Surf Forecasts:
Chialoshui surf forecast from 25 Jun 2026:
- Best quality surf: Saturday 27 Jun, 2AM (local time) - 4ft (1.2m), 8s period, SW swell with offshore winds.
- Most powerful swell: Friday 26 Jun, 5AM (local time) - 5ft (1.6m), 7s period, SW swell with 262 kJ wave energy.
- Next surfable swell (1★+): Saturday 27 Jun, 2AM (local time) - 4ft (1.2m), 8s period with SW 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 Saturday (Jun 27) at 2AM. The primary swell is predicted to be 1.2m and 8s period with a secondary swell of 0.5m and 7s. Another secondary swell of 0.2m and 11s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Chialoshui in the next 16 days are 1.6m 7s and forecast to arrive on Friday (Jun 26) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 7s period and expected on Thursday (Jun 25) at 8PM.
| Wave Type | Time (CST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sat 27th Jun) | 4ft (1.2m) 8s |
| Best Surf | 2AM (Sat 27th Jun) | 4ft (1.2m) 8s |
| Most Powerful | 5AM (Fri 26th Jun) | 5ft (1.6m) 7s |
Table - best surf conditions forecast for Chialoshui over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 67mm), heaviest during Sat night. Warm (max 30°C on Thu afternoon, min 26°C on Sat afternoon). Winds decreasing (strong winds from the W on Thu afternoon, light winds from the SW by Sun morning). | Days 5-7 Weather SummaryModerate rain (total 18mm), heaviest on Sun afternoon. Warm (max 29°C on Mon afternoon, min 25°C on Sun afternoon). Wind will be generally light. | ||||||||||||||||||||
Thu 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 1 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | ENE 9 | SW 7 | SSW 8 | SSW 8 | SW 8 | S 6 | SSW 7 | SSW 7 | SSW 8 | SW 8 | SSW 7 | SW 7 | SSW 7 | SSW 7 | E 10 | E 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 154 | 251 | 178 | 150 | 164 | 39 | 48 | 83 | 74 | 116 | 70 | 56 | 57 | 37 | 47 | 48 | 49 | 64 | 65 | 62 | 55 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | off | off | off | off | off | off | glassy | cross-off | cross-off | glassy | cross | cross-off | cross-off | cross-off | cross | cross | cross-on |
High Tide | 3:50PM0.94m | 3:10AM1.32m | 4:48PM0.96m | 3:52AM1.37m | 5:32PM0.99m | 4:31AM1.42m | 6:10PM1.02m | 5:10AM1.47m | 6:44PM1.03m | 5:48AM1.50m | 7:17PM1.04m | 6:24AM1.52m | 7:48PM1.04m | 7:00AM1.52m | |||||||
Low Tide | 8:37PM0.69m | 10:25AM0.33m | 9:26PM0.70m | 11:06AM0.26m | 10:10PM0.70m | 11:44AM0.20m | 10:51PM0.68m | 12:20PM0.16m | 11:29PM0.65m | 12:55PM0.14m | 00:05AM0.63m | 1:29PM0.14m | 00:41AM0.61m | ||||||||
 |  | | | |  | | | |  |  |  | | |  | | |  |  |  | | |
 | — | — | 5:13 | — | — | 5:15 | — | — | 5:15 | — | — | 5:15 | — | — | 5:15 | — | — | 5:16 | — | — | 5:16 |
 | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — | 6:44 | — | 6:44 |
mm | 1 | 5 | 1 | 1 | 2 | 3 | 15 | 35 | 4 | 10 | — | — | 2 | 4 | 1 | 1 | — | — | — | 2 | — |
Temp °C | 30 | 29 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
Feels °C | 28 | 28 | 27 | 27 | 28 | 27 | 27 | 26 | 28 | 27 | 32 | 32 | 32 | 34 | 32 | 33 | 34 | 33 | 31 | 33 | 33 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | ENE 8 | SSW 8 | SSW 8 | NE 7 | S 6 | SSW 7 | SSW 7 | SSW 8 | E 9 | SSW 7 | SW 7 | E 8 | SSW 7 | SW 7 | E 10 | SSE 5 | ESE 9 | ESE 9 | ESE 9 | ESE 8 |
| kJ | 154 | 44 | 178 | 150 | 24 | 39 | 48 | 83 | 74 | 42 | 70 | 56 | 11 | 37 | 27 | 48 | 17 | 64 | 65 | 62 | 55 |
Swell 2 Height (m) Direction Period (s) | SSW 8 | SSE 8 | NE 7 | NE 7 | ESE 11 | NE 7 | ESE 11 | E 10 | E 10 | NE 8 | ESE 9 | NE 7 | SE 10 | ESE 9 | SE 5 | SW 8 | ESE 9 | SW 8 | SW 8 | SW 8 | SW 8 |
| kJ | 22 | 6 | 24 | 19 | 11 | 14 | 43 | 75 | 65 | 24 | 25 | 14 | 27 | 26 | 10 | 28 | 49 | 14 | 20 | 20 | 21 |
Swell 3 Height (m) Direction Period (s) | SE 8 | ESE 11 | SSE 8 | SSE 8 | SSE 7 | ESE 10 | NE 8 | NE 8 | NE 9 | E 16 | NE 8 | E 8 | NE 7 | NNE 7 | E 10 | NE 7 | SW 7 | E 14 | E 14 | E 14 | E 13 |
| kJ | 11 | 11 | 6 | 6 | 5 | 20 | 14 | 15 | 38 | 5 | 14 | 12 | 8 | 4 | 47 | 2 | 19 | 4 | 4 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | WSW 7 | SW 7 | W 4 | W 4 | SW 8 | SW 7 | WSW 7 | — | WSW 3 | SW 8 | — | — | SSW 7 | SSE 4 | — | SE 4 | SSE 5 | SE 5 | SSE 5 | SSE 5 | SSE 4 |
| kJ | 191 | 251 | 22 | 10 | 164 | 119 | 70 | — | 3 | 116 | — | — | 57 | 9 | — | 21 | 20 | 11 | 19 | 12 | 10 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 137 | 137 | 33 | 33 | 0 | 33 | 137 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 305 | 0 | 0 | 0 | 137 | 33 | 137 |
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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