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Nanwan Beach (South Bay) surfForecast / South / Taiwan
48hr Weather and Surf, issued 7 am Tuesday 21 Apr 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
27.1° C
(Which is slightly warmer than usual)How big are the waves at Nanwan Beach (South Bay) today?
The current surf forecast for Nanwan Beach (South Bay) at 3PM is: 1.0m 4s primary swell from a East direction and 0.2m 14s secondary swell from a East-southeast direction (forecast issued at 07:00am April 21). An open ocean swell of 1.1m 12s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 3ft (0.9m) | 4s |
| Afternoon (21 Apr) | 3.5ft (1.0m) | 4s |
| Evening (21 Apr) | 3.5ft (1.0m) | 5s |
Table - waves today at Nanwan Beach (South Bay). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | Fri 24 | |||||||||||||||||||||
| 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 13 | 13 | 13 | 13 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 25 | 22 | 29 | 37 | 33 | 46 | 52 | 69 | 64 | 69 | 37 | 39 | 62 | 53 | 38 | 32 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 15 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | on | on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off |
High Tide / height (m) | 8:49AM 1.28 | 11:05PM 0.47 | 9:40AM 1.23 | 10:43AM 1.15 | ||||||||||||||||||||
Low Tide / height (m) | 4:47PM 0.07 | 1:44AM 0.43 | 6:10PM 0.12 | 7:46PM 0.15 | ||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Fri 24 | |||||||||||||||||||||
| Sunrise | - | 5:31 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:17 | - | - | - | - | - | - | - | 6:19 | - | - | - | - | - | - | - | 6:19 | - | - | - |
 |  | | | |  | | | | | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 25 |
| Feels °C (?) | 24 | 23 | 24 | 23 | 24 | 23 | 23 | 24 | 25 | 26 | 28 | 28 | 29 | 30 | 28 | 27 | 26 | 25 | 25 | 24 | 25 | 26 | 27 | 27 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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