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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 Wednesday 20 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 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: 1.7m 9s primary swell from a South direction and 1.4m 11s secondary swell from a East-northeast direction (forecast issued at 09:00am May 20). The wind direction is predicted to be onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 6.5ft (2.0m) | 9s |
| Afternoon (20 May) | 4.5ft (1.4m) | 11s |
| Evening (20 May) | 7ft (2.1m) | 10s |
Table - waves today at Green Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Fri afternoon. Very mild (max 17°C on Wed morning, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 9 | S 9 | S 9 | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | SSE 8 | SSE 8 | SSE 8 | S 8 | ENE 10 | ENE 10 | E 9 | ESE 9 | E 9 | ESE 10 | ESE 10 | ESE 10 | |
1146 | 621 | 575 | 702 | 797 | 839 | 792 | 836 | 683 | 566 | 383 | 324 | 302 | 280 | 266 | 198 | 128 | 120 | 166 | 352 | 251 | 399 | 473 | 523 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | on | on | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | on | glassy | glassy | glassy | glassy | |
High Tide | 11:24AM1.07m | 11:11PM1.63m | 12:27PM1.05m | 00:11AM1.53m | 1:33PM1.05m | 1:13AM1.43m | ||||||||||||||||||
Low Tide | 5:15AM-0.00m | 4:40PM0.40m | 6:14AM0.05m | 5:42PM0.46m | 7:14AM0.11m | 6:51PM0.50m | ||||||||||||||||||
 | | | |  | | | | | | | | |  |  | |  | | |  | | | | | |
 | 6:48 | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 |
 | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:58 | — | — | — | 4:57 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | |
Temp °C | 12 | 15 | 17 | 17 | 16 | 16 | 14 | 13 | 13 | 14 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 14 | 16 | 15 | 17 | 17 | 16 | 15 |
10 | 13 | 13 | 14 | 13 | 13 | 10 | 10 | 10 | 10 | 13 | 14 | 13 | 12 | 11 | 10 | 11 | 11 | 13 | 14 | 16 | 16 | 16 | 15 | |
Swell 1 Height (m) Direction Period (s) | S 9 | ENE 10 | ENE 11 | S 9 | S 10 | S 10 | ENE 11 | ENE 10 | E 10 | E 10 | E 10 | E 10 | SSE 8 | SSE 8 | SSE 8 | ENE 10 | ENE 10 | ENE 10 | E 9 | E 9 | E 9 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 753 | 458 | 467 | 461 | 529 | 580 | 337 | 331 | 265 | 265 | 255 | 250 | 302 | 280 | 266 | 163 | 128 | 120 | 166 | 241 | 251 | 399 | 473 | 523 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | — | — | ENE 11 | ENE 10 | ENE 10 | — | — | — | — | — | S 16 | E 10 | E 10 | E 10 | ESE 6 | SE 7 | SE 7 | S 8 | SSE 7 | SSE 7 | S 7 | S 8 | S 7 |
| kJ | 540 | — | — | 408 | 400 | 331 | — | — | — | — | — | 5 | 250 | 208 | 204 | 20 | 56 | 49 | 18 | 60 | 36 | 17 | 18 | 17 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 14 | E 6 | ESE 6 | S 13 | S 8 | S 7 | SSE 7 | SSE 7 | SSE 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 16 | 24 | 26 | 29 | 18 | 17 | 16 | 9 | 9 |
Wind waves Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | — | — | — | S 8 | S 8 | SSW 5 | S 6 | ESE 9 | — | — | — | — |
| kJ | 1146 | 621 | 575 | 702 | 797 | 839 | 792 | 836 | 683 | 566 | 383 | 324 | — | — | — | 198 | 118 | 51 | 78 | 352 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 4 | 6 | 6 | 4 | 4 | 4 | 4 | 4 | 4 | 6 | 6 | 4 | 4 | 4 | 4 | 4 | 4 | 6 | 6 | 0 | 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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