Surf Forecast Surf Report

Big Rock surfForecast / WA – Margaret River / Australia

information circle12 Day Weather and Surf, issued 1 pm Thursday 03 Apr 2025 AWST
Forecast update in hr  min  s Forecast update imminent
Big Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Big Rock sea temperature is
22.9° C
(Which is 2.0°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Big Rock this week:

The surf forecast for Big Rock over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Apr 03) at 8PM. The primary swell is predicted to be 2.0m and 13s period with a secondary swell of 1.4m and 6s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Big Rock in the next 12 days are 3.0m 14s and forecast to arrive on Monday (Apr 07) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 7s period and expected on Friday (Apr 04) at 11PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Thu 3rd Apr)6.5ft (2.0m) 13s
Best Surf 2AM (Mon 7th Apr)10ft (3.0m) 14s
Most Powerful 8AM (Mon 7th Apr)10ft (3.0m) 14s

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

Updates in  hr  min  s Forecast update imminent
Thu
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tue
15
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.1
SW
1.9
SW
1.8
SW
1.8
SW
1.8
SW
1.8
SW
1.9
SW
1.9
SSW
1.6
SW
1.9
SW
3
SSW
2.5
SSW
2.5
SW
2.5
SSW
2.3
SW
1.8
SW
1.7
SW
1.8
SW
1.8
SW
1.8
SW
1.3
SW
1.8
SW
3.5
SW
4.5
SW
5
SW
4.5
SW
4
SW
4
SW
3.5
SW
3.5
SW
3
SW
2.5
SW
2.3
SW
1.9
SW
1.9
SW
2.1
SW
Period(s) (?)131312131313131313131414141413131313141317161617191817171615141313121313
Wave
Graph
(?)Metric surfscale
Energy (?)1561122810421179108310941147122677212003228306628032629175610039361092138211629511611741010199160361192095311012068774893381024541645105911471387
Wind
(km/h)
25
SE
30
ESE
35
ESE
30
E
25
E
20
ENE
15
E
25
ESE
15
ENE
20
S
15
ENE
15
NW
15
NW
15
SW
25
SSW
25
SSW
15
SSW
10
SW
20
SW
20
SW
20
SSW
20
S
15
SE
15
S
30
S
20
SE
20
SE
30
SSE
20
ESE
15
E
25
S
20
ESE
15
E
15
S
20
E
25
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
offoffoffoffoffcross-
off
cross-
off
crossoffcross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
crosscrosscross-
off
cross-
off
cross-
off
offoffcross-
off
offoffcrossoffcross-
off
High Tide
/ height (m)
11:45AM
0.91
12:08PM
0.87
12:18PM
0.82
11:56AM
0.75
6:37PM
0.76
11:09AM
0.69
7:49PM
0.73
10:23AM
0.67
8:39PM
0.69
9:49AM
0.67
9:21PM
0.65
9:30AM
0.71
9:56PM
0.60
9:24AM
0.75
10:30PM
0.56
9:28AM
0.81
11:07PM
0.52
9:40AM
0.87
9:57AM
0.93
Low Tide
/ height (m)
12:55AM
0.26
1:46AM
0.25
2:25AM
0.27
2:55AM
0.30
3:03PM
0.73
3:16AM
0.35
2:55PM
0.65
3:27AM
0.40
3:15PM
0.58
3:25AM
0.45
3:43PM
0.51
3:10AM
0.49
4:12PM
0.45
2:45AM
0.51
4:44PM
0.42
2:14AM
0.51
5:18PM
0.40
1:39AM
0.51
5:56PM
0.39
Thu
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tue
15
Sunrise--6:33--6:33--6:35--6:35--6:35--6:37--6:37--6:39--6:39--6:39--6:41--6:41
Sunset6:13--6:12--6:09--6:08--6:07--6:06--6:05--6:04--6:02--6:00--6:00--5:59--
cloudlight rainmod rainlight rainrain showerslight rainpart cloudpart cloudclearclearclearclearcloudclearpart cloudpart cloudpart cloudpart cloudclearpart cloudpart cloudclearclearclearclearclearpart cloudclearclearclearclearclearclearpart cloudpart cloudpart cloud
Rain (mm)
-18111------------------------------
Temp. °C221916171617211922232222222221201817192018191718191719201517201721232223
Feels °C (?)201610121114191620242122222219171616161816161416141315151013151318211917

Short Range Forecast: Moderate rain (total 12mm), heaviest on Fri morning. Warm (max 22°C on Thu afternoon, min 15°C on Thu night). Winds decreasing (fresh winds from the ESE on Fri morning, light winds from the SE by Sat afternoon).

Days 3-6 Weather Summary Mostly dry. Warm (max 23°C on Sun afternoon, min 16°C on Wed morning). Wind will be generally light.

Days 6-9 Weather Summary Mostly dry. Warm (max 20°C on Wed night, min 15°C on Thu night). Mainly fresh winds.

Long Range Forecast: Mostly dry. Warm (max 25°C on Tue afternoon, min 11°C on Sun morning). Winds decreasing (fresh winds from the SSE on Sat afternoon, light winds from the SW by Mon afternoon).

  • 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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Information about the Big Rock Surf forecast

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

Big Rock is 85 km (53 miles) from the city of Bunbury. If you plan a holiday in Margaret River, look for hotels and other accommodation in Bunbury. Bunbury has rooms for a wide range of budgets as well as car hire and transport links.

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