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Surf Forecasts:

Chialoshui surfForecast / South / Taiwan

information circle12 Day Weather and Surf, issued 7 pm Tuesday 16 Sep 2025 CST
Forecast update in hr  min  s Forecast update imminent
Chialoshui surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Chialoshui sea temperature is
29.9° C
 (Which is 1.4°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Chialoshui this week:

The surf forecast for Chialoshui over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 23) at 11PM. The primary swell is predicted to be 6.0m and 14s period with a secondary swell of 5.0m and 14s. The wind is predicted to be onshore as the swell arrives.

The most powerful waves expected at Chialoshui in the next 12 days are 6.0m 14s and forecast to arrive on Wednesday (Sep 24) at 2AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Tuesday (Sep 23) at 2AM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 23rd Sep)20ft (6.0m) 14s
Best Surf11PM (Tue 23rd Sep)20ft (6.0m) 14s
Most Powerful 2AM (Wed 24th Sep)20ft (6.0m) 14s

Table - best surf conditions forecast for Chialoshui over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 137mm), heaviest during Fri morning. Warm (max 29°C on Tue night, min 25°C on Thu afternoon). Mainly fresh winds.

Days 3-6 Weather Summary Heavy rain (total 50mm), heaviest during Sat afternoon. Warm (max 29°C on Sun morning, min 25°C on Fri night). Winds increasing (light winds from the E on Sat afternoon, fresh winds from the NNE by Mon afternoon).

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tue
23
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
E
1.2
E
1.2
E
1.3
E
1.6
ENE
1.5
E
1.4
ESE
0.9
E
0.8
E
1
SSW
1
SSW
1
SSW
0.7
E
0.8
E
0.8
E
0.9
E
1.7
NE
1.4
E
3
ENE
3.5
E
4
ESE
Period(s) (?)777656788777109911613131414
Wave
Graph
(?)Metric surfscale
Energy (?)2301941781752302612201671661671741501581711832934321142357651367297
Wind
(km/h)
30
NE
30
ENE
25
ENE
25
ENE
35
ENE
35
ENE
35
ENE
25
ENE
10
E
15
ENE
15
ENE
10
E
15
E
25
NE
20
NNE
25
NNE
15
N
35
NNE
45
N
80
NE
75
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononononononononononononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
1:58AM
1.30
4:32PM
0.98
3:17AM
1.36
4:58PM
1.06
4:13AM
1.42
5:21PM
1.14
4:58AM
1.47
5:44PM
1.21
5:36AM
1.48
6:07PM
1.28
6:11AM
1.46
6:29PM
1.34
6:45AM
1.40
6:52PM
1.38
Low Tide
/ height (m)
9:45AM
0.28
9:01PM
0.76
10:32AM
0.23
10:01PM
0.64
11:07AM
0.20
10:45PM
0.52
11:36AM
0.20
11:23PM
0.41
12:02PM
0.23
11:58PM
0.32
12:26PM
0.27
12:31AM
0.26
12:48PM
0.32
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tue
23
Sunrise-5:43--5:43--5:43--5:43--5:43--5:43--5:45-
Sunset--5:58--5:57--5:55--5:54--5:53--5:52--5:52
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
heavy rain
mod rain
thunderstorm
rain showers
clear
rain showers
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
113110311473417178193-11-122234
Temp. °C292929282826262525252626282929282929292827
Feels °C (?)302929282725252527282830292930273130272116
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for South

  1. weather stationWind Update Continuing clean conditions at Chialoshui (light winds from the WSW at Kaohsiung International Airport 82 km from Chialoshui). 1.3m 5s windswell from the ENE with a 0.3m 14s groundswell, also from the ENE. 2 swells combining to make bigger set waves.

    1 hour 34 minutes ago Chialoshui
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FREE! Surf-Forecast.com widget for your website

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.

View detailed surf forecast for Chialoshui at:
surf-forecast.com

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 12 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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