Surf Forecasts:
City Beach groyne surf forecast from 10 Sep 2026:
- Best quality surf: Monday 14 Sep, 2AM (local time) - 7ft (2.2m), 15s period, WSW swell with cross-offshore winds.
- Most powerful swell: Saturday 12 Sep, 8AM (local time) - 8ft (2.4m), 16s period, W swell with 3,010 kJ wave energy.
- Next surfable swell (1★+): Thursday 10 Sep, 8PM (local time) - 4.5ft (1.3m), 14s 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 Thursday (Sep 10) at 8PM. The primary swell is predicted to be 1.3m and 14s period with a secondary swell of 0.4m and 22s. 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 2.4m 16s and forecast to arrive on Saturday (Sep 12) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Friday (Sep 11) at 8AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Thu 10th Sep) | 4.5ft (1.3m) 14s |
| Best Surf | 2AM (Mon 14th Sep) | 7ft (2.2m) 15s |
| Most Powerful | 8AM (Sat 12th Sep) | 8ft (2.4m) 16s |
Table - best surf conditions forecast for City Beach groyne over the next 16 days.
The Lowdown
G’day, Rusty here. Let’s check what City Beach groyne (City-Beach-groyne) is cooking up for the next couple weeks.
We’re starting off a bit slow. The first few days are pretty meh – some small, long-period groundswell rolling in, but the wind and quality are holding it back. Thursday morning the 10th has a 5ft swell from the WSW with a long 15-second period, but that cross-off wind from the ENE at 16 mph keeps it from being proper. Wave energy is moderate (920). Water temp is 64°, about normal for this time of year.
Friday morning the 11th is much the same – 4ft at 14 seconds, cross-off wind, energy up a notch (1295) – still just marginal. Then Monday the 14th morning is the first real standout. We get a 7ft swell from the WSW, 14-second period, light cross-off breeze from the ENE at only 6 mph, and strong wave energy (1831). That’s excellent surf for experienced surfers. Clean, solid, and that light wind will make the groyne line up nicely. At that size, it’s not for beginners, and with crowds listed as “often”, expect a few other keen souls.
Tuesday the 15th morning is okay – 7ft, cross-shore with a slight air – but not as clean. Then the wind turns messy with a lot of cross-on and onshore conditions through the end of the week. Friday the 18th gets ugly with a fresh breeze and a blown-out 10ft swell – way too big and rough for this spot.
Then we get another absolute gem on Sunday the 20th morning. Glassy – no wind at all, 7ft from the WSW with 14-second period and strong energy (2278). That is a magic window for experienced surfers – the pick of the whole forecast. Monday the 21st morning also looks excellent – 7ft, clean, light cross-off breeze. After that, the second week gets rough again. Winds pick up, and by Wednesday the 23rd and Thursday the 24th it’s poor, with onshore gales, t-storms, or rain. Not worth paddling out.
So, your two best bets: Monday the 14th morning and Sunday the 20th morning. The Monday one is a safer bet being closer in, but that Sunday glassy forecast is something special. The rest is either too small, too windy, or just sloppy. Pick your windows, and don’t force it.
Stay keen, watch the wind, and I’ll see you in the water.
Rusty
Short Range ForecastLight rain (total 2mm), mostly falling on Fri night. Warm (max 21°C on Thu night, min 12°C on Thu morning). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 21°C on Tue night, min 14°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||
AM | 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 15 | WSW 14 | WSW 16 | WSW 14 | WSW 19 | WSW 17 | WSW 16 | WSW 16 | WSW 14 | WSW 14 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 16 | WSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 811 | 697 | 796 | 651 | 970 | 2357 | 1557 | 1055 | 763 | 975 | 2054 | 2111 | 1831 | 1978 | 2033 | 1728 | 1475 | 1195 | 928 | 1261 | 970 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | on | cross-on | on | on | on | on | on | cross-off | cross-off | cross | cross-off | cross | cross | off | cross-on | cross-on | cross |
High Tide | 8:58AM0.60m | 10:19PM0.37m | 9:39AM0.53m | 10:20PM0.43m | 10:15AM0.45m | 10:28PM0.50m | 10:42AM0.37m | 10:38PM0.55m | 10:39AM0.30m | 10:50PM0.59m | 9:10AM0.26m | 11:04PM0.61m | 11:24PM0.61m | ||||||||
Low Tide | 4:31PM0.17m | 2:58AM0.27m | 4:16PM0.22m | 3:56AM0.25m | 3:53PM0.25m | 4:48AM0.23m | 3:38PM0.25m | 5:37AM0.23m | 3:28PM0.24m | 6:30AM0.24m | 3:10PM0.21m | 2:13PM0.18m | |||||||||
 | |  | | |  |  | | |  | |  | | | | | | | | | | |
 | 6:22 | — | — | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — | 6:18 | — | — | 6:16 | — | — | 6:15 | — | — |
 | — | 6:05 | — | — | 6:06 | — | — | 6:06 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:08 | — |
mm | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 20 | 21 | 19 | 21 | 19 | 17 | 17 | 16 | 17 | 17 | 17 | 18 | 20 | 17 | 20 | 20 | 21 | 22 | 21 | 18 |
Feels °C | 10 | 16 | 18 | 15 | 18 | 18 | 12 | 12 | 13 | 14 | 14 | 15 | 16 | 18 | 14 | 19 | 17 | 22 | 21 | 20 | 18 |
Swell 1 Height (m) Direction Period (s) | WSW 15 | WSW 14 | WSW 16 | WSW 14 | WSW 14 | WSW 17 | WSW 16 | W 8 | WSW 10 | WSW 14 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 16 | WSW 15 |
| kJ | 811 | 697 | 796 | 651 | 694 | 2357 | 1557 | 450 | 634 | 975 | 2054 | 2111 | 1831 | 1978 | 2033 | 1728 | 1475 | 1195 | 928 | 1261 | 970 |
Swell 2 Height (m) Direction Period (s) | WSW 24 | WSW 24 | WSW 22 | WSW 19 | WSW 19 | — | — | WSW 16 | WSW 14 | WSW 9 | — | — | — | — | — | — | — | SW 5 | — | — | — |
| kJ | 109 | 109 | 181 | 644 | 970 | — | — | 1055 | 763 | 283 | — | — | — | — | — | — | — | 11 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 4 | — | NE 3 | NNE 4 | — | NW 4 | W 7 | — | — | — | — | — | — | — | — | — | S 4 | — | — | — | — |
| kJ | 10 | — | 9 | 11 | — | 32 | 271 | — | — | — | — | — | — | — | — | — | 9 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 16 | 4 | 16 | 23 | 23 | 328 | 909 | 370 | 297 | 370 | 403 | 0 | 0 | 189 | 0 | 10 | 151 | 0 | 23 | 29 | 5 |
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.
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