Grunters Surf Forecast

/ WA – Margaret River (57 breaks) / Western Australia (159 breaks) /

Australia (828 breaks)

Surf Forecasts:

Grunters surfForecast / WA – Margaret River / Australia

48hr Weather and Surf, issued 1 am Friday 19 Sep 2025 AWST

Forecast update in hr min s Forecast update imminent

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

Today's Grunters sea temperature is 17.6° C
(Which is slightly warmer than usual)

How big are the waves at Grunters today?

The current surf forecast for Grunters at 5AM is: 5.0m 14s primary swell from a Southwest direction and 0.2m 11s secondary swell from a South-southeast direction (forecast issued at 01:00am September 19). The wind direction is predicted to be cross-onshore.

Time (AWST) & Date	Wave Height	Wave Period
Morning (19 Sep)	15ft (4.5m)	14s
Afternoon (19 Sep)	15ft (4.5m)	14s
Evening (19 Sep)	13ft (4.0m)	14s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

		Friday 19								Saturday 20								Sunday 21
	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	0	0	6	5	4	5	5	4	4	5	3	1	1	2	3	4	4	4	2	1	3	4
Swell Height Map See all maps
Wave Height (m) & direction (?)	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW
Period(s) (?)	14	14	14	14	14	14	14	14	14	14	14	14	14	13	13	13	13	13	13	13	13	14	14	15
Wave Graph (?)
kJ (?)	7702	8224	9225	8929	8168	7392	6656	5918	5191	4662	3981	3448	3180	2693	2390	2187	1922	1892	1751	1778	2094	2323	2743	3352
Wind (km/h)	SW	SW	SW	SSW	SSW	SSW	SSW	SSE	SSE	SSE	SSE	SSE	SW	SW	S	SSE	SSE	SE	ESE	SE	S	SSW	SSE	SE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross	cross	cross	glass	cross- on	cross- on	cross- on	cross	cross	cross- off	cross- off	cross- off	cross- on	cross- on	cross	cross- off
High Tide / height (m)					8:28AM 0.66					11:16PM 0.38			9:04AM 0.62				10:21PM 0.41				9:38AM 0.57
Low Tide / height (m)							4:40PM 0.16			1:53AM 0.37					4:42PM 0.23				2:56AM 0.33				4:25PM 0.29

		Friday 19								Saturday 20								Sunday 21
Sunrise	-	-	-	6:13	-	-	-	-	-	-	-	6:13	-	-	-	-	-	-	-	6:11	-	-	-	-
Sunset	-	-	-	-	-	-	6:13	-	-	-	-	-	-	-	6:14	-	-	-	-	-	-	-	6:15	-

Rain (mm)	-	1	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	15	15	15	16	16	16	16	14	14	14	14	14	15	14	14	14	13	12	12	12	17	19	16	14
Feels °C (?)	9	10	10	12	13	13	13	11	13	12	13	13	13	11	11	12	11	10	10	10	15	16	12	10

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 - Margaret River

Wind Update Wind reports 10 km away suggest it is still onshore at Grunters (moderate winds from the WSW at Witchcliffe). A 4.1m groundswell from the SW is too big for here
2 hours 16 minutes ago Grunters

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2 h 16 min ago

20 km/h

WSW

Onshore

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