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Surf Forecasts:

Nanwan Beach (South Bay) surfForecast / South / Taiwan

information circle12 Day Weather and Surf, issued 7 am Wednesday 04 Feb 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
25.1° C
 (Which is 1.0°C warmer than 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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Feb 06) at 11PM. The primary swell is predicted to be 1.3m and 10s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Nanwan Beach (South Bay) in the next 12 days are 1.7m 10s and forecast to arrive on Friday (Feb 06) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 5.0m 10s period and expected on Sunday (Feb 08) at 8PM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Fri 6th Feb)4.5ft (1.3m) 10s
Best Surf11PM (Fri 6th Feb)4.5ft (1.3m) 10s
Most Powerful 2AM (Fri 6th Feb)5.5ft (1.7m) 10s

Table - best surf conditions forecast for Nanwan Beach (South Bay) over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 8mm), mostly falling on Wed night. Warm (max 24°C on Thu afternoon, min 20°C on Wed morning). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 20°C on Sat afternoon, min 14°C on Sun night). Winds decreasing (gales from the NE on Sun night, light winds from the NE by Mon night).

Wednesday
04
Thursday
05
Friday
06
Saturday
07
Sunday
08
Monday
09
Tuesday
10
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.9
E
1.7
E
1.7
ESE
1.6
ESE
1.7
ESE
1.7
ESE
1.4
ESE
1.4
ESE
1.3
ESE
3.5
NE
0.1
SE
0.6
ESE
4.5
NE
4.5
NE
4.5
NE
3
ENE
2.3
ENE
1.6
E
1.3
E
1.1
E
1.1
E
Period(s) (?)8888810101010811991010878888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)489396394361400588373373332055900000294187135133
Wind
(km/h)
30
NE
20
ENE
15
ENE
15
E
20
ESE
20
SE
20
SE
15
SSE
5
NNW
50
NE
50
NE
50
NE
60
NE
65
NE
60
NE
50
NE
35
NE
25
NE
20
ENE
25
ENE
20
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscrosscrosscross-
on		cross-
on		ononoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscross-
off
High Tide
/ height (m)
8:50AM
0.65
8:31PM
1.18
9:18AM
0.71
9:08PM
1.04
9:47AM
0.77
9:42PM
0.89
10:18AM
0.82
10:15PM
0.74
10:53AM
0.86
10:50PM
0.61
11:36AM
0.89
11:46PM
0.49
12:34PM
0.90
Low Tide
/ height (m)
1:44PM
0.30
3:29AM
0.18
2:33PM
0.32
3:49AM
0.26
3:25PM
0.35
4:03AM
0.32
4:23PM
0.40
4:12AM
0.38
5:36PM
0.43
4:15AM
0.42
7:32PM
0.44
4:01AM
0.44
10:16PM
0.38
Wednesday
04
Thursday
05
Friday
06
Saturday
07
Sunday
08
Monday
09
Tuesday
10
Sunrise6:33--6:33--6:33--6:31--6:31--6:31--6:31--
Sunset-5:46--5:47--5:47--5:49--5:50--5:50--5:51-
part cloud
clear
rain showers
rain showers
part cloud
rain showers
part cloud
clear
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
Rain (mm)
--22-3--1------------
Temp. °C212322232424242424192018171614151818202120
Feels °C (?)1821222424232323251112885151112171817
  • 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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View detailed surf forecast for Nanwan Beach (South Bay) at:
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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 12 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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