Backdoor 4 48 hour detailed Surf Forecast

Lat Long: 33.28° S 151.57° E

Issued: 4 pm 12 Oct 2026 (local time)

Forecast update in hr min

Today's Backdoor 4 sea temperature is

19.9°C

Backdoor 4 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 Backdoor 4 today (13 Oct):

Afternoon surf: Afternoon surf (13 Oct, local time) - 1.5ft (0.5m), 6s period with NE swell.
Evening surf: Evening surf (13 Oct, local time) - 6ft (1.8m), 6s period with NE swell.

The current surf forecast for Backdoor 4 at 12AM is: 1.1m 7s primary swell from a Northeast direction and 0.2m 8s secondary swell from a East-southeast direction (forecast issued at 04:00pm October 12). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AEDT) & Date	Wave Height	Wave Period
Morning (13 Oct)	-	-
Afternoon (13 Oct)	1.5ft (0.5m)	6s
Evening (13 Oct)	6ft (1.8m)	6s

Table - waves today at Backdoor 4. (Swell directed towards the surf break)

	Short Range Forecast Heavy rain (total 25mm), heaviest during Tue night. Warm (max 33°C on Mon afternoon, min 15°C on Tue night). Winds increasing (calm on Mon night, strong winds from the S by Tue night).
	Mon 12				Tuesday 13								Wednesday 14
	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)	0	0	2	0	0	1	1	0	1	2	2	1	!	!	!	!	!	!	!	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ENE 8	NE 6	NE 6	NE 6	ENE 7	ENE 8	NE 8	NE 8	S 6	SSE 7	SSE 7	SSE 6	SSE 7	S 8	S 10	S 10	S 9	S 9	S 8	S 8
Wave Graph
kJ	14	31	236	97	86	72	64	62	119	163	198	150	545	1190	2074	1827	1252	798	579	464
Wind (km/h)	NNE	NE	W	SSW	W	S	SW	S	SSE	SE	S	S	S	S	S	S	S	S	SSE	SSE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	on	cross-on	glassy	cross-off	cross	off	cross-off	off	off	cross-off	off	off	off	off	off	off	off	off	off	cross-off
High Tide				10:10PM1.22m				10:19AM1.56m				10:49PM1.13m				10:54AM1.51m
Low Tide		4:13PM0.16m				3:55AM0.28m				4:54PM0.20m				4:26AM0.35m					5:37PM0.26m


