Flat Rock 48 hour detailed Surf Forecast

Lat Long: 32.93° S 151.79° E

Issued: 3 pm 20 Sep 2026 (local time)

Forecast update in hr min

Today's Flat Rock sea temperature is

18.5°C

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

Surf Forecasts:

Time (AEST) & Date	Wave Height	Wave Period
Morning (21 Sep)	-	-
Afternoon (21 Sep)	0.5ft (0.2m)	7s
Evening (21 Sep)	-	-

Table - waves today at Flat Rock. (Swell directed towards the surf break)

	Short Range Forecast Light rain (total 9mm), mostly falling on Tue morning. Warm (max 29°C on Sun afternoon, min 15°C on Mon night). Winds increasing (light winds from the WNW on Sun night, fresh winds from the S by Mon morning).
	Sun 20				Monday 21								Tuesday 22
	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)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 7	SE 7	NE 4	SSE 18	SSE 17	SSE 17	S 10	NE 5	N 3	S 5	E 11	SSE 8	SSE 10	SSE 10	SSE 9	SSE 9	SSE 8	ESE 6	ESE 6	E 6
Wave Graph
kJ	4	2	3	0	0	0	0	1	1	124	2	0	0	0	0	0	0	102	131	132
Wind (km/h)	N	NNE	WNW	WNW	NW	NW	NW	NW	S	S	S	SSE	SSE	SSE	SSE	SE	E	E	ENE	NE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross	off	off	cross-off	cross-off	off	off	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	on	on	cross-on	cross-on	cross-on
High Tide		3:09PM1.34m					4:36AM0.99m				4:11PM1.38m				5:27AM1.08m				5:04PM1.43m
Low Tide					10:30PM0.52m			9:34AM0.71m					11:17PM0.45m				10:40AM0.65m


	—	—	—	—	—	5:45	—	—	—	—	—	—	—	5:43	—	—	—	—	—	—
	—	5:46	—	—	—	—	—	—	—	5:46	—	—	—	—	—	—	—	5:47	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	1	1	1	1
Temp °C	28	29	28	26	22	19	19	27	19	16	16	15	15	15	15	15	16	16	16	16
Feels °C	24	24	23	21	16	13	12	21	14	11	11	11	11	11	12	13	14	14	14	13
Swell 1 Height (m) Direction Period (s)	S 10	S 10	S 8	SSE 18	SSE 17	S 10	S 10	S 11	N 3	N 5	S 12	S 12	SSE 10	SSE 10	SSE 9	SSE 9	S 11	S 11	S 10	S 10
kJ	102	66	50	174	172	33	52	79	1	1	72	75	1152	1108	669	380	157	382	284	220
Swell 2 Height (m) Direction Period (s)	SSE 19	SSE 18	SSE 18	S 8	S 11	SSE 17	SSE 16	SSE 16	—	E 11	NE 5	—	S 18	S 17	S 16	S 12	SSE 19	SSE 18	SSE 17	S 19
kJ	69	110	180	19	36	99	53	25	—	2	1	—	25	22	43	101	37	34	54	182
Swell 3 Height (m) Direction Period (s)	E 7	SE 7	NE 4	S 11	S 7	S 7	S 7	NE 5	—	—	E 11	—	—	—	—	S 20	S 20	—	E 15	—
kJ	4	2	3	38	17	16	8	1	—	—	2	—	—	—	—	8	8	—	4	—
Wind waves Height (m) Direction Period (s)	—	NE 2	NW 2	WNW 2	NW 3	NW 3	NW 3	NW 3	S 11	S 5	SSE 6	SSE 8	S 10	—	—	—	SSE 8	ESE 6	ESE 6	E 6
kJ	—	1	2	1	2	3	5	5	223	124	237	426	1476	—	—	—	307	102	131	132
Nearest Offshore or Glassy	Cowrie Hole NSW - Newcastle	Box Head NSW - Newcastle	Cowrie Hole NSW - Newcastle	Cowrie Hole NSW - Newcastle	Newcastle Beach NSW - Newcastle	Newcastle Beach NSW - Newcastle	Cowrie Hole NSW - Newcastle	Cowrie Hole NSW - Newcastle	Nambucca Heads NSW - Port Macquarie	North Haven NSW - Port Macquarie	Sawtell NSW - Port Macquarie	Tathra NSW - Far South	Golf Course Reef NSW - South Coast	Saltwater NSW - Port Macquarie	Sandon Point NSW - Illawarra	Shallows NSW - Newcastle	Backdoor 4 NSW - Newcastle	Backdoor 4 NSW - Newcastle	Blue Bay NSW - Newcastle	Box Head NSW - Newcastle
Rating (10 max)	1	1	2	2	2	1	1	1	1	1	1	2	3	3	2	2	3	2	2	2
Distance (km)	0	80	0	0	0	0	0	0	295	175	311	452	292	126	178	8	43	43	54	80
Best forecast wave conditions in Newcastle	Box Head	Box Head	JD Reef	Frazer Park	Frazer Park	Frazer Park	Forresters	Forresters								Shallows	JD Reef	Forresters	Forresters	Box Head
Rating (10 max)	1	1	2	2	2	2	1	1								2	3	3	2	2
Best forecast wave conditions in Australia	Surfers Point WA - Margaret River	Bells Beach - Rincon VIC - Torquay	Boneyard NSW - Illawarra	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Daly Heads SA - Yorke Peninsula	Tallebudgera QLD - Gold Coast	Injidup Carpark WA - Margaret River	Golf Course Reef NSW - South Coast	Luna Park VIC - Far West	Luna Park VIC - Far West	Surfers Point WA - Margaret River	Quarantine VIC - Mornington Peninsula	Forresters NSW - Newcastle	Shipstern Bluff TAS - East Coast	Luna Park VIC - Far West
Rating (10 max)	5	3	2	6	6	5	5	5	5	4	1	4	3	8	9	5	6	3	5	8
Header Global	Gas Bay Australia	Nine Mile New Zealand	Papatowai New Zealand	Papatowai New Zealand	Shipwrecks Bay-Peaks New Zealand	Shipwrecks Bay-Peaks New Zealand	Shipwreck Bay-Supertubes New Zealand	Cyclops Australia	Cyclops Australia	Ahijedero Mexico	Shipwrecks Bay-Peaks New Zealand	Papatowai New Zealand	Ouano Lefts New Caledonia	Easter Reef Australia	Easter Reef Australia	Cobblestones Australia	Quarantine Australia	Dunedin - Cob Cottage New Zealand	Frigates Fiji	Trial Harbour Australia
Rating (10 max)	5	8	9	9	7	8	8	5	5	4	5	5	6	8	9	5	6	5	5	9

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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