Flat Rock 48 hour detailed Surf Forecast

Lat Long: 28.84° S 153.61° E

Issued: 3 am 21 Sep 2026 (local time)

Forecast update in hr min

Today's Flat Rock sea temperature is

21.0°C

Flat Rock 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 Flat Rock today (21 Sep):

Morning surf: Morning surf (21 Sep, local time) - 1.5ft (0.5m), 18s period with SSE swell.
Afternoon surf: Afternoon surf (21 Sep, local time) - 1.5ft (0.4m), 17s period with SSE swell.
Evening surf: Evening surf (21 Sep, local time) - 1.5ft (0.4m), 11s period with SSE swell.

The current surf forecast for Flat Rock at 11AM is: 0.5m 17s primary swell from a South-southeast direction and 0.5m 5s secondary swell from a North direction (forecast issued at 03:00am September 21). The wind direction is predicted to be glassy and the swell rating is 2.

Time (AEST) & Date	Wave Height	Wave Period
Morning (21 Sep)	1.5ft (0.5m)	18s
Afternoon (21 Sep)	1.5ft (0.4m)	17s
Evening (21 Sep)	1.5ft (0.4m)	11s

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

	Short Range Forecast Light rain (total 2mm), mostly falling on Tue night. Warm (max 25°C on Mon morning, min 18°C on Tue night). Winds increasing (calm on Mon morning, fresh winds from the SSE by Mon night).
	Monday 21								Tuesday 22								Wednesday 23
	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)	2	2	2	2	0	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSE 19	SSE 18	SSE 18	SSE 17	SSE 17	SSE 17	SSE 16	S 11	S 11	S 4	SSE 6	SSE 7	SSE 7	SSE 7	S 11	SSE 10	SSE 9	SSE 8	SE 8	SE 7	ESE 7	SSE 18	SSE 16	SSE 16
Wave Graph
kJ	120	133	178	172	116	57	50	59	64	59	230	247	273	254	862	522	398	254	305	214	201	176	151	83
Wind (km/h)	NW	WNW	WNW	N	NE	NNE	NNE	NNW	S	SSE	SE	SSE	SE	SE	SE	ESE	ESE	ESE	E	E	ESE	ESE	ESE	SE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	glassy	glassy	cross-on	cross-on	cross	cross-off	cross	cross	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	on	on	on	on	on	cross-on
High Tide			4:31AM0.83m				4:35PM1.30m				5:29AM0.91m				5:24PM1.35m				6:08AM1.01m				6:05PM1.40m
Low Tide	10:59PM0.55m			9:20AM0.58m					11:41PM0.46m				10:34AM0.54m				00:14AM0.38m				11:32AM0.47m


