Backdoor 4 Surf Forecast

/ NSW – Newcastle (55 breaks) / New South Wales (297 breaks) /

Australia (828 breaks)

Surf Forecasts:

Backdoor 4 surfForecast / NSW – Newcastle / Australia

48hr Weather and Surf, issued 3 am Tuesday 12 May 2026 AEST

Forecast update in hr min s Forecast update imminent

Backdoor 4 surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Backdoor 4 sea temperature is 21.1° C
(Which is normal for this time of year)

How big are the waves at Backdoor 4 today?

The current surf forecast for Backdoor 4 at 9AM is: 1.7m 11s primary swell from a South-southeast direction and 0.8m 12s secondary swell from a East direction, 0.1m 9s secondary swell from a North direction (forecast issued at 03:00am May 12). The wind direction is predicted to be cross-offshore.

Time (AEST) & Date	Wave Height	Wave Period
Morning (12 May)	5.5ft (1.7m)	11s
Afternoon (12 May)	5.5ft (1.7m)	11s
Evening (12 May)	5ft (1.5m)	6s

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

Updates in hr min s Forecast update imminent

	Short Range Forecast Heavy rain (total 23mm), heaviest during Wed afternoon. Warm (max 20°C on Thu morning, min 17°C on Thu night). Wind will be generally light.
	Tuesday 12								Wednesday 13								Thursday 14
	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	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM
Rating (10 max)	3	2	2	2	1	1	1	1	0	0	1	1	1	1	1	0	1	1	1	1	1	1	1	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSE 12	SSE 11	SSE 11	SSE 11	SSE 11	SSE 10	SSE 10	S 10	SE 6	SE 7	SE 7	SE 7	SE 7	SE 7	ESE 7	ESE 6	ESE 7	ESE 7	ESE 7	ESE 7	ESE 7	ESE 7	ESE 7	ESE 7
Wave Graph
kJ	757	631	608	627	615	592	640	181	223	208	215	246	255	244	277	203	262	299	256	176	163	141	135	135
Wind (km/h)	SE	SE	SSE	SSE	SSE	SSE	SSE	SE	SE	SE	SSE	SE	SE	ESE	ESE	E	ESE	ESE	ESE	ESE	ESE	SE	ESE	E
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	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide		3:43AM1.27m					4:50PM1.29m				4:41AM1.28m				5:33PM1.44m				5:38AM1.29m				6:16PM1.58m
Low Tide					10:19AM0.22m				10:49PM0.45m				11:03AM0.17m				11:45PM0.33m				11:46AM0.14m


