Cow Bombie surfForecast / WA – Margaret River / Australia

information circle12 Day Weather and Surf, issued 7 am Friday 02 Jan 2026 AWST
Forecast update in hr  min  s Forecast update imminent
Cow Bombie surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cow Bombie sea temperature is
20.8° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Cow Bombie this week:

The surf forecast for Cow Bombie over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jan 04) at 5AM. The primary swell is predicted to be 1.7m and 12s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Cow Bombie in the next 12 days are 3.5m 14s and forecast to arrive on Tuesday (Jan 06) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 6s period and expected on Friday (Jan 02) at 8PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sun 4th Jan)5.5ft (1.7m) 12s
Best Surf 5AM (Sun 4th Jan)5.5ft (1.7m) 12s
Most Powerful 8PM (Tue 6th Jan)11ft (3.5m) 14s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 26°C on Fri morning, min 15°C on Sat night). Winds decreasing (fresh winds from the S on Fri afternoon, light winds from the SSE by Sun morning).

Days 3-6 Weather Summary Mostly dry. Warm (max 22°C on Wed afternoon, min 13°C on Wed night). Winds increasing (light winds from the SSE on Mon morning, fresh winds from the SSE by Wed night).

Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
2
3
1
0
2
0
0
3
0
0
2
2
0
4
2
1
3
1
0
2
Swell
Height Map
Wave Height (m) & direction (?)
2.3
SW
2.1
SW
1.9
SW
1.6
SW
1.6
SW
1.5
SW
1.6
SW
1.3
SW
1.6
SW
1.7
SW
1.7
WSW
1.7
WSW
2.5
SW
3
SW
3.5
SW
3
SW
3
SW
3
SW
2.5
SW
2
SW
1.6
SW
Period(s) (?)141413121212111112111110151414141313121211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)20321615121076168960357441471171364566131353912415535232795248318661094640
Wind
(km/h)
25
S
35
SSE
25
SE
25
S
35
S
20
SE
25
SSW
30
S
15
SSE
30
SSW
30
SSW
20
SSE
25
SSW
35
S
20
SE
25
S
35
SSE
25
SE
30
S
40
S
25
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
off
crosscrosscross-
off
cross-
on
crosscross-
off
cross-
on
crosscross-
off
crosscrosscross-
off
crosscross-
off
cross-
off
crosscrosscross-
off
High Tide
/ height (m)
8:41PM
0.94
9:17PM
0.93
9:49PM
0.89
10:16PM
0.82
10:33PM
0.74
10:34PM
0.64
10:00PM
0.56
Low Tide
/ height (m)
6:19AM
0.02
6:59AM
0.06
7:35AM
0.12
8:02AM
0.18
8:13AM
0.25
7:50AM
0.30
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Sunrise5:11--5:13--5:13--5:15--5:16--5:16--5:16--
Sunset-7:34--7:34--7:34--7:34--7:34--7:34--7:34-
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C262519262519212119212119191917212216212116
Feels °C (?)2219132219141816161816161413111615916159
  • 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 Cow Bombie Surf forecast

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

Cow Bombie is 83 km (52 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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