What is the Ocean Viewing Index (OVI) for Koror Rock Islands?

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 Koror Rock Islands for sea views?

Start with the current and 7-day OVI forecast for Koror Rock Islands, 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 Koror Rock Islands?

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.

Koror Rock Islands Tides & Ocean Viewing Index

Koror, PalauPacific/Palau

Ocean View Index

94Excellent

Next tide

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Sunrise / Sunset

20:49 – 08:44

Local time

07:49

Koror Rock Islands in Palau, a lagoon dotted with hundreds of mushroom-shaped limestone islets, a World Heritage site.

Ocean Viewing Index

Updated · Oct 23, 2026 21:55

Reference time: local noon · 11:47 (Pacific/Palau)

Estimated

Excellent

Excellent viewing conditions. Highly recommended!

Sub-Index Breakdown

Six dimensions feed the overall Ocean Viewing Index.

Sea Color
Vivid turquoise / azure · hue
95.4
Clarity
Very clear (below 1.5 NTU) · NTU
100
Visibility
15+ m horizontal · m
100
Sea State
Calm, glassy (0-1) · Beaufort
81.9
Lighting
Golden hour, optimal · lux
100
Water Quality
index
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Weather Forecast

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

TodayOct 23

Light Rain

30°28°

2.9 m/s

1.7mm

SatOct 24

Light Rain

29°28°

2.9 m/s

1.3mm

SunOct 25

Light Rain

29°26°

2.6 m/s

3.9mm

MonOct 26

Rain

29°26°

1.6 m/s

4.0mm

TueOct 27

Light Rain

29°28°

2.5 m/s

1.9mm

WedOct 28

Light Rain

29°27°

2.0 m/s

2.7mm

ThuOct 29

Light Rain

29°27°

1.0 m/s

4.5mm

Visibility: 29 km·Cloud: 64%

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 Thu: 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.

80Excellent85EpicView 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 Koror Rock Islands.

1179 km away

Mactan Beach

Cebu, Philippines

1353 km away

Tumon Bay Beach

Tumon, Guam

1454 km away

White Beach

Boracay, Philippines

1537 km away

Micro Beach

Saipan, Northern Mariana Islands

Frequently asked questions

What is the Ocean Viewing Index (OVI) for Koror Rock Islands?: 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 Koror Rock Islands for sea views?: Start with the current and 7-day OVI forecast for Koror Rock Islands, 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 Koror Rock Islands?: 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: 7.1569°, 134.2564°
Timezone: Pacific/Palau
Region & Country: Koror, Palau

Data sources

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