	—	6:33	—	—	—	—	—	—	—	6:35	—	—	—	—	—	—	—	6:35	—	—	—	—	—	—
	—	—	—	—	—	5:05	—	—	—	—	—	—	—	5:04	—	—	—	—	—	—	—	5:02	—	—
mm	—	—	—	—	—	1	1	1	—	—	—	1	2	3	1	1	—	1	2	1	—	1	3	3
Temp °C	20	19	19	19	19	19	19	19	19	18	18	18	18	19	19	19	19	19	19	20	19	19	19	19
Feels °C	17	15	16	15	15	15	15	15	14	13	14	14	14	15	15	16	16	16	15	17	15	16	17	18
Swell 1 Height (m) Direction Period (s)	E 13	E 13	E 13	E 12	E 12	E 12	E 12	S 10	S 10	S 10	S 10	S 10	S 10	S 10	S 10	S 10	S 10	S 10	ESE 7	ESE 7	ESE 7	ESE 7	ESE 7	ESE 7
kJ	268	209	202	143	141	138	100	161	127	130	127	127	96	96	96	122	70	70	256	176	163	141	135	135
Swell 2 Height (m) Direction Period (s)	N 9	N 9	N 9	N 9	N 11	SSE 14	S 14	E 12	E 12	E 12	E 11	E 11	E 11	E 11	E 11	E 11	E 11	S 14	S 10	S 9	S 9	S 9	S 9	S 9
kJ	2	2	2	2	2	36	15	100	68	65	61	39	38	38	37	21	21	36	46	79	79	79	79	60
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	N 10	N 11	S 26	S 25	S 24	S 23	S 21	S 18	S 18	S 17	S 16	S 15	E 11	E 11	E 11	E 11	E 11	E 11	E 10
kJ	—	—	—	—	—	2	2	13	12	11	41	35	60	54	49	45	42	21	21	20	9	9	9	9
Wind waves Height (m) Direction Period (s)	SSE 12	SSE 11	SSE 11	SSE 11	SSE 11	SSE 10	SSE 10	SE 6	SE 6	SE 7	SE 7	SE 7	SE 7	SE 7	ESE 7	ESE 6	ESE 7	ESE 7	—	—	—	—	—	—
kJ	757	631	608	627	615	592	640	181	223	208	215	246	255	244	277	203	262	299	—	—	—	—	—	—
Nearest Offshore or Glassy	Little Avalon NSW - Sydney North Coast	Little Avalon NSW - Sydney North Coast	Peggys NSW - Illawarra	Werri Point NSW - Illawarra	Bannister Head Suck Rock NSW - South Coast	Bannister Head Suck Rock NSW - South Coast	Saltwater NSW - Port Macquarie	Werri Point NSW - Illawarra	Saltwater NSW - Port Macquarie	Wollongong North Beach NSW - Illawarra	Peggys NSW - Illawarra	Hat Head NSW - Port Macquarie	Bannister Head Suck Rock NSW - South Coast	Peggys NSW - Illawarra	Box Head NSW - Newcastle	Hat Head NSW - Port Macquarie	Aussie pipe NSW - South Coast	Peggys NSW - Illawarra	Peggys NSW - Illawarra	Peggys NSW - Illawarra	Warriewood NSW - Sydney North Coast	Warriewood NSW - Sydney North Coast	Peggys NSW - Illawarra	Backdoor 4 NSW - Newcastle
Rating (10 max)	2	2	1	3	2	2	3	3	2	1	2	2	2	2	1	2	1	1	1	1	2	1	1	2
Distance (km)	45	45	141	176	248	248	169	176	169	141	141	285	248	141	37	285	226	141	141	141	52	52	141	0
Best forecast wave conditions in Newcastle															Box Head									Backdoor 4
Rating (10 max)															1									2
Best forecast wave conditions in Australia	Luna Park VIC - Far West	Shipstern Bluff TAS - East Coast	Shipstern Bluff TAS - East Coast	Shipstern Bluff TAS - East Coast	Shipstern Bluff TAS - East Coast	Quarantine VIC - Mornington Peninsula	Shipstern Bluff TAS - East Coast	Shipstern Bluff TAS - East Coast	Shipstern Bluff TAS - East Coast	Shipstern Bluff TAS - East Coast	Shipstern Bluff TAS - East Coast	Shipstern Bluff TAS - East Coast	Shipstern Bluff TAS - East Coast	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Snapper Rocks QLD - Gold Coast	Snapper Rocks QLD - Gold Coast	Ethel Wreck SA - Yorke Peninsula	Ethel Wreck SA - Yorke Peninsula	Spoggies SA - Nullarbor	Ethel Wreck SA - Yorke Peninsula	Ethel Wreck SA - Yorke Peninsula	Ethel Wreck SA - Yorke Peninsula
Rating (10 max)	4	4	4	4	5	4	4	4	4	4	4	3	3	4	4	4	3	3	2	3	3	4	4	4
Header Global	Naufragados Brazil	Trial Harbour Australia	Inner Pool South Africa	Inner Pool South Africa	Fish Boma South Africa	Pauba Brazil	Dungeons South Africa	Inner Pool South Africa	Boneyards South Africa	Papatowai New Zealand	Haga-Haga South Africa	Papatowai New Zealand	Itaúna Brazil	Barbel Point South Africa	Otago Peninsula - Papanui Beach New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Boneyards South Africa	Whacky Point South Africa	Whacky Point South Africa	Haga-Haga South Africa	Boneyards South Africa	Boneyards South Africa	Trial Harbour Australia
Rating (10 max)	5	5	9	9	9	5	5	6	9	9	9	8	5	8	8	6	6	9	9	8	9	5	5	5

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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 Surf Forecast

Backdoor 4 surfForecast / NSW – Newcastle / Australia

How big are the waves at Backdoor 4 today?

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