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Green Island Surf Forecast
/ NSW – South Coast (20 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Green Island surfForecast / NSW – South Coast / Australia
48hr Weather and Surf, issued 9 am Monday 18 May 2026 AESTForecast update in hr min s Forecast update imminent
Green Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Green Island sea temperature is
21.3° C
(Which is 1.9°C warmer than normal for this time of year)How big are the waves at Green Island today?
The current surf forecast for Green Island at 3PM is: 1.9m 9s primary swell from a East-northeast direction and 0.3m 4s secondary swell from a South direction (forecast issued at 09:00am May 18). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 6ft (1.9m) | 9s |
| Afternoon (18 May) | 6ft (1.9m) | 9s |
| Evening (18 May) | 6ft (1.8m) | 9s |
Table - waves today at Green Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Mon night. Very mild (max 18°C on Mon morning, min 12°C on Tue 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 |    |    |    |    | ||||||||||||||||||||
ENE 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 | ENE 10 | ENE 10 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | |
612 | 627 | 641 | 585 | 528 | 464 | 436 | 436 | 383 | 477 | 556 | 625 | 720 | 641 | 573 | 596 | 585 | 624 | 542 | 572 | 703 | 652 | 549 | 553 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | glassy | glassy | off | glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | on | cross-on | cross | cross | cross | |
High Tide | 9:25AM1.16m | 9:21PM1.74m | 10:23AM1.11m | 10:15PM1.70m | 11:24AM1.07m | 11:11PM1.63m | ||||||||||||||||||
Low Tide | 2:53PM0.29m | 4:16AM-0.04m | 3:44PM0.35m | 5:15AM-0.00m | 4:40PM0.40m | |||||||||||||||||||
 | | | |  |  | | | |  | |  |  | | |  |  | | | | | | | | |
 | 6:47 | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:48 |
 | — | — | — | 5:00 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:59 | — | — | — | 4:59 |
— | — | — | — | — | 1 | 1 | 1 | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 18 | 17 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 14 | 13 | 12 | 12 | 14 | 17 | 17 | 16 | 15 | 13 | 12 |
17 | 18 | 18 | 17 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 10 | 10 | 11 | 13 | 12 | 12 | 11 | 9 | 8 | |
Swell 1 Height (m) Direction Period (s) | ENE 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 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
 kJ | 612 | 627 | 641 | 585 | 528 | 464 | 436 | 436 | 383 | 477 | 556 | 625 | 720 | 641 | 573 | 596 | 585 | 492 | 432 | 377 | 326 | 318 | 312 | 265 |
Swell 2 Height (m) Direction Period (s) | S 15 | SSW 3 | SSW 4 | S 4 | S 4 | S 4 | S 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | 2 | 5 | 3 | 3 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSW 4 | SSW 2 | SSW 4 | SSW 4 | S 6 | S 7 | S 7 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 |
| kJ | — | — | — | — | — | — | — | 2 | 1 | 7 | 38 | 190 | 442 | 493 | 442 | 362 | 470 | 624 | 542 | 572 | 703 | 652 | 549 | 553 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 4 | 6 | 6 | 6 | 4 | 4 | 4 | 4 | 4 | 6 | 28 | 4 | 4 | 4 | 4 |
Best forecast wave conditions in South Coast - New South Wales | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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