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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 Sunday 17 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
20.7° C
(Which is slightly warmer than usual)How big are the waves at Cowries today?
The current surf forecast for Cowries at 5PM is: 1.9m 9s primary swell from a East direction and 0.1m 12s secondary swell from a South direction (forecast issued at 09:00am May 17). The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 6ft (1.9m) | 9s |
| Afternoon (17 May) | 6ft (1.9m) | 9s |
| Evening (17 May) | 6.5ft (2.0m) | 9s |
Table - waves today at Cowries. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 19mm), heaviest on Tue night. Warm (max 20°C on Sun morning, min 13°C on Tue night). Winds increasing (calm on Mon night, fresh winds from the SW by Tue afternoon). | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | E 10 | S 9 | |
517 | 542 | 554 | 575 | 588 | 664 | 664 | 650 | 612 | 612 | 540 | 484 | 474 | 413 | 371 | 374 | 400 | 397 | 528 | 862 | 727 | 754 | 899 | 1769 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-on | cross-on | cross-on | cross | cross-off | cross-off | off | off | glassy | glassy | cross-off | glassy | glassy | glassy | glassy | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 8:25AM1.21m | 8:31PM1.76m | 9:21AM1.16m | 9:21PM1.76m | 10:19AM1.11m | 10:14PM1.72m | ||||||||||||||||||
Low Tide | 2:02PM0.21m | 3:19AM-0.04m | 2:51PM0.26m | 4:15AM-0.04m | 3:42PM0.32m | |||||||||||||||||||
 | |  | |  |  | | | | | | | | |  | |  | | | | | | | | |
 | 6:43 | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:46 |
 | — | — | — | 5:00 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 5:00 | — | — | — | 4:59 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 2 | 4 | 3 | 5 | 1 | — | |
Temp °C | 16 | 19 | 20 | 20 | 19 | 19 | 18 | 17 | 18 | 19 | 19 | 19 | 18 | 17 | 16 | 15 | 16 | 16 | 16 | 15 | 15 | 14 | 15 | 14 |
17 | 20 | 19 | 19 | 19 | 19 | 18 | 16 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 17 | 16 | 15 | 10 | 10 | 9 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | E 10 | S 9 |
 kJ | 517 | 542 | 554 | 575 | 588 | 664 | 664 | 650 | 612 | 612 | 540 | 484 | 474 | 413 | 371 | 374 | 400 | 397 | 528 | 862 | 727 | 754 | 899 | 994 |
Swell 2 Height (m) Direction Period (s) | S 8 | — | S 8 | S 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 10 |
| kJ | 1 | — | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 815 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 3 | SSW 5 | S 8 | S 8 | S 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 99 | 566 | 817 | 1769 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 10 | 22 | 10 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 90 | 19 | 10 | 10 |
Best forecast wave conditions in Illawarra | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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