Surf Forecasts:
How big are the waves at Nanwan Beach (South Bay) today (25 Jul):
- Morning surf: Morning surf (25 Jul, local time) - 13ft (4.0m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (25 Jul, local time) - 7.5ft (2.3m), 10s period with SSW swell.
- Evening surf: Evening surf (25 Jul, local time) - 6.5ft (2.0m), 9s period with SW swell.
The current surf forecast for Nanwan Beach (South Bay) at 5PM is: 2.3m 9s primary swell from a South-southwest direction and 1.9m 9s secondary swell from a East-southeast direction (forecast issued at 01:00pm July 25). The wind direction is predicted to be cross-onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Jul) | 13ft (4.0m) | 10s |
| Afternoon (25 Jul) | 7.5ft (2.3m) | 10s |
| Evening (25 Jul) | 6.5ft (2.0m) | 9s |
Table - waves today at Nanwan Beach (South Bay). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 74mm), heaviest during Mon morning. Warm (max 28°C on Sat afternoon, min 25°C on Sun afternoon). Mainly fresh winds. | |||||||||||||||||||||
Sat 25 | Sunday 26 | Monday 27 | |||||||||||||||||||
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) | SE 10 | SSW 10 | SSW 9 | SW 9 | SW 9 | SW 8 | SW 9 | WSW 10 | WSW 9 | WSW 9 | W 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | SSW 7 | SSW 7 | SSW 8 | SSW 7 | SSW 7 | SSW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1845 | 1107 | 943 | 703 | 505 | 433 | 470 | 490 | 340 | 292 | 176 | 242 | 232 | 132 | 126 | 96 | 169 | 173 | 157 | 157 | 161 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross |
High Tide | 4:12AM1.07m | 6:57PM0.52m | 4:58AM1.12m | 7:11PM0.53m | |||||||||||||||||
Low Tide | 11:49AM0.23m | 12:24PM0.18m | 9:09PM0.50m | 12:56PM0.14m | 10:13PM0.47m | ||||||||||||||||
 |  | |  | |  | | | |  | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | 6:39 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | 6 | 7 | 7 | 4 | 1 | — | — | 2 | 6 | 5 | 5 | 2 | 2 | 3 | 3 | 10 | 6 | 3 | 1 | 1 | 2 |
Temp °C | 28 | 28 | 27 | 27 | 26 | 27 | 27 | 27 | 26 | 25 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 |
Feels °C | 27 | 29 | 29 | 29 | 28 | 27 | 26 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 26 | 27 | 28 | 29 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | S 9 | SSW 10 | SSW 9 | SW 9 | SW 9 | SW 8 | SW 9 | WSW 10 | WSW 9 | WSW 9 | W 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | SE 6 | SSW 7 | SSW 8 | SSW 7 | SSW 7 | SSW 8 |
| kJ | 705 | 963 | 943 | 703 | 505 | 433 | 470 | 490 | 340 | 292 | 176 | 242 | 232 | 132 | 126 | 83 | 169 | 173 | 157 | 157 | 161 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ENE 10 | ENE 10 | ESE 8 | SE 8 | SE 7 | SW 7 | SE 10 | SE 10 | SSW 7 | SSW 7 | SSW 7 | W 8 | SE 6 | SE 6 | ESE 6 | ESE 6 |
| kJ | 21 | 794 | 536 | 493 | 343 | 19 | 19 | 193 | 110 | 82 | 49 | 27 | 28 | 61 | 77 | 93 | 68 | 89 | 73 | 67 | 49 |
Swell 3 Height (m) Direction Period (s) | E 16 | SSE 9 | SSE 9 | ENE 10 | ENE 10 | E 16 | E 16 | ENE 10 | S 7 | SE 10 | SE 10 | ENE 9 | ENE 9 | SE 10 | SE 10 | WSW 8 | ENE 9 | W 8 | W 8 | W 8 | W 7 |
| kJ | 5 | 221 | 165 | 20 | 19 | 5 | 5 | 19 | 23 | 26 | 25 | 17 | 17 | 28 | 26 | 96 | 16 | 64 | 43 | 41 | 27 |
Wind waves Height (m) Direction Period (s) | SE 10 | SE 9 | — | — | — | ESE 8 | ESE 8 | — | ENE 10 | ENE 4 | ESE 7 | ESE 7 | SE 7 | SE 6 | SE 6 | — | SE 6 | — | — | — | — |
| kJ | 1845 | 1107 | — | — | — | 280 | 260 | — | 115 | 34 | 114 | 110 | 103 | 94 | 88 | — | 92 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 148 | 148 | 378 | 148 | 148 | 148 | 148 | 79 | 79 | 79 | 148 | 148 | 148 | 148 | 148 | 148 | 390 | 148 | 148 | 148 | 148 |
Best forecast wave conditions in South Taiwan | |||||||||||||||||||||
Best forecast wave conditions in Taiwan | |||||||||||||||||||||
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