Backdoor 4 48 hour detailed Surf Forecast

Lat Long: 33.28° S 151.57° E

Issued: 4 am 12 Oct 2026 (local time)

Forecast update in hr min

Today's Backdoor 4 sea temperature is

19.8°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 (12 Oct):

Morning surf: Morning surf (12 Oct, local time) - 1ft (0.3m), 9s period with E swell.
Afternoon surf: Afternoon surf (12 Oct, local time) - 1.5ft (0.5m), 5s period with NE swell.
Evening surf: Evening surf (12 Oct, local time) - 4.5ft (1.4m), 6s period with NE swell.

The current surf forecast for Backdoor 4 at 7AM is: 0.3m 9s primary swell from a East direction and 0.4m 5s secondary swell from a East-northeast direction, 0.4m 6s secondary swell from a Southeast direction (forecast issued at 04:00am October 12). The wind direction is predicted to be cross-onshore.

Time (AEDT) & Date	Wave Height	Wave Period
Morning (12 Oct)	1ft (0.3m)	9s
Afternoon (12 Oct)	1.5ft (0.5m)	5s
Evening (12 Oct)	4.5ft (1.4m)	6s

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

	Short Range Forecast Light rain (total 5mm), mostly falling on Tue afternoon. 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).
	Monday 12								Tuesday 13								Wednesday 14
	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)	0	0	0	0	0	0	1	0	1	0	0	0	1	0	1	0	0	!	!	!	!	!	3	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	NE 4	SSE 6	E 9	E 9	NE 5	NE 4	NE 6	ENE 6	ENE 7	ENE 7	NE 8	NE 7	ENE 8	NE 7	SSE 6	ENE 10	SSE 6	S 7	S 9	S 9	S 9	S 9	S 8	S 8
Wave Graph
kJ	19	13	13	13	14	42	122	103	68	64	57	44	37	26	135	18	352	753	1359	1575	1052	683	488	365
Wind (km/h)	WNW	NW	NW	NNE	NNE	NE	S	SSW	WSW	NNE	SSW	SSW	S	SE	SSE	S	S	S	S	S	S	S	SSE	SSE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross-on	on	on	cross-on	glassy	cross-off	cross-off	on	glassy	off	off	cross-off	off	off	off	off	off	off	off	off	off	cross-off
High Tide				9:45AM1.58m				10:10PM1.22m				10:19AM1.56m				10:49PM1.13m				10:54AM1.51m
Low Tide		3:24AM0.22m				4:13PM0.16m				3:55AM0.28m				4:54PM0.20m				4:26AM0.35m					5:37PM0.26m


