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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 pm 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
21.4° 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 1AM is: 1.7m 9s primary swell from a East-northeast direction and 0.2m 4s secondary swell from a South direction (forecast issued at 09:00pm May 18). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 6ft (1.8m) | 9s |
| Afternoon (19 May) | 7ft (2.1m) | 10s |
| Evening (19 May) | 6.5ft (2.0m) | 11s |
Table - waves today at Green Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Mon night. Very mild (max 18°C on Wed afternoon, min 11°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | |||||||||||||||||||||
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 | 7 AM | 10 AM | 1 PM | 4 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | |
528 | 446 | 427 | 436 | 432 | 567 | 821 | 901 | 961 | 769 | 716 | 619 | 861 | 1252 | 916 | 455 | 465 | 580 | 941 | 963 | 724 | 546 | 470 | 428 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-off | cross | cross | cross | cross-on | on | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | |
High Tide | 9:21PM1.74m | 10:23AM1.11m | 10:15PM1.70m | 11:24AM1.07m | 11:11PM1.63m | 12:27PM1.05m | ||||||||||||||||||
Low Tide | 4:16AM-0.04m | 3:44PM0.35m | 5:15AM-0.00m | 4:40PM0.40m | 6:14AM0.05m | |||||||||||||||||||
 |  | | |  | | | | |  | | |  | | | |  | | | | |  | | | |
 | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:48 | — | — | — | — |
 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:59 | — | — | — | — | — | — | — | 4:59 |
— | 1 | 1 | 2 | 3 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 15 | 15 | 15 | 15 | 16 | 16 | 15 | 15 | 14 | 12 | 12 | 11 | 14 | 17 | 18 | 16 | 15 | 14 | 12 | 12 | 14 | 16 | 17 |
17 | 15 | 16 | 15 | 14 | 14 | 14 | 13 | 14 | 13 | 10 | 10 | 8 | 12 | 13 | 14 | 13 | 11 | 11 | 9 | 9 | 10 | 12 | 13 | |
Swell 1 Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | ENE 11 | S 8 | ENE 11 | ENE 10 | S 9 | S 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 |
 kJ | 528 | 446 | 427 | 436 | 432 | 567 | 821 | 901 | 961 | 769 | 418 | 619 | 540 | 847 | 642 | 385 | 333 | 312 | 265 | 218 | 218 | 204 | 204 | 245 |
Swell 2 Height (m) Direction Period (s) | S 4 | S 4 | S 4 | — | — | — | — | — | — | — | ENE 11 | — | — | ENE 10 | ENE 10 | — | — | — | — | — | — | — | — | S 16 |
| kJ | 3 | 1 | 1 | — | — | — | — | — | — | — | 716 | — | — | 469 | 392 | — | — | — | — | — | — | — | — | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | S 4 | S 3 | SSW 4 | SSW 5 | SSW 6 | S 7 | S 8 | S 8 | S 8 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 |
| kJ | — | — | — | 1 | 5 | 22 | 63 | 223 | 408 | 514 | 628 | 477 | 861 | 1252 | 916 | 455 | 465 | 580 | 941 | 963 | 724 | 546 | 470 | 428 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 4 | 4 | 4 | 6 | 6 | 4 | 0 | 4 | 4 | 4 | 4 | 6 | 6 | 4 | 4 | 4 | 4 | 4 | 6 | 6 | 6 |
Best forecast wave conditions in South Coast - New South Wales | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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