Backdoor 4 48 hour detailed Surf Forecast

Lat Long: 33.28° S 151.57° E

Issued: 9 am 19 Jul 2026 (local time)

Forecast update in hr min

Today's Backdoor 4 sea temperature is

18.8° 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 (19 Jul):

Morning surf: Morning surf (19 Jul, local time) - 7ft (2.2m), 11s period with E swell.
Afternoon surf: Afternoon surf (19 Jul, local time) - 6.5ft (2.0m), 10s period with E swell.
Evening surf: Evening surf (19 Jul, local time) - 6.5ft (2.0m), 10s period with E swell.

The current surf forecast for Backdoor 4 at 5PM is: 2.0m 10s primary swell from a East direction and 0.5m 16s secondary swell from a South direction (forecast issued at 09:00am July 19). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (AEST) & Date	Wave Height	Wave Period
Morning (19 Jul)	7ft (2.2m)	11s
Afternoon (19 Jul)	6.5ft (2.0m)	10s
Evening (19 Jul)	6.5ft (2.0m)	10s

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

	Short Range Forecast Mostly dry. Very mild (max 16°C on Sun morning, min 12°C on Mon morning). Wind will be generally light.
	Sunday 19						Monday 20								Tuesday 21
	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM
Rating (10 max)	!	!	!	3	4	4	4	4	3	4	2	1	1	1	2	2	2	1	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 11	E 11	E 10	E 10	E 10	E 11	E 11	ENE 11	ENE 11	ENE 11	ENE 11	ENE 11	ENE 11	ENE 11	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10
Wave Graph
kJ	1148	1107	973	818	851	917	934	846	846	862	778	685	672	599	566	482	416	416	363	307	416	258
Wind (km/h)	SE	SE	SE	SSE	SE	SE	SE	SSE	SW	S	E	ENE	NE	NNE	NNW	NW	NNW	N	NE	NE	NE	N
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	glassy	cross-off	glassy	cross	cross-on	cross-on	on	cross-on	cross-on	cross-on	on	cross-on	cross-on	cross-on	on
High Tide			12:09PM1.27m				00:01AM1.34m				12:59PM1.28m				00:51AM1.17m					1:51PM1.29m
Low Tide	5:51AM0.13m				5:58PM0.42m				6:30AM0.22m					7:01PM0.48m				7:10AM0.31m				8:11PM0.53m


	6:52	—	—	—	—	—	—	6:52	—	—	—	—	—	—	—	6:52	—	—	—	—	—	—
	—	—	—	5:06	—	—	—	—	—	—	—	5:06	—	—	—	—	—	—	—	5:07	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	17	16	16	16	15	15	15	14	13	12	14	14	15	14	13	13	12	12	15	15	16	15
Feels °C	12	12	13	14	13	14	14	13	12	11	13	12	13	12	12	12	11	10	13	12	12	12
Swell 1 Height (m) Direction Period (s)	E 11	E 11	E 10	E 10	E 10	E 11	E 11	ENE 11	ENE 11	ENE 11	ENE 11	ENE 11	ENE 11	ENE 11	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	S 10	ENE 10
kJ	1148	1107	973	818	851	917	934	846	846	862	778	685	672	599	566	482	416	416	363	307	31	258
Swell 2 Height (m) Direction Period (s)	SSE 18	S 17	S 17	S 16	S 16	S 13	S 13	S 13	S 12	S 12	S 12	S 12	S 12	S 11	S 11	S 11	S 11	S 11	S 11	S 10	S 15	S 10
kJ	103	95	140	125	170	167	162	155	143	181	181	178	132	118	84	82	81	56	55	52	17	31
Swell 3 Height (m) Direction Period (s)	S 8	S 8	S 8	S 8	SE 17	SE 17	SE 16	SE 16	SE 16	SE 15	SE 15	SE 15	SE 15	SE 15	S 15	S 15	S 15	S 16	S 16	S 15	SE 13	S 15
kJ	23	12	12	12	11	11	10	10	10	9	9	9	8	8	17	17	18	19	19	17	7	17
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	NNE 3	ENE 3	ENE 10	NE 5
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	3	7	416	35
Nearest Offshore or Glassy	Warriewood NSW - Sydney North Coast	Warriewood NSW - Sydney North Coast	Warriewood NSW - Sydney North Coast	Backdoor 4 NSW - Newcastle	Backdoor 4 NSW - Newcastle	Backdoor 4 NSW - Newcastle	Backdoor 4 NSW - Newcastle	Backdoor 4 NSW - Newcastle	Backdoor 4 NSW - Newcastle	Backdoor 4 NSW - Newcastle	Bilgola Beach NSW - Sydney North Coast	Bilgola Beach NSW - Sydney North Coast	Pelican Beach NSW - Newcastle	Soldiers Beach NSW - Newcastle	Soldiers Beach NSW - Newcastle	Soldiers Beach NSW - Newcastle	Soldiers Beach NSW - Newcastle	Soldiers Beach NSW - Newcastle	Pelican Beach NSW - Newcastle	Little Austi and Main Beach NSW - Illawarra	Umina Beach NSW - Newcastle	Umina Beach NSW - Newcastle
Rating (10 max)	4	4	4	3	4	4	4	4	3	4	3	3	3	3	3	3	3	2	2	2	2	2
Distance (km)	52	52	52	0	0	0	0	0	0	0	46	46	3	2	2	2	2	2	3	128	37	37
Best forecast wave conditions in Newcastle				JD Reef	JD Reef	JD Reef	JD Reef	Crackneck	Forresters	JD Reef	Anna Bay-Morna Point	Anna Bay-Morna Point	Birdie Beach	Crackneck	Crackneck	Crackneck	Crackneck	Crackneck	Birdie Beach		Anna Bay-Morna Point	Anna Bay-Morna Point
Rating (10 max)				3	4	4	4	4	3	4	3	3	3	3	3	3	3	2	2		2	2
Best forecast wave conditions in Australia	Luna Park VIC - Far West	Luna Park VIC - Far West	Rocky Head WA - Far South	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Luna Park VIC - Far West	Cyclops WA - Far South	Ethel Wreck SA - Yorke Peninsula	Cyclops WA - Far South	Cyclops WA - Far South	Ethel Wreck SA - Yorke Peninsula	Ethel Wreck SA - Yorke Peninsula	Luna Park VIC - Far West	Luna Park VIC - Far West	Point Lonsdale VIC - Torquay	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West
Rating (10 max)	4	4	5	3	4	4	4	4	4	5	4	4	4	4	4	4	4	4	3	4	4	4
Header Global	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Dinner Plates New Zealand	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	White Rock - The Spit New Zealand	Seconds (White Rock) New Zealand	Ning Nong Point and Reef New Zealand	Last Chance New Zealand	Diners Beach New Zealand	Diners Beach New Zealand	Asu Indonesia	Aganoa Beach Samoa	Aganoa Beach Samoa	Papatowai New Zealand	Cape St Martin South Africa
Rating (10 max)	6	6	6	7	7	7	7	7	6	5	5	8	7	5	5	5	5	4	4	4	5	4

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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Backdoor 4 48 hour detailed Surf Forecast

How big are the waves at Backdoor 4 today (19 Jul):

Short Range Forecast

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