Sea View — Eurwangni Beach

Today's Ocean Viewing Index and the six sub-indices behind it.

Ocean Viewing Index

Updated · Sep 8, 2026 17:49

Reference time: local noon · 12:45 (Asia/Seoul)

Estimated
75
Good

Good conditions. Worth a visit.

Sub-Index Breakdown

Six dimensions feed the overall Ocean Viewing Index.

  • Sea Color
    Clear blue-green · hue
    63.8
  • Clarity
    Turbid · NTU
    31.4
  • Visibility
    15+ m horizontal · m
    100
  • Sea State
    Calm, glassy (0-1) · Beaufort
    100
  • Lighting
    Golden hour, optimal · lux
    99.4
  • Water Quality
    index

Sea Color

Observed Sep 8, 2026

Climatology
Blue-Green
#0891b2
Turbidity
4.50 NTU
Chlorophyll
1.77 mg/m³

FU=7, hue=122.6°, Kd490=0.377

Sea color through the day

The FU index represents the inherent color around local noon (closest to the true sea color); perceived color varies slightly by time of day with light and weather.

Morning08:00
Soft green-blue
#0d9488

Clear sky keeps apparent color close to natural

Noon12:45
Natural sea color
#0891b2

Clear sky keeps apparent color close to natural

Afternoon15:00
Deep blue
#2563eb

Clear sky keeps apparent color close to natural

Dusk18:00
Deep indigo (low light)
#2563eb

Clear sky keeps apparent color close to natural

Local noon · 12:45 (Asia/Seoul)

7-Day OVI Trend

Forecast ocean viewing conditions for the coming week.

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

7-Day Sub-Index Forecast

Six dimensions of ocean viewing quality over the coming week.

Sea Color
Tue
Wed
Thu
Fri
Sat
Sun
Mon
Sea color (Forel-Ule scale) — empty block means no verified data.