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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 Thursday 21 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
21.2° C
(Which is 2.0°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 5PM is: 1.7m 8s primary swell from a South direction and 1.0m 10s secondary swell from a East direction, 0.1m 16s secondary swell from a South direction (forecast issued at 09:00am May 21). The wind direction is predicted to be cross-onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 7ft (2.2m) | 9s |
| Afternoon (21 May) | 6ft (1.8m) | 8s |
| Evening (21 May) | 5.5ft (1.7m) | 8s |
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 3mm), mostly falling on Sat night. Very mild (max 17°C on Sat morning, min 12°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 9 | S 8 | S 8 | S 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | E 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | E 11 | E 11 | E 11 | E 11 | E 12 | |
766 | 630 | 470 | 346 | 316 | 365 | 328 | 265 | 256 | 243 | 251 | 370 | 603 | 678 | 731 | 794 | 833 | 896 | 1066 | 1242 | 1288 | 1280 | 1442 | 1494 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross | cross-on | cross-on | on | on | glassy | glassy | cross-on | on | on | cross | glassy | glassy | glassy | |
High Tide | 12:27PM1.05m | 00:11AM1.53m | 1:33PM1.05m | 1:13AM1.43m | 2:36PM1.09m | 2:17AM1.32m | ||||||||||||||||||
Low Tide | 6:14AM0.05m | 5:42PM0.46m | 7:14AM0.11m | 6:51PM0.50m | 8:12AM0.17m | 8:06PM0.52m | ||||||||||||||||||
 |  | | |  | |  |  |  | | | | | | | | | | | | | | | | |
 | 6:48 | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 |
 | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:57 | — | — | — | 4:57 |
— | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | |
Temp °C | 12 | 14 | 15 | 16 | 15 | 14 | 13 | 12 | 13 | 12 | 13 | 15 | 15 | 15 | 15 | 16 | 15 | 16 | 17 | 17 | 16 | 15 | 16 | 17 |
9 | 10 | 11 | 12 | 12 | 11 | 10 | 8 | 10 | 9 | 11 | 14 | 13 | 14 | 14 | 16 | 14 | 15 | 16 | 16 | 15 | 16 | 16 | 17 | |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 10 | ENE 10 | E 10 | E 9 | E 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | E 11 | E 11 | E 11 | E 11 | E 12 |
 kJ | 265 | 270 | 216 | 212 | 212 | 208 | 167 | 163 | 120 | 113 | 251 | 370 | 603 | 678 | 731 | 794 | 833 | 896 | 1066 | 1242 | 1288 | 1280 | 1442 | 1494 |
Swell 2 Height (m) Direction Period (s) | — | — | — | S 16 | — | S 16 | S 15 | S 15 | S 14 | S 13 | S 7 | S 7 | S 7 | S 7 | SSW 9 | S 7 | S 8 | S 8 | S 20 | S 19 | S 18 | S 17 | S 15 | S 15 |
| kJ | — | — | — | 5 | — | 5 | 4 | 4 | 15 | 31 | 9 | 9 | 9 | 17 | 25 | 9 | 18 | 12 | 8 | 7 | 6 | 5 | 18 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | S 13 | S 12 | — | — | S 12 | — | — | S 22 | S 20 | S 19 | — | — | — | S 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | 28 | 11 | — | — | 3 | — | — | 9 | 33 | 29 | — | — | — | 2 |
Wind waves Height (m) Direction Period (s) | S 9 | S 8 | S 8 | S 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 7 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 766 | 630 | 470 | 346 | 316 | 365 | 328 | 265 | 256 | 243 | 117 | 112 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 6 | 6 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 6 | 6 | 6 | 0 | 0 | 4 | 6 | 6 | 4 | 0 | 0 | 0 |
Best forecast wave conditions in South Coast - New South Wales | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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