Sea View — Grenen Beach

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

Ocean Viewing Index

Updated · Oct 24, 2026 00:19

Reference time: local noon · 13:01 (Europe/Copenhagen)

Estimated
48
Poor

Poor conditions today. Consider rescheduling.

Sub-Index Breakdown

Six dimensions feed the overall Ocean Viewing Index.

  • Sea Color
    Clear blue-green · hue
    68.5
  • Clarity
    Moderately clear · NTU
    72.8
  • Visibility
    Under 8 m · m
    22.8
  • Sea State
    Choppy (4+) · Beaufort
    34.8
  • Lighting
    Low / harsh light · lux
    28.2
  • Water Quality
    index
    —

Sea Color

Observed Oct 24, 2026

Climatology
Blue-Green
#0284c7
Turbidity
7.80 NTU
Chlorophyll
1.02 mg/m³

FU=6, hue=144.4°, Kd490=0.217

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

Cloudy/hazy conditions darken the apparent color

Noon13:01
Natural sea color
#0284c7

Cloudy/hazy conditions darken the apparent color

Afternoon15:00
Deep blue
#1e5fa8

Cloudy/hazy conditions darken the apparent color

Dusk18:00
Deep indigo (low light)
#1e5fa8

Cloudy/hazy conditions darken the apparent color

Local noon · 13:01 (Europe/Copenhagen)

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.

7-Day Sub-Index Forecast

Six dimensions of ocean viewing quality over the coming week.

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