Gnaraloo 48 hour detailed Surf Forecast

Lat Long: 23.76° S 113.54° E

Issued: 1 am 19 Sep 2026 (local time)

Forecast update in hr min

Today's Gnaraloo sea temperature is

22.0°C

Gnaraloo 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 Gnaraloo today (19 Sep):

Morning surf: Morning surf (19 Sep, local time) - 7ft (2.1m), 16s period with WSW swell.
Afternoon surf: Afternoon surf (19 Sep, local time) - 7ft (2.2m), 16s period with WSW swell.
Evening surf: Evening surf (19 Sep, local time) - 7ft (2.1m), 15s period with WSW swell.

The current surf forecast for Gnaraloo at 7AM is: 2.0m 16s primary swell from a West-southwest direction (forecast issued at 01:00am September 19). The wind direction is predicted to be cross-offshore.

Time (AWST) & Date	Wave Height	Wave Period
Morning (19 Sep)	7ft (2.1m)	16s
Afternoon (19 Sep)	7ft (2.2m)	16s
Evening (19 Sep)	7ft (2.1m)	15s

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

	Short Range Forecast Mostly dry. Warm (max 24°C on Sun afternoon, min 16°C on Sat night). Mainly fresh winds.
	Saturday 19								Sunday 20								Monday 21
	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)	2	3	3	3	1	2	2	2	2	3	3	3	1	0	1	0	0	1	1	2	0	1	1	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	W 17	WSW 16	WSW 16	WSW 16	WSW 16	WSW 15	WSW 15	WSW 15	WSW 14	WSW 14	WSW 14	WSW 13	WSW 13	WSW 13	WSW 13	WSW 13	WSW 12	WSW 12	WSW 13	WSW 13	SW 12	WSW 16	WSW 16	WSW 16
Wave Graph
kJ	1160	1899	2161	2252	2224	1976	2198	1613	1419	1423	1214	1074	805	632	522	426	413	355	476	465	359	848	962	1041
Wind (km/h)	S	S	S	SSW	SW	SSW	S	S	S	SSE	SSE	SSE	SSW	SSW	SSW	S	S	SSE	S	SSW	SW	SSW	SSW	SSW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross-off	cross	cross-off	cross-off	cross-off	cross-off	off	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
High Tide	1:42AM1.10m					2:49PM0.60m				2:18AM1.03m				4:46PM0.55m				3:10AM0.95m
Low Tide				9:02AM0.38m			6:45PM0.50m					10:30AM0.44m			6:06PM0.55m						1:11PM0.43m


