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Surf Forecasts:
Nanwan Beach (South Bay) surfForecast / South / Taiwan
48hr Weather and Surf, issued 7 pm Tuesday 16 Sep 2025 CST
How big are the waves at Nanwan Beach (South Bay) today?
The current surf forecast for Nanwan Beach (South Bay) at 10PM is: 1.2m 8s primary swell from a East direction and 0.2m 9s secondary swell from a East-southeast direction, 0.2m 14s secondary swell from a East direction (forecast issued at 07:00pm September 16). The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | - | - |
| Afternoon (16 Sep) | 4.5ft (1.4m) | 8s |
| Evening (16 Sep) | 4.5ft (1.3m) | 8s |
Table - waves today at Nanwan Beach (South Bay). (Swell directed towards the surf break)
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 5 | 6 | 6 | 5 | 6 | 5 | 5 | 5 | 5 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 198 | 191 | 163 | 160 | 160 | 135 | 163 | 75 | 80 | 80 | 104 | 104 | 100 | 116 | 121 | 187 | 167 | 129 | 132 | 63 | 63 | 56 | 59 | 130 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on |
High Tide / height (m) | 2:47AM 1.08 | 6:22PM 0.56 | 3:59AM 1.11 | 6:10PM 0.60 | 4:54AM 1.13 | |||||||||||||||||||
Low Tide / height (m) | 11:15AM 0.12 | 8:26PM 0.55 | 11:51AM 0.12 | 10:01PM 0.48 | 12:19PM 0.13 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - |
| Sunset | 5:59 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:57 | - | - | - | - | - | - | - |
 |  | |  | | |  | | | | | | | |  | |  | |  | | | | | | |
Rain (mm) | - | 1 | 1 | - | 1 | - | - | - | - | 1 | 1 | 1 | 1 | - | 1 | 3 | 6 | 17 | 7 | 12 | 24 | 27 | 12 | 7 |
| Temp. °C | 29 | 29 | 29 | 29 | 28 | 28 | 29 | 30 | 29 | 28 | 28 | 28 | 27 | 28 | 28 | 26 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 |
| Feels °C (?) | 31 | 30 | 29 | 29 | 28 | 28 | 28 | 30 | 29 | 28 | 27 | 28 | 27 | 27 | 26 | 25 | 23 | 23 | 26 | 25 | 23 | 25 | 26 | 27 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for South
Continuing clean conditions at Nanwan Beach (South Bay) (light winds from the WSW.(Wind varies from 210 to 310 degs) at Kaohsiung International Airport 81 km from Nanwan Beach (South Bay)). A 1.2m windswell from the E
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