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Surf Forecasts:

Green island surfForecast / South / Taiwan

information circle12 Day Weather and Surf, issued 7 pm Friday 20 Feb 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
26.1° C
 (Which is 1.6°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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Feb 22) at 5AM. The primary swell is predicted to be 1.1m and 9s period with a secondary swell of 0.9m and 9s. Another secondary swell of 0.6m and 12s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Green island in the next 12 days are 1.5m 11s and forecast to arrive on Friday (Feb 27) at 8AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 6s period and expected on Saturday (Feb 28) at 2AM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sun 22nd Feb)3.5ft (1.1m) 9s
Best Surf 5AM (Sun 22nd Feb)3.5ft (1.1m) 9s
Most Powerful 8AM (Fri 27th Feb)5ft (1.5m) 11s

Table - best surf conditions forecast for Green island over the next 12 days.

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

Short Range Forecast Heavy rain (total 21mm), heaviest during Sun night. Warm (max 24°C on Sun night, min 22°C on Fri night). Winds increasing (light winds from the SE on Sat afternoon, fresh winds from the E by Mon morning).

Days 3-6 Weather Summary Light rain (total 5mm), mostly falling on Wed afternoon. Warm (max 24°C on Thu afternoon, min 23°C on Mon night). Mainly fresh winds.

Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Fri
27
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
1
1
0
0
0
0
0
1
2
1
1
1
1
0
1
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
ESE
0.8
ESE
0.8
ESE
0.9
ESE
1.4
ESE
1.4
ESE
1.3
ESE
1.4
E
1.5
E
1.5
E
1.4
ESE
1.5
E
1.6
E
1.6
E
1.5
E
1.5
E
1.2
ESE
1.5
E
1.5
E
1.5
E
1.4
E
Period(s) (?)78987777788991010101010111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7678107101186186163179223272264340417470423422258461498505440
Wind
(km/h)
15
E
10
ESE
15
ESE
10
E
10
E
20
E
25
E
35
E
30
E
25
ENE
15
ENE
15
ENE
20
NE
20
NE
20
ENE
20
ENE
20
ESE
15
ESE
15
SE
25
SW
40
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
on		crosscrosscrosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscross-
on		cross-
on		cross-
on
High Tide
/ height (m)
8:20AM
1.42
8:39PM
1.37
8:52AM
1.43
9:25PM
1.21
9:30AM
1.42
10:23PM
1.04
10:17AM
1.38
11:57PM
0.90
11:24AM
1.33
2:35AM
0.87
1:04PM
1.32
4:08AM
0.96
2:40PM
1.38
Low Tide
/ height (m)
2:11AM
0.25
2:29PM
0.27
2:40AM
0.36
3:17PM
0.29
3:10AM
0.48
4:15PM
0.35
3:42AM
0.60
5:34PM
0.40
4:24AM
0.72
7:24PM
0.41
5:48AM
0.82
9:07PM
0.33
8:08AM
0.82
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Fri
27
Sunrise-6:20--6:20--6:20--6:18--6:18--6:16--6:16-
Sunset--5:52--5:53--5:53--5:54--5:54--5:55--5:55
clear
clear
clear
rain showers
thunderstorm
thunderstorm
rain showers
clear
clear
part cloud
clear
clear
clear
clear
rain showers
rain showers
cloud
clear
clear
part cloud
part cloud
Rain (mm)
---32214-------23-----
Temp. °C222223232323242323232323232323232324242525
Feels °C (?)212223232423221919192123242323222223242422
  • Map Icons:
  • Break
  • 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 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.

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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