	—	5:37	—	—	—	—	—	—	—	5:35	—	—	—	—	—	—	—	5:35	—	—	—	—	—	—
	—	—	—	—	—	5:39	—	—	—	—	—	—	—	5:40	—	—	—	—	—	—	—	5:40	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	1	—	—	—	—	—
Temp °C	19	19	19	23	25	23	21	20	20	19	19	19	19	20	19	19	19	18	19	19	19	19	18	18
Feels °C	17	17	17	21	22	20	19	18	18	15	16	16	16	18	17	17	17	15	16	16	17	17	17	17
Swell 1 Height (m) Direction Period (s)	S 11	N 4	N 4	N 5	SSE 17	SSE 17	SSE 11	S 11	N 4	N 5	S 12	SSE 12	SSE 12	SSE 12	SSE 11	N 5	S 19	SSE 11	SSE 11	S 8	S 8	SE 7	SE 7	SE 7
kJ	63	15	10	11	116	57	38	59	15	11	75	56	57	145	668	2	7	71	70	60	61	93	71	67
Swell 2 Height (m) Direction Period (s)	SSE 19	S 11	SSE 18	SSE 17	S 9	S 11	S 8	SSE 16	S 11	E 8	NNE 5	NNE 5	NNE 5	N 5	N 5	S 20	—	SSE 19	SSE 19	S 11	S 10	S 10	S 10	S 8
kJ	120	58	178	172	24	38	12	25	64	1	9	9	5	5	2	8	—	34	72	83	55	120	90	52
Swell 3 Height (m) Direction Period (s)	SE 8	SSE 18	S 10	S 9	SSE 11	S 8	SSE 16	SE 7	E 7	NE 10	E 8	E 8	E 8	N 10	E 8	E 8	N 10	—	E 13	SSE 19	SSE 19	SSE 18	SSE 16	SSE 16
kJ	9	133	50	42	25	11	50	2	1	4	1	1	1	2	1	1	2	—	3	122	201	176	151	83
Wind waves Height (m) Direction Period (s)	N 4	N 5	—	—	NNE 5	NNE 5	N 5	N 4	SSE 2	S 4	SSE 6	SSE 7	SSE 7	SSE 7	S 11	SSE 10	SSE 9	SSE 8	SE 8	SE 7	ESE 7	E 6	E 6	E 6
kJ	24	36	—	—	13	13	17	20	1	59	230	247	273	254	862	522	398	254	305	214	199	73	61	48
Nearest Offshore or Glassy	Backsides NSW - North Coast	Backsides NSW - North Coast	Backsides NSW - North Coast	Backsides NSW - North Coast	Nambucca Heads NSW - Port Macquarie	Tallows Beach NSW - North Coast	Tallebudgera QLD - Gold Coast	Duranbah QLD - Gold Coast	Duranbah QLD - Gold Coast	Forster Beach (Nambucca) NSW - Port Macquarie	The Pass NSW - North Coast	The Pass NSW - North Coast	The Pass NSW - North Coast	The Pass NSW - North Coast	The Pass NSW - North Coast	The Pass NSW - North Coast	The Pass NSW - North Coast	The Pass NSW - North Coast	Snapper Rocks QLD - Gold Coast	Anna Bay-Morna Point NSW - Newcastle	Turners Beach NSW - North Coast	The Pass NSW - North Coast	The Pass NSW - North Coast	The Pass NSW - North Coast
Rating (10 max)	2	1	2	2	1	1	1	1	1	2	1	2	2	2	3	2	2	2	2	2	2	2	2	1
Distance (km)	0	0	0	0	193	22	85	75	75	200	23	23	23	23	23	23	23	23	76	462	69	23	23	23
Best forecast wave conditions in North Coast - New South Wales	Chinamans	Lennox Head	Angourie Point	Lennox Head		Dreamtime	Mullaway				The Pass	The Pass	The Pass	The Pass	The Pass	The Pass	The Pass	The Pass			Turners Beach	The Pass	Snapper Point	Byron Bay - The Wreck
Rating (10 max)	2	2	2	2		1	1				1	2	2	2	3	2	2	2			2	2	2	1
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	Cyclops WA - Far South	Ethel Wreck SA - Yorke Peninsula	Tallebudgera QLD - Gold Coast	Injidup Carpark WA - Margaret River	Surfers Point WA - Margaret River	Quarantine VIC - Mornington Peninsula	Luna Park VIC - Far West	Surfers Point WA - Margaret River	Quarantine VIC - Mornington Peninsula	Snapper Rocks QLD - Gold Coast	Trial Harbour TAS - West Coast	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Shipstern Bluff TAS - East Coast	Ethel Wreck SA - Yorke Peninsula	Quarantine VIC - Mornington Peninsula	Luna Park VIC - Far West
Rating (10 max)	6	6	6	6	5	5	1	4	5	5	9	5	6	2	9	8	7	6	5	5	4	3	4	4
Header Global	Shipwrecks Bay-Peaks New Zealand	Shipwrecks Bay-Peaks New Zealand	Shipwreck Bay-Supertubes New Zealand	Cobblestones Australia	Cyclops Australia	Ethel Wreck Australia	Ahijedero Mexico	Ahijedero Mexico	Ouano Lefts New Caledonia	Easter Reef Australia	Easter Reef Australia	Cobblestones Australia	Quarantine Australia	Restaurants Fiji	Trial Harbour Australia	Trial Harbour Australia	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Nugget Point New Zealand	Papatowai New Zealand	Dunedin - Bobs Beach New Zealand	Papatowai New Zealand
Rating (10 max)	7	8	8	6	5	5	4	4	6	8	9	5	6	5	9	9	9	9	9	8	6	7	7	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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Flat Rock 48 hour detailed Surf Forecast

How big are the waves at Flat Rock today (21 Sep):

Short Range Forecast

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