Nanwan Beach (South Bay) surfForecast / South / Taiwan

information circle16 Day Weather and Surf, issued 1 pm Wednesday 08 Apr 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
26.5° C
(Which is normal for this time of year)

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 Saturday (Apr 11) at 8AM. The primary swell is predicted to be 0.8m and 10s period with a secondary swell of 0.4m and 7s. 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 2.4m 16s and forecast to arrive on Wednesday (Apr 15) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 9s period and expected on Thursday (Apr 09) at 2AM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sat 11th Apr)2.5ft (0.8m) 10s
Best Surf 2AM (Wed 15th Apr)5.5ft (1.7m) 18s
Most Powerful 8PM (Wed 15th Apr)8ft (2.4m) 16s

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 Mostly dry. Warm (max 27°C on Thu afternoon, min 24°C on Wed night). Winds decreasing (fresh winds from the WNW on Fri afternoon, light winds from the SSW by Sat morning).

Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Sat afternoon, min 24°C on Sat night). Wind will be generally light.

Wed
08
Thursday
09
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
1
0
0
1
0
1
2
2
1
4
4
Swell
Height Map
Wave Height (m) & direction (?)
0.7
E
0.6
WSW
0.9
E
0.8
E
0.7
E
0.8
E
0.8
E
0.8
E
0.8
E
0.8
E
0.7
E
0.9
E
0.9
E
0.9
E
1
E
1
E
1
E
1.1
E
1.1
E
1.7
ESE
2.3
ESE
Period(s) (?)97108811101010101012111110121111111816
Wave
Graph
(?)Metric surfscale
Energy kJ (?)833714988711411281221201239021619518421027124030230719162676
Wind
(km/h)
20
ENE
15
NE
15
SSE
15
SSW
20
W
25
WNW
30
WNW
25
WNW
10
SSW
15
W
5
NW
15
S
15
SW
10
W
15
WSW
20
W
15
NW
15
WNW
20
NW
10
NNE
5
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
oncross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
off
cross-
off
cross-
on
crosscross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glass
High Tide
/ height (m)
10:23AM
0.99
11:36AM
0.94
1:17PM
0.93
2:44PM
0.95
5:14AM
0.63
3:48PM
0.98
5:18AM
0.70
4:41PM
1.01
5:34AM
0.80
Low Tide
/ height (m)
6:05PM
0.31
8:02PM
0.32
9:30PM
0.29
10:11PM
0.26
10:40PM
0.23
9:09AM
0.53
11:05PM
0.21
10:18AM
0.43
11:29PM
0.21
11:12AM
0.31
Wed
08
Thursday
09
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Sunrise--5:41--5:41--5:41--5:39--5:39--5:37--5:37
Sunset6:14--6:14--6:14--6:15--6:15--6:15--6:15--
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C262526272626262526262626262626262526272626
Feels °C (?)262729292925232327272827272928272427282729
  • 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 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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