Surf Forecasts:
Chialoshui surf forecast from 21 Oct 2026:
- Best quality surf: Thursday 22 Oct, 2AM (local time) - 15ft (4.5m), 18s period, ESE swell with cross-onshore winds.
- Most powerful swell: Friday 23 Oct, 2AM (local time) - 25ft (7.5m), 17s period, ENE swell with 30,625 kJ wave energy.
- Next surfable swell (1★+): Thursday 22 Oct, 2AM (local time) - 15ft (4.5m), 18s period with ESE swell.
Best Forecast Surf Conditions for Chialoshui this week:
The surf forecast for Chialoshui over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Oct 22) at 2AM. The primary swell is predicted to be 4.5m and 18s period with a secondary swell of 4.5m and 10s. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Chialoshui in the next 16 days are 7.5m 17s and forecast to arrive on Friday (Oct 23) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 5.5m 12s period and expected on Thursday (Oct 22) at 11PM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Thu 22nd Oct) | 15ft (4.5m) 18s |
| Best Surf | 2AM (Thu 22nd Oct) | 15ft (4.5m) 18s |
| Most Powerful | 2AM (Fri 23rd Oct) | 25ft (7.5m) 17s |
Table - best surf conditions forecast for Chialoshui over the next 16 days.
Short Range ForecastLight rain (total 9mm), mostly falling on Fri morning. Warm (max 29°C on Fri night, min 26°C on Wed night). Winds increasing (light winds from the NNW on Thu night, severe gales from the W by Fri night). | Days 4-6 Weather SummaryHeavy rain (total 140mm), heaviest during Sat afternoon. Warm (max 28°C on Sat night, min 25°C on Sat afternoon). Winds decreasing (severe gales from the WSW on Sat morning, light winds from the NE by Mon afternoon). | ||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | ESE 16 | ESE 18 | ESE 18 | E 18 | E 18 | ENE 17 | ENE 16 | NE 15 | NE 12 | SW 8 | SW 7 | SE 9 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | NE 6 | NE 8 | NE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3755 | 6329 | 13214 | 20691 | 21834 | 30625 | 25762 | 15155 | 2073 | 993 | 514 | 132 | 116 | 132 | 155 | 162 | 162 | 170 | 528 | 1731 | 2350 |
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-on | cross | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:37PM1.04m | 3:00AM1.21m | 3:59PM1.15m | 3:51AM1.27m | 4:24PM1.26m | 4:36AM1.32m | 4:49PM1.37m | 5:19AM1.35m | 5:17PM1.47m | 6:02AM1.34m | 5:48PM1.56m | 6:45AM1.30m | 6:20PM1.62m | ||||||||
Low Tide | 9:02AM0.43m | 8:59PM0.68m | 9:39AM0.38m | 9:45PM0.53m | 10:11AM0.36m | 10:26PM0.38m | 10:41AM0.35m | 11:05PM0.23m | 11:11AM0.36m | 11:44PM0.10m | 11:42AM0.40m | 00:25AM0.01m | 12:13PM0.45m | 1:08AM-0.02m | |||||||
 |  |  | | |  |  | | |  | |  | | | | | |  |  | | | |
 | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — |
 | — | 5:27 | — | — | 5:25 | — | — | 5:25 | — | — | 5:24 | — | — | 5:23 | — | — | 5:22 | — | — | 5:22 | — |
mm | — | — | — | — | — | 2 | 3 | 2 | 2 | 22 | 78 | 37 | — | — | 2 | — | — | 1 | 2 | 2 | — |
Temp °C | 28 | 28 | 26 | 27 | 28 | 28 | 26 | 28 | 29 | 26 | 25 | 28 | 28 | 28 | 27 | 28 | 28 | 27 | 27 | 27 | 25 |
Feels °C | 28 | 28 | 20 | 25 | 28 | 29 | 25 | 27 | 26 | 16 | 20 | 30 | 30 | 31 | 29 | 31 | 31 | 31 | 29 | 25 | 18 |
Swell 1 Height (m) Direction Period (s) | ESE 16 | ESE 18 | ESE 18 | E 18 | E 18 | ENE 17 | ENE 16 | NE 15 | NE 12 | ESE 10 | SE 9 | SE 9 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | SE 6 | E 10 | — |
| kJ | 3755 | 6329 | 13214 | 20691 | 21834 | 30625 | 25762 | 15155 | 2073 | 133 | 103 | 132 | 116 | 132 | 155 | 162 | 162 | 170 | 2 | 268 | — |
Swell 2 Height (m) Direction Period (s) | ESE 24 | — | — | — | — | NNE 13 | — | — | ESE 12 | NE 10 | E 11 | E 10 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SSE 6 | — | — |
| kJ | 108 | — | — | — | — | 7675 | — | — | 125 | 34 | 56 | 72 | 77 | 45 | 25 | 26 | 23 | 11 | 4 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NE 10 | NE 9 | N 11 | NE 10 | SSW 6 | SW 5 | WSW 5 | SW 5 | SW 5 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 24 | 3 | 2 | 4 | 20 | 7 | 3 | 1 | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 5 | NE 7 | NE 10 | NE 11 | NE 12 | — | WNW 12 | WNW 9 | WSW 8 | SW 8 | SW 7 | SSW 6 | SSW 6 | — | — | — | — | ENE 3 | NE 6 | NE 8 | NE 9 |
| kJ | 67 | 940 | 3587 | 4922 | 6883 | — | 158 | 1395 | 2080 | 993 | 514 | 110 | 57 | — | — | — | — | 8 | 528 | 1731 | 2350 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 545 | 700 | 545 | 451 | 545 | 451 | 683 | 545 | 545 | 415 | 397 | 33 | 365 | 137 | 137 | 845 | 14 | 14 | 700 | 847 | 415 |
Best forecast wave conditions in South Taiwan | |||||||||||||||||||||
Best forecast wave conditions in Taiwan | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Chialoshui surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Chialoshui Surf forecast
The above surf forecast table for Chialoshui provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Chialoshui can be found by selecting the local surf guide option on the grey menu. Our Chialoshui surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Chialoshui) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Chialoshui may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Chialoshui is 8 km (5 miles) from Changlotsun. If you plan a holiday in South Taiwan, look for hotels and other accommodation in Changlotsun. Changlotsun has rooms for a wide range of budgets as well as car hire and transport links.
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