Surf Forecast Surf Report
Gas Bay surf break

Gas Bay surfForecast / WA – Margaret River / Australia

information circle12 Day Weather and Surf, issued 1 pm Tuesday 15 Apr 2025 AWST
Forecast update in hr  min  s Forecast update imminent
Gas Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gas Bay sea temperature is
22.2° C
(Which is 1.4°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Gas Bay this week:

The surf forecast for Gas Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Apr 15) at 8PM. The primary swell is predicted to be 1.8m and 14s period with a secondary swell of 0.6m and 8s. Another secondary swell of 0.6m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Gas Bay in the next 12 days are 3.0m 17s and forecast to arrive on Monday (Apr 21) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Monday (Apr 21) at 11PM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Tue 15th Apr)6ft (1.8m) 14s
Best Surf11AM (Mon 21st Apr)10ft (3.0m) 17s
Most Powerful 2PM (Mon 21st Apr)10ft (3.0m) 17s

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

Updates in  hr  min  s Forecast update imminent
Tue
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sun
27
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
Swell
Height Map
Wave Height (m) & direction (?)
1.7
SW
2.3
SW
3
SW
3.5
SW
3.5
SW
3
SW
2.5
SW
2.3
SW
3.5
SSW
3
SSW
2.5
SSW
2.3
SW
2.2
SW
1.6
SW
1.9
SW
2.1
SW
1.6
SW
3
SW
3
SW
3
SW
3
SW
3
SW
2.5
SW
2.3
SW
2.4
SSW
1.8
SW
3
SW
3
SW
2.3
SW
2.1
SW
1.9
SW
1.7
SW
1.8
SSW
1.6
SW
1.8
SSW
1.6
SSW
Period(s) (?)151415151515141414131312121114131917161616151414131316161414131313121212
Wave
Graph
(?)Metric surfscale
Energy (?)1254212545014810448339362458202441593314225714721278653150515841924511649384748435733442747196219741021424238272232158712809811052718970797
Wind
(km/h)
15
SSW
10
ESE
5
S
20
S
15
SE
30
S
30
S
30
S
25
SSE
25
SSE
15
ESE
15
ESE
20
SE
20
E
10
N
10
S
15
SE
10
S
20
S
20
SW
20
S
20
S
20
SSW
20
S
20
SSE
15
SSE
20
SSE
20
SSE
10
ESE
10
SE
25
SSE
20
ENE
15
N
10
NW
10
NNE
30
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossoffglasscrosscross-
off
crosscrosscross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
offcrosscrosscross-
off
cross-
off
cross-
off
cross-
on
crosscrosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
offcross-
off
cross-
on
cross-
off
cross-
on
High Tide
/ height (m)
10:12AM
0.73
10:38AM
0.74
11:10AM
0.73
11:48AM
0.70
12:37PM
0.67
3:08PM
0.62
5:41PM
0.61
10:11AM
0.47
7:03PM
0.59
9:20AM
0.48
8:16PM
0.55
9:11AM
0.53
9:32PM
0.50
9:14AM
0.61
11:08PM
0.43
9:25AM
0.69
Low Tide
/ height (m)
7:00PM
0.21
12:06AM
0.19
12:43AM
0.16
1:08AM
0.13
1:28AM
0.11
1:45AM
0.09
2:03AM
0.09
2:23AM
0.11
1:14PM
0.45
2:43AM
0.16
2:31PM
0.35
2:58AM
0.24
3:32PM
0.25
3:00AM
0.32
4:34PM
0.16
2:28AM
0.39
Tue
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sun
27
Sunrise--6:41--6:43--6:43--6:45--6:45--6:46--6:47--6:48--6:48--6:48--6:50--6:50
Sunset5:57--5:55--5:54--5:53--5:52--5:51--5:50--5:49--5:47--5:46--5:45--5:45--
part cloudclearclearclearclearrain showerspart cloudrain showerscloudpart cloudpart cloudclearclearclearclearclearclearclearclearclearpart cloudpart cloudcloudcloudpart cloudpart cloudcloudpart cloudpart cloudpart cloudclearclearclearclearpart cloudpart cloud
Rain (mm)
-----2-1----------------------------
Temp. °C181720201818171717161518191618181621211819181716171616161516171619191920
Feels °C (?)151519161513121211111014151116151318171517141312121211111113131216161716

Short Range Forecast: Light rain (total 3mm), mostly falling on Thu morning. Warm (max 20°C on Wed morning, min 14°C on Tue night). Winds increasing (calm on Wed morning, fresh winds from the S by Thu morning).

Days 3-6 Weather Summary Mostly dry. Warm (max 21°C on Mon morning, min 12°C on Sat night). Wind will be generally light.

Days 6-9 Weather Summary Mostly dry. Warm (max 21°C on Mon afternoon, min 15°C on Wed night). Wind will be generally light.

Long Range Forecast: Mostly dry. Warm (max 20°C on Sun morning, min 13°C on Sat morning). Winds increasing (calm on Sat night, fresh winds from the WNW by Sun morning).

  • 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 Gas Bay Surf forecast

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

Gas Bay is 96 km (60 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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