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Nanwan Beach (South Bay) surfForecast / South / Taiwan
16 Day Weather and Surf, issued 1 am Monday 04 May 2026 CSTForecast 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
27.4° 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 Tuesday (May 05) at 8PM. The primary swell is predicted to be 1.4m and 8s 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 1.3m 10s and forecast to arrive on Monday (May 11) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 7s period and expected on Monday (May 04) at 11AM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Tue 5th May) | 4.5ft (1.4m) 8s |
| Best Surf | 8PM (Tue 5th May) | 4.5ft (1.4m) 8s |
| Most Powerful | 8AM (Mon 11th May) | 4.5ft (1.3m) 10s |
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 ForecastMostly dry. Warm (max 27°C on Mon morning, min 22°C on Mon night). Winds decreasing (near gales from the NE on Mon morning, calm by Wed morning). | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Fri afternoon, min 25°C on Fri night). Winds increasing (calm on Fri morning, strong winds from the NE by Fri night). | ||||||||||||||||||||
Monday 4 | Tuesday 5 | Wednesday 6 | Thursday 7 | Friday 8 | Saturday 9 | Sunday 10 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
NE 7 | E 9 | NE 8 | ENE 8 | ENE 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 9 | SSE 5 | ENE 8 | E 10 | E 11 | E 10 | E 10 | ENE 10 | |
0 | 60 | 0 | 0 | 0 | 235 | 215 | 196 | 166 | 159 | 162 | 173 | 188 | 175 | 2 | 0 | 192 | 229 | 250 | 245 | 0 | |
Wind (km/h) | |||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | off | cross-off | glassy | cross-off | cross-off | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | glassy | glassy | |
High Tide | 9:04PM0.55m | 8:02AM1.15m | 9:46PM0.50m | 8:36AM1.12m | 10:41PM0.46m | 9:15AM1.08m | 10:02AM1.02m | 11:03AM0.97m | 12:22PM0.93m | 3:53AM0.61m | |||||||||||
Low Tide | 3:04PM0.14m | 00:51AM0.43m | 3:49PM0.18m | 1:03AM0.44m | 4:40PM0.22m | 1:07AM0.44m | 5:42PM0.26m | 6:53PM0.28m | 7:57PM0.28m | 8:44PM0.27m | |||||||||||
 | |  | |  |  | | | | | | | | | | | | | | | | |
 | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:20 | — | — | 5:20 | — | — | 5:20 | — | — | 5:20 | — | — |
 | — | 6:23 | — | — | 6:23 | — | — | 6:23 | — | — | 6:24 | — | — | 6:24 | — | — | 6:25 | — | — | 6:25 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 27 | 26 | 23 | 25 | 27 | 25 | 26 | 27 | 26 | 27 | 27 | 27 | 27 | 28 | 26 | 27 | 27 | 26 | 28 | 28 | 26 |
25 | 20 | 15 | 23 | 28 | 27 | 29 | 30 | 28 | 29 | 29 | 29 | 31 | 30 | 25 | 25 | 27 | 25 | 29 | 31 | 30 | |
Swell 1 Height (m) Direction Period (s) | — | E 9 | NNW 8 | NNW 6 | ENE 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 9 | NW 4 | NW 7 | E 10 | E 11 | E 10 | E 10 | NW 6 |
 kJ | — | 60 | 36 | 4 | 341 | 235 | 215 | 196 | 166 | 159 | 162 | 173 | 188 | 175 | 3 | 14 | 192 | 229 | 250 | 245 | 6 |
Swell 2 Height (m) Direction Period (s) | — | — | — | N 9 | NW 6 | NW 5 | WNW 5 | NW 5 | SSE 5 | NW 4 | SSE 4 | — | N 10 | SSE 4 | SSE 5 | NNW 7 | NNW 6 | NW 7 | NW 6 | NW 6 | NW 5 |
| kJ | — | — | — | 2 | 1 | 7 | 2 | 1 | 2 | 1 | 2 | — | 2 | 4 | 2 | 36 | 3 | 25 | 6 | 6 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | NW 6 | — | SE 5 | NW 5 | — | — | — | N 10 | N 9 | — | — | NW 10 | — | N 10 | N 9 | NW 6 |
| kJ | — | — | — | — | — | 15 | — | 1 | 1 | — | — | — | 2 | 2 | — | — | 4 | — | 2 | 2 | 6 |
Wind waves Height (m) Direction Period (s) | NE 7 | NE 8 | NE 8 | ENE 8 | — | — | NE 3 | NE 3 | ENE 4 | NE 3 | — | SE 4 | — | — | ENE 6 | ENE 8 | NE 7 | NE 7 | NE 7 | NE 6 | ENE 10 |
| kJ | 890 | 1225 | 1251 | 524 | — | — | 2 | 5 | 9 | 2 | — | 2 | — | — | 236 | 661 | 353 | 483 | 240 | 145 | 463 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 694 | 694 | 316 | 316 | 2 | 0 | 0 | 0 | 79 | 42 | 42 | 42 | 2 | 2 | 1254 | 1254 | 859 | 316 | 79 | 0 | 2 |
Best forecast wave conditions in South Taiwan | |||||||||||||||||||||
Best forecast wave conditions in Taiwan | |||||||||||||||||||||
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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.
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