Castles 48 hour detailed Surf Forecast

Lat Long: 32.09° S 132.98° E

Issued: 2 am 18 Jul 2026 (local time)

Forecast update in hr min

Today's Castles sea temperature is

16.0° C

Castles 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 Castles today (18 Jul):

Morning surf: Morning surf (18 Jul, local time) - 2.5ft (0.8m), 13s period with SW swell.
Afternoon surf: Afternoon surf (18 Jul, local time) - 2.5ft (0.7m), 13s period with SW swell.
Evening surf: Evening surf (18 Jul, local time) - 2ft (0.6m), 13s period with SW swell.

The current surf forecast for Castles at 5AM is: 0.9m 14s primary swell from a Southwest direction (forecast issued at 02:30am July 18). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ACST) & Date	Wave Height	Wave Period
Morning (18 Jul)	2.5ft (0.8m)	13s
Afternoon (18 Jul)	2.5ft (0.7m)	13s
Evening (18 Jul)	2ft (0.6m)	13s

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

	Short Range Forecast Mostly dry. Very mild (max 19°C on Sat afternoon, min 13°C on Sat morning). Wind will be generally light.
	Saturday 18								Sunday 19								Monday 20
	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM
Rating (10 max)	1	1	1	1	0	0	1	0	0	0	0	0	0	1	2	3	2	2	2	2	1	2	3	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 14	SW 14	SW 14	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 12	SW 12	SW 19	SW 18	SW 18	SW 17	SW 16	SW 16	SW 16	SW 16	SW 15	SW 15	SW 15	SW 14	SW 14
Wave Graph
kJ	350	297	272	215	208	178	175	136	132	122	118	133	161	370	362	527	587	739	628	566	543	543	536	573
Wind (km/h)	NNE	NNE	NNE	N	N	N	NNE	NNE	NNE	NNE	N	N	N	NNW	N	NNE	NNE	N	N	N	NNW	WNW	SE	E
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	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-off	cross-off	cross-off	cross-off	cross-off	cross	cross-on	cross-off	off
High Tide		1:49AM0.83m				2:05PM1.17m				2:13AM0.89m				2:16PM1.10m				2:41AM0.91m				2:26PM1.04m
Low Tide				7:34AM0.15m				8:28PM0.21m				7:58AM0.22m				8:40PM0.17m				8:22AM0.31m				8:56PM0.16m


	—	—	7:35	—	—	—	—	—	—	—	7:35	—	—	—	—	—	—	—	7:35	—	—	—	—	—
	—	—	—	—	—	5:52	—	—	—	—	—	—	—	5:52	—	—	—	—	—	—	—	5:52	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	16	15	14	13	16	19	19	18	17	16	15	14	17	19	19	19	18	17	16	15	17	19	18	18
Feels °C	10	9	7	7	9	13	15	13	11	10	9	8	11	14	15	15	13	11	11	10	13	16	15	15
Swell 1 Height (m) Direction Period (s)	SW 14	SW 14	SW 14	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13	SW 12	SW 12	SW 12	SW 18	SW 18	SW 17	SW 16	SW 16	SW 16	SW 16	SW 15	SW 15	SW 15	SW 14	SW 14
kJ	350	297	272	215	208	178	175	136	132	122	118	71	161	370	362	527	587	739	628	566	543	543	536	573
Swell 2 Height (m) Direction Period (s)	—	—	—	—	—	—	—	SW 22	SW 21	SW 21	SW 20	SW 19	SW 12	SW 13	WSW 13	SSW 10	S 10	—	S 11	S 10	S 10	WNW 3	—	—
kJ	—	—	—	—	—	—	—	18	18	18	60	133	71	85	113	10	8	—	9	2	8	1	—	—
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	WSW 15	SW 15	—	NW 4	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	21	54	—	7	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	—	NNE 3	NNE 3	N 3	N 3	NNW 3	NNW 3	NNW 3	NNE 2	N 3	N 3	N 4	NNW 4	NW 4	—	—	—	N 2	NNW 3	NNW 3	NW 3	—	—	—
kJ	—	1	3	3	5	2	1	1	1	5	7	12	10	3	—	—	—	1	3	4	3	—	—	—
Nearest Offshore or Glassy	Caves SA - Nullarbor	Caves SA - Nullarbor	Backdoors SA - Nullarbor	Backdoors SA - Nullarbor	Backdoors SA - Nullarbor	Backdoors SA - Nullarbor	Cactus SA - Nullarbor	Backdoors SA - Nullarbor	Backdoors SA - Nullarbor	Backdoors SA - Nullarbor	Backdoors SA - Nullarbor	Backdoors SA - Nullarbor	Baird Bay Reef SA - Eyre Peninsula	Fishery Bay SA - Eyre Peninsula	Cactus SA - Nullarbor	Cactus SA - Nullarbor	Backdoors SA - Nullarbor	Backdoors SA - Nullarbor	Spoggies SA - Nullarbor	Baird Bay Reef SA - Eyre Peninsula	West Cape SA - Yorke Peninsula	Baird Bay Reef SA - Eyre Peninsula	Cactus SA - Nullarbor	Cactus SA - Nullarbor
Rating (10 max)	2	2	2	2	2	1	1	1	1	1	1	2	2	4	2	3	3	3	3	3	3	3	3	3
Distance (km)	0	0	1	1	1	1	0	1	1	1	1	1	178	401	0	0	1	1	1	178	501	178	0	0
Best forecast wave conditions in Nullarbor	Spoggies	Spoggies	Spoggies	Spoggies	Spoggies	Spoggies	Spoggies	Spoggies	Spoggies	Spoggies	Spoggies	Spoggies			Spoggies	Spoggies	Spoggies	Spoggies	Spoggies				Witzigs	Spoggies
Rating (10 max)	2	2	2	2	2	1	1	1	1	1	1	2			2	3	3	3	3				3	3
Best forecast wave conditions in Australia	Luna Park VIC - Far West	Point Lonsdale VIC - Torquay	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Steep Point WA - North West	Steep Point WA - North West	Steep Point WA - North West	Turtles WA - North West	Red Bluff WA - North West	Red Bluff WA - North West	Red Bluff WA - North West	Turtles WA - North West	Turtles WA - North West	JD Reef NSW - Newcastle	Surfers Point WA - Margaret River	Surfers Point WA - Margaret River	Luna Park VIC - Far West	Luna Park VIC - Far West	Luna Park VIC - Far West	Red Bluff WA - North West	Cyclops WA - Far South	Luna Park VIC - Far West	Luna Park VIC - Far West
Rating (10 max)	5	4	4	4	4	4	4	5	4	4	5	5	5	4	4	4	5	4	4	4	4	4	4	4
Header Global	Dunedin - Kuri Bush New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Seconds (White Rock) New Zealand	Papatowai New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Kaka Point New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Humenga Point New Zealand	Otago Peninsula - Allans Beach New Zealand	Ning Nong Point and Reef New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand
Rating (10 max)	7	6	6	9	9	9	8	7	6	6	6	6	6	7	7	7	8	7	7	6	5	7	7	6

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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Castles 48 hour detailed Surf Forecast

How big are the waves at Castles today (18 Jul):

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