Trigg Beach Surf Break

Lat Long: 31.87° S 115.74° E

Trigg Beach Surf Forecast and Surf Report

Issued: 1 am 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Trigg Beach sea temperature is
18.2°C
0.5° 

Trigg Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Trigg Beach surf forecast from 28 Aug 2026:

  • Best quality surf: Sunday 30 Aug, 8AM (local time) - 7.5ft (2.3m), 19s period, WSW swell with cross-offshore winds.
  • Most powerful swell: Sunday 30 Aug, 8AM (local time) - 7.5ft (2.3m), 19s period, WSW swell with 3,730 kJ wave energy.
  • Next surfable swell (1★+): Saturday 29 Aug, 2PM (local time) - 4ft (1.2m), 19s period with WSW swell.

Best Forecast Surf Conditions for Trigg Beach this week:

The surf forecast for Trigg Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 29) at 2PM. The primary swell is predicted to be 1.2m and 19s period with a secondary swell of 1.0m and 11s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Trigg Beach in the next 16 days are 2.3m 19s and forecast to arrive on Sunday (Aug 30) 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 0.8m 4s period and expected on Saturday (Aug 29) at 8AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Sat 29th Aug)4ft (1.2m) 19s
Best Surf 8AM (Sun 30th Aug)7.5ft (2.3m) 19s
Most Powerful 8AM (Sun 30th Aug)7.5ft (2.3m) 19s

Table - best surf conditions forecast for Trigg Beach over the next 16 days.


The Lowdown

Alright, Rusty here. Let’s break down what’s cooking at Trigg Beach over the next couple of weeks.

We’ve got a slow start. The first real chance is Saturday morning, August 29th. The swell is a small 3ft from the WSW, but it’s got a super long period of 19 seconds. That’s a proper groundswell that’ll wrap in nicely. With a clean offshore east wind at 16 mph, the surface will be glassy. Water temp is about 65°, which is pretty average for this time of year. Wave energy is moderate (819). It’s a bit marginal, but it’s a start.

The action picks up that same Saturday afternoon. The swell jumps to 6ft from the WSW, still with that excellent 19-second period, and the wind shifts to a clean ESE offshore at 12 mph. The wave energy is now strong (1947). This is powerful, well-ordered surf for experienced surfers.

Sunday, August 30th, is the real standout. The morning is mint. We’ve got 8ft of WSW swell at 18 seconds, with a light 6 mph NE cross-offshore breeze. The surface will be clean, the energy is strong (3237). That’s the one to aim for. The afternoon sees the wind turn light cross-onshore, so it’ll get a little bumpy, but the size holds.

From Monday the 31st through the end of the first week, onshore westerlies and messy conditions move in. The swell stays a decent 7ft to 7ft, but it’s onshore junk. Not worth a paddle.

The second week has a couple of highlights. On Sunday, September 6th, the morning looks promising with a clean 10ft WSW groundswell at 14 seconds and a light cross-offshore SSE breeze at 6 mph. That’s solid energy (2948) but will be too big for beginners. Then Monday, September 7th morning, we get a glassy 7ft SW swell at 16 seconds with a 3 mph SE breeze. Clean as a whistle.

Late in the window, around the 12th and 13th, we’re looking at massive swell—up to 13ft from the WSW. The wave energy readings are huge, but the wind is predicted to be onshore or cross-onshore. That size is too big for this break and will be all crumble and chop. Kite surfers might like the wind and size, but for us on a board, it’s a day to sleep in.

The best bet: Sunday morning, August 30th, for the cleanest, most powerful surf. Saturday afternoon is a solid second. The Sunday and Monday mornings of the second week (Sept 6th and 7th) are worth keeping an eye on, but don’t book your flights yet. If the first week lightens up, it’s not unusual for this area and forecasts can change.

This is Rusty, signing off.

Short Range Forecast

Some drizzle, heaviest during Mon night. Warm (max 23°C on Sun afternoon, min 12°C on Mon night). Winds increasing (calm on Sun night, fresh winds from the S by Mon night).

Days 4-6 Weather Summary

Light rain (total 7mm), mostly falling on Thu night. Very mild (max 17°C on Thu afternoon, min 12°C on Tue morning). Winds increasing (calm on Wed morning, strong winds from the SSW by Thu night).

Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
4
4
4
3
3
1
0
2
3
2
3
3
2
4
0
0
0
1
1
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
WSW
19
1.7
WSW
19
2
WSW
17
2.3
WSW
18
2.3
WSW
17
2.1
WSW
16
2.1
WSW
17
2
WSW
17
2
WSW
16
2.1
WSW
16
2
WSW
15
1.9
WSW
14
2.1
WSW
14
2.1
WSW
13
2.1
WSW
13
2.2
WSW
14
2.1
WSW
14
2.5
WSW
14
2.5
SW
14
2.4
WSW
13
2.1
WSW
14
Wave Graph
Metric surfscale
Energy kJ
590
1940
2378
3237
3022
2128
2564
2225
1923
2200
1835
1484
1606
1471
1471
1906
1772
2194
2233
2003
1662
Wind (km/h)
25
E
20
ESE
20
E
10
NE
5
SSW
5
SSW
20
W
20
W
20
S
15
S
20
SSW
5
S
10
SW
15
WSW
5
NW
25
W
25
W
40
W
35
SSW
25
SSW
10
NE
Wind State
off
off
off
cross-off
cross-on
cross
on
on
cross
cross
cross
cross
cross-on
on
glassy
on
on
on
cross
cross
cross-off
High Tide
9:49AM0.55m
11:01PM0.42m
10:16AM0.48m
11:10PM0.48m
10:39AM0.40m
11:26PM0.53m
10:42AM0.32m
11:50PM0.58m
9:42AM0.25m
00:24AM0.61m
1:18AM0.62m
3:14AM0.63m
Low Tide
4:43PM0.18m
4:20AM0.26m
4:47PM0.21m
5:18AM0.25m
4:46PM0.23m
6:24AM0.25m
4:32PM0.23m
8:03AM0.25m
3:01PM0.21m
1:55PM0.13m
2:13PM0.07m
part cloud
clear
clear
clear
clear
clear
part cloud
clear
rain showers
clear
clear
part cloud
part cloud
part cloud
rain showers
part cloud
rain showers
rain showers
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:37
6:35
6:33
6:33
6:31
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:58
5:58
5:59
6:00
6:00
6:00
6:00
 mm
1
1
2
4
Temp °C
17
19
17
20
23
21
17
18
18
15
15
14
14
15
16
16
17
17
14
13
12
Feels °C
12
16
14
20
23
20
17
15
15
11
10
10
12
11
14
14
12
11
7
6
7
  • 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 Trigg Beach Surf forecast

The above surf forecast table for Trigg Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Trigg Beach can be found by selecting the local surf guide option on the grey menu. Our Trigg Beach 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 (Trigg Beach) 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 Trigg Beach 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 Perth City Coast? If you are looking for accommodation near Trigg Beach, camping, hotels and holiday cottages in Perth City Coast, consider staying in Perth which is 14 km (9 miles) away. Other places in and around Perth City Coast where you can find information about places to rent, and car hire include Fremantle which is 21 km (13 miles) away, Canning Vale, Gosnells and Kwinana.

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