Surf Forecasts:
City Beach groyne surf forecast from 14 Aug 2026:
- Best quality surf: Tuesday 18 Aug, 5AM (local time) - 11ft (3.5m), 15s period, WSW swell with cross-onshore winds.
- Most powerful swell: Monday 17 Aug, 8PM (local time) - 11ft (3.5m), 16s period, WSW swell with 6,347 kJ wave energy.
- Next surfable swell (1★+): Friday 14 Aug, 11PM (local time) - 6ft (1.8m), 15s period with WSW swell.
Best Forecast Surf Conditions for City Beach groyne this week:
The surf forecast for City Beach groyne over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 14) at 11PM. The primary swell is predicted to be 1.8m and 15s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at City Beach groyne in the next 16 days are 3.5m 16s and forecast to arrive on Monday (Aug 17) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Sunday (Aug 16) at 11AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Fri 14th Aug) | 6ft (1.8m) 15s |
| Best Surf | 5AM (Tue 18th Aug) | 11ft (3.5m) 15s |
| Most Powerful | 8PM (Mon 17th Aug) | 11ft (3.5m) 16s |
Table - best surf conditions forecast for City Beach groyne over the next 16 days.
The Lowdown
Alright, cobber, Rusty here. Let’s have a look at the next couple of weeks. It’s a bit of a mixed bag, but there are definitely some windows where you’ll want to be in the water.
The big story is a run of solid, long-period WSW groundswell. We’ve got plenty of energy, but it’s not always going to be clean. That 16-second period stuff is proper groundswell, so it’ll have push behind it, but at a beach/groyne setup it can get a bit straight and unorganized. The water is also running much colder than normal for this time of year, so a quality 4/3 or even a 5/4 is going to be your friend. No mucking around with a spring suit.
Right off the bat, Friday the 14th afternoon is looking like a treat. City Beach groyne (Perth) will be seeing 6ft of WSW swell with a 16-second period, and it’s glassy with a light SE breeze. The combined energy is strong at 1743. This is a standout for sure, but the size and power are definitely for the more experienced crew. Beginners should give this one a miss.
The weekend is a bit of a letdown, to be honest. Saturday has the swell, but the wind swings around and mucks it up. Sunday morning is clean-ish with a cross-off breeze, but the onshores get in during the afternoon and chop it all up. Not the greatest.
Monday the 17th is a write-off. Strong winds, rain, and building surf. Don’t even bother looking.
Tuesday the 18th is where it gets big. The swell jumps to 12ft, but it’s just too much muscle for City Beach groyne. The energy readings are off the charts (6048-6081), but it’s a close-out. Unless you’re a gunslinger, sit this one out. This is only for experts, and even then, it’s going to be a battle.
We get a bit of a lull on Wednesday, but the wind is on it, so it’s still ugly. Then we have another standout on Thursday morning, the 20th. It’s back to 10ft of WSW swell, but the wind is glassy again with a light NE breeze. The energy is strong at 3847. It’s another powerful one, so again, for the experienced surfers, this is going to be a great session. But it’s a Tuesday morning, so you might have it to yourself if you can sneak out.
The following week starts to settle down. Friday the 21st has some clean morning waves in the 6ft range, and then we are looking at a nice run with Saturday the 22nd afternoon. That’s when you see 6ft of swell, a 17-second period, and a gentle offshore E wind. That’s perfect for the groyne, and the energy at 2051 is decent. This is looking like the pick of the second week.
After that, there are a few more days of chopped-up conditions and onshores. It’s not until the 26th that we get another window, with a much smaller, cleaner 8ft swell and an offshore E wind on Wednesday morning. Then the 28th has a couple of cleaner windows in the morning, but the big standout is the afternoon of the 28th. It’s an 8ft swell with a super long 19-second period. That’s a big, powerful, clean groundswell, but with that period it’s going to be fast and hollow. The energy is huge at 4578. That could be one for the experts to really get excited about, but it’s over a week away, so keep your fingers crossed the wind holds. The 29th is bigger again, but the southerly wind will chop it up.
