Gnaraloo Surf Forecast

/ WA – North West (27 breaks) / Western Australia (159 breaks) /

Australia (828 breaks) / Lat Long: (23.76° S 113.54° E)

Surf Forecasts:

Gnaraloo surfForecast / WA – North West / Australia

48hr Weather and Surf, issued 1 am Thursday 18 Sep 2025 AWST

Forecast update in hr min s Forecast update imminent

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

Today's Gnaraloo sea temperature is 22.0° C
(Which is normal for this time of year)

How big are the waves at Gnaraloo today?

The current surf forecast for Gnaraloo at 6AM is: 0.8m 11s primary swell from a West-southwest direction and 0.8m 7s secondary swell from a Southwest direction (forecast issued at 01:00am September 18). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (AWST) & Date	Wave Height	Wave Period
Morning (18 Sep)	2.5ft (0.8m)	11s
Afternoon (18 Sep)	3.5ft (1.1m)	11s
Evening (18 Sep)	5ft (1.6m)	7s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

		Thursday 18								Friday 19								Saturday 20
	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	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM
Rating (10 max)	0	0	1	0	1	0	0	0	0	0	1	2	2	2	1	1	1	3	3	3	2	3	1	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	WSW	SSW	WSW	WSW	WSW	SW	SW	SSW	SSW	WSW	WSW	WSW	WSW	WSW	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW
Period(s) (?)	12	7	11	11	11	11	12	7	8	16	16	16	15	15	15	15	16	16	16	15	15	15	15	14
Wave Graph (?)
kJ (?)	171	145	140	145	197	320	822	222	336	253	654	1379	1309	987	1229	1833	894	906	1241	1139	988	949	987	565
Wind (km/h)	S	SSE	SSE	SSE	SSE	S	S	S	S	SSE	SSE	SSE	SE	SSE	S	S	SSE	SSE	SSE	SE	ESE	SSE	S	S
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	off	off	off	cross- off	cross- off	cross- off	cross- off	cross- off	off	off	off	cross- off	cross- off	cross- off	cross- off	off	off	off	off	off	cross- off	cross- off
High Tide / height (m)				6:17AM 0.98					9:30PM 0.75			7:55AM 0.99					9:39PM 0.85				8:59AM 1.02
Low Tide / height (m)							2:33PM 0.31			1:51AM 0.64					3:10PM 0.29				2:59AM 0.53				3:39PM 0.28

		Thursday 18								Friday 19								Saturday 20
Sunrise	-	-	-	6:20	-	-	-	-	-	-	-	6:18	-	-	-	-	-	-	-	6:18	-	-	-	-
Sunset	-	-	-	-	-	-	6:20	-	-	-	-	-	-	-	6:20	-	-	-	-	-	-	-	6:20	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	17	16	15	16	21	25	22	19	18	16	15	15	23	28	27	22	21	20	19	20	28	32	32	25
Feels °C (?)	10	9	9	9	14	19	13	11	10	7	7	6	15	21	19	13	13	11	11	11	21	27	26	16

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

Recent Eyeball Surf Reports for WA - North West

Wind Update Offshore wind has become cross-off at Gnaraloo (moderate winds from the S at Carnarvon Airport 125 km from Gnaraloo). 1.8m 4s local chop from the SSE with a 0.9m 7s swell from the SW and a 0.5m 11s groundswell from the WSW as well as a 0.5m 14s groundswell, also from the WSW. 4 swells combining so expect closeout sets.
53 minutes ago Gnaraloo
Wind Update Recent on-shore wind 5 km from Cable Beach (Broome) has fallen light (light winds from the WSW at Broome Airport). Waves cleaning up. 0.4m 3s local chop from the W with a 0.2m 9s swell from the WSW and a 0.2m 13s groundswell from the W. 3 swells combining to make bigger set waves.
1 hour 23 minutes ago Cable Beach (Broome)

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