Surf Forecasts:
Green island surf forecast from 10 Nov 2026:
- Best quality surf: Saturday 14 Nov, 11AM (local time) - 4.5ft (1.4m), 10s period, ENE swell with cross-offshore winds.
- Most powerful swell: Tuesday 10 Nov, 8PM (local time) - 13ft (4.0m), 10s period, NE swell with 2,693 kJ wave energy.
- Next surfable swell (1★+): Saturday 14 Nov, 11AM (local time) - 4.5ft (1.4m), 10s period with ENE 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 Saturday (Nov 14) at 11AM. The primary swell is predicted to be 1.4m and 10s period with a secondary swell of 0.1m and 12s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Green island in the next 16 days are 4.0m 10s and forecast to arrive on Tuesday (Nov 10) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 10s period and expected on Tuesday (Nov 10) at 5PM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Sat 14th Nov) | 4.5ft (1.4m) 10s |
| Best Surf | 11AM (Sat 14th Nov) | 4.5ft (1.4m) 10s |
| Most Powerful | 8PM (Tue 10th Nov) | 13ft (4.0m) 10s |
Table - best surf conditions forecast for Green island over the next 16 days.
Short Range ForecastModerate rain (total 14mm), heaviest on Thu night. Warm (max 25°C on Wed night, min 23°C on Tue afternoon). Winds decreasing (near gales from the NNE on Tue afternoon, moderate winds from the ENE by Thu night). | Days 5-7 Weather SummaryLight rain (total 9mm), mostly falling on Sat morning. Warm (max 25°C on Fri afternoon, min 23°C on Sat night). Winds increasing (calm on Sat afternoon, fresh winds from the NE by Sun night). | |||||||||||||||||||
Tue 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | ||||||||||||||
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 13 | NE 9 | NE 10 | NE 10 | NE 9 | NE 9 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | ENE 10 | E 10 | E 9 | E 9 | E 10 | E 9 | E 9 | ENE 9 | E 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 941 | 1769 | 1486 | 1178 | 690 | 525 | 579 | 600 | 512 | 489 | 573 | 435 | 400 | 282 | 235 | 158 | 194 | 155 | 281 | 138 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | glassy | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 6:03PM1.56m | 7:12AM1.19m | 6:33PM1.55m | 7:48AM1.13m | 7:04PM1.52m | 8:24AM1.07m | 7:37PM1.46m | 9:05AM1.01m | 8:13PM1.39m | 9:56AM0.97m | 8:56PM1.30m | 11:02AM0.95m | 9:52PM1.21m | |||||||
Low Tide | 00:51AM0.09m | 12:23PM0.57m | 1:26AM0.12m | 12:51PM0.61m | 2:03AM0.18m | 1:20PM0.65m | 2:42AM0.26m | 1:52PM0.69m | 3:27AM0.34m | 2:31PM0.74m | 4:19AM0.41m | 3:28PM0.78m | ||||||||
 |  |  | | |  |  | | | |  |  | |  | | |  | | | | |
 | — | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — |
 | 5:13 | — | — | 5:12 | — | — | 5:12 | — | — | 5:10 | — | — | 5:10 | — | — | 5:10 | — | — | 5:09 | — |
mm | 1 | 1 | — | 2 | 3 | — | 1 | 5 | 1 | 1 | 1 | 5 | 2 | — | — | — | — | — | — | 4 |
Temp °C | 23 | 24 | 23 | 24 | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 |
Feels °C | 15 | 16 | 17 | 19 | 21 | 21 | 22 | 23 | 23 | 24 | 25 | 27 | 29 | 25 | 25 | 22 | 22 | 22 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | E 13 | — | — | — | — | ENE 10 | ENE 10 | N 8 | ENE 13 | ENE 12 | E 10 | ENE 10 | E 10 | E 9 | E 9 | E 10 | E 9 | E 9 | SE 10 | E 8 |
| kJ | 941 | — | — | — | — | 463 | 445 | 29 | 68 | 61 | 573 | 435 | 400 | 282 | 235 | 158 | 194 | 155 | 4 | 138 |
Swell 2 Height (m) Direction Period (s) | E 14 | — | — | — | — | NNE 9 | NNE 8 | — | NNE 7 | NE 11 | — | E 12 | E 9 | E 10 | E 10 | ENE 9 | E 11 | E 10 | SE 10 | NNE 7 |
| kJ | 4 | — | — | — | — | 199 | 134 | — | 9 | 19 | — | 3 | 2 | 18 | 18 | 71 | 2 | 2 | 4 | 34 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 11 | SE 11 | E 11 | — | N 8 | E 10 | SE 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 2 | — | 1 | 2 | 4 |
Wind waves Height (m) Direction Period (s) | NNE 10 | NE 9 | NE 10 | NE 10 | NE 9 | NE 9 | ENE 10 | ENE 10 | ENE 10 | E 10 | — | — | — | — | NE 4 | ENE 3 | NE 4 | NE 5 | ENE 9 | — |
| kJ | 2542 | 1769 | 1486 | 1178 | 690 | 525 | 579 | 600 | 512 | 489 | — | — | — | — | 8 | 6 | 34 | 41 | 281 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 610 | 591 | 591 | 469 | 792 | 290 | 469 | 469 | 290 | 497 | 290 | 290 | 0 | 0 | 0 | 610 | 678 | 678 | 1231 | 305 |
Best forecast wave conditions in South Taiwan | ||||||||||||||||||||
Best forecast wave conditions in Taiwan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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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