Surf Forecasts:
Coalcliff surf forecast from 15 Aug 2026:
- Best quality surf: Sunday 23 Aug, 1AM (local time) - 10ft (3.0m), 9s period, S swell with cross-offshore winds.
- Most powerful swell: Sunday 23 Aug, 4AM (local time) - 10ft (3.0m), 9s period, S swell with 1,528 kJ wave energy.
- Next surfable swell (1★+): Tuesday 18 Aug, 7AM (local time) - 3.5ft (1.0m), 6s period with ESE swell.
Best Forecast Surf Conditions for Coalcliff this week:
The surf forecast for Coalcliff over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 18) at 7AM. The primary swell is predicted to be 1.0m and 6s period with a secondary swell of 0.5m and 11s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Coalcliff in the next 16 days are 3.0m 9s and forecast to arrive on Sunday (Aug 23) at 4AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Thursday (Aug 20) at 10PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Tue 18th Aug) | 3.5ft (1.0m) 6s |
| Best Surf | 1AM (Sun 23rd Aug) | 10ft (3.0m) 9s |
| Most Powerful | 4AM (Sun 23rd Aug) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for Coalcliff over the next 16 days.
Short Range ForecastHeavy rain (total 25mm), heaviest during Mon night. Very mild (max 16°C on Tue afternoon, min 12°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 7mm), mostly falling on Fri morning. Warm (max 20°C on Thu morning, min 11°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | ||||||||||||||
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) | S 18 | ESE 6 | S 11 | S 10 | S 9 | ESE 7 | ESE 6 | ESE 6 | S 11 | ESE 7 | ESE 6 | ESE 6 | ESE 9 | ESE 6 | ESE 6 | ENE 6 | ENE 7 | ENE 6 | ENE 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 101 | 128 | 206 | 172 | 109 | 83 | 77 | 69 | 68 | 102 | 90 | 75 | 137 | 55 | 40 | 82 | 113 | 66 | 71 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | on | on | on | on | on | cross-on | glassy | on | glassy | cross-off | cross-off | off | off | cross-off | cross | glassy | off | cross-off |
High Tide | 10:15PM1.49m | 10:53AM1.33m | 10:58PM1.34m | 11:35AM1.32m | 11:41PM1.19m | 12:19PM1.30m | 00:27AM1.05m | 1:06PM1.26m | 1:22AM0.93m | 2:01PM1.23m | 2:33AM0.86m | 3:04PM1.22m | 3:57AM0.84m | ||||||
Low Tide | 4:40AM0.10m | 4:52PM0.29m | 5:15AM0.19m | 5:44PM0.35m | 5:49AM0.29m | 6:39PM0.42m | 6:26AM0.38m | 7:43PM0.48m | 7:08AM0.47m | 8:57PM0.51m | 8:03AM0.53m | 10:13PM0.49m | |||||||
 |  | |  |  |  |  | |  | | |  |  | | |  | | | | |
 | — | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — |
 | — | — | 5:24 | — | — | 5:25 | — | — | 5:27 | — | — | 5:28 | — | — | 5:28 | — | — | 5:29 | — |
mm | 4 | — | — | — | 1 | 4 | 12 | 4 | — | 3 | 1 | — | — | — | — | — | 2 | 1 | — |
Temp °C | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 15 | 16 | 14 | 16 | 17 | 13 | 20 | 18 | 16 | 14 | 16 | 13 |
Feels °C | 11 | 11 | 11 | 12 | 11 | 11 | 12 | 14 | 15 | 14 | 14 | 14 | 11 | 18 | 17 | 16 | 14 | 12 | 10 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 11 | ESE 7 | S 9 | ESE 7 | ESE 6 | S 11 | ESE 6 | ESE 7 | ESE 6 | ESE 6 | ESE 9 | ESE 6 | ESE 6 | ENE 6 | ENE 7 | S 11 | ENE 6 |
| kJ | 35 | 55 | 206 | 70 | 109 | 83 | 77 | 56 | 68 | 83 | 90 | 75 | 137 | 55 | 40 | 82 | 113 | 9 | 71 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 6 | SSE 7 | S 10 | ENE 10 | S 9 | S 8 | E 10 | S 11 | ESE 11 | ESE 10 | ESE 10 | S 7 | ESE 8 | E 10 | S 12 | S 11 | S 11 | S 10 |
| kJ | 96 | 27 | 35 | 172 | 10 | 74 | 35 | 7 | 55 | 102 | 80 | 52 | 9 | 14 | 8 | 3 | 3 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | ENE 10 | S 18 | S 18 | S 17 | ENE 10 | S 12 | S 12 | ESE 10 | ESE 13 | S 10 | S 9 | S 8 | E 11 | E 12 | — | — | — | SE 7 | SE 7 |
| kJ | 19 | 96 | 56 | 23 | 10 | 27 | 24 | 10 | 60 | 46 | 14 | 12 | 2 | 3 | — | — | — | 2 | 2 |
Wind waves Height (m) Direction Period (s) | S 6 | ESE 6 | ESE 6 | — | ESE 7 | — | — | ESE 6 | — | — | — | — | — | — | NE 4 | — | NW 3 | ENE 6 | NNW 3 |
| kJ | 101 | 128 | 66 | — | 83 | — | — | 69 | — | — | — | — | — | — | 10 | — | 3 | 66 | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 5 | 60 | 23 | 17 | 51 | 24 | 62 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 0 | 0 | 0 |
Best forecast wave conditions in Illawarra | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
Header Global | |||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Coalcliff surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Coalcliff Surf forecast
The above surf forecast table for Coalcliff provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Coalcliff can be found by selecting the local surf guide option on the grey menu. Our Coalcliff 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 (Coalcliff) 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 Coalcliff 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.
Coalcliff is 18 km (11 miles) from Engadine. If you plan a holiday in Illawarra, look for hotels and other accommodation in Engadine. Engadine has rooms for a wide range of budgets as well as car hire and transport links.
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