Grunters 48 hour detailed Surf Forecast

Lat Long: 34.01° S 114.99° E

Issued: 1 am 16 Sep 2026 (local time)

Forecast update in hr min

Today's Grunters sea temperature is

17.8°C

Grunters 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 Grunters today (16 Sep):

Morning surf: Morning surf (16 Sep, local time) - 7ft (2.1m), 14s period with SW swell.
Afternoon surf: Afternoon surf (16 Sep, local time) - 6ft (1.8m), 13s period with SW swell.
Evening surf: Evening surf (16 Sep, local time) - 5ft (1.6m), 15s period with SW swell.

The current surf forecast for Grunters at 9AM is: 2.1m 14s primary swell from a Southwest direction and 1.0m 13s secondary swell from a South direction (forecast issued at 01:00am September 16). An open ocean swell of 0.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AWST) & Date	Wave Height	Wave Period
Morning (16 Sep)	7ft (2.1m)	14s
Afternoon (16 Sep)	6ft (1.8m)	13s
Evening (16 Sep)	5ft (1.6m)	15s

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

	Short Range Forecast Light rain (total 6mm), mostly falling on Fri night. Warm (max 24°C on Wed afternoon, min 14°C on Fri night). Winds increasing (light winds from the NNW on Wed afternoon, near gales from the NNW by Fri night).
	Wednesday 16								Thursday 17								Friday 18
	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)	4	4	4	3	3	3	4	4	3	3	3	2	2	2	2	1	3	2	2	1	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 14	SW 14	SW 14	SW 13	SW 13	SW 13	SW 16	WSW 15	WSW 14	WSW 14	WSW 14	WSW 14	WSW 13	WSW 13	WSW 13	WSW 13	WSW 12	WSW 12	WSW 16	SW 17	WSW 17	NW 9	NW 10	W 11
Wave Graph
kJ	2390	2221	1770	1380	1172	865	1178	987	1072	1014	971	1079	820	796	796	835	636	703	559	1467	1796	2683	4456	6013
Wind (km/h)	E	ENE	ENE	N	NNW	NNW	ESE	ENE	NNE	N	N	NNW	NNW	NNW	NW	NNW	N	NNE	NNE	N	NNW	NNW	NNW	WNW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	off	off	off	cross-off	cross	cross	cross-off	off	cross-off	cross-off	cross-off	cross	cross	cross	cross	cross	cross-off	cross-off	cross-off	cross-off	cross	cross	cross	cross-on
High Tide									11:18PM0.66m								11:47PM0.65m
Low Tide					1:47PM0.18m									2:09PM0.14m								2:32PM0.12m


