Nanwan Beach (South Bay) surfForecast / South / Taiwan

information circle16 Day Weather and Surf, issued 7 pm 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: Monday 1 Jun, 2AM (local time) - 10ft (3.0m), 14s period, E swell with cross-offshore winds.
  • Most powerful swell: Monday 1 Jun, 2AM (local time) - 10ft (3.0m), 14s period, E swell with 3,236 kJ wave energy.
  • Next surfable swell (1★+): Monday 1 Jun, 2AM (local time) - 10ft (3.0m), 14s period with E 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 Monday (Jun 01) at 2AM. The primary swell is predicted to be 3.0m and 14s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Nanwan Beach (South Bay) in the next 16 days are 3.0m 14s and forecast to arrive on Monday (Jun 01) at 2AM. 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+) 2AM (Mon 1st Jun)10ft (3.0m) 14s
Best Surf 2AM (Mon 1st Jun)10ft (3.0m) 14s
Most Powerful 2AM (Mon 1st Jun)10ft (3.0m) 14s

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

Some drizzle, heaviest during Fri afternoon. Warm (max 29°C on Fri morning, min 25°C on Sat night). Mainly fresh winds.

Days 5-7 Weather Summary

Light rain (total 2mm), mostly falling on Tue night. Warm (max 29°C on Tue morning, min 26°C on Sun night). Winds increasing (calm on Mon morning, strong winds from the NW by Tue morning).

Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thu
4
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
0
0
0
3
2
4
3
2
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
ESE
8
0.5
E
10
0.5
E
10
0.2
ESE
9
0.2
ESE
10
0.6
E
10
0.9
ESE
14
1.9
ESE
14
2.2
ESE
14
3
E
14
3
E
14
2.5
E
14
2.1
ENE
13
0.2
SSW
9
0.3
SSW
10
0.7
SSW
9
0.6
SSW
10
0.9
SW
9
0.8
SSW
8
0.9
SSW
9
0.9
SSW
9
Wave Graph
Metric surfscale
Energy kJ
22
47
47
8
9
68
371
1423
1966
3236
3148
2946
0
8
18
70
61
112
90
133
124
Wind (km/h)
15
WNW
5
S
0
WSW
30
NE
25
NE
30
NE
25
NE
25
NE
25
NE
10
NW
10
WSW
30
WNW
30
NW
40
WNW
35
NW
15
WNW
5
WSW
10
SSW
10
SE
15
SE
10
SSW
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
cross-off
cross-off
cross
cross-on
cross-on
on
cross-on
High Tide
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
8:27AM1.15m
Low Tide
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
4:26PM0.19m
clear
clear
thunderstorm
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
thunderstorm
clear
clear
clear
thunderstorm
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
5:11
<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
6:37
1
2
1
2
Temp °C
28
29
29
29
29
28
27
28
28
27
27
28
28
29
28
28
29
29
29
29
29
32
34
35
32
28
27
26
27
28
25
31
28
28
27
27
30
32
31
32
31
32
Swell 1
Height (m)
Direction
Period (s)
0.4
ESE
8
0.6
W
5
0.5
E
10
0.3
SW
6
0.2
ESE
10
0.6
E
10
0.9
ESE
14
1.9
ESE
14
2.2
ESE
14
3
E
14
3
E
14
2.5
E
14
2.1
ENE
13
1.7
ENE
13
1.4
ENE
12
1.1
NE
11
1
NE
12
0.8
NE
12
0.8
SSW
8
0.9
SSW
9
0.9
SSW
9
Energy kJ
22
20
47
5
9
68
371
1423
1966
3236
3148
2946
1534
928
554
325
268
197
90
133
124
Swell 2
Height (m)
Direction
Period (s)
0.3
ENE
11
0.5
E
10
0.4
WSW
6
0.2
ESE
9
0.2
WSW
6
0.1
SW
6
0.6
E
9
0.2
SSW
9
0.3
SSW
10
0.7
SSW
9
0.6
SSW
8
0.9
SW
9
0.8
NE
12
0.7
NE
12
0.6
NE
11
Energy kJ
23
47
13
8
4
2
64
8
18
70
44
112
167
137
73
Swell 3
Height (m)
Direction
Period (s)
0.2
ESE
9
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
0.6
SSW
10
0.3
E
10
0.3
E
10
0.3
E
9
0.3
E
10
Energy kJ
8
22
5
2
2
2
1
3
61
17
17
16
16
Wind waves
Height (m)
Direction
Period (s)
0.6
W
5
0.6
NW
4
0.3
NE
3
1.5
NE
5
1.8
NE
6
1.6
NE
6
1.6
NE
6
1.7
NE
6
1.5
NE
7
1.7
NE
7
0.8
NW
6
1.2
WNW
5
1.6
WNW
6
1.1
WNW
5
0.5
WNW
4
0.3
WSW
5
Energy kJ
20
8
2
115
239
190
188
223
198
271
46
64
166
61
8
5
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
2
3
3
4
5
7
4
4
3
2
2
2
2
2
2
Distance (km)
2
2
14
329
693
676
348
676
676
0
2
148
42
42
42
2
2
14
14
42
14
Best forecast wave conditions in South Taiwan
Rating
(10 max)
1
1
1
4
6
7
5
4
4
3
3
2
2
2
2
Best forecast wave conditions in Taiwan
Rating
(10 max)
1
1
1
1
2
4
6
7
5
4
4
4
3
4
3
2
2
Header Global
Rating
(10 max)
9
7
5
5
5
5
7
7
6
5
5
4
5
5
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)
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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.

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