Gnaraloo 48 hour detailed Surf Forecast

Lat Long: 23.76° S 113.54° E

Issued: 7 am 14 Sep 2026 (local time)

Forecast update in hr min

Today's Gnaraloo sea temperature is

21.9°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 (14 Sep):

Morning surf: Morning surf (14 Sep, local time) - 5ft (1.5m), 15s period with WSW swell.
Afternoon surf: Afternoon surf (14 Sep, local time) - 5ft (1.6m), 15s period with WSW swell.
Evening surf: Evening surf (14 Sep, local time) - 4.5ft (1.4m), 14s period with WSW swell.

The current surf forecast for Gnaraloo at 4PM is: 1.4m 15s primary swell from a West-southwest direction (forecast issued at 07:00am September 14). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AWST) & Date	Wave Height	Wave Period
Morning (14 Sep)	5ft (1.5m)	15s
Afternoon (14 Sep)	5ft (1.6m)	15s
Evening (14 Sep)	4.5ft (1.4m)	14s

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

	Short Range Forecast Mostly dry. Warm (max 23°C on Wed morning, min 18°C on Mon morning). Winds decreasing (fresh winds from the SSW on Tue afternoon, light winds from the S by Wed night).
	Monday 14							Tuesday 15								Wednesday 16
	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	1	3	0	1	1	1	1	1	1	1	1	1	1	2	2	2	2	2	0	0	1	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	WSW 15	WSW 15	WSW 15	WSW 15	WSW 15	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14
Wave Graph
kJ	1067	827	1079	1081	784	800	778	756	756	789	789	1244	789	943	1126	1057	874	763	702	640	857	421	421
Wind (km/h)	S	S	S	SW	SSW	SSW	S	S	S	S	SSW	SSW	SSW	S	S	S	S	SSE	SSW	SW	SW	SSW	SE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross	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	cross-off	off
High Tide				11:58AM1.00m				11:51PM1.27m				12:32PM0.92m				00:18AM1.26m				1:03PM0.84m
Low Tide		5:50AM0.14m				5:29PM0.32m				6:26AM0.14m				5:50PM0.35m				7:00AM0.17m				6:10PM0.38m


	6:24	—	—	—	—	—	—	—	6:22	—	—	—	—	—	—	—	6:22	—	—	—	—	—	—
	—	—	—	—	6:17	—	—	—	—	—	—	—	6:19	—	—	—	—	—	—	—	6:19	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	18	18	22	21	21	20	19	19	19	19	21	22	22	20	20	19	18	18	23	22	21	21	21
Feels °C	13	12	18	15	15	15	15	15	15	16	17	17	17	16	17	17	16	17	22	19	18	20	20
Swell 1 Height (m) Direction Period (s)	WSW 15	WSW 15	WSW 15	—	WSW 15	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	—	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	WSW 14	—	WSW 14	WSW 14
kJ	1067	827	1079	—	784	800	778	756	756	789	789	—	789	943	1126	1057	874	763	702	640	—	421	421
Swell 2 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	W 18	WSW 18	W 18	—	—	—	SW 4
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	59	106	57	—	—	—	13
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	SE 3	SSW 6	—	WSW 15	SW 5	SSW 5	SSW 4	SSW 6	SSW 6	SSW 7	SW 7	WSW 14	SW 5	SSW 4	—	—	—	—	—	SW 3	WSW 14	SW 4	—
kJ	1	46	—	1081	49	37	32	46	49	57	65	1244	41	22	—	—	—	—	—	6	857	26	—
Nearest Offshore or Glassy	Jakes WA - North West	Jakes WA - North West	Dunes WA - North West	Avalon Point WA - Perth City	Bunbury Surf Club Backbeach WA - Perth South	The Spot WA - Perth City	North Beach Tom's WA - Perth City	Explosives (Geraldton Lighthouse) WA - North West	Explosives (Geraldton Lighthouse) WA - North West	Coronation Beach WA - North West	Dongara-Port Denison WA - North West	Guilderton Rivermouth WA - Perth City	Watermans WA - Perth City	Dongara-Port Denison WA - North West	Coronation Beach WA - North West	Jakes WA - North West	Blue Holes WA - North West	Horrocks WA - North West	Lighthouse Bombie WA - North West	Back Beach WA - Perth City	The Spot WA - Perth City	Jakes WA - North West	Gnaraloo WA - North West
Rating (10 max)	4	4	3	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	2
Distance (km)	446	446	227	1003	1081	887	927	567	567	543	628	866	924	628	543	446	445	522	216	817	887	446	0
Best forecast wave conditions in North West WA	Port Denison	Port Denison	Port Denison					Explosives (Geraldton Lighthouse)	Explosives (Geraldton Lighthouse)	Greenough River Mouth	Port Denison			Port Denison	Port Denison	Port Denison	Port Denison	Tarcoola (Chanteez)	Lighthouse Bombie			Dongara-Port Denison	Port Denison
Rating (10 max)	4	4	4					4	4	4	4			4	4	4	4	4	4			3	3
Best forecast wave conditions in Australia	Surfers Point WA - Margaret River	Bunker Bay Bommie WA - Margaret River	Surfers Point WA - Margaret River	Bunker Bay Bommie WA - Margaret River	Bunker Bay Bommie WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Bunker Bay Bommie WA - Margaret River	The Womb WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Daly Heads SA - Yorke Peninsula	May's Point TAS - East Coast	Daly Heads SA - Yorke Peninsula	Left Point VIC - Phillip Island	Guillotines NSW - South Coast	Depot Beach NSW - South Coast
Rating (10 max)	5	4	6	4	4	6	6	5	5	5	5	4	5	5	4	4	4	4	4	4	4	4	4
Header Global	Ouano Lefts New Caledonia	Fish Boma South Africa	Cobblestones Australia	Namotu Lefts Fiji	Cloudbreak Fiji	Gas Bay Australia	Glen Eden South Africa	Cloudbreak Fiji	Cloudbreak Fiji	Cow Bombie Australia	Cobblestones Australia	Supertubes Australia	Cow Bombie Australia	Cow Bombie Australia	Saint Leu Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Etang-Sale Reunion	Saint Leu Reunion	Doring Bay South Africa	Etang-Sale Reunion	Etang-Sale Reunion	Etang-Sale Reunion
Rating (10 max)	6	5	6	6	5	6	7	5	5	5	5	5	5	5	5	7	7	6	6	5	5	5	5

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Latest Updates

Ben Mondy

Six Sun-Soaked Summer Surf Spots: Backed by 20 years of Swell and Wind Stats (and with our 20% Summer Subscription Sale)

Ben Mondy

Summer School: The Timeline of The Boardshort

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Gnaraloo surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

Gnaraloo 48 hour detailed Surf Forecast

How big are the waves at Gnaraloo today (14 Sep):

Short Range Forecast

Latest Updates

Road Testing the new Db Surf Roller Pro

Summer's Short. Life Is Long.

Roadsurfing in the Basque country

Six Sun-Soaked Summer Surf Spots: Backed by 20 years of Swell and Wind Stats (and with our 20% Summer Subscription Sale)

Summer School: The Timeline of The Boardshort

FREE! Surf-Forecast.com widget for your website