	—	6:18	—	—	—	—	—	—	—	6:16	—	—	—	—	—	—	—	6:16	—	—	—	—	—	—
	—	—	—	—	—	6:10	—	—	—	—	—	—	—	6:12	—	—	—	—	—	—	—	6:12	—	—
mm	—	—	—	—	—	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—	1	—	—	1
Temp °C	17	16	16	22	24	24	20	21	21	21	19	20	19	18	17	17	16	16	18	20	16	17	15	15
Feels °C	15	13	14	20	22	23	19	20	19	18	18	18	16	16	15	15	13	13	14	14	10	8	4	5
Swell 1 Height (m) Direction Period (s)	SW 14	SW 14	SW 14	SW 13	SW 13	SW 13	SW 16	WSW 15	WSW 14	WSW 14	WSW 14	WSW 14	WSW 13	WSW 13	WSW 13	WSW 13	WSW 12	WSW 12	WSW 12	SW 17	W 9	WSW 17	WSW 16	WSW 16
kJ	2390	2221	1770	1380	1172	865	1178	987	1072	1014	971	1079	820	796	796	835	636	703	486	1467	694	1999	2182	2821
Swell 2 Height (m) Direction Period (s)	SE 7	S 13	S 13	S 13	S 13	SW 16	S 13	S 12	S 11	S 11	S 11	S 11	SW 18	SW 18	WSW 19	S 10	WSW 16	WSW 16	SW 13	NNW 6	WSW 17	W 11	—	—
kJ	86	345	350	350	342	367	212	190	121	123	87	58	166	161	139	9	447	458	374	188	1796	91	—	—
Swell 3 Height (m) Direction Period (s)	—	SE 7	ESE 7	ESE 7	—	SW 22	SW 22	SW 21	WSW 21	SW 20	SW 20	ESE 8	S 11	S 11	S 10	S 11	—	SW 12	WSW 16	—	W 12	—	—	—
kJ	—	64	42	27	—	18	18	18	42	61	61	6	37	20	19	9	—	86	559	—	75	—	—	—
Wind waves Height (m) Direction Period (s)	—	—	E 8	NE 4	NNE 4	—	SE 7	—	—	E 8	E 8	N 3	NNW 3	NNW 4	NW 5	NW 5	NNW 5	NNW 5	NNW 6	WNW 7	N 6	NW 9	NW 10	W 11
kJ	—	—	10	7	6	—	14	—	—	10	10	5	9	24	54	61	77	126	193	581	206	2683	4456	6013
Nearest Offshore or Glassy	Grunters WA - Margaret River	Grunters WA - Margaret River	Grunters WA - Margaret River	Boranup Beach WA - Margaret River	Gnarabup WA - Margaret River	Cobblestones WA - Margaret River	Grunters WA - Margaret River	Grunters WA - Margaret River	Boranup Beach WA - Margaret River	Deepdene WA - Margaret River	Ellensbrook WA - Margaret River	Augusta Rivermouth WA - Margaret River	Peaceful Bay WA - Far South	Augusta Rivermouth WA - Margaret River	Augusta Rivermouth WA - Margaret River	Augusta Rivermouth WA - Margaret River	Augusta Rivermouth WA - Margaret River	Boranup Beach WA - Margaret River	Windy Harbour WA - Far South	Mandalay Beach WA - Far South	Rocky Head WA - Far South	Rocky Head WA - Far South	Ocean Beach WA - Far South	Cheynes Point WA - Far South
Rating (10 max)	4	4	4	4	4	4	4	4	4	3	3	3	2	3	3	3	3	4	4	4	4	4	3	2
Distance (km)	0	0	0	29	2	15	0	0	29	38	12	39	211	39	39	39	39	29	132	148	191	191	243	354
Best forecast wave conditions in Margaret River	Surfers Point	Surfers Point	Supertubes	Augusta Rivermouth	Supertubes	Supertubes	Surfers Point	Surfers Point	Boranup Beach	Augusta Rivermouth	The Guillotine	Augusta Rivermouth		Augusta Rivermouth	Augusta Rivermouth	Augusta Rivermouth	Augusta Rivermouth	Boranup Beach
Rating (10 max)	4	4	4	4	4	4	4	4	4	3	4	3		3	3	3	3	4
Best forecast wave conditions in Australia	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Daly Heads SA - Yorke Peninsula	Daly Heads SA - Yorke Peninsula	Ethel Wreck SA - Yorke Peninsula	Left Point VIC - Phillip Island	Surfers Point WA - Margaret River	Guillotines NSW - South Coast	Scotts Head NSW - Port Macquarie	Currumbin Point QLD - Gold Coast	Ethel Wreck SA - Yorke Peninsula	Ethel Wreck SA - Yorke Peninsula	Hat Head NSW - Port Macquarie	Arrawarra NSW - North Coast	Luna Park VIC - Far West	Bancoora VIC - Torquay	Easter Reef VIC - Far West	Bruny Island - Jawbones TAS - East Coast	Bancoora VIC - Torquay	Bancoora VIC - Torquay	Bancoora VIC - Torquay	Bancoora VIC - Torquay	Bullies SA - East Coast	Cyclops WA - Far South
Rating (10 max)	4	4	4	4	4	4	4	4	7	4	4	3	5	4	5	4	5	6	4	4	4	4	3	3
Header Global	Saint Leu Reunion	Saint Leu Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Saint Leu Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Cronulla Point Australia	Papatowai New Zealand	Papatowai New Zealand	Caravan Park/Lamberts Bay South Africa	Papatowai New Zealand	Papatowai New Zealand	Dunedin - Cob Cottage New Zealand	Weld Road New Zealand	Blaketown Wedge New Zealand	Guns Namibia	Blaketown Wedge New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Benkunqut Indonesia
Rating (10 max)	6	6	6	6	5	5	5	5	5	5	5	5	4	5	9	5	6	5	5	5	8	8	7	4

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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Grunters 48 hour detailed Surf Forecast

How big are the waves at Grunters today (16 Sep):

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