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Coalcliff Surf Forecast
/ NSW – Illawarra (42 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Coalcliff surfForecast / NSW – Illawarra / Australia
48hr Weather and Surf, issued 3 pm Monday 18 May 2026 AESTForecast update in hr min s Forecast update imminent
Coalcliff surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Coalcliff sea temperature is
19.8° C
(Which is normal for this time of year)How big are the waves at Coalcliff today?
The current surf forecast for Coalcliff at 7PM is: 2.3m 8s primary swell from a East-northeast direction and 2.0m 9s secondary swell from a East-northeast direction, 0.1m 15s secondary swell from a South direction (forecast issued at 03:00pm May 18). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | - | - |
| Afternoon (18 May) | 7ft (2.1m) | 9s |
| Evening (18 May) | 8ft (2.5m) | 8s |
Table - waves today at Coalcliff. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Mon night. Very mild (max 18°C on Mon afternoon, min 12°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | |
778 | 721 | 771 | 919 | 732 | 778 | 938 | 970 | 1280 | 1331 | 1162 | 1039 | 1164 | 999 | 723 | 1331 | 1039 | 861 | 734 | 865 | 971 | 1138 | 1088 | 861 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | glassy | glassy | cross | cross | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross | cross-off | cross | cross | cross | cross-on | |
High Tide | 9:32PM1.75m | 10:25AM1.11m | 10:25PM1.71m | 11:25AM1.07m | 11:20PM1.63m | |||||||||||||||||||
Low Tide | 4:25AM-0.02m | 3:51PM0.30m | 5:23AM0.02m | 4:47PM0.36m | 6:23AM0.07m | |||||||||||||||||||
 | |  | | | | | |  | |  |  | |  |  | | |  | | | | | | | |
 | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:45 | — | — |
 | — | 5:00 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:59 | — | — | — | — | — | 4:59 |
— | — | 1 | 2 | 3 | 2 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 18 | 17 | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 16 | 15 | 14 | 13 | 12 | 16 | 15 | 16 | 15 | 13 | 13 | 14 | 13 | 16 |
20 | 18 | 18 | 17 | 16 | 16 | 16 | 17 | 15 | 15 | 15 | 15 | 13 | 11 | 9 | 14 | 12 | 12 | 12 | 10 | 9 | 8 | 8 | 11 | |
Swell 1 Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | S 9 | S 9 | ENE 10 | S 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | E 10 |
 kJ | 778 | 721 | 623 | 681 | 732 | 778 | 938 | 970 | 1280 | 1331 | 1162 | 1039 | 758 | 723 | 676 | 1005 | 510 | 432 | 424 | 370 | 306 | 300 | 300 | 290 |
Swell 2 Height (m) Direction Period (s) | — | — | S 15 | — | — | NE 8 | — | SSW 4 | — | — | — | S 8 | ENE 10 | ENE 10 | — | ENE 10 | — | — | — | — | — | — | — | — |
| kJ | — | — | 4 | — | — | 398 | — | 15 | — | — | — | 583 | 870 | 791 | — | 573 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | ENE 8 | ENE 8 | SSW 4 | SSW 3 | SSW 4 | SW 5 | SSW 5 | S 6 | S 7 | S 8 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 |
| kJ | — | — | 771 | 919 | 2 | 5 | 17 | 31 | 27 | 77 | 278 | 829 | 1164 | 999 | 723 | 1331 | 1039 | 861 | 734 | 865 | 971 | 1138 | 1088 | 861 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 9 | 0 | 0 | 5 | 5 | 0 | 0 | 5 | 5 | 5 | 0 | 0 | 0 | 0 | 5 | 6 | 23 | 5 | 0 | 17 | 51 | 17 | 23 |
Best forecast wave conditions in Illawarra | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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