Surf Forecasts:
Chialoshui surf forecast from 31 Aug 2026:
- Best quality surf: Monday 31 Aug, 8PM (local time) - 10ft (3.0m), 10s period, SSW swell with offshore winds.
- Most powerful swell: Wednesday 2 Sep, 11PM (local time) - 11ft (3.5m), 11s period, SSW swell with 3,288 kJ wave energy.
- Next surfable swell (1★+): Monday 31 Aug, 8PM (local time) - 10ft (3.0m), 10s period with SSW 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 Monday (Aug 31) at 8PM. The primary swell is predicted to be 3.0m and 10s period with a secondary swell of 0.5m and 12s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Chialoshui in the next 16 days are 3.5m 11s and forecast to arrive on Wednesday (Sep 02) at 11PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 12s period and expected on Wednesday (Sep 02) at 8AM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Mon 31st Aug) | 10ft (3.0m) 10s |
| Best Surf | 8PM (Mon 31st Aug) | 10ft (3.0m) 10s |
| Most Powerful | 11PM (Wed 2nd Sep) | 11ft (3.5m) 11s |
Table - best surf conditions forecast for Chialoshui over the next 16 days.
Short Range ForecastHeavy rain (total 154mm), heaviest during Mon afternoon. Warm (max 28°C on Tue afternoon, min 26°C on Mon afternoon). Winds increasing (moderate winds from the SW on Mon afternoon, strong winds from the SW by Tue morning). | Days 5-7 Weather SummaryHeavy rain (total 38mm), heaviest during Sun morning. Warm (max 29°C on Fri morning, min 24°C on Sun morning). Mainly fresh winds. | |||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||
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) | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 11 | SSW 10 | SSW 11 | SSW 11 | SSW 10 | SSW 9 | SW 9 | SSW 9 | SW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 10 | NE 10 | NE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 998 | 1267 | 2018 | 1773 | 2644 | 1620 | 3049 | 2581 | 697 | 508 | 586 | 286 | 216 | 113 | 93 | 76 | 67 | 117 | 134 | 102 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | cross-off |
High Tide | 8:00PM1.38m | 8:22AM1.30m | 8:31PM1.40m | 9:06AM1.16m | 9:06PM1.40m | 10:01AM1.01m | 9:50PM1.38m | 11:25AM0.87m | 10:52PM1.34m | 1:57PM0.82m | 00:24AM1.31m | 3:47PM0.90m | 2:04AM1.36m | |||||||
Low Tide | 2:13AM0.27m | 2:18PM0.38m | 2:59AM0.28m | 2:46PM0.48m | 3:55AM0.33m | 3:15PM0.59m | 5:08AM0.38m | 3:50PM0.69m | 6:51AM0.39m | 4:53PM0.78m | 8:37AM0.32m | 7:14PM0.82m | ||||||||
 |  | |  | | | | |  | |  |  | | | | |  |  | | | |
 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — | 5:39 | — | — |
 | 6:14 | — | — | 6:13 | — | — | 6:13 | — | — | 6:12 | — | — | 6:10 | — | — | 6:09 | — | — | 6:08 | — |
mm | 38 | 57 | 17 | 7 | 9 | 8 | 10 | 8 | — | 1 | — | — | 5 | 6 | 6 | 3 | 1 | 16 | — | — |
Temp °C | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 29 | 29 | 28 | 28 | 28 | 27 | 25 | 28 | 27 |
Feels °C | 28 | 26 | 25 | 28 | 28 | 28 | 27 | 28 | 29 | 27 | 27 | 32 | 33 | 31 | 31 | 28 | 25 | 26 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | ENE 12 | ENE 11 | E 11 | ENE 10 | ENE 10 | WSW 11 | ENE 10 | SSW 11 | ENE 9 | ENE 12 | SSW 9 | ENE 10 | ENE 10 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 10 | SSW 8 | NE 8 |
| kJ | 78 | 43 | 57 | 72 | 77 | 200 | 106 | 1412 | 69 | 77 | 300 | 158 | 90 | 113 | 93 | 76 | 67 | 117 | 111 | 102 |
Swell 2 Height (m) Direction Period (s) | — | — | — | E 11 | E 16 | ENE 10 | — | ENE 10 | SSE 9 | SSE 9 | ENE 11 | SE 9 | SE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | NE 8 | NE 10 | SSW 8 |
| kJ | — | — | — | 2 | 5 | 104 | — | 102 | 30 | 31 | 161 | 23 | 20 | 64 | 32 | 32 | 33 | 73 | 134 | 67 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | E 15 | — | — | SSE 9 | ENE 9 | SSE 9 | E 18 | NNE 7 | SE 8 | NE 8 | NE 8 | NE 8 | SE 8 | SE 8 | ENE 12 |
| kJ | — | — | — | — | — | 4 | — | — | 31 | 25 | 32 | 6 | 5 | 18 | 18 | 17 | 16 | 16 | 15 | 51 |
Wind waves Height (m) Direction Period (s) | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 11 | SSW 10 | SSW 11 | SSW 11 | SSW 10 | SSW 9 | SW 9 | SSW 9 | SW 8 | W 3 | WSW 3 | W 3 | WSW 2 | SW 8 | — | — |
| kJ | 998 | 1267 | 2018 | 1773 | 2644 | 1620 | 3049 | 2581 | 697 | 508 | 586 | 286 | 216 | 3 | 3 | 8 | 1 | 86 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 33 | 397 | 137 | 137 | 137 | 318 | 318 | 137 | 397 | 137 | 0 | 0 | 14 | 14 | 67 | 829 | 519 | 33 | 33 | 0 |
Best forecast wave conditions in South Taiwan | ||||||||||||||||||||
Best forecast wave conditions in Taiwan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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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