Caves surf break

Caves surfForecast / SA – Nullarbor / Australia

information circle12 Day Weather and Surf, issued 9 pm Wednesday 10 Dec 2025 ACDT
Forecast update in hr  min  s Forecast update imminent
Caves surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Caves sea temperature is
20.3° C
(Which is 2.2°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Caves this week:

The surf forecast for Caves over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Dec 17) at 4AM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.6m and 5s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Caves in the next 12 days are 1.7m 14s and forecast to arrive on Monday (Dec 15) at 7AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Tuesday (Dec 16) at 4AM.

Wave TypeTime (ACDT) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Wed 17th Dec)2ft (0.6m) 10s
Best Surf 4AM (Wed 17th Dec)2ft (0.6m) 10s
Most Powerful 7AM (Mon 15th Dec)5.5ft (1.7m) 14s

Table - best surf conditions forecast for Caves over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 31°C on Thu morning, min 16°C on Fri night). Winds decreasing (strong winds from the SE on Wed night, light winds from the SE by Thu morning).

Days 3-6 Weather Summary Mostly dry. Warm (max 24°C on Tue morning, min 14°C on Mon night). Winds increasing (light winds from the SSE on Sat night, fresh winds from the SSE by Mon afternoon).

Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.6
S
0.8
SW
0.8
SW
1.3
SSW
0.8
SW
1.4
SW
1.4
SSW
1.1
SSW
0.8
SW
0.8
SW
0.8
SW
0.9
SW
1.2
SW
1.6
SSW
1.2
SW
1
SW
1.1
SSW
0.9
SW
0.7
SW
0.4
SW
0.7
S
Period(s) (?)81313131313771312121214141312111110159
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3332242355452056131801282461841722405658894512723141721066281
Wind
(km/h)
35
ESE
20
ENE
30
SE
20
SW
25
WSW
35
SW
35
SSE
30
SSE
30
S
25
SSE
20
S
30
S
30
SE
25
SE
35
SSE
30
SE
20
E
30
SSE
20
ESE
10
NE
30
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
crossonononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross-
on
crosscross-
off
cross-
on
cross-
off
offcross-
on
High Tide
/ height (m)
3:15AM
1.05
2:53PM
0.68
3:24AM
0.95
3:30PM
0.62
3:18AM
0.85
1:57AM
0.78
12:04AM
0.85
10:52AM
0.57
11:53PM
0.98
11:36AM
0.63
12:06AM
1.11
12:06PM
0.68
Low Tide
/ height (m)
9:49AM
0.42
8:32PM
0.34
10:16AM
0.43
8:24PM
0.48
10:56AM
0.46
3:40PM
0.46
7:16AM
0.52
4:31PM
0.38
6:46AM
0.42
5:04PM
0.31
6:55AM
0.32
5:34PM
0.24
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
Sunrise-6:24--6:24--6:24--6:24--6:24--6:26--6:26-
Sunset--8:37--8:37--8:37--8:38--8:38--8:39--8:40
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C233129212019171717161717161717172420202929
Feels °C (?)172924201814111212111412121211121914162522
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Caves Surf forecast

The above surf forecast table for Caves provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Caves can be found by selecting the local surf guide option on the grey menu. Our Caves 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 (Caves) 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 Caves 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.

Are you planning a holiday in Nullarbor? If you are looking for accommodation near Caves, camping, hotels and holiday cottages in Nullarbor, consider staying in Thevenard which is 64 km (40 miles) away.

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