Green island surfForecast / South / Taiwan

information circle16 Day Weather and Surf, issued 1 pm Wednesday 29 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
27.6° C
(Which is 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 Thursday (Apr 30) at 5AM. The primary swell is predicted to be 0.9m and 6s period with a secondary swell of 0.3m and 9s. Another secondary swell of 0.7m and 4s is also forecast. 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 2.1m 8s and forecast to arrive on Tuesday (May 05) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 7s period and expected on Monday (May 04) at 2PM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Thu 30th Apr)3ft (0.9m) 6s
Best Surf 8PM (Sat 2nd May)3.5ft (1.1m) 9s
Most Powerful 2PM (Tue 5th May)7ft (2.1m) 8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Wed afternoon. Warm (max 27°C on Wed afternoon, min 23°C on Thu night). Mainly strong winds.

Days 5-7 Weather Summary

Some drizzle, heaviest during Sat night. Warm (max 28°C on Sun afternoon, min 23°C on Mon night). Winds increasing (light winds from the ESE on Sat night, near gales from the NNE by Mon afternoon).

Wed
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
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<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.3
SSE
6
0.9
SW
4
0.7
SE
6
0.6
SE
6
0.4
SE
7
2
NE
7
1.9
NE
7
1.4
NE
6
1.4
ENE
7
1
E
9
0.7
ESE
9
1.3
SSE
6
0.9
ESE
9
0.8
ESE
10
0.8
ESE
9
0.7
ESE
9
2.2
NE
7
2
ENE
8
2.1
ENE
8
2
ENE
8
1.6
ENE
8
Wave Graph
Metric surfscale
Energy kJ
111
28
36
30
12
357
321
152
173
165
79
104
138
123
115
84
462
515
531
499
359
Wind (km/h)
30
SSW
35
SW
25
NNE
35
NNE
35
NE
35
NE
35
NE
25
NE
20
NE
20
NE
20
SSE
30
S
30
SSW
30
WSW
35
NNE
50
NNE
45
NE
40
NE
45
NE
35
NE
35
NE
cross-on
cross-on
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
on
on
cross-on
cross-on
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
5:01PM1.31m
5:00AM1.42m
5:39PM1.30m
5:27AM1.48m
6:16PM1.28m
5:53AM1.52m
6:51PM1.24m
6:20AM1.53m
7:25PM1.19m
6:48AM1.52m
8:01PM1.13m
7:18AM1.49m
8:38PM1.06m
7:51AM1.44m
Low Tide
10:54PM0.43m
11:25AM0.22m
11:21PM0.46m
11:59AM0.16m
11:48PM0.49m
12:32PM0.12m
00:14AM0.53m
1:05PM0.12m
00:40AM0.57m
1:40PM0.15m
1:06AM0.61m
2:17PM0.20m
1:34AM0.65m
thunderstorm
part cloud
part cloud
cloud
light rain
cloud
part cloud
cloud
part cloud
part cloud
thunderstorm
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:22
5:22
5:22
5:20
5:20
5:20
5:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:17
6:19
6:19
6:20
6:20
6:20
6:21
6:21
1
3
1
Temp °C
27
27
24
24
24
24
23
24
24
25
27
27
28
27
27
25
24
23
23
23
24
26
27
23
22
20
20
19
22
23
26
29
27
28
26
27
20
18
18
18
19
21
Swell 1
Height (m)
Direction
Period (s)
0.4
NE
9
0.6
ESE
6
0.7
SE
6
0.6
SE
6
0.4
SE
7
0.2
E
10
0.4
E
10
0.5
E
9
0.8
NNE
7
1
E
9
0.7
ESE
9
0.7
E
9
0.9
ESE
9
0.8
ESE
10
0.8
ESE
9
0.7
ESE
9
0.5
E
10
1.6
ENE
8
Energy kJ
20
28
36
30
12
8
30
45
54
165
79
79
138
123
115
84
47
359
Swell 2
Height (m)
Direction
Period (s)
0.1
N
6
0.4
SSE
5
0.3
ENE
8
0.4
NNE
10
0.2
E
10
0.9
NNE
7
0.6
NNE
7
0.4
NNE
7
0.2
NNE
6
0.2
NNE
6
0.6
SSE
6
0.1
N
9
Energy kJ
1
10
14
33
8
70
31
17
4
4
25
2
Swell 3
Height (m)
Direction
Period (s)
0.1
N
5
0.3
ENE
9
0.1
E
10
0.2
NNE
6
0.1
N
6
Energy kJ
1
15
2
4
1
Wind waves
Height (m)
Direction
Period (s)
1.3
SSE
6
0.9
SW
4
1.3
N
6
1.5
NNE
7
1.9
NNE
7
2
NE
7
1.9
NE
7
1.4
NE
6
1.4
ENE
7
0.9
ESE
6
1.3
SSE
6
1.3
S
6
1
W
5
1.8
NNE
6
2.1
NNE
7
2.2
NE
7
2
ENE
8
2.1
ENE
8
2
ENE
8
Energy kJ
111
23
122
223
387
357
321
152
173
55
104
123
43
256
443
462
515
531
499
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
1
1
1
1
1
2
Distance (km)
67
74
515
696
610
775
469
290
290
127
74
338
67
74
81
324
290
832
785
305
1231
Best forecast wave conditions in South Taiwan
Rating
(10 max)
1
1
1
1
2
1
2
Best forecast wave conditions in Taiwan
Rating
(10 max)
1
1
1
1
1
1
1
2
1
2
1
1
1
Header Global
Rating
(10 max)
8
8
6
5
5
6
7
5
5
5
4
5
5
4
7
5
4
5
4
4
4
  • 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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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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