Surf Forecasts:
Coronation Beach surf forecast from 18 Aug 2026:
- Best quality surf: Tuesday 18 Aug, 11PM (local time) - 10ft (3.0m), 16s period, WSW swell with glassy winds.
- Most powerful swell: Tuesday 18 Aug, 5PM (local time) - 10ft (3.0m), 16s period, WSW swell with 5,238 kJ wave energy.
- Next surfable swell (1★+): Tuesday 18 Aug, 11PM (local time) - 10ft (3.0m), 16s period with WSW swell.
Best Forecast Surf Conditions for Coronation Beach this week:
The surf forecast for Coronation Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 18) at 11PM. The primary swell is predicted to be 3.0m and 16s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Coronation Beach in the next 16 days are 3.0m 16s and forecast to arrive on Tuesday (Aug 18) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Thursday (Aug 20) at 11PM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Tue 18th Aug) | 10ft (3.0m) 16s |
| Best Surf | 11PM (Tue 18th Aug) | 10ft (3.0m) 16s |
| Most Powerful | 5PM (Tue 18th Aug) | 10ft (3.0m) 16s |
Table - best surf conditions forecast for Coronation Beach over the next 16 days.
The Lowdown
G’day, Rusty here, and I’ve got a pretty solid run of surf coming up for Coronation Beach over the next couple of weeks. This is a beach and reef setup, exposed to the southwest, and it’s consistent, so there’s plenty to get excited about. The water temp is sitting at 67°F, which is about average for this time of year, so no surprises there.
The real standout in this forecast is Tuesday morning, the 18th of August. We’re looking at a chunky 12ft swell from the southwest with a very long period of 17 seconds – that’s proper groundswell, packing a massive amount of energy (6187). The wind is light offshore from the east-northeast at 3 mph, so it’s going to be glassy clean. This is exceptional surf, but at 12ft, it’s definitely only for the experienced crew. The long period means those sets will have some serious power, and with the reef in the mix, expect some nice, drawn-out lines. The crowd situation is “sometimes,” so you might have a few others out, but that’s no surprise for a wave this good.
Wednesday morning the 19th is also a good call. The swell drops to a still-strong 8ft from the southwest, period 15 seconds, and the wind is light cross-off from the southeast at 3 mph. That’s clean surf, with good energy (2465). It’s a step down in size from Tuesday, making it more accessible for experienced surfers, but still a solid option.
Thursday morning the 20th is another chance to get a wave. The swell is back up to 10ft from the southwest, period 16 seconds, with a clean cross-off wind from the east-southeast at 9 mph. The energy is high (3929), but at 10ft, it’s again in the expert-only zone.
After that, the surf hangs around but the quality drops off. Friday morning the 21st has 8ft clean surf, but by Saturday the 22nd the wind swings onshore, and Sunday the 23rd is messy with cross-shore winds and smaller waves around 5ft to 5ft.
There’s a bit of a lull from the 25th to the 27th, with poor conditions and smaller swell, but things pick up again on Monday the 24th with a clean 6ft set from the southwest. That’s a good one for the experienced lot, with a light cross-off breeze.
Looking further out, the last week of August and into September has some promising signs. Monday the 31st of August has a clean 8ft from the west-southwest, period 16 seconds, with a light cross-off wind. The energy is moderate (2731), and it’s worth keeping an eye on. Tuesday the 1st of September sees a 10ft swell in the afternoon, but the wind is cross-shore, so it might be a bit lumpy.
Overall, the top pick is Tuesday morning, 18th August, for the big, clean, powerful groundswell. If that’s too heavy, Wednesday morning the 19th is a solid second choice.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Thu afternoon, min 12°C on Tue morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Sat night. Warm (max 22°C on Fri afternoon, min 13°C on Sun night). Winds increasing (light winds from the ESE on Fri night, fresh winds from the S by Sat night). | ||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||
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) | SW 17 | WSW 16 | WSW 16 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 16 | SW 16 | SW 14 | SW 14 | WSW 16 | SW 15 | SW 14 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 6187 | 5238 | 3738 | 2465 | 2293 | 3929 | 3929 | 3252 | 2513 | 2534 | 2199 | 1647 | 1255 | 2804 | 1384 | 810 | 957 | 700 | 1380 | 1079 | 651 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-on | cross-on | cross-off | cross | cross-off | cross-off | cross-off | off | cross-off | cross | off | on | cross-on | cross | cross | cross | cross-off | cross-off | cross-on | on |
High Tide | 9:04AM0.31m | 2:03AM0.61m | 2:41AM0.61m | 3:32AM0.61m | 4:34AM0.61m | 5:37AM0.61m | 6:36AM0.62m | ||||||||||||||
Low Tide | 8:15AM0.31m | 5:35PM0.21m | 5:33PM0.20m | 2:53PM0.18m | 3:13PM0.14m | 3:35PM0.12m | 3:57PM0.10m | 4:16PM0.09m | |||||||||||||
 | |  |  | | | | |  | | | | | |  | | | | | | | |
 | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — | — |
 | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:01 | — | — | 6:01 | — | — | 6:02 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — |
Temp °C | 16 | 17 | 16 | 17 | 17 | 16 | 19 | 20 | 17 | 21 | 22 | 18 | 20 | 20 | 18 | 18 | 19 | 17 | 17 | 17 | 16 |
Feels °C | 14 | 14 | 15 | 16 | 14 | 13 | 16 | 16 | 12 | 18 | 19 | 15 | 18 | 17 | 15 | 13 | 14 | 14 | 14 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 17 | WSW 16 | WSW 16 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | — | SW 16 | SW 14 | SW 14 | SW 13 | SW 15 | SW 14 | SW 13 |
| kJ | 6187 | 5238 | 3738 | 2465 | 2293 | 3929 | 3929 | 3252 | 2513 | 2534 | 2199 | 1647 | 1255 | — | 1384 | 810 | 957 | 690 | 1380 | 1079 | 651 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | WSW 24 | SW 19 | SW 18 | — | SW 22 | SW 20 | SW 18 | WSW 16 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 54 | 723 | 1099 | — | 19 | 186 | 460 | 700 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | S 5 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 47 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | S 5 | — | — | — | — | SW 16 | SSW 5 | SSW 5 | — | — | — | — | W 3 |
| kJ | — | — | — | — | — | — | — | — | 37 | — | — | — | — | 2804 | 53 | 27 | — | — | — | — | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 749 | 87 | 0 | 24 | 14 | 0 | 394 | 0 | 0 | 538 | 0 | 274 | 1809 | 538 | 394 | 562 | 0 | 0 | 24 | 16 |
Best forecast wave conditions in North West WA | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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Information about the Coronation Beach Surf forecast
The above surf forecast table for Coronation Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Coronation Beach can be found by selecting the local surf guide option on the grey menu. Our Coronation 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 (Coronation 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 Coronation 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 North West WA? If you are looking for accommodation near Coronation Beach, camping, hotels and holiday cottages in North West WA, consider staying in Geraldton which is 27 km (17 miles) away.
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