Flat Rocks Beach (WA) 48 hour detailed Surf Forecast

Lat Long: 29.02° S 114.78° E

Issued: 7 am 19 Aug 2026 (local time)

Forecast update in hr min

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

18.7° 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 (19 Aug):

Morning surf: Morning surf (19 Aug, local time) - 7.5ft (2.3m), 16s period with SW swell.
Afternoon surf: Afternoon surf (19 Aug, local time) - 7ft (2.1m), 15s period with SW swell.
Evening surf: Evening surf (19 Aug, local time) - 8ft (2.4m), 16s period with SW swell.

The current surf forecast for Flat Rocks Beach (WA) at 10AM is: 2.3m 16s primary swell from a Southwest direction (forecast issued at 07:00am August 19). The wind direction is predicted to be offshore and the swell rating is 4.

Time (AWST) & Date	Wave Height	Wave Period
Morning (19 Aug)	7.5ft (2.3m)	16s
Afternoon (19 Aug)	7ft (2.1m)	15s
Evening (19 Aug)	8ft (2.4m)	16s

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

	Short Range Forecast Mostly dry. Warm (max 23°C on Fri afternoon, min 14°C on Thu morning). Wind will be generally light.
	Wednesday 19							Thursday 20								Friday 21
	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	4	4	2	2	3	4	4	5	5	4	0	2	1	3	3	3	3	4	2	1	3	4
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	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	SW 16	SW 16	SW 16	SW 15	SW 15	SW 15	SW 15	SW 15
Wave Graph
kJ	3182	2601	2237	1932	2120	2702	3482	3634	3868	3916	3525	3253	3222	2668	2653	2653	2453	2421	2197	1994	1941	2027	1760
Wind (km/h)	S	E	S	SSW	S	SSE	SE	SE	SE	SE	SSE	S	SSE	SSE	ESE	ESE	ESE	ESE	ESE	SSE	SSE	SE	ESE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	off	glassy	cross-on	cross-on	cross	cross-off	cross-off	cross-off	cross-off	cross	cross-on	cross	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross	cross	cross-off	cross-off
High Tide									2:11AM0.59m								2:59AM0.59m
Low Tide					4:42PM0.17m								4:11PM0.16m								3:49PM0.14m


	6:50	—	—	—	—	—	—	—	6:48	—	—	—	—	—	—	—	6:48	—	—	—	—	—	—
	—	—	—	—	5:59	—	—	—	—	—	—	—	5:59	—	—	—	—	—	—	—	6:00	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	16	16	16	17	17	17	16	15	15	14	17	18	18	18	17	16	15	16	21	23	20	19	20
Feels °C	14	14	15	15	15	15	13	11	12	11	15	14	13	13	13	11	10	12	18	20	15	15	16
Swell 1 Height (m) Direction Period (s)	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	SW 16	SW 16	SW 16	SW 15	SW 15	SW 15	SW 15	SW 15
kJ	3182	2601	2237	1932	2120	2702	3482	3634	3868	3916	3525	3253	3222	2668	2653	2653	2453	2421	2197	1994	1941	2027	1760
Swell 2 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	S 26	SW 24	SW 24	—	SSW 5
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	13	23	87	—	37
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	SW 22
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	163
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	S 5	—	—	—	—	—	—	S 4	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	36	—	—	—	—	—	—	15	—	—
Nearest Offshore or Glassy	Greenough River Mouth WA - North West	Flat Rocks Beach (WA) WA - North West	Flat Rocks Beach (WA) WA - North West	Greenough River Mouth WA - North West	Greenough River Mouth WA - North West	Greenough River Mouth 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	Greenough River Mouth WA - North West	Cathedral Rock WA - Rottnest Island	Cozies and Geeries WA - Perth City	Cozies and Geeries WA - Perth City	Greenough River Mouth WA - North West	Greenough River Mouth WA - North West	Greenough River Mouth WA - North West	Greenough River Mouth WA - North West	Flat Rocks Beach (WA) WA - North West	Dongara-Port Denison WA - North West	Bunbury The Wall WA - Perth South	Explosives (Geraldton Lighthouse) WA - North West	Flat Rocks Beach (WA) WA - North West
Rating (10 max)	4	4	4	4	4	4	5	5	5	5	4	4	4	4	4	4	4	4	4	4	4	4	4
Distance (km)	22	0	0	22	22	22	32	32	0	0	22	340	404	404	22	22	22	22	0	32	484	33	0
Best forecast wave conditions in North West WA	Jakes	Jakes	Red Bluff	Red Bluff	Explosives (Geraldton Lighthouse)	Dongara-Port Denison	Jakes	Red Bluff	Dongara-Port Denison	Dongara-Port Denison	Turtles	Turtles	Turtles	Turtles	Turtles	Dongara-Port Denison	Port Denison	Port Denison	Turtles	Turtles		Jakes	Port Denison
Rating (10 max)	5	5	5	5	4	5	5	5	6	6	5	5	5	4	4	5	5	5	4	4		4	5
Best forecast wave conditions in Australia	Jakes WA - North West	Jakes WA - North West	Red Bluff WA - North West	Red Bluff WA - North West	The Quarries WA - Margaret River	Ocean Beach WA - Far South	Grabbers WA - Perth City	Conspicuous Beach WA - Far South	Grabbers WA - Perth City	Douglas Point SA - East Coast	Turtles WA - North West	Luna Park VIC - Far West	Huzzawouie (Huzzas) WA - Margaret River	Turtles WA - North West	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	Turtles WA - North West	Conto Springs WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River
Rating (10 max)	5	5	5	5	5	5	6	7	6	6	5	5	7	4	8	7	6	6	6	4	6	7	6
Header Global	Bawa Indonesia	Bali Village Indonesia	Benkunqut Indonesia	Bommie Peak Indonesia	Benkunqut Indonesia	Benkunqut Indonesia	Bawa Indonesia	Bawa Indonesia	Bali Village Indonesia	Bali Village Indonesia	Asu Indonesia	Asu Indonesia	Boneyards South Africa	J-Bay South Africa	Gas Bay Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cathedral Rock Australia	Benkunqut Indonesia	Gas Bay Australia	Cobblestones Australia
Rating (10 max)	6	6	6	5	6	6	6	6	6	5	5	5	6	6	8	7	6	6	6	5	5	7	6

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 (19 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