- Forecast
- Maps
- Live
- Weather State
- Spot Information
Cowries Surf Forecast
/ NSW – Illawarra (42 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Cowries surfForecast / NSW – Illawarra / Australia
48hr Weather and Surf, issued 3 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 9AM is: 2.0m 9s primary swell from a East direction (forecast issued at 03:00am May 18). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| 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 9mm), mostly falling on Mon night. Warm (max 20°C on Mon morning, min 13°C on Wed night). Winds increasing (calm on Mon morning, fresh winds from the S by Wed morning). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
E 9 | E 9 | 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 9 | S 9 | S 9 | SSE 9 | |
664 | 664 | 675 | 690 | 627 | 554 | 499 | 488 | 477 | 422 | 442 | 506 | 631 | 800 | 772 | 712 | 653 | 897 | 566 | 1059 | 742 | 742 | 663 | 913 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | off | cross-off | cross-off | cross-off | cross-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 | |||||||||||||||||||
Low Tide | 3:19AM-0.04m | 2:51PM0.26m | 4:15AM-0.04m | 3:42PM0.32m | 5:13AM0.00m | 4:37PM0.38m | ||||||||||||||||||
 |  |  | | | | |  | | | |  | | | |  | | |  |  | | |  | | |
 | — | 6:43 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:59 | — | — |
— | — | — | — | — | — | — | 1 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 18 | 19 | 20 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 14 | 16 | 17 | 17 | 16 | 15 |
18 | 17 | 17 | 18 | 20 | 18 | 17 | 17 | 17 | 17 | 17 | 16 | 15 | 13 | 13 | 12 | 13 | 12 | 10 | 10 | 11 | 11 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | 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 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
 kJ | 664 | 664 | 675 | 690 | 627 | 554 | 499 | 488 | 477 | 422 | 442 | 506 | 631 | 800 | 772 | 712 | 653 | 546 | 566 | 632 | 418 | 426 | 363 | 363 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 4 | — | — | — | — | — | — | — | — | — | ENE 10 | — | ENE 10 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | 634 | — | 492 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SW 3 | SSW 4 | S 6 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 | S 9 | SSE 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 7 | 103 | 486 | 639 | 897 | 488 | 1059 | 742 | 742 | 663 | 913 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 10 | 10 | 10 | 10 | 10 | 19 | 57 | 19 | 18 | 10 |
Best forecast wave conditions in Illawarra | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cowries 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.
Nearest