Surf Forecasts:
Chialoshui surf forecast from 20 Sep 2026:
- Best quality surf: Sunday 27 Sep, 5AM (local time) - 10ft (3.0m), 15s period, E swell with cross-shore winds.
- Most powerful swell: Sunday 27 Sep, 2PM (local time) - 11ft (3.5m), 16s period, E swell with 6,275 kJ wave energy.
- Next surfable swell (1★+): Sunday 27 Sep, 5AM (local time) - 10ft (3.0m), 15s period with E 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 Sunday (Sep 27) at 5AM. The primary swell is predicted to be 3.0m and 15s period. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Chialoshui in the next 16 days are 3.5m 16s and forecast to arrive on Sunday (Sep 27) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 8s period and expected on Monday (Sep 21) at 11AM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sun 27th Sep) | 10ft (3.0m) 15s |
| Best Surf | 5AM (Sun 27th Sep) | 10ft (3.0m) 15s |
| Most Powerful | 2PM (Sun 27th Sep) | 11ft (3.5m) 16s |
Table - best surf conditions forecast for Chialoshui over the next 16 days.
Short Range ForecastSome drizzle, heaviest during Sun night. Warm (max 28°C on Sun afternoon, min 26°C on Sun night). Mainly fresh winds. | Days 5-7 Weather SummaryMostly dry. Warm (max 28°C on Wed afternoon, min 26°C on Wed night). Mainly fresh winds. | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | ||||||||||||||
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) | ENE 15 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 12 | NE 11 | ENE 11 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | NE 4 | NE 4 | ESE 14 | ESE 14 | ESE 14 | E 15 |
Wave Graph  | ||||||||||||||||||||
 kJ | 935 | 1285 | 1787 | 1672 | 638 | 280 | 676 | 94 | 71 | 92 | 92 | 73 | 70 | 59 | 26 | 17 | 346 | 815 | 1399 | 3770 |
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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:15AM1.15m | 4:21PM0.92m | 2:41AM1.21m | 4:34PM1.00m | 3:37AM1.30m | 4:53PM1.08m | 4:20AM1.38m | 5:13PM1.17m | 4:59AM1.44m | 5:36PM1.26m | 5:37AM1.47m | 5:59PM1.35m | ||||||||
Low Tide | 9:21AM0.44m | 8:22PM0.82m | 10:02AM0.36m | 9:27PM0.71m | 10:34AM0.30m | 10:10PM0.59m | 11:01AM0.25m | 10:48PM0.47m | 11:28AM0.23m | 11:24PM0.34m | 11:54AM0.23m | 00:00AM0.24m | ||||||||
 |  |  | |  | | |  | | | | | | | | | | | | | |
 | — | — | 5:43 | — | — | 5:43 | — | — | 5:45 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — |
 | 5:54 | — | — | 5:53 | — | — | 5:52 | — | — | 5:52 | — | — | 5:51 | — | — | 5:50 | — | — | 5:49 | — |
mm | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 27 | 28 | 26 | 27 | 27 | 27 | 27 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 |
Feels °C | 31 | 28 | 29 | 30 | 25 | 26 | 26 | 26 | 27 | 28 | 26 | 28 | 28 | 27 | 30 | 31 | 29 | 32 | 32 | 29 |
Swell 1 Height (m) Direction Period (s) | ENE 15 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 12 | SE 10 | ENE 11 | ESE 9 | ENE 12 | ENE 11 | ENE 11 | ESE 9 | ENE 10 | ENE 10 | ENE 9 | ESE 14 | ESE 14 | ESE 14 | E 15 |
| kJ | 935 | 1285 | 1787 | 1672 | 638 | 280 | 4 | 78 | 8 | 14 | 12 | 23 | 8 | 19 | 19 | 17 | 346 | 815 | 1399 | 3770 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SE 8 | SE 8 | S 8 | SSW 7 | SW 7 | SW 6 | SE 10 | E 10 | ESE 9 | ESE 9 | ESE 9 | S 7 | ESE 9 | ESE 9 | SSW 7 | ENE 9 | SSE 8 | ENE 10 | — |
| kJ | 6 | 2 | 2 | 5 | 5 | 2 | 2 | 4 | 2 | 8 | 8 | 8 | 1 | 8 | 8 | 5 | 17 | 7 | 9 | — |
Swell 3 Height (m) Direction Period (s) | — | — | S 8 | — | SE 10 | SE 10 | S 7 | S 6 | S 6 | E 10 | E 9 | — | S 7 | E 13 | SW 7 | ESE 9 | SSW 7 | E 12 | — | — |
| kJ | — | — | 1 | — | 4 | 4 | 1 | 1 | 1 | 2 | 2 | — | 1 | 3 | 2 | 7 | 4 | 3 | — | — |
Wind waves Height (m) Direction Period (s) | NE 6 | NE 6 | NE 8 | NE 6 | NE 5 | NE 5 | NE 11 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | NE 4 | NE 4 | NE 4 | NE 9 | NE 4 | NNE 5 |
| kJ | 60 | 136 | 151 | 80 | 114 | 86 | 676 | 94 | 71 | 92 | 92 | 73 | 70 | 59 | 26 | 16 | 25 | 70 | 14 | 61 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 16 | 338 | 700 | 682 | 338 | 700 | 458 | 318 | 700 | 699 | 305 | 700 | 682 | 305 | 829 | 682 | 14 | 14 | 14 | 14 |
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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