	—	—	—	—	—	6:16	—	—	—	—	—	—	—	6:15	—	—	—	—	—	—
	—	7:02	—	—	—	—	—	—	—	7:04	—	—	—	—	—	—	—	7:05	—	—
mm	—	—	—	—	2	2	—	—	—	1	8	3	8	1	—	—	—	—	—	—
Temp °C	33	32	30	26	20	18	19	18	18	18	17	17	15	15	15	16	15	16	17	16
Feels °C	30	31	29	23	18	19	19	17	18	17	14	14	7	7	8	9	8	10	12	11
Swell 1 Height (m) Direction Period (s)	ENE 8	E 8	NE 6	NE 6	ENE 7	ENE 8	S 5	NE 8	NE 8	NE 7	NE 7	ENE 10	ENE 10	ENE 9	ENE 9	ENE 9	ENE 9	ENE 9	S 14	S 12
kJ	14	12	105	97	86	72	33	62	28	19	8	18	31	16	17	16	16	16	64	214
Swell 2 Height (m) Direction Period (s)	SSE 5	ESE 8	SE 8	ESE 8	ESE 7	SE 7	NE 8	S 16	E 8	E 9	ENE 9	NE 7	NNE 7	NE 7	NNE 7	NNE 7	S 18	S 16	ENE 8	ENE 8
kJ	3	6	9	6	5	2	64	5	6	14	17	7	5	7	5	4	6	21	23	22
Swell 3 Height (m) Direction Period (s)	ESE 8	SSE 5	S 6	S 15	S 5	S 17	SE 7	—	S 16	S 16	—	—	S 15	N 11	—	NE 11	N 11	E 15	E 15	E 15
kJ	6	2	1	4	1	6	2	—	5	5	—	—	4	2	—	5	2	4	4	4
Wind waves Height (m) Direction Period (s)	NE 5	NE 6	NE 6	SW 2	WSW 3	S 4	—	S 6	S 6	SSE 7	SSE 7	SSE 6	SSE 7	S 8	S 10	S 10	S 9	S 9	S 8	S 8
kJ	10	31	236	1	2	18	—	52	119	163	198	150	545	1190	2074	1827	1252	798	579	464
Nearest Offshore or Glassy	Little Avalon NSW - Sydney North Coast	Lakes Beach NSW - Newcastle	Backdoor 4 NSW - Newcastle	Boat Ramp NSW - Newcastle	Sunset NSW - Newcastle	Backdoor 4 NSW - Newcastle	Backdoor 4 NSW - Newcastle	Little Bombie NSW - Newcastle	Backdoor 4 NSW - Newcastle	Backdoor 4 NSW - Newcastle	Backdoor 4 NSW - Newcastle	Backdoor 4 NSW - Newcastle	Elim NSW - Port Macquarie	Mollymook Beach NSW - South Coast	Kiama Pool NSW - Illawarra	Plantation Point NSW - South Coast	Plantation Point NSW - South Coast	Mollymook Beach NSW - South Coast	Tuncurry-North Wall NSW - Port Macquarie	Newport Reef NSW - Sydney North Coast
Rating (10 max)	1	1	2	1	1	1	1	1	1	2	2	1	2	3	4	1	1	2	1	4
Distance (km)	45	3	0	0	2	0	0	0	0	0	0	0	139	248	168	215	215	248	151	48
Best forecast wave conditions in Newcastle		Lakes Beach	Crackneck	Little Bombie	Crackneck	Little Bombie	Little Bombie	Little Bombie	JD Reef	Backdoor 4	JD Reef	JD Reef
Rating (10 max)		1	2	1	1	1	1	1	1	2	2	1
Best forecast wave conditions in Australia	Surfers Point WA - Margaret River	Boneyard NSW - Illawarra	Crackneck NSW - Newcastle	Bancoora VIC - Torquay	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Surfers Point WA - Margaret River	JD Reef NSW - Newcastle	Blacknose Point VIC - Far West	Bunker Bay Bommie WA - Margaret River	Snapper Rocks QLD - Gold Coast	Cyclops WA - Far South	Cyclops WA - Far South	Trial Harbour TAS - West Coast	Guillotines NSW - South Coast	Daly Heads SA - Yorke Peninsula	Daly Heads SA - Yorke Peninsula	Guillotines NSW - South Coast	Trial Harbour TAS - West Coast
Rating (10 max)	5	1	2	5	4	4	4	5	1	6	2	1	4	4	7	2	3	3	4	4
Header Global	Cobblestones Australia	The Bombie Indonesia	Benkunqut Indonesia	Bancoora Australia	Cathedral Rock Australia	Cathedral Rock Australia	Point Roadnight Australia	Bali Village Indonesia	Outside Corner Indonesia	Outside Corner Indonesia	Ahijedero Mexico	Ahijedero Mexico	Viri Inga O Tuki Chile	Viri Inga O Tuki Chile	Trial Harbour Australia	Asu Indonesia	Viri Inga O Tuki Chile	Ahijedero Mexico	Ahijedero Mexico	Benkunqut Indonesia
Rating (10 max)	5	5	5	5	7	6	7	5	5	5	4	4	5	5	7	4	7	4	4	4

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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Backdoor 4 48 hour detailed Surf Forecast

How big are the waves at Backdoor 4 today (13 Oct):

Short Range Forecast

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