Nanwan Beach (South Bay) surfForecast / South / Taiwan

information circle16 Day Weather and Surf, issued 7 am Thursday 28 May 2026 CST
Forecast update in hr  min  s Forecast update imminent
Nanwan Beach (South Bay) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nanwan Beach (South Bay) sea temperature is
28.3° C
(Which is normal for this time of year)

Nanwan Beach (South Bay) surf forecast from 28 May 2026:

  • Best quality surf: Sunday 31 May, 2PM (local time) - 6ft (1.9m), 14s period, ESE swell with offshore winds.
  • Most powerful swell: Monday 1 Jun, 5AM (local time) - 10ft (3.0m), 15s period, E swell with 3,277 kJ wave energy.
  • Next surfable swell (1★+): Sunday 31 May, 2PM (local time) - 6ft (1.9m), 14s period with ESE swell.

Best Forecast Surf Conditions for Nanwan Beach (South Bay) this week:

The surf forecast for Nanwan Beach (South Bay) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (May 31) at 2PM. The primary swell is predicted to be 1.9m and 14s period with a secondary swell of 0.8m and 18s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Nanwan Beach (South Bay) in the next 16 days are 3.0m 15s and forecast to arrive on Monday (Jun 01) at 5AM. 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 14s period and expected on Monday (Jun 01) at 8PM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Sun 31st May)6ft (1.9m) 14s
Best Surf 2PM (Sun 31st May)6ft (1.9m) 14s
Most Powerful 5AM (Mon 1st Jun)10ft (3.0m) 15s

Table - best surf conditions forecast for Nanwan Beach (South Bay) over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Fri afternoon. Warm (max 29°C on Thu morning, min 25°C on Sat night). Winds increasing (calm on Thu night, fresh winds from the NE by Sat morning).

Days 4-6 Weather Summary

Light rain (total 5mm), mostly falling on Sun afternoon. Warm (max 28°C on Mon afternoon, min 25°C on Sun afternoon). Winds decreasing (fresh winds from the NE on Sun morning, light winds from the WSW by Mon afternoon).

Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
1
3
3
4
3
4
0
0
1
2
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
W
6
0.5
E
10
0.4
ESE
9
0.5
E
10
0.5
E
10
0.2
ESE
9
0.2
ESE
10
0.5
E
10
0.9
ESE
16
1.8
ESE
14
2.1
ESE
15
2.5
E
15
2.5
E
14
2.5
E
14
2.3
ENE
14
0.4
SSW
9
0.7
SSW
12
1
SSW
12
1
SSW
10
0.9
SSW
9
0.7
SW
8
Wave Graph
Metric surfscale
Energy kJ
49
47
25
49
47
8
9
49
348
1340
1822
2866
2714
2853
0
34
125
289
190
145
70
Wind (km/h)
30
WNW
25
WNW
10
WNW
0
SW
0
SE
30
NE
30
NE
25
NE
25
NE
25
NNE
20
NE
10
N
10
SW
10
NW
20
W
20
WNW
15
NNW
5
NW
5
WNW
5
W
10
NW
cross-off
cross-off
cross-off
glassy
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
off
off
glassy
cross-off
cross-off
High Tide
5:38PM0.66m
5:11AM1.07m
6:25PM0.62m
5:38AM1.13m
7:08PM0.59m
6:08AM1.17m
7:49PM0.57m
6:40AM1.19m
8:27PM0.54m
7:14AM1.19m
9:04PM0.51m
7:49AM1.18m
9:44PM0.49m
Low Tide
11:46AM0.25m
10:27PM0.42m
12:27PM0.18m
10:47PM0.43m
1:05PM0.13m
11:10PM0.44m
1:42PM0.11m
11:33PM0.45m
2:21PM0.11m
11:58PM0.44m
3:01PM0.12m
00:23AM0.44m
3:42PM0.15m
00:50AM0.44m
clear
clear
clear
clear
thunderstorm
part cloud
clear
part cloud
part cloud
part cloud
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
rain showers
rain showers
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:13
5:13
5:13
5:13
5:13
5:13
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:34
6:35
6:35
6:35
6:36
6:36
6:37
4
2
3
1
1
9
Temp °C
29
29
28
28
29
28
28
28
26
27
27
26
27
28
27
28
28
28
28
28
28
30
30
32
32
34
30
26
29
25
25
29
23
30
31
30
30
28
32
33
33
32
Swell 1
Height (m)
Direction
Period (s)
0.5
E
9
0.5
E
10
0.6
WSW
5
0.6
W
5
0.5
E
10
0.2
WSW
6
0.2
ESE
10
0.5
E
10
0.9
ESE
16
1.8
ESE
14
2.1
ESE
15
2.5
E
15
2.5
E
14
2.5
E
14
2.3
ENE
14
1.9
ENE
13
1.6
ENE
13
1.3
NE
12
1.1
NE
12
1.1
NE
13
1
NE
13
Energy kJ
40
47
22
21
47
3
9
49
348
1340
1822
2866
2714
2853
2167
1303
875
455
341
369
315
Swell 2
Height (m)
Direction
Period (s)
0.2
ESE
10
0.3
ENE
12
0.4
ESE
9
0.5
E
10
0.4
WSW
6
0.2
ESE
9
0.1
SW
6
0.2
ESE
15
0.5
E
10
0.1
NE
12
1.1
NE
7
0.9
NNE
8
0.4
SSW
9
0.7
SSW
12
1
SSW
12
1
SSW
10
0.9
SSW
9
0.7
SW
8
Energy kJ
10
28
25
49
13
8
2
23
49
6
128
106
34
125
289
190
145
70
Swell 3
Height (m)
Direction
Period (s)
0.2
ENE
13
0.1
E
14
0.3
ENE
11
0.3
ENE
10
0.3
WNW
5
0.2
W
5
0.2
W
5
0.1
SW
6
0.1
SW
6
0.1
SE
9
0.1
SE
8
0.2
E
10
0.3
E
10
0.3
E
10
Energy kJ
16
4
23
22
5
2
2
2
2
3
3
8
17
17
Wind waves
Height (m)
Direction
Period (s)
0.8
W
6
0.9
W
4
0.2
NNE
3
0.2
NNE
3
0.1
NE
4
1.8
NE
6
1.9
NE
6
1.6
NE
6
1.6
NE
7
1.7
NE
6
1.4
NE
7
1.3
NE
7
0.9
WNW
4
1.2
NW
5
0.4
WNW
5
0.5
NW
3
0.4
NW
4
Energy kJ
49
28
1
1
1
248
269
188
220
230
173
174
29
85
8
6
4
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
2
3
2
4
4
4
5
4
1
2
1
1
1
Distance (km)
42
2
14
2
14
329
693
676
348
676
676
0
2
0
148
2
0
0
0
0
0
Best forecast wave conditions in South Taiwan
Rating
(10 max)
1
1
1
1
1
4
5
4
5
4
1
2
1
1
1
Best forecast wave conditions in Taiwan
Rating
(10 max)
1
1
1
1
1
1
2
4
5
4
6
4
1
2
1
1
1
Header Global
Rating
(10 max)
7
9
9
6
5
5
5
5
7
7
5
5
5
4
4
4
5
5
5
4
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
submit an eyeball surf report

Quick surf report for Nanwan Beach (South Bay):

join our community of surf reporters

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nanwan Beach (South Bay) 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.


Information about the Nanwan Beach (South Bay) Surf forecast

The above surf forecast table for Nanwan Beach (South Bay) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Nanwan Beach (South Bay) can be found by selecting the local surf guide option on the grey menu. Our Nanwan Beach (South Bay) 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 (Nanwan Beach (South Bay)) 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 Nanwan Beach (South Bay) 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.

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest