Surf Forecasts:
Coalcliff surf forecast from 18 Sep 2026:
- Best quality surf: Friday 25 Sep, 7AM (local time) - 6ft (1.8m), 7s period, NE swell with offshore winds.
- Most powerful swell: Tuesday 22 Sep, 1AM (local time) - 8ft (2.4m), 9s period, S swell with 982 kJ wave energy.
- Next surfable swell (1★+): Saturday 19 Sep, 10AM (local time) - 2.5ft (0.7m), 9s period with S 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 Saturday (Sep 19) at 10AM. The primary swell is predicted to be 0.7m and 9s period with a secondary swell of 0.4m and 7s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Coalcliff in the next 16 days are 2.4m 9s and forecast to arrive on Tuesday (Sep 22) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 7s period and expected on Friday (Sep 25) at 4AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Sat 19th Sep) | 2.5ft (0.7m) 9s |
| Best Surf | 7AM (Fri 25th Sep) | 6ft (1.8m) 7s |
| Most Powerful | 1AM (Tue 22nd Sep) | 8ft (2.4m) 9s |
Table - best surf conditions forecast for Coalcliff over the next 16 days.
Short Range ForecastMostly dry. Warm (max 30°C on Sun morning, min 14°C on Mon afternoon). Winds increasing (calm on Sun afternoon, fresh winds from the SSE by Mon morning). | Days 5-7 Weather SummaryModerate rain (total 18mm), heaviest on Tue night. Warm (max 22°C on Thu morning, min 13°C on Mon night). Mainly fresh winds. | ||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | ||||||||||||||
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 17 | S 9 | S 9 | S 9 | S 10 | S 18 | S 17 | S 11 | SSE 5 | S 9 | S 11 | SSE 10 | S 18 | ENE 7 | ENE 7 | ENE 7 | NE 6 | NE 6 | NE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 195 | 81 | 58 | 43 | 125 | 161 | 147 | 163 | 156 | 982 | 669 | 370 | 231 | 307 | 320 | 222 | 147 | 248 | 355 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | glassy | glassy | off | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 2:04AM0.84m | 2:14PM1.19m | 3:30AM0.84m | 3:25PM1.20m | 4:41AM0.89m | 4:27PM1.24m | 5:31AM0.95m | 5:18PM1.30m | 6:10AM1.04m | 6:01PM1.36m | 6:45AM1.13m | 6:40PM1.40m | |||||||
Low Tide | 7:18AM0.59m | 9:31PM0.47m | 8:36AM0.61m | 10:36PM0.43m | 9:51AM0.58m | 11:25PM0.36m | 10:52AM0.52m | 00:04AM0.29m | 11:42AM0.45m | 00:38AM0.22m | 12:26PM0.37m | 1:10AM0.16m | |||||||
 |  | | | | | |  |  |  | | |  |  | | | | | | |
 | — | 5:50 | — | — | 5:48 | — | — | 5:48 | — | — | 5:46 | — | — | 5:45 | — | — | 5:43 | — | — |
 | — | — | 5:49 | — | — | 5:50 | — | — | 5:50 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — |
mm | — | — | — | — | — | — | — | — | — | 4 | — | — | 10 | 2 | 1 | — | — | 1 | — |
Temp °C | 18 | 27 | 28 | 22 | 30 | 28 | 21 | 25 | 15 | 13 | 14 | 13 | 15 | 16 | 17 | 17 | 22 | 19 | 17 |
Feels °C | 12 | 24 | 25 | 17 | 26 | 26 | 17 | 20 | 11 | 9 | 12 | 10 | 12 | 14 | 16 | 16 | 18 | 15 | 16 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 10 | S 8 | S 10 | S 11 | NE 5 | S 18 | S 11 | SSE 10 | S 10 | S 11 | S 11 | S 11 | ENE 6 | S 10 | S 10 |
| kJ | 109 | 81 | 58 | 43 | 125 | 40 | 73 | 163 | 1 | 24 | 669 | 370 | 153 | 144 | 146 | 121 | 118 | 49 | 30 |
Swell 2 Height (m) Direction Period (s) | S 17 | SE 7 | ESE 7 | S 18 | S 4 | S 18 | S 17 | NNE 4 | E 11 | NE 6 | S 20 | S 16 | S 18 | S 16 | S 20 | E 13 | S 10 | E 12 | E 12 |
| kJ | 195 | 14 | 5 | 24 | 6 | 161 | 147 | 4 | 2 | 1 | 8 | 44 | 231 | 124 | 7 | 3 | 73 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | ESE 7 | S 14 | S 18 | SE 7 | S 19 | S 11 | NE 4 | E 11 | — | — | SSW 16 | E 11 | E 11 | S 20 | E 13 | — | — | E 12 | S 15 |
| kJ | 29 | 37 | 24 | 2 | 64 | 39 | 7 | 3 | — | — | 48 | 2 | 2 | 31 | 3 | — | — | 3 | 4 |
Wind waves Height (m) Direction Period (s) | W 2 | W 3 | — | SW 4 | — | NE 3 | NW 2 | WNW 3 | SSE 5 | S 9 | — | — | E 6 | ENE 7 | ENE 7 | ENE 7 | NE 6 | NE 6 | NE 7 |
| kJ | 1 | 1 | — | 4 | — | 5 | 1 | 1 | 156 | 982 | — | — | 149 | 307 | 320 | 222 | 147 | 248 | 355 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 5 | 0 | 0 | 5 | 0 | 0 | 0 | 23 | 456 | 153 | 17 | 6 | 64 | 51 | 18 | 0 | 449 | 260 | 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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