Surf Forecasts:
Cozies and Geeries surf forecast from 20 Aug 2026:
- Best quality surf: Wednesday 26 Aug, 2PM (local time) - 11ft (3.5m), 19s period, W swell with offshore winds.
- Most powerful swell: Wednesday 26 Aug, 11AM (local time) - 11ft (3.5m), 19s period, W swell with 9,548 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 2AM (local time) - 8ft (2.4m), 16s period with WSW swell.
Best Forecast Surf Conditions for Cozies and Geeries this week:
The surf forecast for Cozies and Geeries over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 21) at 2AM. The primary swell is predicted to be 2.4m and 16s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Cozies and Geeries in the next 16 days are 3.5m 19s and forecast to arrive on Wednesday (Aug 26) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Saturday (Aug 22) at 8PM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Fri 21st Aug) | 8ft (2.4m) 16s |
| Best Surf | 2PM (Wed 26th Aug) | 11ft (3.5m) 19s |
| Most Powerful | 11AM (Wed 26th Aug) | 11ft (3.5m) 19s |
Table - best surf conditions forecast for Cozies and Geeries over the next 16 days.
The Lowdown
Alright, grab your board and listen up. This is Rusty, and I’m looking at the stretch ahead for us.
Right out of the gate, we’ve got a solid pulse of groundswell hitting us. The water temp is sitting right around average for the time of year, so nothing wild there. The first real standout is Friday morning, August 21st, at Cozies and Geeries. A clean 7 ft swell from the WSW, with a long 15-second period, and a light 3 mph easterly breeze keeping it cross-off. The energy is pumping hard at 2065, making for some excellent, powerful lines for experienced surfers. Saturday morning, August 22nd, is the other absolute gem – a glassy 7 ft swell from the WSW with a 16-second period and zero wind. It’s a dream setup, with energy at 2068. This is the pick of the week for a proper session.
After that, the wind starts to bite. Saturday afternoon and Sunday see a building south wind, which brings in choppier conditions. The swell drops a bit, but the energy is still moderate. Monday and Tuesday are average, with the wind turning cross to cross-on, making things less clean. Wednesday the 26th is a big one – a serious 12 ft swell from the west, but with heavy rain and a strong 12 mph wind, it’s a rough day. The energy is massive at 9548, but this is strictly for experts in a survival zone.
There’s a bit of a lull from Thursday the 27th through the end of the month. The wind is mostly cross-off but pretty strong, holding the surf in the 8 ft to 4 ft range. The conditions are tricky, and the energy drops. Then we hit a real gap – from August 30th through to the start of September, the wind is onshore and strong, the waves are messy, and the ratings are poor. It’s a rough patch for a few days.
Then, the outlook gets promising again. The 3rd of September, Thursday morning, looks exceptional. We’re looking at a 10 ft groundswell from the WSW, with a long 17-second period and a light 6 mph southerly breeze keeping it clean. The energy is a massive 5473. This is a big, powerful, clean swell for experts. And then on the 5th of September, Saturday morning, we get another cracker: a 10 ft swell from the WSW, again with a long 18-second period, and glassy conditions with a light northeasterly breeze. The energy is 5146. That’s a long-range standout, so keep an eye on it, but it’s a very promising sign to end the outlook.
Stay frothy.
Rusty
Short Range ForecastMostly dry. Very mild (max 17°C on Thu night, min 12°C on Sun morning). Mainly fresh winds. | Days 5-7 Weather SummaryModerate rain (total 15mm), heaviest on Wed morning. Very mild (max 16°C on Tue afternoon, min 10°C on Sun night). Winds increasing (calm on Mon night, fresh winds from the SSW by Wed afternoon). | ||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||
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 15 | WSW 14 | WSW 15 | WSW 16 | WSW 16 | WSW 14 | WSW 14 | WSW 13 | WSW 16 | WSW 14 | WSW 13 | WSW 12 | WSW 12 | WSW 16 | WSW 15 | W 19 | WSW 18 | WSW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 2723 | 2021 | 2020 | 1714 | 2068 | 1341 | 742 | 615 | 1134 | 2948 | 1748 | 1110 | 666 | 452 | 1261 | 2133 | 9548 | 7829 | 6292 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | off | glassy | cross-off | cross-off | cross-off | cross-off | off | cross | cross | cross | cross-on | on | on | cross-off | cross-off | cross-off |
High Tide | 3:48AM0.56m | 5:16AM0.58m | 6:20AM0.60m | 7:09AM0.62m | 7:49AM0.64m | 8:24AM0.65m | 11:27PM0.30m | ||||||||||||
Low Tide | 3:41PM0.10m | 3:57PM0.08m | 4:13PM0.07m | 4:27PM0.07m | 4:36PM0.08m | 4:41PM0.09m | 00:59AM0.30m | ||||||||||||
 |  | | |  |  |  | | | | | | | | | |  |  |  | |
 | — | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:43 | — | — |
 | 5:52 | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:53 | — | — | 5:54 | — | — | 5:55 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 13 | 2 | 2 |
Temp °C | 17 | 15 | 17 | 17 | 15 | 16 | 16 | 15 | 16 | 15 | 13 | 14 | 14 | 15 | 16 | 16 | 15 | 15 | 13 |
Feels °C | 15 | 14 | 15 | 13 | 13 | 12 | 10 | 11 | 11 | 10 | 11 | 12 | 13 | 11 | 13 | 13 | 11 | 12 | 7 |
Swell 1 Height (m) Direction Period (s) | WSW 16 | WSW 15 | WSW 14 | WSW 15 | WSW 16 | WSW 16 | WSW 14 | WSW 14 | WSW 13 | WSW 16 | WSW 14 | WSW 13 | WSW 12 | WSW 12 | WSW 16 | WSW 15 | W 19 | WSW 18 | WSW 16 |
| kJ | 2723 | 2021 | 2020 | 1714 | 2068 | 1341 | 742 | 615 | 1134 | 2948 | 1748 | 1110 | 666 | 452 | 1261 | 2133 | 9548 | 7829 | 6292 |
Swell 2 Height (m) Direction Period (s) | — | W 24 | WSW 22 | WSW 19 | — | — | W 20 | W 18 | W 17 | — | — | — | — | W 17 | — | W 22 | — | — | — |
| kJ | — | 44 | 93 | 772 | — | — | 30 | 232 | 487 | — | — | — | — | 146 | — | 82 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSW 4 | SSW 5 | SSW 6 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 29 | 99 | 47 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 65 | 0 | 0 | 402 | 81 | 81 | 1627 | 0 | 3 | 291 | 14 | 62 | 314 | 157 | 82 | 81 | 81 |
Best forecast wave conditions in Perth City Coast | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Information about the Cozies and Geeries Surf forecast
The above surf forecast table for Cozies and Geeries provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cozies and Geeries can be found by selecting the local surf guide option on the grey menu. Our Cozies and Geeries 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 (Cozies and Geeries) 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 Cozies and Geeries 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.
Cozies and Geeries is 8 km (5 miles) from Mandurah. If you plan a holiday in Perth City Coast, look for hotels and other accommodation in Mandurah. Mandurah has rooms for a wide range of budgets as well as car hire and transport links.
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