· Taiwan time · Beginner criteria
Display settingsm · m/s
Compare the estimated breaking-wave face with a roughly 170 cm adult.
Numeric wave heights are model significant wave height (Hs). The body scale estimates breaking-wave face height. Display settings do not change the assessment.
Tide m · Temperature °C · Distance km · Period s
Changes apply immediately and are remembered in this browser.
Yilan
Choushui conditions on this date
- Wave Hs
- 1.4–1.9 m
- Period
- 7 s
- Wind
- Not offshore
- Tide
- Rising · High 06:03
How to read the two heights: Hs is the model's significant wave height; metres and feet are two units for that same Hs height (1 ft = 0.3048 m). Breaking-wave face height is an engineering estimate that applies a period-aware nearshore shoaling factor to Hs, so it is usually larger. It is not a unit conversion or an on-site measurement.
Dangerous on this date: Waves too big. Stay out of the water.
This hour’s forecast
16:00 · Swell ENE
Why we say this
Verdict: dangerous, stay out of the water. Waves too big.
- DangerWaves too big
The forecast waves are over the safe ceiling for your level.
Use the image for the scene and the forecast for the trend
Camera: Wushi · 1.1 km (SW) from this spot; not a head-on view of this break.
📐 Cameras compress wave scale. Use the image for visibility and set timing; judge height again from shore.
Footage from: National Academy of Marine Research · Government Open Data License
Direction
Wind blows onto the shore, so the face gets messy.
This spot works best on ENE, E, ESE swell.
Onshore wind on this date, but the swell lines up.
Spot specs
- Type
- Point break
- Seabed
- Sand with some rock
- Best tide
- Low to Mid
- Level
- Intermediate +
Location
Navigate in Google MapsThe compass on the map shows the selected date’s swell and wind directions (solid arrows) and this spot's ideal swell and wind windows (dashed arcs). See the Direction card above for the interpretation.
Next 7 days
Hourly forecast (Sun)
Shared time axis · shaded band is the best window to paddle out
All four charts share one time axis · significant wave height Hs (m) · period (s) · wind (m/s) · tide (m) · arrows show where it comes from · the band marks the best window · tide uses CWA (unaffected by model) · slide or touch to read each hour.
Tide
海水浴場頭城 station · CWA
Hourly raw values
Hourly forecast (Sun) · Daylight 5:00–18:00 is the surfable window
| Time | 00 | 02 | 04 | 06 | 08 | 10 | 12 | 14 | 16 | 18 | 20 | 22 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wave Hsm | 2.2 | 2.1 | 2.0 | 1.8 | 1.7 | 1.6 | 1.6 | 1.5 | 1.5 | 1.4 | 1.3 | 1.3 |
| Periods | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 6.9 | 6.8 |
| Swell dir | 75° | 75° | 75° | 75° | 75° | 74° | 73° | 72° | 65° | 61° | 60° | 60° |
| Windm/s | 3.4 | 2.6 | 1.8 | 0.9 | 1.0 | 3.0 | 3.1 | 3.2 | 2.8 | 1.2 | 0.6 | 0.5 |
| Wind dir | 132° | 135° | 159° | 174° | 135° | 129° | 118° | 118° | 112° | 90° | 76° | 297° |
| Gustm/s | 8.0 | 7.3 | 5.9 | 4.0 | 4.3 | 7.9 | 8.9 | 8.7 | 7.1 | 3.7 | 2.5 | 1.4 |
| Weather | Rain | Rain | Rain | Cloudy | Clear | Cloudy | Cloudy | Cloudy | Cloudy | Cloudy | Cloudy | Cloudy |
| Tidem | -0.7 | -0.4 | 0.0 | 0.3 | 0.1 | -0.1 | -0.3 | 0.0 | 0.3 | 0.3 | 0.0 | -0.4 |
| Air°C | 22 | 22 | 21 | 21 | 24 | 26 | 26 | 26 | 25 | 23 | 22 | 22 |
| Sea°C | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| UV | 0 | 0 | 0 | 0 | 1 | 5 | 5 | 4 | 1 | 0 | 0 | 0 |
Significant wave height Hs (m) · period (s) · wind & gust (m/s) · arrows show where it comes from (green = suits, dim = unfavorable) · relative tide level (m) · air / sea temp (°C) · UV. Color is only a hint; numbers and arrows remain. Swipe to see all hours on mobile.
About Choushui
Choushui is an east-facing point break in Yilan. The bottom is sand with some rocks, and waves peel both left and right. It works best on east-northeast, east, or east-southeast swell with offshore winds from the west-southwest or west on a low to mid tide. Rated upper-intermediate, so it suits surfers with solid footing rather than first-timers.
Frequently asked questions
- Is Choushui good for beginners?
- Not really. Choushui is an intermediate spot, so it's better once you have some experience. Newer surfers should start somewhere easier first, then check this page's daily conditions score before deciding.
- When does Choushui work best?
- Choushui is usually cleanest on an ENE/E/ESE swell and a WSW/W wind. How good it actually gets still comes down to the day's wave height and period, so go by the hourly forecast on this page.
- How do I get to Choushui?
- Choushui sits on the coast in Yilan, Taiwan. Open Google Maps navigation straight from the spot map on this page to get there.
- Does Choushui have a live cam?
- Yes. This page embeds a live feed from National Academy of Marine Research at "Wushi" (about 1.1 km SW of Choushui) (not a direct view of this spot, for reference only), so you can check it against the current conditions. Cameras can distort wave scale. Cross-check the forecast and footage, and defer to conditions on site, official warnings, and local professionals before entering the water.
