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Nanwan Beach (South Bay) surfForecast / South / Taiwan
12 Day Weather and Surf, issued 1 pm Monday 22 Dec 2025 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
25.9° C
(Which is 1.2°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 Saturday (Dec 27) at 2PM. The primary swell is predicted to be 1.5m and 9s 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 12 days are 1.9m 10s and forecast to arrive on Tuesday (Dec 23) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.5m 10s period and expected on Thursday (Dec 25) at 8PM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Sat 27th Dec) | 5ft (1.5m) 9s |
| Best Surf | 2PM (Sat 27th Dec) | 5ft (1.5m) 9s |
| Most Powerful | 5PM (Tue 23rd Dec) | 6ft (1.9m) 10s |
Table - best surf conditions forecast for Nanwan Beach (South Bay) over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Mostly dry. Warm (max 24°C on Wed afternoon, min 21°C on Mon night). Winds decreasing (strong winds from the NE on Mon afternoon, moderate winds from the NE by Tue afternoon). | Days 3-6 Weather Summary Mostly dry. Warm (max 21°C on Thu afternoon, min 17°C on Thu night). Winds decreasing (near gales from the NE on Thu night, light winds from the N by Sat afternoon). | ||||||||||||||||||||||
Mon 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 9 | 10 | 10 | 13 | 6 | 10 | 7 | 9 | 10 | 10 | 10 | 18 | 9 | 9 | 9 | 8 | 8 | 7 | 8 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 0 | 0 | 0 | 697 | 0 | 52 | 328 | 377 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 286 | 297 | 233 | 0 | 0 | 115 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | ||
High Tide / height (m) | 7:48PM 1.22 | 9:30AM 0.50 | 8:26PM 1.20 | 10:08AM 0.51 | 9:04PM 1.15 | 10:52AM 0.54 | 9:47PM 1.07 | 11:42AM 0.60 | 10:36PM 0.97 | 12:34PM 0.68 | 11:40PM 0.85 | 1:26PM 0.78 | 1:07AM 0.72 | ||||||||||
Low Tide / height (m) | 3:35AM 0.12 | 1:01PM 0.41 | 4:12AM 0.15 | 1:43PM 0.42 | 4:49AM 0.18 | 2:35PM 0.45 | 5:25AM 0.22 | 3:46PM 0.49 | 6:02AM 0.26 | 5:26PM 0.51 | 6:40AM 0.31 | 7:25PM 0.47 | 7:19AM 0.36 | ||||||||||
Mon 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | |||||||||||||||||
| Sunrise | - | - | 6:31 | - | - | 6:31 | - | - | 6:31 | - | - | 6:33 | - | - | 6:33 | - | - | 6:33 | - | - | 6:33 | ||
| Sunset | 5:19 | - | - | 5:19 | - | - | 5:20 | - | - | 5:20 | - | - | 5:21 | - | - | 5:21 | - | - | 5:22 | - | - | ||
 |  |  | | | | | | | |  | | | | | | | | | | | |||
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
| Temp. °C | 22 | 22 | 23 | 23 | 22 | 23 | 24 | 23 | 22 | 21 | 17 | 18 | 18 | 18 | 20 | 21 | 20 | 21 | 22 | 21 | 22 | ||
| Feels °C (?) | 16 | 19 | 19 | 21 | 20 | 20 | 22 | 21 | 17 | 14 | 6 | 9 | 10 | 11 | 18 | 21 | 18 | 19 | 22 | 19 | 18 | ||
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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.
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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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