The Guillotine 48 hour detailed Surf Forecast

Lat Long: 33.82° S 114.99° E

Issued: 1 am 20 Sep 2026 (local time)

Forecast update in hr min

Today's The Guillotine sea temperature is

18.3°C

The Guillotine 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 The Guillotine today (20 Sep):

Morning surf: Morning surf (20 Sep, local time) - 10ft (3.0m), 13s period with WSW swell.
Afternoon surf: Afternoon surf (20 Sep, local time) - 10ft (3.0m), 14s period with SW swell.
Evening surf: Evening surf (20 Sep, local time) - 11ft (3.5m), 15s period with SW swell.

The current surf forecast for The Guillotine at 7AM is: 3.0m 12s primary swell from a West-southwest direction and 0.6m 16s secondary swell from a Southwest direction (forecast issued at 01:00am September 20). The wind direction is predicted to be cross-shore and the swell rating is 11.

Time (AWST) & Date	Wave Height	Wave Period
Morning (20 Sep)	10ft (3.0m)	13s
Afternoon (20 Sep)	10ft (3.0m)	14s
Evening (20 Sep)	11ft (3.5m)	15s

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

	Short Range Forecast Mostly dry. Very mild (max 16°C on Sun morning, min 12°C on Tue night). Wind will be generally light.
	Sunday 20								Monday 21								Tuesday 22
	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)	0	!	!	!	!	!	!	!	!	!	!	!	!	!	!	3	4	4	4	!	!	!	!	4
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	WSW 13	WSW 13	WSW 12	SW 13	SW 14	SW 16	SW 16	SW 15	SW 15	SW 15	SW 15	SW 15	SW 15	SW 15	SW 15	SW 15	SW 14	SW 14	SW 14	SW 14	SW 14	SW 13	SW 13	SW 13
Wave Graph
kJ	3576	2925	2415	2601	2762	4193	4791	5118	4915	4890	4497	4394	4131	3715	3326	2963	2708	2471	2927	3569	3420	3003	2802	2456
Wind (km/h)	SW	SSW	S	SSW	SW	SW	SSE	ENE	NW	W	W	W	WSW	SW	SSW	S	SE	ESE	SE	SW	SW	SSW	SSE	SE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross	cross-on	cross-on	cross-on	cross	glassy	cross-on	cross-on	on	cross-on	on	on	cross-on	cross-on	cross-off	cross-off	glassy	on	on	cross-on	cross	cross-off
High Tide	1:03AM0.80m									2:38AM0.77m									6:05AM0.76m
Low Tide						2:51PM0.28m								3:03PM0.28m								3:14PM0.30m


	—	6:13	—	—	—	—	—	—	—	6:11	—	—	—	—	—	—	—	6:09	—	—	—	—	—	—
	—	—	—	—	—	6:14	—	—	—	—	—	—	—	6:15	—	—	—	—	—	—	—	6:15	—	—
mm	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	16	15	15	16	16	15	14	13	14	14	15	15	15	16	16	16	15	13	14	16	16	16	15	13
Feels °C	12	11	12	13	13	12	12	13	13	11	13	13	13	14	14	15	13	12	13	14	13	12	12	10
Swell 1 Height (m) Direction Period (s)	WSW 13	WSW 13	WSW 12	SW 13	SW 14	SW 16	SW 16	SW 15	SW 15	SW 15	SW 15	SW 15	SW 15	SW 15	SW 15	SW 15	SW 14	SW 14	SW 14	SW 14	SW 14	SW 13	SW 13	SW 13
kJ	3576	2925	2415	2601	2762	4193	4791	5118	4915	4890	4497	4394	4131	3715	3326	2963	2708	2471	2927	3569	3420	3003	2802	2456
Swell 2 Height (m) Direction Period (s)	—	SSW 16	SW 16	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	173	214	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Hussas WA - Margaret River	Injidup Point WA - Margaret River	Cow Bombie WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	Cow Bombie WA - Margaret River	Cow Bombie WA - Margaret River	Rocky Point WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	The Guillotine WA - Margaret River	The Guillotine WA - Margaret River	The Guillotine WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	Hussas WA - Margaret River	Injidup Point WA - Margaret River	The Guillotine WA - Margaret River
Rating (10 max)	5	4	4	4	4	5	5	6	3	5	5	5	5	5	5	4	4	4	4	5	5	5	4	4
Distance (km)	5	14	4	5	5	5	4	4	31	5	5	5	5	5	5	5	0	0	0	5	5	5	14	0
Best forecast wave conditions in Margaret River	Hussas	Injidup Point	Cow Bombie	Conto Springs	Conto Springs	Conto Springs	Surfers Point	Surfers Point	The Quarries	Hussas	Hussas	Hussas	Augusta Rivermouth	Hussas	Yallingup Beach	Supertubes	Surfers Point	Surfers Point	Surfers Point	Supertubes	Hussas	Conto Springs	Surfers Point	Surfers Point
Rating (10 max)	5	4	4	5	5	5	6	6	4	5	5	5	5	5	5	4	4	4	5	5	5	5	5	4
Best forecast wave conditions in Australia	Luna Park VIC - Far West	Remarkable Caves TAS - East Coast	Remarkable Caves TAS - East Coast	Conto Springs WA - Margaret River	Conto Springs WA - Margaret River	Conto Springs 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	Cyclops WA - Far South	Ethel Wreck SA - Yorke Peninsula	Blacknose Point VIC - Far West	Blacknose Point VIC - Far West	Easter Reef VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Quarantine VIC - Mornington Peninsula	Quarantine VIC - Mornington Peninsula	Knights SA - East Coast	Trial Harbour TAS - West Coast	Luna Park VIC - Far West	Luna Park VIC - Far West
Rating (10 max)	5	4	4	5	5	5	6	6	5	5	5	5	5	6	6	8	8	9	5	6	5	9	8	6
Header Global	Luna Park Australia	Asu Indonesia	Asu Indonesia	Asu Indonesia	Nine Mile New Zealand	Papatowai New Zealand	Papatowai New Zealand	Shipwrecks Bay-Peaks New Zealand	Shipwrecks Bay-Peaks New Zealand	Shipwreck Bay-Supertubes New Zealand	Cyclops Australia	Cyclops Australia	Ethel Wreck Australia	Shipwrecks Bay-Peaks New Zealand	Papatowai New Zealand	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Quarantine Australia	Dunedin - Bobs Beach New Zealand	Trial Harbour Australia	Trial Harbour Australia	Papatowai New Zealand
Rating (10 max)	5	4	4	4	9	9	9	7	8	8	5	5	5	5	5	8	8	9	9	6	7	9	9	8

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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The Guillotine 48 hour detailed Surf Forecast

How big are the waves at The Guillotine today (20 Sep):

Short Range Forecast

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