Surf Forecasts:
How big are the waves at Nanwan Beach (South Bay) today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 8ft (2.5m), 9s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 10ft (3.0m), 9s period with SW swell.
- Evening surf: Evening surf (20 Aug, local time) - 8ft (2.5m), 9s period with SW swell.
The current surf forecast for Nanwan Beach (South Bay) at 2PM is: 3.0m 9s primary swell from a Southwest direction and 0.3m 9s secondary swell from a Southeast direction (forecast issued at 07:00am August 20). An open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 8ft (2.5m) | 9s |
| Afternoon (20 Aug) | 10ft (3.0m) | 9s |
| Evening (20 Aug) | 8ft (2.5m) | 9s |
Table - waves today at Nanwan Beach (South Bay). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 131mm), heaviest during Thu morning. Warm (max 28°C on Thu morning, min 26°C on Thu afternoon). Mainly fresh winds. | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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 9 | SSW 9 | SSW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 933 | 1037 | 1151 | 1381 | 1202 | 1129 | 1177 | 1331 | 1499 | 1623 | 1679 | 1627 | 1552 | 1332 | 1290 | 1290 | 1297 | 1235 | 1153 | 1203 | 1057 | 951 | 911 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 12:03PM0.47m | 00:13AM0.94m | 1:28AM0.95m | ||||||||||||||||||||
Low Tide | 7:25AM0.40m | 3:28PM0.44m | 9:52AM0.36m | 11:01AM0.29m | |||||||||||||||||||
 |  | | |  |  | | | | | | | | | | | | | | | | | | |
 | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — |
 | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | 6 | 10 | 6 | 7 | 5 | 5 | 6 | 8 | 10 | 8 | 10 | 8 | 7 | 7 | 4 | 3 | 3 | 4 | 2 | 1 | 2 | 3 | 4 |
Temp °C | 27 | 28 | 28 | 26 | 26 | 27 | 27 | 26 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 28 | 28 | 27 | 28 | 28 |
Feels °C | 28 | 30 | 30 | 26 | 27 | 29 | 29 | 27 | 27 | 27 | 27 | 27 | 29 | 28 | 27 | 27 | 28 | 27 | 28 | 28 | 27 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SE 9 | ENE 8 | SW 10 | ENE 8 | ESE 10 | SW 10 | SW 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 61 | 57 | 39 | 26 | 27 | 28 | 24 | 14 | 14 | 14 | 14 | 13 | 7 | 1332 | 7 | 10 | 1297 | 1235 | 10 | 10 | 11 | 11 | 11 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | — | — | — | ENE 8 | ENE 8 | ENE 8 | — | ENE 8 | ESE 10 | ESE 10 | NE 8 | NE 8 | NE 8 | NE 8 | NE 10 |
| kJ | 9 | 9 | 15 | 13 | 21 | 20 | 19 | 18 | — | — | — | 7 | 7 | 7 | — | 7 | 10 | 10 | 3 | 3 | 3 | 3 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 8 | NE 8 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 9 | SSW 9 | SSW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 10 | SW 10 | SW 10 | — | SW 10 | SW 10 | — | — | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 |
| kJ | 933 | 1037 | 1151 | 1381 | 1202 | 1129 | 1177 | 1331 | 1499 | 1623 | 1679 | 1627 | 1552 | — | 1290 | 1290 | — | — | 1153 | 1203 | 1057 | 951 | 911 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 148 | 148 | 148 | 335 | 42 | 14 | 14 | 42 | 348 | 42 | 42 | 42 | 42 | 42 | 348 | 348 | 42 | 2 | 42 | 316 | 316 | 316 | 316 |
Best forecast wave conditions in South Taiwan | |||||||||||||||||||||||
Best forecast wave conditions in Taiwan | |||||||||||||||||||||||
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