Chialoshui surfForecast / South / Taiwan

information circle12 Day Weather and Surf, issued 1 pm Tuesday 08 Jul 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
30.0° C
(Which is slightly warmer than usual)


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 Wednesday (Jul 09) at 8AM. The primary swell is predicted to be 1.6m and 7s period with a secondary swell of 0.3m and 12s. Another secondary swell of 0.2m and 10s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Chialoshui in the next 12 days are 2.1m 8s and forecast to arrive on Thursday (Jul 10) 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 1.5m 5s period and expected on Monday (Jul 14) at 8AM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Wed 9th Jul)5ft (1.6m) 7s
Best Surf 8AM (Thu 10th Jul)6ft (1.8m) 8s
Most Powerful11PM (Thu 10th Jul)7ft (2.1m) 8s

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

Updates in  hr  min  s Forecast update imminent
Tue
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sun
20
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.8
SW
1.6
SW
1.4
SW
1.4
SW
1.5
SSW
1.4
SSW
1.6
SSW
1.5
SSW
1.5
SSW
1.4
SSW
1.3
SSW
1.3
SSW
1.2
SSW
1.1
SW
1.2
SW
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
1.1
SW
1.2
SW
0.8
SSW
0.9
SW
1.1
SW
0.5
SW
0.8
SSW
0.8
SSW
0.9
SW
0.6
E
0.6
E
0.6
E
0.6
E
0.7
SW
0.7
SW
0.8
SSW
1
ESE
Period(s) (?)877788888888888101010106677999981010101099119
Wave
Graph
(?)Metric surfscale
Energy (?)452323261250291293349318329267229229208199223282727271321488112323877154168177147131141135159158259317
Wind
(km/h)
40
W
40
WSW
30
W
30
WSW
20
WSW
15
WSW
30
SW
25
SW
25
SSW
30
SW
25
WSW
25
SW
30
WSW
30
WSW
30
W
35
W
40
W
45
W
40
W
35
W
35
WNW
35
WNW
30
WSW
35
W
30
W
30
WSW
30
W
20
W
15
SW
20
WSW
15
WSW
5
NNE
5
SW
0
ESE
10
ENE
10
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffoffoffoffoffcross-
off
offoffoffoffoffcross-
off
offcross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
offcross-
off
offoffoffcross-
off
offoffoffglassglassglassonon
High Tide
/ height (m)
5:40PM
0.99
4:35AM
1.44
6:17PM
1.02
5:16AM
1.50
6:51PM
1.04
5:55AM
1.56
7:24PM
1.06
6:34AM
1.58
7:56PM
1.08
7:14AM
1.58
8:30PM
1.10
7:54AM
1.54
9:05PM
1.13
8:37AM
1.46
9:42PM
1.16
9:25AM
1.35
10:23PM
1.19
10:21AM
1.20
11:09PM
1.23
11:33AM
1.06
12:04AM
1.28
1:10PM
0.95
1:06AM
1.33
Low Tide
/ height (m)
10:13PM
0.71
11:49AM
0.17
10:56PM
0.68
12:26PM
0.11
11:36PM
0.64
1:02PM
0.08
12:15AM
0.60
1:38PM
0.08
12:54AM
0.57
2:13PM
0.09
1:36AM
0.54
2:48PM
0.14
2:23AM
0.53
3:24PM
0.21
3:15AM
0.52
4:00PM
0.31
4:17AM
0.51
4:40PM
0.42
5:32AM
0.50
5:24PM
0.53
7:00AM
0.45
6:19PM
0.63
8:30AM
0.35
Tue
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sun
20
Sunrise--5:18--5:18--5:18--5:20--5:20--5:20--5:20--5:20--5:22--5:22--5:22--5:22
Sunset6:44--6:43--6:43--6:43--6:43--6:43--6:43--6:43--6:42--6:42--6:42--6:42--
thunderstorm thunderstorm thunderstorm mod rainthunderstorm thunderstorm mod rainthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm clearclearclearclearclearclearpart cloudthunderstorm thunderstorm thunderstorm part cloudcloudpart cloudclearclearclearclearclearclearthunderstorm thunderstorm thunderstorm thunderstorm clear
Rain (mm)
3788201910127712-------141---------1111-
Temp. °C292828282828272828282829292830302929292928282829302930302929302929292929
Feels °C (?)282728283030292930293030302930293028273027282929303131313432333434343434

Short Range Forecast: Heavy rain (total 94mm), heaviest during Thu morning. Warm (max 29°C on Tue afternoon, min 26°C on Thu night). Winds decreasing (strong winds from the W on Tue afternoon, light winds from the WSW by Thu morning).

Days 3-6 Weather Summary Moderate rain (total 10mm), heaviest on Fri afternoon. Warm (max 30°C on Sun morning, min 28°C on Fri afternoon). Winds increasing (moderate winds from the SW on Fri night, strong winds from the W by Mon morning).

Days 6-9 Weather Summary Light rain (total 6mm), mostly falling on Tue morning. Warm (max 30°C on Wed afternoon, min 28°C on Mon night). Winds decreasing (strong winds from the W on Mon afternoon, moderate winds from the WSW by Wed night).

Long Range Forecast: Light rain (total 4mm), mostly falling on Fri night. Warm (max 30°C on Thu afternoon, min 28°C on Thu night). Wind will be generally light.

  • Map Icons:
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  • 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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