So, my call: The standout sessions are this Friday the 14th morning, and next Thursday the 20th morning, if you’re experienced. For everyone else, look towards Saturday the 22nd afternoon or Wednesday the 26th morning for the cleaner, more manageable waves. The long-range stuff on the 28th looks promising, but we'll see.
The stretch between the 17th and 19th is a real write-off, and it gets onshore again later in the first week. But it won’t stay flat for long with all this energy moving through.
Rusty, out.
Short Range ForecastMostly dry. Warm (max 21°C on Sun afternoon, min 13°C on Fri night). Winds increasing (calm on Fri afternoon, fresh winds from the NW by Mon morning). | Days 5-7 Weather SummaryLight rain (total 6mm), mostly falling on Mon afternoon. Very mild (max 17°C on Wed afternoon, min 14°C on Mon night). Winds decreasing (strong winds from the WSW on Mon afternoon, calm by Wed night). | |||||||||||||||||||
Fri 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | ||||||||||||||||||||
Wave Height (m) Direction Period (s) | WSW 16 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 15 | WSW 14 | WSW 15 | WSW 16 | WSW 16 | WSW 15 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 16 | WSW 16 | WSW 15 |
Wave Graph | ||||||||||||||||||||
1743 | 1319 | 1099 | 975 | 793 | 1511 | 1496 | 1833 | 2058 | 4972 | 3429 | 6048 | 6081 | 4098 | 2233 | 2581 | 3901 | 3847 | 2948 | 1776 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | on | cross-off | cross-off | cross-off | cross-off | cross-on | on | cross-on | on | on | on | on | on | off | glassy | cross | cross-off |
High Tide | 00:02AM0.36m | 10:45AM0.50m | 00:07AM0.42m | 10:37AM0.41m | 00:19AM0.48m | 9:30AM0.35m | 00:36AM0.52m | 8:35AM0.33m | 1:01AM0.55m | 1:44AM0.56m | 3:25AM0.56m | |||||||||
Low Tide | 5:45PM0.18m | 3:59AM0.29m | 5:19PM0.22m | 5:06AM0.30m | 5:00PM0.23m | 6:12AM0.31m | 4:49PM0.21m | 7:36AM0.33m | 4:33PM0.19m | 3:39PM0.16m | 3:20PM0.13m | |||||||||
— | — | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — | |
5:47 | — | — | 5:49 | — | — | 5:50 | — | — | 5:50 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | |
mm | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | 3 | — | — | — |
Temp °C | 20 | 18 | 17 | 20 | 19 | 20 | 21 | 20 | 19 | 16 | 16 | 14 | 15 | 16 | 16 | 17 | 16 | 16 | 17 | 17 |
Feels °C | 17 | 15 | 13 | 17 | 17 | 14 | 15 | 17 | 14 | 10 | 7 | 11 | 10 | 11 | 12 | 14 | 14 | 15 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 16 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 15 | WSW 14 | WSW 15 | WSW 16 | — | WSW 15 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 16 | WSW 16 | WSW 15 |
1743 | 1319 | 1099 | 975 | 793 | 1511 | 1496 | 1833 | 2058 | — | 3429 | 6048 | 6081 | 4098 | 2233 | 2581 | 3901 | 3847 | 2948 | 1776 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | W 20 | — | — | — | WSW 9 | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | 196 | — | — | — | 741 | — | — | — | — | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | ENE 3 | NNE 3 | — | — | NNE 4 | N 5 | N 4 | NW 4 | WSW 16 | — | — | — | — | — | — | — | — | — | — |
— | 7 | 5 | — | — | 29 | 28 | 9 | 26 | 4972 | — | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 16 | 23 | 36 | 0 | 332 | 16 | 120 | 1623 | 608 | 370 | 308 | 355 | 308 | 117 | 151 | 0 | 0 | 29 | 0 |
Best forecast wave conditions in Perth City Coast | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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Information about the City Beach groyne Surf forecast
The above surf forecast table for City Beach groyne provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at City Beach groyne can be found by selecting the local surf guide option on the grey menu. Our City Beach groyne 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 (City Beach groyne) 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 City Beach groyne 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.











