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Surf Forecasts:

Green island surfForecast / South / Taiwan

information circle16 Day Weather and Surf, issued 7 am Wednesday 15 Apr 2026 CST
Forecast 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
27.4° C
 (Which is 1.0°C warmer than normal for this time of year)

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 Sunday (Apr 19) at 11PM. The primary swell is predicted to be 1.3m and 14s period with a secondary swell of 0.9m 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 2.2m 16s and forecast to arrive on Thursday (Apr 16) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Tuesday (Apr 21) at 2PM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Sun 19th Apr)4.5ft (1.3m) 14s
Best Surf11PM (Sun 19th Apr)4.5ft (1.3m) 14s
Most Powerful11PM (Thu 16th Apr)7ft (2.2m) 16s

Table - best surf conditions forecast for Green island over the next 16 days.

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Light rain (total 4mm), mostly falling on Fri night. Warm (max 26°C on Wed morning, min 26°C on Wed morning). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 21mm), heaviest during Sun night. Warm (max 27°C on Sat night, min 25°C on Sat morning). Wind will be generally light.

Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
2
2
2
3
1
1
1
2
0
1
1
2
3
3
3
3
1
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
E
1.3
E
1.7
E
1.8
ESE
2
E
2.2
E
2.1
E
2
E
1.8
E
1.7
E
1.6
E
1.5
E
1.5
E
1.4
E
1.3
E
1.6
E
1.7
E
1.8
ENE
1.6
ENE
1.6
E
1.4
ENE
Period(s) (?)121117161516151515141414141313131414131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)41142616101622188524172125178713921212105788182869058685110651207958919659
Wind
(km/h)
20
SW
25
SW
15
S
15
SE
15
SSW
10
SSE
15
S
20
SSW
20
S
15
SSW
20
SW
15
S
15
SE
10
W
5
SE
10
ENE
15
E
10
ESE
15
ESE
15
ESE
15
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		oncross-
on		onononcross-
on		oncross-
on		cross-
on		oncross-
on		crossglasscross-
off		crosscrosscross-
on		cross-
on		cross
High Tide
/ height (m)
Low Tide
/ height (m)
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Sunrise5:35--5:33--5:33--5:31--5:31--5:30--5:30--
Sunset-6:13--6:13--6:14--6:14--6:14--6:15--6:15-
clear
clear
clear
part cloud
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
clear
thunderstorm
thunderstorm
thunderstorm
rain showers
clear
thunderstorm
thunderstorm
clear
thunderstorm
Rain (mm)
--------42--1281-76-13
Temp. °C262626262626262626262627262626262626262726
Feels °C (?)272525272727272627282626272828282827262827
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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.

View detailed surf forecast for Green island at:
surf-forecast.com

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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