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Surf Forecasts:
Nanwan Beach (South Bay) surfForecast / South / Taiwan
48hr Weather and Surf, issued 7 pm Saturday 30 May 2026 CSTForecast update in hr min s Forecast update imminent
Nanwan Beach (South Bay) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nanwan Beach (South Bay) sea temperature is
28.6° C
(Which is normal for this time of year)How big are the waves at Nanwan Beach (South Bay) today (31 May):
- Morning surf: Morning surf (31 May, local time) - 5.5ft (1.7m), 14s period with ESE swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 10ft (3.0m), 15s period with E swell.
- Evening surf: Evening surf (31 May, local time) - 11ft (3.5m), 14s period with E swell.
The current surf forecast for Nanwan Beach (South Bay) at 4AM is: 1.3m 13s primary swell from a East-southeast direction and 0.1m 6s secondary swell from a Southwest direction (forecast issued at 07:00pm May 30). An open ocean swell of 1.7m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 5.5ft (1.7m) | 14s |
| Afternoon (31 May) | 10ft (3.0m) | 15s |
| Evening (31 May) | 11ft (3.5m) | 14s |
Table - waves today at Nanwan Beach (South Bay). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sun morning. Warm (max 29°C on Mon afternoon, min 26°C on Sat night). Winds increasing (light winds from the NW on Sun afternoon, strong winds from the WNW by Mon afternoon). | ||||||||||||||||||||||||
Sat 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 10 | ESE 16 | ESE 15 | ESE 14 | ESE 13 | ESE 14 | E 14 | E 15 | E 15 | E 14 | E 13 | E 13 | E 12 | E 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | SW 6 | SW 6 | S 10 | SW 9 | |
68 | 49 | 225 | 421 | 623 | 1095 | 3236 | 4223 | 4589 | 4129 | 3333 | 2531 | 1519 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 3 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | |
High Tide | 7:08PM0.59m | 6:08AM1.17m | 7:49PM0.57m | 6:40AM1.19m | 8:27PM0.54m | 7:14AM1.19m | ||||||||||||||||||
Low Tide | 11:10PM0.44m | 1:42PM0.11m | 11:33PM0.45m | 2:21PM0.11m | 11:58PM0.44m | |||||||||||||||||||
 |  |  | | | |  | |  | | | | | | |  | | | | | | | | | |
 | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — |
 | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | 6:36 |
1 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 28 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 27 | 28 | 29 | 29 |
28 | 25 | 23 | 25 | 27 | 27 | 27 | 31 | 30 | 26 | 29 | 28 | 28 | 30 | 28 | 26 | 27 | 27 | 27 | 27 | 25 | 26 | 28 | 29 | |
Swell 1 Height (m) Direction Period (s) | E 10 | ESE 16 | ESE 15 | ESE 14 | ESE 13 | ESE 14 | E 14 | E 15 | E 15 | E 14 | E 13 | E 13 | E 12 | E 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | NE 11 | NE 11 | NE 11 | NE 12 |
 kJ | 68 | 49 | 225 | 421 | 623 | 1095 | 3236 | 4223 | 4589 | 4129 | 3333 | 2531 | 1519 | 1290 | 1405 | 1272 | 1216 | 1013 | 920 | 718 | 544 | 439 | 389 | 376 |
Swell 2 Height (m) Direction Period (s) | SW 6 | SW 6 | ESE 9 | ESE 9 | SW 6 | SW 6 | — | — | — | — | NW 8 | NE 8 | E 16 | — | — | — | — | — | — | — | SW 6 | SW 6 | SW 6 | SW 9 |
| kJ | 1 | 2 | 16 | 9 | 2 | 2 | — | — | — | — | 31 | 364 | 195 | — | — | — | — | — | — | — | 1 | 1 | 1 | 3 |
Swell 3 Height (m) Direction Period (s) | NW 5 | NW 5 | SW 6 | SW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 10 | S 7 |
| kJ | 1 | 1 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 |
Wind waves Height (m) Direction Period (s) | NE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | — | WNW 4 | WNW 4 | WNW 5 | NW 6 | NW 7 | NW 7 | NW 6 | WNW 5 | WNW 6 | WNW 5 | WNW 5 | WNW 5 |
| kJ | 116 | 211 | 357 | 372 | 250 | 250 | 331 | 284 | 341 | 384 | 396 | — | 14 | 20 | 52 | 189 | 403 | 325 | 152 | 110 | 129 | 110 | 74 | 50 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 676 | 348 | 329 | 348 | 348 | 476 | 676 | 0 | 676 | 693 | 0 | 14 | 14 | 14 | 14 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 |
Best forecast wave conditions in South Taiwan | ||||||||||||||||||||||||
Best forecast wave conditions in Taiwan | ||||||||||||||||||||||||
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