NIne Mile Beach 48 hour detailed Surf Forecast

Lat Long: 33.90° S 121.80° E

Issued: 1 am 21 Sep 2026 (local time)

Forecast update in hr min

Today's NIne Mile Beach sea temperature is

17.3°C

NIne Mile Beach 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 NIne Mile Beach today (21 Sep):

Morning surf: Morning surf (21 Sep, local time) - 10ft (3.0m), 15s period with SSW swell.
Afternoon surf: Afternoon surf (21 Sep, local time) - 8ft (2.5m), 15s period with SSW swell.
Evening surf: Evening surf (21 Sep, local time) - 7.5ft (2.3m), 14s period with SSW swell.

The current surf forecast for NIne Mile Beach at 9AM is: 3.0m 15s primary swell from a South-southwest direction (forecast issued at 01:00am September 21). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AWST) & Date	Wave Height	Wave Period
Morning (21 Sep)	10ft (3.0m)	15s
Afternoon (21 Sep)	8ft (2.5m)	15s
Evening (21 Sep)	7.5ft (2.3m)	14s

Table - waves today at NIne Mile Beach. (Swell directed towards the surf break)

	Short Range Forecast Some drizzle, heaviest during Wed afternoon. Warm (max 22°C on Tue morning, min 12°C on Mon morning). Winds decreasing (fresh winds from the SW on Tue afternoon, calm by Wed night).
	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)	3	3	2	4	2	0	2	3	4	4	3	4	1	1	3	1	2	2	2	2	1	0	1	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 13	SSW 13	SSW 13	SSW 13	SSW 13	SSW 12	SSW 12
Wave Graph
kJ	3469	3609	3465	3243	3030	2593	2408	1956	2025	1772	1556	1435	1396	1647	2061	1977	1787	1599	1449	1342	1134	1116	980	800
Wind (km/h)	NE	NE	NE	NNE	ESE	ESE	E	NE	NE	NNE	N	W	SW	SSW	WSW	SW	SSW	S	SSE	SSE	S	SSE	SE	SE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross-off	cross-on	cross-on	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross	cross-on	cross	cross-on	cross-on	on	on	on	on	on	on	cross-on
High Tide	1:52AM0.66m			8:10AM0.76m					00:09AM0.59m			8:42AM0.82m				10:45PM0.59m				9:12AM0.88m				10:25PM0.64m
Low Tide		2:12AM0.66m				4:23PM0.21m				2:31AM0.57m				4:15PM0.19m				2:58AM0.48m				4:19PM0.19m


	—	5:45	—	—	—	—	—	—	—	5:43	—	—	—	—	—	—	—	5:41	—	—	—	—	—	—
	—	—	—	—	—	5:46	—	—	—	—	—	—	—	5:47	—	—	—	—	—	—	—	5:49	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	—	—	—
Temp °C	12	10	12	18	20	17	18	15	16	16	17	22	17	16	15	15	15	15	15	15	15	15	15	14
Feels °C	8	5	7	15	18	12	14	11	13	13	13	19	12	14	15	13	14	13	14	13	13	13	14	13
Swell 1 Height (m) Direction Period (s)	SSW 15	SSW 15	SSW 15	SSW 15	SSW 15	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 13	SSW 13	SSW 13	SSW 13	SSW 13	SSW 12	SSW 12
kJ	3469	3609	3465	3243	3030	2593	2408	1956	2025	1772	1556	1435	1396	1647	2061	1977	1787	1599	1449	1342	1134	1116	980	800
Swell 2 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	ESE 6	E 6	E 6	E 6	ESE 6	ESE 7	E 7	SSW 5	E 7	E 7	E 7	E 7	E 7	SW 18	SSW 18
kJ	—	—	—	—	—	—	—	—	—	10	32	26	18	23	26	24	16	23	23	15	15	14	12	31
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	SW 18	SW 18
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	12	12
Wind waves Height (m) Direction Period (s)	—	NE 3	NE 4	NE 4	—	ESE 4	ESE 5	ESE 5	NE 4	—	—	—	SSW 14	—	—	SW 4	—	—	—	—	SSW 13	S 4	—	—
kJ	—	9	13	12	—	37	52	38	5	—	—	—	789	—	—	12	—	—	—	—	633	17	—	—
Nearest Offshore or Glassy	Sand Patch Beach WA - Far South	Salmon Bay WA - Far South	Salmon Bay WA - Far South	NIne Mile Beach WA - Far South	Bandy Creek groyne WA - Far South	Bunbury The Wall WA - Perth South	Hush Hush Beach WA - Far South	Mutton Bird Beach WA - Far South	NIne Mile Beach WA - Far South	NIne Mile Beach WA - Far South	Twilight Beach WA - Far South	NIne Mile Beach WA - Far South	Bunbury The Wall WA - Perth South	Cape Arid WA - Far South	Cape Arid WA - Far South	Sand Patch Beach WA - Far South	Bremer Bay WA - Far South	Bremer Bay WA - Far South	Cheynes Point WA - Far South	Mutton Bird Beach WA - Far South	Sand Patch Beach WA - Far South	Sand Patch Beach WA - Far South	Sand Patch Beach WA - Far South	Twelve Mile Beach WA - Far South
Rating (10 max)	5	4	4	4	4	4	4	4	4	4	4	4	3	3	3	4	3	3	2	4	4	4	3	2
Distance (km)	386	5	5	0	13	574	518	401	0	0	3	0	574	125	125	386	228	228	285	401	386	386	386	137
Best forecast wave conditions in Far South of Western Australia	Conspicuous Beach	Cyclops	Cyclops	Cyclops	Cheynes Point		Mandalay Beach	Windy Harbour	Windy Harbour	Windy Harbour	Mandalay Beach	Cyclops		Cape Arid	Cape Arid	Ocean Beach	Windy Harbour	Windy Harbour	Windy Harbour	Conspicuous Beach	Sand Patch Beach	Sand Patch Beach	Windy Harbour	Windy Harbour
Rating (10 max)	5	5	5	5	4		4	5	4	4	4	4		3	3	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	Daly Heads SA - Yorke Peninsula	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	4	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:
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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NIne Mile Beach 48 hour detailed Surf Forecast

How big are the waves at NIne Mile Beach today (21 Sep):

Short Range Forecast

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