Augusta Rivermouth 48 hour detailed Surf Forecast

Lat Long: 34.33° S 115.16° E

Issued: 1 am 21 Sep 2026 (local time)

Forecast update in hr min

Today's Augusta Rivermouth sea temperature is

17.8°C

Augusta Rivermouth 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 Augusta Rivermouth today (21 Sep):

Morning surf: Morning surf (21 Sep, local time) - 11ft (3.5m), 15s period with SW swell.
Afternoon surf: Afternoon surf (21 Sep, local time) - 10ft (3.0m), 15s period with SW swell.
Evening surf: Evening surf (21 Sep, local time) - 8ft (2.5m), 15s period with SW swell.

The current surf forecast for Augusta Rivermouth at 8AM is: 3.5m 15s primary swell from a Southwest direction (forecast issued at 01:00am September 21). The wind direction is predicted to be glassy and the swell rating is 11.

Time (AWST) & Date	Wave Height	Wave Period
Morning (21 Sep)	11ft (3.5m)	15s
Afternoon (21 Sep)	10ft (3.0m)	15s
Evening (21 Sep)	8ft (2.5m)	15s

Table - waves today at Augusta Rivermouth. (Swell directed towards the surf break)

	Short Range Forecast Mostly dry. Very mild (max 16°C on Tue morning, min 13°C on Mon morning). Wind will be generally light.
	Monday 21								Tuesday 22								Wednesday 23
	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)	!	!	!	!	4	3	3	4	4	3	4	4	3	3	3	3	4	4	4	3	3	3	3	4
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 15	SW 15	SW 15	SW 15	SW 15	SW 15	SW 15	SW 15	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 12	SW 12	SW 12	SW 13
Wave Graph
kJ	5432	5190	4957	4621	4134	3874	3470	2919	2667	2630	3143	3659	3508	3048	2845	2494	2207	1922	1677	1558	1385	1169	1150	974
Wind (km/h)	N	WNW	WSW	SW	WSW	WSW	SSW	S	NE	ENE	NE	SW	SW	SSW	SSE	SE	ESE	NNE	W	SW	WSW	WSW	WSW	W
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	glassy	glassy	glassy	cross	cross	cross	cross-on	glassy	glassy	cross	glassy	glassy	cross	cross-on	on	on	glassy	glassy	glassy	cross-on	cross	cross	cross	cross-off
High Tide			7:46AM0.64m						00:04AM0.49m			8:19AM0.69m				10:28PM0.45m				8:52AM0.72m				9:41PM0.44m
Low Tide						4:03PM0.23m			00:59AM0.49m					4:13PM0.25m			1:43AM0.41m					4:21PM0.28m


	—	6:11	—	—	—	—	—	—	—	6:09	—	—	—	—	—	—	—	6:07	—	—	—	—	—	—
	—	—	—	—	—	6:14	—	—	—	—	—	—	—	6:15	—	—	—	—	—	—	—	6:15	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	12	13	13	15	15	15	15	15	13	14	13	16	15	15	15	15	15	14	14	16	16	16	15	15
Feels °C	12	13	12	13	12	13	13	14	12	12	12	15	13	13	13	13	14	14	14	14	13	14	13	14
Swell 1 Height (m) Direction Period (s)	SW 15	SW 15	SW 15	SW 15	SW 15	SW 15	SW 15	SW 15	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 12	SW 12	SW 12	SW 13
kJ	5432	5190	4957	4621	4134	3874	3470	2919	2667	2630	3143	3659	3508	3048	2845	2494	2207	1922	1677	1558	1385	1169	1150	974
Swell 2 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	SSW 18	SSW 18	SSW 16	SSW 16	SW 16
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	31	31	179	175	558
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	SW 16	SSW 9
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	310	115
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Deepdene WA - Margaret River	Conto Springs WA - Margaret River	Conto Springs WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	Conto Springs WA - Margaret River	Augusta Rivermouth WA - Margaret River	Augusta Rivermouth WA - Margaret River	Deepdene WA - Margaret River	Augusta Rivermouth WA - Margaret River	Augusta Rivermouth WA - Margaret River	Hussas WA - Margaret River	Conto Springs WA - Margaret River	Conto Springs WA - Margaret River	Deepdene WA - Margaret River	Augusta Rivermouth WA - Margaret River	Augusta Rivermouth WA - Margaret River	Augusta Rivermouth WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	Augusta Rivermouth WA - Margaret River
Rating (10 max)	5	6	5	5	5	5	5	4	4	4	4	4	5	4	4	4	4	4	4	4	4	4	4	4
Distance (km)	5	24	24	55	55	55	24	0	0	5	0	0	55	24	24	5	0	0	0	55	55	55	55	0
Best forecast wave conditions in Margaret River	Surfers Point	Surfers Point	Surfers Point	Injidup Point	Injidup Point	Hussas	Yallingup Beach	Surfers Point	Surfers Point	Surfers Point	Surfers Point	Supertubes	Hussas	Conto Springs	Surfers Point	Surfers Point	Surfers Point	Surfers Point	Surfers Point	Injidup Point	Hussas	Hussas	Injidup Point	Injidup Point
Rating (10 max)	6	6	6	5	5	5	5	5	4	4	5	5	5	4	4	4	4	4	4	4	4	4	4	4
Best forecast wave conditions in Australia	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Cyclops WA - Far South	Ethel Wreck SA - Yorke Peninsula	Blacknose Point VIC - Far West	Cape Northumberland SA - East Coast	Surfers Point WA - Margaret River	Quarantine VIC - Mornington Peninsula	Luna Park VIC - Far West	Quarantine VIC - Mornington Peninsula	Quarantine VIC - Mornington Peninsula	Knights SA - East Coast	Remarkable Caves TAS - East Coast	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	Shipstern Bluff TAS - East Coast	Mount Cameron TAS - West Coast	Quarantine VIC - Mornington Peninsula	Luna Park VIC - Far West	Luna Park VIC - Far West
Rating (10 max)	6	6	6	5	5	6	8	5	5	9	5	6	5	5	8	7	6	5	5	4	4	4	4	4
Header Global	Shipwrecks Bay-Peaks New Zealand	Shipwreck Bay-Supertubes New Zealand	Cobblestones Australia	Cyclops Australia	Ethel Wreck Australia	Ahijedero Mexico	Ahijedero Mexico	Ouano Lefts New Caledonia	Easter Reef Australia	Easter Reef Australia	Cobblestones Australia	Quarantine Australia	Restaurants Fiji	Trial Harbour Australia	Trial Harbour Australia	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Nugget Point New Zealand	Papatowai New Zealand	Dunedin - Bobs Beach New Zealand	Papatowai New Zealand	Papatowai New Zealand
Rating (10 max)	8	8	6	5	5	4	4	6	8	9	5	6	5	9	9	9	9	9	8	6	7	7	9	6

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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Augusta Rivermouth 48 hour detailed Surf Forecast

How big are the waves at Augusta Rivermouth today (21 Sep):

Short Range Forecast

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