Chialoshui surfForecast / South / Taiwan

information circle12 Day Weather and Surf, issued 7 am Monday 29 Dec 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
26.0° C
(Which is 1.5°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 (Dec 30) at 5AM. The primary swell is predicted to be 1.3m and 9s period with a secondary swell of 0.9m and 7s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Chialoshui in the next 12 days are 4.5m 10s and forecast to arrive on Saturday (Jan 03) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 7s period and expected on Tuesday (Dec 30) at 2AM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Tue 30th Dec)4.5ft (1.3m) 9s
Best Surf 5AM (Tue 30th Dec)4.5ft (1.3m) 9s
Most Powerful 2AM (Sat 3rd Jan)15ft (4.5m) 10s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 23°C on Tue afternoon, min 21°C on Mon morning). Winds increasing (light winds from the NW on Tue morning, strong winds from the NE by Wed night).

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Thu afternoon. Warm (max 22°C on Thu morning, min 15°C on Fri night). Winds increasing (fresh winds from the NNE on Thu afternoon, near gales from the NE by Fri night).

Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.3
NE
2.2
NE
1.1
ESE
1.4
ESE
1.4
E
2.5
NE
2.3
NE
3
NE
3.5
NE
3.5
NE
4
NE
4
NE
4
NE
4.5
NE
4.5
NE
4
NE
3.5
NE
2.4
ENE
1.8
ENE
1.7
ENE
1.5
ENE
Period(s) (?)779998889999101010987777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5244751893333329095801341167816432350271733243662431426391559595306248200
Wind
(km/h)
30
NNE
25
NNE
10
NNW
5
N
15
NE
25
NNE
25
NNE
35
NE
40
NNE
35
NNE
35
NNE
45
NE
50
NE
55
NE
50
NE
45
NE
40
NE
35
NE
30
NE
25
NE
25
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
crosscross-
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
ononcross-
on
onon
High Tide
/ height (m)
1:13PM
1.25
2:17AM
0.99
2:11PM
1.35
3:46AM
1.00
3:07PM
1.46
4:54AM
1.04
4:01PM
1.57
5:49AM
1.07
4:52PM
1.67
6:35AM
1.09
5:41PM
1.72
7:18AM
1.10
6:28PM
1.74
Low Tide
/ height (m)
8:06PM
0.45
7:34AM
0.61
9:21PM
0.29
8:38AM
0.66
10:23PM
0.14
9:37AM
0.67
11:17PM
0.01
10:31AM
0.65
12:07AM
-0.07
11:20AM
0.61
12:53AM
-0.09
12:06PM
0.57
1:37AM
-0.06
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
Sunrise6:33--6:33--6:33--6:35--6:35--6:35--6:35--
Sunset-5:22--5:22--5:22--5:23--5:23--5:24--5:25-
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
cloud
cloud
cloud
part cloud
cloud
part cloud
rain showers
part cloud
clear
light rain
Rain (mm)
----------1------2--3
Temp. °C222222222323222222222120181716161817181919
Feels °C (?)1819192324202018161717149757109131414
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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