Tide & Ocean Viewing Index

Know the seabefore you go

183 beaches · 43 countries/regions · live Ocean Viewing Index

183 Beaches tracked43 Countries & regionsToday's best OVI: Naminoue Beach · 92
  • Tide Predictions
  • Ocean View Index
  • Sea Color
  • 7-Day Forecast

Explore the Coastline

Filter the beach map by region and country to plan your next coastal trip.

Showing 183 beaches

Today's Top Picks

Highest-rated beaches by Ocean Viewing Index right now.

183 beaches tracked

Browse by Region

Browse curated beach cards by country — tide times, sea color and OVI at a glance.

Today's OVI Leaderboard

Top 10 beaches ranked by today’s Ocean Viewing Index.

  1. 1

    Naminoue Beach

    Okinawa, Japan

    92
  2. 2

    Perissa Beach

    Cyclades, Greece

    87
  3. 3

    Patong Beach

    Phuket, Thailand

    84
  4. 4

    Promenade des Anglais

    Alpes-Maritimes, France

    84
  5. 5

    Kuta Beach

    Bali, Indonesia

    83
  6. 6

    Cenang Beach

    Langkawi, Malaysia

    83
  7. 7

    My Khe Beach

    Da Nang, Vietnam

    79
  8. 8

    Haeundae Beach

    Busan, South Korea

    78
  9. 9

    White Beach

    Boracay, Philippines

    73
  10. 10

    Waikiki Beach

    Hawaii, United States

    67

Why Seaidx

A single platform fusing tides, ocean color and weather into one score.

Tide Prediction

Harmonic tide model with 30-day forecast, daily high/low times and lunar phase context.

Ocean Viewing Index

Six-dimension 0–100 score covering sea color, clarity, visibility, sea state, lighting and water quality.

Satellite Sea Color

MODIS / Sentinel-3 ocean-color retrieval translated to Forel-Ule hue, chlorophyll-a and Secchi depth.

Authoritative Data Sources

Powered by NASA Earthdata, Copernicus CMEMS, NOAA TPXO and ERA5 reanalysis — not guesses.

Planning a coastal sightseeing trip?

Tide times help when your beach plan depends on water level. The Ocean Viewing Index helps you compare likely sea color, clarity, visibility, sea state, and light for a scenic visit. Use both for a more complete plan.

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Pick a beach and get tide times, sea color and viewing conditions in one glance.

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