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 3PM is: 1.2m 8s primary swell from a South-southwest direction (forecast issued at 07:00am August 18). An open ocean swell of 0.4m 10s is not directed at the surf break, a second open ocean swell of 1.1m 5s 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 60mm), heaviest during Thu morning. Warm (max 30°C on Tue morning, min 27°C on Wed night). Winds decreasing (fresh winds from the NE on Tue morning, light winds from the SSW by Wed night). | |||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 8 | SW 8 | SW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 10 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 230 | 196 | 196 | 175 | 202 | 237 | 290 | 280 | 280 | 247 | 222 | 217 | 188 | 427 | 702 | 838 | 787 | 961 | 948 | 1210 | 1158 | 1392 | 1823 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:10AM0.71m | 10:34PM0.92m | 10:51AM0.58m | 11:17PM0.93m | 12:03PM0.47m | ||||||||||||||||||
Low Tide | 4:21AM0.35m | 3:48PM0.38m | 5:35AM0.39m | 3:49PM0.42m | 7:25AM0.40m | 3:28PM0.44m | |||||||||||||||||
 |  | | | |  | | | |  |  | | |  | | |  |  | | | | | | |
 | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | — | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | 2 | 1 | 5 | 7 | 9 | 7 | 5 | 3 | 4 | 3 |
Temp °C | 28 | 29 | 30 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 30 | 29 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 30 | 30 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 29 | 30 | 32 | 31 | 31 | 31 | 30 | 29 | 29 | 28 | 29 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SW 8 | SW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 10 | ENE 9 | ENE 9 | SSW 9 | SSW 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 |
| kJ | 230 | 196 | 196 | 175 | 202 | 237 | 290 | 280 | 280 | 247 | 222 | 217 | 188 | 427 | 62 | 61 | 787 | 781 | 50 | 36 | 37 | 38 | 43 |
Swell 2 Height (m) Direction Period (s) | ESE 11 | ESE 11 | ESE 10 | ENE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ENE 10 | SSW 11 | E 6 | ENE 9 | SE 8 | ENE 9 | ENE 8 | SE 9 | SE 9 | SE 9 | — | — |
| kJ | 11 | 11 | 11 | 40 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 36 | 48 | 28 | 90 | 15 | 67 | 59 | 13 | 14 | 13 | — | — |
Swell 3 Height (m) Direction Period (s) | ESE 11 | SE 6 | SE 7 | ESE 10 | ESE 10 | S 8 | SE 8 | SE 8 | SE 7 | SE 7 | SSE 8 | SSE 8 | ENE 9 | ENE 9 | SE 8 | E 10 | — | SE 10 | — | — | — | — | — |
| kJ | 11 | 2 | 2 | 10 | 10 | 1 | 2 | 2 | 2 | 2 | 6 | 6 | 35 | 32 | 18 | 2 | — | 14 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 4 | NE 5 | ENE 5 | NE 5 | ENE 10 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | — | SSW 10 | SSW 10 | — | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 10 |
| kJ | 36 | 54 | 74 | 62 | 208 | 92 | 156 | 190 | 156 | 100 | 97 | 55 | 40 | — | 702 | 838 | — | 961 | 948 | 1210 | 1158 | 1392 | 1823 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 316 | 859 | 860 | 859 | 996 | 859 | 511 | 316 | 316 | 316 | 79 | 42 | 1160 | 42 | 14 | 14 | 42 | 42 | 316 | 148 | 148 | 148 | 148 |
Best forecast wave conditions in South Taiwan | |||||||||||||||||||||||
Best forecast wave conditions in Taiwan | |||||||||||||||||||||||
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