What time is high tide at Waiao Beach on September 9, 2026?

High tides at Waiao Beach on September 9, 2026: 04:49 (times shown in Asia/Taipei).

What is the Ocean Viewing Index (OVI) for Waiao Beach?

OVI is a 0-100 composite score combining sea color, water clarity, visibility, sea conditions, sunlight and water quality to help you decide if the sea is worth seeing today.

Waiao Beach

Yilan, TaiwanAsia/Taipei

Ocean View Index

75Good

Next tide

20:49High Tide

Sunrise / Sunset

21:49 – 10:17

Local time

01:49

Waiao Beach in Yilan, a black-sand surf mecca by Wushi Harbor with views of Guishan Island.

Ocean Viewing Index

Updated · Sep 8, 2026 17:49

Reference time: local noon · 12:03 (Asia/Taipei)

Estimated

Good

Good conditions. Worth a visit.

Sub-Index Breakdown

Six dimensions feed the overall Ocean Viewing Index.

Sea Color
Vivid turquoise / azure · hue
81.9
Clarity
Very clear (below 1.5 NTU) · NTU
100
Visibility
Under 8 m · m
22
Sea State
Calm, glassy (0-1) · Beaufort
84.8
Lighting
Golden hour, optimal · lux
100
Water Quality
index
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Weather Forecast

7-day marine weather forecast from Open-Meteo model.

TodaySep 8

Light Rain

30°22°

2.2 m/s

0.9mm

WedSep 9

Light Rain

30°23°

1.9 m/s

0.8mm

ThuSep 10

Light Rain

29°24°

1.9 m/s

4.4mm

FriSep 11

Light Rain

29°25°

2.0 m/s

6.1mm

SatSep 12

Thunderstorm

29°25°

2.1 m/s

8.1mm

SunSep 13

Light Rain

30°25°

1.5 m/s

3.7mm

MonSep 14

Light Rain

29°24°

1.8 m/s

3.2mm

Visibility: 20 km·Cloud: 11%

48-Hour Hourly Forecast

Hour-by-hour marine weather for the next 48 hours.

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7-Day OVI Trend

Forecast ocean viewing conditions for the coming week.

Best on Wed: Viewing conditions are Excellent; aim for the golden hour just after sunrise or before sunset. Great for snorkeling and photography.

High & Low Tides Today

Times and heights of today's high and low water.

Spring TideCoefficient: 116.4 / 120Higher coefficient means larger tide range; 120 is the largest spring, 20 the smallest neap.

Time	Type	Height
20:49	High	0.57 m

48-Hour OVI Trend

Hour-by-hour ocean viewing outlook for the next 48 hours, dampened by rainfall.

Today's Tide Summary

A quick look at the day's high and low water.

High Tide

20:49

0.57 m

Nearby Beaches

Other beaches closest to Waiao Beach.

33 km away

Heping Island Park

Keelung, Taiwan

55 km away

Tamsui Fisherman's Wharf

New Taipei, Taiwan

96 km away

Qixingtan Beach

Hualien, Taiwan

198 km away

Sanxiantai

Taitung, Taiwan

Frequently asked questions

What time is high tide at Waiao Beach on September 9, 2026?: High tides at Waiao Beach on September 9, 2026: 04:49 (times shown in Asia/Taipei).
What is the Ocean Viewing Index (OVI) for Waiao Beach?: OVI is a 0-100 composite score combining sea color, water clarity, visibility, sea conditions, sunlight and water quality to help you decide if the sea is worth seeing today.

Essential Information

Coordinates: 24.8656°, 121.8331°
Timezone: Asia/Taipei
Region & Country: Yilan, Taiwan

Data sources

Tides: UHSLC / FES2022b · Weather: NOAA GFS · Sea color: NASA MODIS/VIIRS