	—	6:16	—	—	—	—	—	—	—	6:16	—	—	—	—	—	—	—	6:15	—	—	—	—	—	—
	—	—	—	—	—	7:02	—	—	—	—	—	—	—	7:04	—	—	—	—	—	—	—	7:05	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	1	1	1	1	1	—	—	—	—	—	—
Temp °C	19	20	22	30	33	30	25	26	19	19	19	18	19	19	19	17	16	15	15	16	16	16	17	17
Feels °C	19	20	21	27	29	28	26	23	19	20	21	15	16	18	17	12	10	7	8	9	10	10	12	12
Swell 1 Height (m) Direction Period (s)	ENE 4	ENE 4	ENE 5	NE 5	ENE 8	ESE 8	SE 8	ENE 6	ENE 7	ENE 7	NE 8	NE 7	ENE 8	NE 7	NE 7	ENE 10	ENE 8	ENE 8	ENE 9	ENE 9	ENE 9	ENE 9	ENE 9	S 8
kJ	12	13	8	7	14	6	9	103	68	64	57	44	37	26	13	18	25	24	16	16	16	26	15	365
Swell 2 Height (m) Direction Period (s)	SSE 6	SSE 6	SE 6	SE 6	SSE 5	SSE 5	S 16	S 15	SSE 4	SSE 4	SSE 4	SSE 4	E 8	ENE 9	ENE 9	NE 7	—	NE 7	N 11	NNE 7	NE 6	S 16	S 15	S 13
kJ	15	13	8	5	3	2	5	4	14	10	6	3	13	16	16	7	—	7	2	4	2	5	38	202
Swell 3 Height (m) Direction Period (s)	E 9	S 6	E 9	E 9	ESE 8	S 6	S 6	N 13	ESE 7	SE 7	SE 7	E 8	SE 7	S 16	—	—	S 15	S 15	NE 11	NE 11	N 11	E 15	E 15	ENE 9
kJ	14	6	13	13	6	1	1	3	5	2	2	12	2	5	—	—	4	4	5	5	2	4	4	15
Wind waves Height (m) Direction Period (s)	NE 4	—	—	NNW 2	NE 5	NE 4	NE 6	SE 8	SSE 4	—	—	S 4	S 6	SSE 6	SSE 6	SSE 6	SSE 6	S 7	S 9	S 9	S 9	S 9	S 8	—
kJ	19	—	—	1	14	42	122	9	18	—	—	3	27	108	135	171	352	753	1359	1575	1052	683	488	—
Nearest Offshore or Glassy	Soldiers Beach NSW - Newcastle	Austinmer Beach NSW - Illawarra	Turimetta Beach NSW - Sydney North Coast	Tamarama Reef NSW - Sydney South Coast	Warriewood NSW - Sydney North Coast	Umina Beach NSW - Newcastle	Backdoor 4 NSW - Newcastle	Boat Ramp NSW - Newcastle	Backdoor 4 NSW - Newcastle	Soldiers Beach NSW - Newcastle	Little Bombie NSW - Newcastle	Warriewood NSW - Sydney North Coast	Backdoor 4 NSW - Newcastle	Leggy Point NSW - Newcastle	Backdoor 4 NSW - Newcastle	Tuncurry-North Wall NSW - Port Macquarie	Guillotines NSW - South Coast	Bawley Point NSW - South Coast	Kiama Pool NSW - Illawarra	Plantation Point NSW - South Coast	Plantation Point NSW - South Coast	Mollymook Beach NSW - South Coast	Backdoor 4 NSW - Newcastle	JD Reef NSW - Newcastle
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	3	3	4	1	1	2	3	3
Distance (km)	2	129	53	74	52	37	0	0	0	2	0	52	0	35	0	151	270	270	168	215	215	248	0	1
Best forecast wave conditions in Newcastle	Moonee					Umina Point	Forresters	JD Reef	Crackneck	Crackneck	Moonee	Box Beach	Backdoor 4	Shallows	Backdoor 4								Backdoor 4	JD Reef
Rating (10 max)	1					1	1	1	1	1	1	1	1	1	1								3	3
Best forecast wave conditions in Australia	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	Mystics NSW - Illawarra	Forresters NSW - Newcastle	Bells Beach - Rincon VIC - Torquay	Bells Beach - Rincon VIC - Torquay	Surfers Point WA - Margaret River	Cyclops WA - Far South	Surfers Point WA - Margaret River	Black Rock NSW - North Coast	Bunker Bay Bommie WA - Margaret River	Bunker Bay Bommie WA - Margaret River	Akkorokamui QLD - Gold Coast	Surfers Point WA - Margaret River	Cyclops WA - Far South	Trial Harbour TAS - West Coast	Cyclops WA - Far South	Kingston Norfolk Island	Guillotines NSW - South Coast	Daly Heads SA - Yorke Peninsula	JD Reef NSW - Newcastle
Rating (10 max)	7	6	6	5	5	1	1	3	3	5	4	5	1	2	2	1	4	4	6	3	3	2	3	3
Header Global	Gas Bay Australia	Gas Bay Australia	Cow Bombie Australia	Cow Bombie Australia	Cobblestones Australia	The Bombie Indonesia	Benkunqut Indonesia	Cathedral Rock Australia	Cathedral Rock Australia	Bali Village Indonesia	Bali Village Indonesia	Gas Bay Australia	Outside Corner Indonesia	Grindavik Lighthouse ( Hopsnesta) Iceland	Ahijedero Mexico	Viri Inga O Tuki Chile	Viri Inga O Tuki Chile	Papa Tangaroa Chile	Trial Harbour Australia	Papa Tangaroa Chile	Papa Tangaroa Chile	Ahijedero Mexico	Ahijedero Mexico	Bawa Indonesia
Rating (10 max)	7	6	6	5	5	5	5	7	7	5	5	5	5	5	4	5	5	5	6	7	7	4	4	4

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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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Backdoor 4 48 hour detailed Surf Forecast

How big are the waves at Backdoor 4 today (12 Oct):

Short Range Forecast

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