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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
12 Day Weather and Surf, issued 3 am Wednesday 17 Sep 2025 AEST
Best Forecast Surf Conditions for Green Island this week:
The surf forecast for Green Island over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 18) at 1AM. The primary swell is predicted to be 1.4m and 6s period with a secondary swell of 0.6m and 10s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Green Island in the next 12 days are 2.4m 8s and forecast to arrive on Tuesday (Sep 23) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Friday (Sep 19) at 4PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Thu 18th Sep) | 4.5ft (1.4m) 6s |
| Best Surf | 1AM (Thu 18th Sep) | 4.5ft (1.4m) 6s |
| Most Powerful | 4AM (Tue 23rd Sep) | 8ft (2.4m) 8s |
Table - best surf conditions forecast for Green Island over the next 12 days.
Short Range Forecast Mostly dry. Warm (max 25°C on Fri morning, min 12°C on Wed night). Wind will be generally light. | Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Mon night. Warm (max 22°C on Mon morning, min 7°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 4 | 9 | 6 | 7 | 7 | 10 | 9 | 8 | 10 | 10 | 9 | 8 | 7 | 11 | 10 | 10 | 9 | 8 | 7 | 7 | 7 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 1 | 2 | 122 | 117 | 62 | 65 | 55 | 34 | 53 | 30 | 27 | 165 | 64 | 143 | 71 | 48 | 40 | 694 | 448 | 521 | 356 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | glass | cross- off | cross- off | off | cross- off | off | cross- off | cross- off | cross- off | cross- off | glass | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross |
High Tide / height (m) | 4:53PM 1.43 | 5:57AM 1.05 | 5:47PM 1.46 | 6:39AM 1.13 | 6:34PM 1.47 | 7:16AM 1.20 | 7:15PM 1.45 | 7:49AM 1.26 | 7:53PM 1.41 | 8:21AM 1.32 | 8:30PM 1.36 | 8:52AM 1.35 | 9:06PM 1.28 | ||||||||
Low Tide / height (m) | 10:22AM 0.50 | 11:49PM 0.20 | 11:24AM 0.44 | 12:33AM 0.17 | 12:16PM 0.38 | 1:10AM 0.16 | 1:01PM 0.32 | 1:42AM 0.17 | 1:43PM 0.28 | 2:12AM 0.19 | 2:23PM 0.26 | 2:41AM 0.22 | 3:02PM 0.25 | 3:09AM 0.27 | |||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||
| Sunrise | 5:56 | - | - | 5:54 | - | - | 5:52 | - | - | 5:50 | - | - | 5:50 | - | - | 5:48 | - | - | 5:47 | - | - |
| Sunset | - | 5:49 | - | - | 5:50 | - | - | 5:51 | - | - | 5:52 | - | - | 5:52 | - | - | 5:52 | - | - | 5:53 | - |
 | |  | | |  |  |  | | | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 8 | - | - | - |
| Temp. °C | 21 | 19 | 14 | 19 | 18 | 15 | 25 | 21 | 19 | 18 | 17 | 10 | 16 | 16 | 14 | 22 | 20 | 13 | 14 | 13 | 12 |
| Feels °C (?) | 16 | 14 | 12 | 15 | 14 | 12 | 21 | 17 | 16 | 12 | 12 | 6 | 12 | 12 | 10 | 19 | 16 | 10 | 8 | 7 | 6 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for NSW - South Coast
Continuing clean conditions at Green Island (light winds from the WSW at Ulladulla Aws 10 km from Green Island). No surfable waves
Actual: 45 min ago
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Green Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Green Island Surf forecast
The above surf forecast table for Green Island provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Green Island can be found by selecting the local surf guide option on the grey menu. Our Green Island surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Green Island) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Green Island may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in South Coast - New South Wales? If you are looking for accommodation near Green Island, camping, hotels and holiday cottages in South Coast - New South Wales, consider staying in Nowra which is 44 km (27 miles) away. Other places in and around South Coast - New South Wales where you can find information about places to rent, and car hire include Port Kembla which is 93 km (58 miles) away and Goulburn, 93 km (58 miles) away.
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