—	—	—
	—	—	—	—	—	5:58	—	—	—	—	—	—	—	5:59	—	—	—	—	—	—	—	5:59	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	16	15	13	16	16	16	16	16	16	16	14	16	17	17	17	15	14	13	14	18	18	18	18	16
Feels °C	12	13	10	14	13	12	13	14	13	15	12	16	14	14	14	11	10	9	10	14	14	13	13	11
Swell 1 Height (m) Direction Period (s)	SW 17	SW 17	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 15	SW 15	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16
kJ	6115	6043	5658	5590	4991	4780	4549	4076	3589	3182	2601	2237	1932	2120	2736	3482	3820	3820	3916	3525	3253	3039	2839	2803
Swell 2 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	S 4	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	24	—
Nearest Offshore or Glassy	Jakes WA - North West	Separation Point WA - North West	Separation Point WA - North West	Separation Point WA - North West	Dirk Hartog Island WA - North West	Ocean Beach WA - Far South	Jakes WA - North West	Dongara-Port Denison WA - North West	Dongara-Port Denison WA - North West	Flat Rocks Beach (WA) WA - North West	Flat Rocks Beach (WA) WA - North West	Flat Rocks Beach (WA) WA - North West	Greenough River Mouth WA - North West	Bunbury The Wall WA - Perth South	Separation Point WA - North West	Greenough River Mouth WA - North West	Dongara-Port Denison WA - North West	Separation Point WA - North West	Separation Point WA - North West	Greenough River Mouth WA - North West	Dongara-Port Denison WA - North West	Bunbury The Wall WA - Perth South	Cozies and Geeries WA - Perth City	Explosives (Geraldton Lighthouse) WA - North West
Rating (10 max)	8	5	5	5	9	4	7	6	5	5	4	4	4	4	4	4	6	4	4	4	5	4	4	4
Distance (km)	156	30	30	30	353	710	156	32	32	0	0	0	22	484	30	22	32	30	30	22	32	484	404	33
Best forecast wave conditions in North West WA	Jakes	Jakes	Steep Point	Jakes	Steep Point		Jakes	Red Bluff	Jakes	Jakes	Jakes	Red Bluff	Red Bluff		Jakes	Jakes	Dongara-Port Denison	Dongara-Port Denison	Dongara-Port Denison	Turtles	Red Bluff	Lighthouse Bombie	Gnaraloo	Turtles
Rating (10 max)	8	9	9	9	9		7	6	6	5	5	5	5		5	5	6	6	6	5	5	5	4	4
Best forecast wave conditions in Australia	Jakes WA - North West	Jakes WA - North West	Steep Point WA - North West	Jakes WA - North West	Steep Point WA - North West	Luna Park VIC - Far West	Jakes WA - North West	Red Bluff WA - North West	Jakes WA - North West	Jakes WA - North West	Ocean Beach WA - Far South	Red Bluff WA - North West	Red Bluff WA - North West	Ocean Beach WA - Far South	Ocean Beach WA - Far South	Injidup Point WA - Margaret River	Injidup Point WA - Margaret River	The Spot WA - Perth City	Injidup Point WA - Margaret River	Injidup Point WA - Margaret River	Red Bluff WA - North West	Ocean Beach WA - Far South	Yallingup Beach WA - Margaret River	Gas Bay WA - Margaret River
Rating (10 max)	8	9	9	9	9	4	7	6	6	5	5	5	5	5	5	8	7	7	6	6	5	5	7	7
Header Global	Trial Harbour Australia	Steep Point Australia	Steep Point Australia	Red Bluff Australia	Dirk Hartog Island Australia	Papatowai New Zealand	Papatowai New Zealand	Jimmys Indonesia	Bali Village Indonesia	Mangamaunu New Zealand	Bali Village Indonesia	Papatowai New Zealand	Asu Indonesia	Bommie Peak Indonesia	Benkunqut Indonesia	Asu Indonesia	Asu Indonesia	Bali Village Indonesia	Asu Indonesia	Asu Indonesia	Asu Indonesia	Asu Indonesia	Asu Indonesia	Gas Bay Australia
Rating (10 max)	5	8	9	6	9	7	7	6	6	9	6	7	5	5	6	6	6	6	5	5	5	5	5	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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Flat Rocks Beach (WA) 48 hour detailed Surf Forecast

How big are the waves at Flat Rocks Beach (WA) today (18 Aug):

Short Range Forecast

Latest Updates

Summer's Short. Life Is Long.

Roadsurfing in the Basque country

Six Sun-Soaked Summer Surf Spots: Backed by 20 years of Swell and Wind Stats (and with our 20% Summer Subscription Sale)

Summer School: The Timeline of The Boardshort

How Our WaveFinder Tool Makes Forecasting Easier Than Ever Before

FREE! Surf-Forecast.com widget for your website