Surf Forecasts:
Green island surf forecast from 10 Jul 2026:
- Best quality surf: Friday 10 Jul, 2PM (local time) - 18ft (5.5m), 16s period, E swell with offshore winds.
- Most powerful swell: Friday 10 Jul, 5PM (local time) - 18ft (5.5m), 16s period, E swell with 16,348 kJ wave energy.
- Next surfable swell (1★+): Friday 10 Jul, 2PM (local time) - 18ft (5.5m), 16s period with E swell.
Best Forecast Surf Conditions for Green island this week:
The surf forecast for Green island over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 10) at 2PM. The primary swell is predicted to be 5.5m and 16s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Green island in the next 16 days are 5.5m 16s and forecast to arrive on Friday (Jul 10) at 5PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 5.0m 9s period and expected on Saturday (Jul 11) at 11AM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Fri 10th Jul) | 18ft (5.5m) 16s |
| Best Surf | 2PM (Fri 10th Jul) | 18ft (5.5m) 16s |
| Most Powerful | 5PM (Fri 10th Jul) | 18ft (5.5m) 16s |
Table - best surf conditions forecast for Green island over the next 16 days.
Short Range ForecastModerate rain (total 11mm), heaviest on Fri afternoon. Warm (max 30°C on Sat afternoon, min 29°C on Fri morning). Winds increasing (moderate winds from the WNW on Fri night, stormy winds from the WSW by Sat morning). | Days 4-6 Weather SummaryHeavy rain (total 58mm), heaviest during Wed night. Warm (max 29°C on Mon morning, min 28°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||
Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | E 16 | E 16 | ENE 15 | NE 14 | NE 13 | SW 9 | SW 9 | SW 9 | SW 9 | SSW 9 | SW 9 | SW 9 | SW 10 | SW 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 13969 | 16348 | 13251 | 6816 | 3045 | 3040 | 1328 | 910 | 800 | 897 | 563 | 563 | 415 | 407 | 781 | 591 | 623 | 909 | 820 | 784 | 623 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on |
High Tide | 2:57PM1.00m | 2:22AM1.43m | 4:15PM1.05m | 3:23AM1.53m | 5:14PM1.10m | 4:20AM1.63m | 6:02PM1.14m | 5:13AM1.71m | 6:45PM1.17m | 6:03AM1.75m | 7:25PM1.20m | 6:51AM1.74m | 8:03PM1.21m | ||||||||
Low Tide | 8:30AM0.36m | 7:50PM0.69m | 9:40AM0.22m | 8:59PM0.70m | 10:40AM0.08m | 10:00PM0.67m | 11:32AM-0.01m | 10:55PM0.62m | 12:20PM-0.07m | 11:45PM0.56m | 1:05PM-0.07m | 00:33AM0.51m | 1:46PM-0.02m | 1:20AM0.47m | |||||||
 | |  |  |  |  | | | | | | | | | | | | | | | | |
 | 5:16 | — | — | 5:16 | — | — | 5:16 | — | — | 5:18 | — | — | 5:18 | — | — | 5:18 | — | — | 5:18 | — | — |
 | — | 6:40 | — | — | 6:40 | — | — | 6:40 | — | — | 6:39 | — | — | 6:39 | — | — | 6:39 | — | — | 6:39 | — |
mm | 1 | 4 | 2 | — | — | — | 2 | 1 | 1 | 2 | 1 | 11 | 5 | 3 | 6 | 4 | 4 | 22 | 1 | 6 | 22 |
Temp °C | 29 | 29 | 29 | 29 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 |
Feels °C | 28 | 28 | 30 | 19 | 23 | 24 | 26 | 28 | 29 | 28 | 29 | 31 | 29 | 30 | 28 | 31 | 30 | 31 | 32 | 32 | 30 |
Swell 1 Height (m) Direction Period (s) | E 16 | E 16 | ENE 15 | NE 14 | NE 13 | NNE 12 | SSE 10 | SSE 10 | SSE 10 | E 8 | SW 9 | SW 9 | SW 10 | SW 10 | ENE 9 | SE 8 | SSE 7 | E 9 | E 9 | E 11 | SE 8 |
| kJ | 13969 | 16348 | 13251 | 6816 | 3045 | 400 | 409 | 378 | 241 | 10 | 563 | 563 | 415 | 407 | 17 | 31 | 37 | 16 | 27 | 20 | 15 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SE 13 | SE 13 | SE 11 | E 10 | E 9 | E 8 | E 10 | SSE 9 | SE 8 | SE 7 | SE 8 | E 12 | ENE 9 | ENE 9 | E 5 | E 9 | ENE 9 | E 9 |
| kJ | — | — | — | 44 | 106 | 255 | 17 | 15 | 12 | 8 | 161 | 70 | 65 | 90 | 3 | 17 | 17 | 1 | 2 | 8 | 27 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | ENE 11 | N 11 | N 9 | — | — | E 7 | ESE 7 | E 9 | E 9 | E 12 | E 6 | E 6 | SE 9 | — | — | — |
| kJ | — | — | — | — | — | 41 | 9 | 2 | — | — | 17 | 15 | 7 | 7 | 3 | 6 | 2 | 3 | — | — | — |
Wind waves Height (m) Direction Period (s) | N 7 | — | — | WSW 9 | WSW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SSW 9 | — | — | — | — | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 |
| kJ | 363 | — | — | 3599 | 2834 | 3040 | 1328 | 910 | 800 | 897 | — | — | — | — | 781 | 591 | 623 | 909 | 820 | 784 | 623 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 610 | 81 | 457 | 127 | 696 | 290 | 290 | 305 | 338 | 856 | 357 | 74 | 290 | 792 | 357 | 756 | 792 | 67 | 756 | 792 | 717 |
Best forecast wave conditions in South Taiwan | |||||||||||||||||||||
Best forecast wave conditions in Taiwan | |||||||||||||||||||||
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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 16 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.
Green island is 72 km (45 miles) from Changlotsun. If you plan a holiday in South Taiwan, look for hotels and other accommodation in Changlotsun. Changlotsun has rooms for a wide range of budgets as well as car hire and transport links.
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