Thistle Island (False Creek) Surf Forecast

/ SA – Eyre Peninsula (19 breaks) / South Australia (91 breaks) /

Australia (828 breaks)

Surf Forecasts:

Thistle Island (False Creek) surfForecast / SA – Eyre Peninsula / Australia

12 Day Weather and Surf, issued 2 pm Monday 15 Sep 2025 ACST

Forecast update in hr min s Forecast update imminent

Thistle Island (False Creek) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Thistle Island (False Creek) sea temperature is 14.9° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Thistle Island (False Creek) this week:

The surf forecast for Thistle Island (False Creek) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 17) at 12AM. The primary swell is predicted to be 5.0m and 15s period with a secondary swell of 4.0m and 16s. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Thistle Island (False Creek) in the next 12 days are 5.0m 15s and forecast to arrive on Wednesday (Sep 17) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Thursday (Sep 18) at 9AM.

Wave Type	Time (ACST) & Date	Wave Height & Period
Next good surf (1 star+)	12AM (Wed 17th Sep)	16ft (5.0m) 15s
Best Surf	12AM (Wed 17th Sep)	16ft (5.0m) 15s
Most Powerful	12AM (Wed 17th Sep)	16ft (5.0m) 15s

Table - best surf conditions forecast for Thistle Island (False Creek) over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Some drizzle, heaviest during Tue morning. Very mild (max 18°C on Thu morning, min 12°C on Tue night). Winds decreasing (strong winds from the W on Mon afternoon, light winds from the NW by Wed afternoon).											Days 3-6 Weather Summary Some drizzle, heaviest during Fri afternoon. Very mild (max 16°C on Thu afternoon, min 12°C on Fri night). Winds increasing (light winds from the WSW on Thu afternoon, gales from the WNW by Fri morning).
	Mon 15		Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21
	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM
Rating (10 max)	0	0	0	0	!	!	!	!	2	1	!	0	0	0	0	0	0	!	!	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SW	WSW	SW	SW	WSW	SW	SW	SW	SW	SW	SW	SW	WSW	SW	SW	SW	SW	SSW	SSW	SSW	SSW
Period(s) (?)	13	12	13	14	15	14	14	13	11	12	12	11	11	14	14	14	14	14	16	15	14
Wave Graph (?)
kJ (?)	577	1825	3776	5395	11590	4782	3601	1645	739	946	1141	1492	2697	6538	5239	4757	6381	3709	7179	5659	3456
Wind (km/h)	W	W	W	W	WSW	WNW	NW	N	NW	WSW	W	WNW	WSW	WSW	W	W	WSW	W	W	WSW	SSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross	cross- on	cross- on	cross	cross- off	cross- off	cross- off	cross- on	cross	cross	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross	cross- on	on
High Tide / height (m)			6:12AM 0.91			11:20AM 0.83			12:24PM 0.91		2:43AM 0.56		12:59PM 0.96	2:17AM 0.66		1:28PM 0.98	2:16AM 0.78		1:53PM 0.97	2:26AM 0.91
Low Tide / height (m)		9:19PM -0.01			8:58PM 0.03			8:28PM 0.05			8:09PM 0.05	6:38AM 0.43		8:04PM 0.03	7:17AM 0.30		8:07PM 0.01	7:50AM 0.19		8:15PM -0.00	8:21AM 0.10

	Mon 15		Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21
Sunrise	-	-	6:24	-	-	6:22	-	-	6:22	-	-	6:20	-	-	6:18	-	-	6:16	-	-	6:16
Sunset	6:15	-	-	6:15	-	-	6:16	-	-	6:17	-	-	6:19	-	-	6:19	-	-	6:20	-	-

Rain (mm)	-	-	1	-	-	-	-	-	-	-	-	-	1	-	-	-	-	-	-	-	-
Temp. °C	16	14	13	13	13	13	14	13	18	16	14	16	13	13	13	13	14	15	15	15	13
Feels °C (?)	7	6	4	3	6	9	11	10	15	12	12	4	2	4	5	5	8	10	9	10	7

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 SA - Eyre Peninsula

Wind Update Still cross-shore at Thistle Island (False Creek) (near gales from the WNW at Neptune Island Lighthouse 41 km from Thistle Island (False Creek)). 1.4m 5s windswell from the W with a 0.9m 13s groundswell from the SW. 2 swells combining so expect closeout sets.
56 minutes ago Thistle Island (False Creek)

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41 km away, 56 min ago

52 km/h

WNW

0.0

14.9

Air / Water (°C)

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Information about the Thistle Island (False Creek) Surf forecast

The above surf forecast table for Thistle Island (False Creek) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Thistle Island (False Creek) can be found by selecting the local surf guide option on the grey menu. Our Thistle Island (False Creek) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Thistle Island (False Creek)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Thistle Island (False Creek) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.