Surf Forecasts:
Cozies and Geeries surf forecast from 11 Aug 2026:
- Best quality surf: Monday 17 Aug, 11PM (local time) - 10ft (3.0m), 17s period, W swell with offshore winds.
- Most powerful swell: Monday 17 Aug, 8PM (local time) - 11ft (3.5m), 17s period, WSW swell with 6,080 kJ wave energy.
- Next surfable swell (1★+): Wednesday 12 Aug, 2AM (local time) - 8ft (2.5m), 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 Wednesday (Aug 12) at 2AM. The primary swell is predicted to be 2.5m and 16s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Cozies and Geeries in the next 16 days are 3.5m 17s and forecast to arrive on Monday (Aug 17) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Wed 12th Aug) | 8ft (2.5m) 16s |
| Best Surf | 11PM (Mon 17th Aug) | 10ft (3.0m) 17s |
| Most Powerful | 8PM (Mon 17th Aug) | 11ft (3.5m) 17s |
Table - best surf conditions forecast for Cozies and Geeries over the next 16 days.
The Lowdown
G’day, Rusty here. We’ve got a solid run of groundswell on the way for Cozies and Geeries, but you’ll want to pick your windows carefully—this one’s for the experienced crew, not the groms.
The main action kicks off Wednesday the 12th with a clean 8ft West-South-West swell rolling in, but the morning’s a bit messy with a light cross-on from the north. The afternoon cleans right up though—cross-off wind from the south-south-west, and the wave energy is decent at 2009 (moderate). Thursday the 13th is the real standout. Morning is pure glass—ENE breeze at 3 mph, 7ft WSW swell, and a very long 17-second period. That’s proper groundswell energy, 2862 in the bin (moderate-strong), and it’s going to be clean as a whistle. This is your best bet for the whole outlook. The point and reef setup here will love that long period, giving you well-shaped, powerful lines. Crowds are possible, so get in early. The water temperature is about average for this time of year, so no surprises there.
Friday the 14th keeps the quality high with another day of clean conditions—7ft to 7ft WSW swell, consistent cross-off wind, and periods around 16 seconds. Not quite the glass of Thursday, but still very good. Saturday the 15th drops off a bit—6ft but the wind turns cross-on and choppy, so it’s more of a rest day. Sunday the 16th is messy with cross-shore wind and a 7ft WSW swell that’s a bit lumpy.
Then Monday the 17th gets wild. The morning is a write-off with 22 mph wind and rain, but the afternoon brings a punchy 10ft West swell with 17-second period and a clean cross-off breeze. That’s a big one—energy reading 5783 (strong)—but it’s only for experts. Tuesday the 18th still has 10ft West swell, but the wind is cross or onshore, so it’s not as clean. From Wednesday the 19th through Friday the 21st, it’s mostly blown out with strong winds and rain—13ft West swell on the 19th with 25 mph onshore, just messy. Saturday the 22nd shows a bit of promise with an 12ft WSW swell and 19-second period, moderate cross-shore wind, but it’s still a challenge.
The tail end of the outlook has a couple of nice windows. Monday the 24th brings a clean offshore from the SE, 6ft WSW swell, and clean conditions—good for a more relaxed session. Then Wednesday the 26th morning is another gem: glassy ENE wind, 8ft West swell, 12-second period, and gentle offshore. That’s a solid, clean wave for experienced surfers. And Thursday the 27th morning repeats the glassy magic with 8ft WSW swell.
Overall, Thursday the 13th is the clear standout—glassy, long-period groundswell, and clean. Keep an eye on Monday the 17th afternoon and Wednesday the 26th morning as well. There’s a gap of a few days in the middle where it’s too windy or messy, but the good windows are worth chasing.
Rusty
Short Range ForecastMostly dry. Very mild (max 17°C on Fri afternoon, min 11°C on Wed morning). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Mon morning. Warm (max 22°C on Sun afternoon, min 14°C on Fri night). Winds increasing (light winds from the WSW on Sat afternoon, fresh winds from the SW by Mon morning). | ||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||||
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 15 | WSW 15 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 13 | W 15 | WSW 14 | WSW 15 | W 19 | W 17 | W 17 |
Wave Graph  | |||||||||||||||||||
 kJ | 3309 | 2212 | 1966 | 2074 | 2862 | 2929 | 2631 | 2198 | 1956 | 1505 | 1127 | 1019 | 960 | 1835 | 1895 | 1346 | 2822 | 5783 | 5180 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross | cross-off | cross | cross | on | cross | cross-off | cross-off |
High Tide | 9:12AM0.74m | 9:53AM0.69m | 00:25AM0.29m | 10:28AM0.60m | 00:13AM0.35m | 10:50AM0.51m | 00:16AM0.41m | 10:37AM0.42m | 00:26AM0.47m | 9:41AM0.36m | 00:40AM0.52m | ||||||||
Low Tide | 5:55PM0.03m | 6:07PM0.11m | 2:41AM0.28m | 5:56PM0.18m | 4:03AM0.29m | 5:31PM0.22m | 5:11AM0.30m | 5:13PM0.23m | 6:17AM0.32m | 5:00PM0.21m | |||||||||
 |  | | | | | | | | | | | | |  |  |  | | | |
 | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — |
 | 5:45 | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — | 5:49 | — | — | 5:49 | — | — | 5:50 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — |
Temp °C | 15 | 13 | 14 | 14 | 12 | 14 | 14 | 14 | 17 | 17 | 16 | 18 | 18 | 18 | 22 | 21 | 17 | 17 | 15 |
Feels °C | 11 | 12 | 13 | 12 | 11 | 11 | 10 | 12 | 15 | 14 | 13 | 15 | 16 | 13 | 18 | 17 | 11 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 13 | W 15 | WSW 14 | WSW 15 | W 19 | — | W 17 |
| kJ | 3309 | 2212 | 1966 | 2074 | 2862 | 2929 | 2631 | 2198 | 1956 | 1505 | 1127 | 1019 | 960 | 1835 | 1895 | 1346 | 2822 | — | 5180 |
Swell 2 Height (m) Direction Period (s) | — | — | W 24 | — | — | — | — | — | — | — | — | NNW 4 | — | — | W 20 | W 19 | — | — | — |
| kJ | — | — | 43 | — | — | — | — | — | — | — | — | 3 | — | — | 194 | 1070 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | N 4 | — | — | — | N 4 | NNE 4 | NW 5 | W 17 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 6 | — | — | — | 5 | 16 | 91 | 5783 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 81 | 0 | 62 | 14 | 201 | 363 | 122 | 0 |
Best forecast wave conditions in Perth City Coast | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
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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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