Surf Forecasts:
How big are the waves at Nanwan Beach (South Bay) today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 4ft (1.2m), 8s period with SW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 4ft (1.2m), 8s period with SSW swell.
- Evening surf: Evening surf (18 Aug, local time) - 4.5ft (1.3m), 8s period with SSW swell.
The current surf forecast for Nanwan Beach (South Bay) at 1AM is: 1.5m 8s primary swell from a South-southwest direction (forecast issued at 07:00pm August 17). An open ocean swell of 0.4m 10s is not directed at the surf break, a second open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 4ft (1.2m) | 8s |
| Afternoon (18 Aug) | 4ft (1.2m) | 8s |
| Evening (18 Aug) | 4.5ft (1.3m) | 8s |
Table - waves today at Nanwan Beach (South Bay). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 47mm), heaviest during Wed night. Warm (max 30°C on Tue morning, min 27°C on Wed night). Winds decreasing (fresh winds from the ENE on Tue afternoon, light winds from the S by Wed night). | |||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 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 | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SW 8 | SSW 8 | SSW 8 | SW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SW 8 | SSW 10 | SSW 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 365 | 351 | 315 | 281 | 261 | 224 | 192 | 175 | 202 | 237 | 273 | 286 | 252 | 247 | 197 | 193 | 162 | 349 | 614 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | on | on | cross-on |
High Tide | 9:58PM0.88m | 10:10AM0.71m | 10:34PM0.92m | 10:51AM0.58m | |||||||||||||||
Low Tide | 3:40PM0.33m | 4:21AM0.35m | 3:48PM0.38m | 5:35AM0.39m | 3:49PM0.42m | ||||||||||||||
 |  |  |  | |  | | | | | | | | |  | | | | | |
 | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — |
 | 6:25 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — |
mm | — | 1 | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | 1 | 1 | 2 | 4 |
Temp °C | 29 | 29 | 28 | 28 | 28 | 29 | 30 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 30 | 29 | 28 | 28 |
Feels °C | 33 | 32 | 30 | 31 | 31 | 31 | 30 | 29 | 30 | 28 | 28 | 29 | 29 | 29 | 31 | 33 | 31 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SW 8 | SSW 8 | SSW 8 | SW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SW 8 | SSW 10 | SSW 9 |
| kJ | 365 | 351 | 315 | 281 | 261 | 224 | 192 | 175 | 202 | 237 | 273 | 286 | 252 | 247 | 197 | 193 | 162 | 349 | 465 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | NE 10 | ENE 10 | ENE 6 | E 6 | E 6 | ENE 9 |
| kJ | 39 | 39 | 39 | 39 | 40 | 42 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 24 | 37 | 40 | 27 | 27 | 90 |
Swell 3 Height (m) Direction Period (s) | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | SE 6 | SE 7 | ESE 10 | S 8 | SE 8 | SE 8 | SE 7 | ESE 10 | ESE 10 | ENE 10 | SSW 11 | ENE 9 | SSE 8 |
| kJ | 11 | 11 | 11 | 11 | 11 | 11 | 2 | 2 | 10 | 1 | 2 | 2 | 2 | 10 | 10 | 36 | 64 | 32 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | NE 3 | NE 3 | NE 3 | NE 4 | NE 4 | ENE 5 | ENE 10 | ENE 10 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | — | — | — | SSW 9 |
| kJ | — | — | 2 | 5 | 6 | 17 | 42 | 83 | 208 | 245 | 86 | 131 | 114 | 82 | 64 | — | — | — | 614 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 79 | 859 | 316 | 316 | 0 | 859 | 860 | 860 | 859 | 996 | 511 | 316 | 316 | 329 | 42 | 42 | 42 | 14 | 14 |
Best forecast wave conditions in South Taiwan | |||||||||||||||||||
Best forecast wave conditions in Taiwan | |||||||||||||||||||
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