Cow Bombie surfForecast / WA – Margaret River / Australia

information circle16 Day Weather and Surf, issued 7 am Friday 17 Apr 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
20.5° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Cow Bombie this week:

The most powerful waves expected at Cow Bombie in the next 16 days are 4.5m 17s and forecast to arrive on Monday (Apr 20) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5PM (Mon 20th Apr)15ft (4.5m) 17s

Table - best surf conditions forecast for Cow Bombie over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 3mm), mostly falling on Fri night. Warm (max 20°C on Fri afternoon, min 16°C on Fri night). Winds decreasing (strong winds from the WSW on Fri night, light winds from the NW by Sun night).

Days 3-6 Weather Summary Moderate rain (total 14mm), heaviest on Mon night. Very mild (max 19°C on Mon morning, min 14°C on Mon night). Winds decreasing (strong winds from the WSW on Mon night, light winds from the NW by Tue night).

Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
2
2
3
1
2
2
0
0
0
0
4
2
0
0
0
0
0
4
Swell
Height Map
Wave Height (m) & direction (?)
1.8
SW
1.3
SW
3.5
WSW
3.5
WSW
3
WSW
3
WSW
2.5
WSW
3
SW
3
SW
3
SW
4.5
W
5
WSW
4.5
WSW
4
WSW
3.5
WSW
2.5
WSW
2.5
WSW
4
WSW
4
WSW
4
WSW
4
WSW
Period(s) (?)111110111114141313151712131413131313131315
Wave
Graph
(?)Metric surfscale
Energy kJ (?)83143725602490194531392668264126014454111757608738363614243243120565433479351056719
Wind
(km/h)
30
WNW
40
NW
35
WSW
15
WSW
15
W
15
W
15
NW
15
NW
15
NNW
30
NNW
45
NW
40
SW
25
WSW
15
WSW
15
NW
30
NNW
30
NW
40
NW
30
SW
20
WSW
20
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
ononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
onon
High Tide
/ height (m)
9:23AM
0.86
12:55AM
0.61
9:41AM
0.93
10:03AM
0.99
10:27AM
1.02
10:53AM
1.03
11:18AM
1.01
11:35AM
0.96
Low Tide
/ height (m)
5:13PM
0.33
1:44AM
0.61
6:13PM
0.30
7:27PM
0.30
9:06PM
0.31
10:57PM
0.31
12:16AM
0.31
1:12AM
0.33
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Sunrise6:43--6:43--6:45--6:45--6:46--6:47--6:48--
Sunset-5:54--5:53--5:52--5:52--5:50--5:49--5:47-
cloud
part cloud
rain showers
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
rain showers
light rain
cloud
cloud
cloud
cloud
rain showers
rain showers
part cloud
rain showers
Rain (mm)
--3--------91----41-1
Temp. °C192018171717181818191915151616171818181817
Feels °C (?)1713111213141514161312571112111212131214
  • 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 16 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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