	—	6:18	—	—	—	—	—	—	—	6:18	—	—	—	—	—	—	—	6:16	—	—	—	—	—	—
	—	—	—	—	—	6:20	—	—	—	—	—	—	—	6:20	—	—	—	—	—	—	—	6:21	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	19	19	18	22	21	21	20	18	18	16	16	22	24	23	20	20	19	18	19	24	23	23	21	20
Feels °C	16	18	16	20	17	16	15	13	13	11	10	17	19	17	15	16	15	15	15	20	17	18	17	16
Swell 1 Height (m) Direction Period (s)	W 17	WSW 16	WSW 16	WSW 16	WSW 16	WSW 15	WSW 15	WSW 15	WSW 14	WSW 14	WSW 14	WSW 13	WSW 13	WSW 13	WSW 13	WSW 13	WSW 12	WSW 12	WSW 13	WSW 13	WSW 16	WSW 16	WSW 16	WSW 16
kJ	1160	1899	2161	2252	2224	1976	2198	1613	1419	1423	1214	1074	805	632	522	426	413	355	476	465	359	848	962	1041
Swell 2 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	W 10	WSW 16	W 18	W 17	W 9	W 9	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2	53	56	220	2	2	—	—
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	W 10	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	SW 5	—	—	—	—	SW 4	—	SSW 4	SSW 4	S 4	SSE 4	—	—	SSW 4	SSW 4	SSW 4	SSW 6	SSW 6	SSE 3	—	SW 12	SW 4	SW 5	SSW 5
kJ	35	—	—	—	—	36	—	25	31	13	14	—	—	27	29	35	40	30	3	—	325	40	49	39
Nearest Offshore or Glassy	Bremer Bay WA - Far South	Outside Corner Bali - The Bukit	NIne Mile Beach WA - Far South	Lighthouse Bombie WA - North West	Outside Corner Bali - The Bukit	Outside Corner Bali - The Bukit	Outside Corner Bali - The Bukit	Jakes WA - North West	Blue Holes WA - North West	Blue Holes WA - North West	Blue Holes WA - North West	Jakes WA - North West	Cozies and Geeries WA - Perth City	Cathedral Rock WA - Rottnest Island	Guilderton Rivermouth WA - Perth City	Explosives (Geraldton Lighthouse) WA - North West	Jakes WA - North West	Jakes WA - North West	Blue Holes WA - North West	Jakes WA - North West	The Quarries WA - Margaret River	Bunbury The Wall WA - Perth South	Bunbury The groyne WA - Perth South	Bay Left Wall WA - Perth South
Rating (10 max)	2	3	3	5	3	3	4	5	4	4	4	4	4	3	4	3	4	4	4	4	4	4	3	3
Distance (km)	1310	1669	1384	216	1669	1669	1669	446	445	445	445	446	1001	937	866	567	446	446	445	446	1096	1081	1081	1081
Best forecast wave conditions in North West WA				Lighthouse Bombie				Jakes	Port Denison	Port Denison	Port Denison	Port Denison				Explosives (Geraldton Lighthouse)	Port Denison	Port Denison	Port Denison	Explosives (Geraldton Lighthouse)
Rating (10 max)				5				5	4	4	4	4				3	4	4	4	4
Best forecast wave conditions in Australia	Cyclops WA - Far South	Black Rock NSW - North Coast	Cathedral Rock VIC - Cape Otway	St George River VIC - Cape Otway	May's Point TAS - East Coast	Tessellated Pavements TAS - East Coast	Remarkable Caves TAS - East Coast	Trial Harbour TAS - West Coast	Luna Park VIC - Far West	Remarkable Caves TAS - East Coast	Fairhaven VIC - Torquay	Noises WA - Margaret River	St George River VIC - Cape Otway	Conto Springs WA - Margaret River	Supertubes WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Cyclops WA - Far South	Cyclops WA - Far South	Cyclops WA - Far South	Augusta Rivermouth WA - Margaret River	Daly Heads SA - Yorke Peninsula	Cape Northumberland SA - East Coast	Bunker Bay Bommie WA - Margaret River
Rating (10 max)	3	2	5	5	4	4	5	8	5	4	4	5	4	5	6	6	6	5	5	5	5	4	8	3
Header Global	El Huerto Spain	El Huerto Spain	Cathedral Rock Australia	Shingles New Zealand	Fairhaven Australia	Kaifu Rivermouth Japan	Trial Harbour Australia	Trial Harbour Australia	Easter Reef Australia	Asu Indonesia	Asu Indonesia	Noises Australia	Ahijedero Mexico	Papatowai New Zealand	Papatowai New Zealand	Shipwrecks Bay-Peaks New Zealand	Shipwrecks Bay-Peaks New Zealand	Shipwreck Bay-Supertubes New Zealand	Shipwreck Bay-Supertubes New Zealand	Cyclops Australia	Shipwrecks Bay-Peaks New Zealand	Shipwrecks Bay-Peaks New Zealand	Papatowai New Zealand	Ouano Lefts New Caledonia
Rating (10 max)	5	5	5	5	5	5	8	8	5	4	4	5	4	9	9	8	8	8	7	5	5	5	8	7

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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Gnaraloo 48 hour detailed Surf Forecast

How big are the waves at Gnaraloo today (19 Sep):

Short Range Forecast

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