What is the Ocean Viewing Index (OVI) for Aimen 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.

When is the best time to visit Aimen Beach for sea views?

Start with the current and 7-day OVI forecast for Aimen Beach, then choose a daylight period that also fits your plan. If you want tide pools, exposed shore, or a tide-dependent walk, check the local high and low tide times as well.

Should I use tide times or OVI for a visit to Aimen Beach?

Use tide times when your visit depends on water level, such as a sandbar, tide pool, or exposed rocks. Use OVI to compare likely sightseeing conditions including sea appearance, visibility, sea state, and lighting. For a coastal trip, read both together.

Aimen Beach Tides & Ocean Viewing Index

Penghu, TaiwanAsia/Taipei

Ocean View Index

58Fair

Next tide

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Sunrise / Sunset

22:02 – 09:29

Local time

07:49

Aimen Beach in Penghu, a shell-sand beach near Magong with rich tidal flats and shallow paddling.

Ocean Viewing Index

Updated · Oct 23, 2026 21:51

Reference time: local noon · 11:46 (Asia/Taipei)

Estimated

Fair

Fair conditions. Sea color may appear muted.

Sub-Index Breakdown

Six dimensions feed the overall Ocean Viewing Index.

Sea Color
Vivid turquoise / azure · hue
82.1
Clarity
Very clear (below 1.5 NTU) · NTU
100
Visibility
Under 8 m · m
41.1
Sea State
Choppy (4+) · Beaufort
4.8
Lighting
Low / harsh light · lux
42
Water Quality
index
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Weather Forecast

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

TodayOct 23

Light Rain

27°24°

18.2 m/s

1.1mm

SatOct 24

Light Rain

26°25°

4.1 m/s

0.4mm

SunOct 25

Clear

26°25°

5.3 m/s

MonOct 26

Clear

25°25°

10.1 m/s

TueOct 27

Partly Cloudy

25°24°

14.6 m/s

WedOct 28

Clear

25°24°

12.6 m/s

ThuOct 29

Overcast

25°24°

7.7 m/s

Visibility: 16 km·Cloud: 94%

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 Sun: 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.

Mixed TideCoefficient: 77.6 / 120Higher coefficient means larger tide range; 120 is the largest spring, 20 the smallest neap.

Time	Type	Height
No tide extremes recorded today.

Fishing & Surf Forecast

Solunar feeding times and today's surf rating.

70Very Good59FairView full forecast

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.

Best Months to Visit

Average Ocean Viewing Index by month over the past year.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Based on historical climatology (Pitarch 2021)

Nearby Beaches

Other beaches closest to Aimen Beach.

94 km away

Golden Coast

Tainan, Taiwan

126 km away

Cijin Beach

Kaohsiung, Taiwan

191 km away

Sanxiantai

Taitung, Taiwan

213 km away

Qixingtan Beach

Hualien, Taiwan

Frequently asked questions

What is the Ocean Viewing Index (OVI) for Aimen 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.
When is the best time to visit Aimen Beach for sea views?: Start with the current and 7-day OVI forecast for Aimen Beach, then choose a daylight period that also fits your plan. If you want tide pools, exposed shore, or a tide-dependent walk, check the local high and low tide times as well.
Should I use tide times or OVI for a visit to Aimen Beach?: Use tide times when your visit depends on water level, such as a sandbar, tide pool, or exposed rocks. Use OVI to compare likely sightseeing conditions including sea appearance, visibility, sea state, and lighting. For a coastal trip, read both together.

Essential Information

Coordinates: 23.5644°, 119.5944°
Timezone: Asia/Taipei
Region & Country: Penghu, Taiwan

Data sources

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