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Cowries Surf Forecast
/ NSW – Illawarra (42 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Cowries surfForecast / NSW – Illawarra / Australia
48hr Weather and Surf, issued 9 am Monday 18 May 2026 AESTForecast update in hr min s Forecast update imminent
Cowries surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cowries sea temperature is
20.6° C
(Which is slightly warmer than usual)How big are the waves at Cowries today?
The current surf forecast for Cowries at 4PM is: 1.9m 9s primary swell from a East-northeast direction (forecast issued at 09:00am May 18). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 6.5ft (2.0m) | 9s |
| Afternoon (18 May) | 6ft (1.9m) | 9s |
| Evening (18 May) | 6ft (1.8m) | 9s |
Table - waves today at Cowries. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Mon afternoon. Very mild (max 19°C on Mon morning, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | S 8 | ENE 10 | S 8 | S 8 | S 9 | S 9 | S 9 | S 8 | S 8 | |
675 | 690 | 627 | 554 | 554 | 488 | 427 | 422 | 495 | 605 | 698 | 833 | 772 | 610 | 622 | 671 | 555 | 603 | 708 | 593 | 668 | 780 | 727 | 619 | |
Wind (km/h) | ||||||||||||||||||||||||
off | glassy | glassy | glassy | glassy | glassy | glassy | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 9:21AM1.16m | 9:21PM1.76m | 10:19AM1.11m | 10:14PM1.72m | 11:19AM1.07m | 11:10PM1.65m | ||||||||||||||||||
Low Tide | 2:51PM0.26m | 4:15AM-0.04m | 3:42PM0.32m | 5:13AM0.00m | 4:37PM0.38m | |||||||||||||||||||
 | | | |  | | |  | |  | | | | | |  |  | | | |  | | | | |
 | 6:43 | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:46 |
 | — | — | — | 5:00 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:59 | — | — | — | 4:59 |
— | — | — | — | 1 | 1 | 1 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 19 | 19 | 18 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 15 | 14 | 14 | 16 | 17 | 17 | 15 | 14 | 14 | 13 |
17 | 18 | 19 | 18 | 16 | 17 | 17 | 17 | 16 | 15 | 15 | 12 | 12 | 13 | 12 | 12 | 11 | 12 | 11 | 12 | 10 | 10 | 9 | 8 | |
Swell 1 Height (m) Direction Period (s) | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | S 8 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
 kJ | 675 | 690 | 627 | 554 | 554 | 488 | 427 | 422 | 495 | 605 | 698 | 833 | 772 | 610 | 622 | 453 | 555 | 492 | 424 | 356 | 363 | 312 | 312 | 260 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | S 4 | S 4 | S 4 | S 4 | — | — | — | — | — | — | — | ENE 10 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | 622 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SSW 4 | SW 3 | SSW 4 | SSW 5 | S 6 | S 7 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 | S 9 | S 8 | S 8 |
| kJ | — | — | — | — | — | — | — | — | 2 | 4 | 3 | 37 | 200 | 378 | 458 | 671 | 464 | 603 | 708 | 593 | 668 | 780 | 727 | 619 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 10 | 10 | 3 | 0 | 4 | 10 | 18 | 57 | 18 | 10 | 10 | 10 |
Best forecast wave conditions in Illawarra | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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