Green island Surf Break

Lat Long: 22.03° N 121.53° E

Green island Surf Forecast and Surf Report

Issued: 1 am 07 Sep 2026 (local time)

Forecast update in  hr  min

Today's Green island sea temperature is
28.9°C
0.0° 

Green island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Green island surf forecast from 7 Sep 2026:

  • Best quality surf: Monday 7 Sep, 5PM (local time) - 5ft (1.6m), 9s period, NE swell with cross-offshore winds.
  • Most powerful swell: Sunday 13 Sep, 5PM (local time) - 11ft (3.5m), 10s period, E swell with 2,314 kJ wave energy.
  • Next surfable swell (1★+): Monday 7 Sep, 11AM (local time) - 2.5ft (0.7m), 8s period with SW 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 Monday (Sep 07) at 11AM. The primary swell is predicted to be 0.7m and 8s period. 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 3.5m 10s and forecast to arrive on Sunday (Sep 13) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Thursday (Sep 10) at 11PM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Mon 7th Sep)2.5ft (0.7m) 8s
Best Surf 5PM (Mon 7th Sep)5ft (1.6m) 9s
Most Powerful 5PM (Sun 13th Sep)11ft (3.5m) 10s

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


Short Range Forecast

Moderate rain (total 13mm), heaviest on Wed morning. Warm (max 28°C on Mon morning, min 26°C on Mon night). Winds increasing (light winds from the ENE on Mon afternoon, strong winds from the NNE by Wed night).

Days 4-6 Weather Summary

Heavy rain (total 27mm), heaviest during Sat night. Warm (max 28°C on Fri afternoon, min 27°C on Thu morning). Mainly near gales.

Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
3
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SW
8
1.6
NE
9
0.7
SW
8
0.7
SW
8
1.2
NE
9
0.6
SW
8
0.5
SW
8
0.5
SW
8
0.5
SW
8
0.4
SW
7
0.3
SW
8
0.2
ENE
17
0.3
ENE
16
0.3
ENE
16
0.4
ENE
15
0.4
ENE
15
1.7
NE
8
2.2
NE
7
2.4
ESE
10
3.5
E
10
2.4
ENE
8
Wave Graph
Metric surfscale
Energy kJ
67
424
69
67
247
49
28
28
28
14
9
29
51
53
74
75
401
456
1064
2314
709
Wind (km/h)
15
NE
15
ENE
15
NE
20
NNE
20
NE
20
NNE
30
NNE
35
NNE
40
NNE
40
NNE
40
NNE
45
NNE
45
NE
40
NE
40
NE
55
NE
55
NE
45
NE
45
NE
35
NE
35
NE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
4:17PM1.04m
3:17AM1.46m
4:52PM1.13m
4:15AM1.55m
5:23PM1.22m
5:03AM1.61m
5:52PM1.31m
5:47AM1.62m
6:20PM1.38m
6:27AM1.58m
6:47PM1.43m
7:04AM1.50m
7:15PM1.46m
Low Tide
9:36AM0.25m
8:59PM0.73m
10:26AM0.16m
10:01PM0.60m
11:07AM0.11m
10:49PM0.46m
11:42AM0.10m
11:32PM0.34m
12:14PM0.13m
00:12AM0.25m
12:42PM0.19m
00:50AM0.20m
1:09PM0.28m
1:28AM0.19m
rain showers
light rain
thunderstorm
clear
clear
thunderstorm
rain showers
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:37
5:37
5:37
5:39
5:39
5:39
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:05
6:04
6:02
6:01
6:00
6:00
5:59
 mm
1
1
5
2
4
3
2
2
2
5
13
7
3
6
Temp °C
28
27
27
28
28
27
27
27
27
27
27
27
27
28
28
27
27
27
27
28
28
Feels °C
30
29
29
28
29
26
26
24
24
23
24
24
23
27
27
24
22
24
24
27
27
  • 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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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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