Sea View — Calais Beach

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

Ocean Viewing Index

Updated · Oct 25, 2026 00:16

Reference time: local noon · 12:36 (Europe/Paris)

Estimated
52
Fair

Fair conditions. Sea color may appear muted.

Sub-Index Breakdown

Six dimensions feed the overall Ocean Viewing Index.

  • Sea Color
    Muted color · hue
    52.7
  • Clarity
    Turbid · NTU
    5.3
  • Visibility
    15+ m horizontal · m
    100
  • Sea State
    Choppy (4+) · Beaufort
    17.8
  • Lighting
    Golden hour, optimal · lux
    86.7
  • Water Quality
    index
    —

Sea Color

Observed Oct 25, 2026

Climatology
Blue-Green
#0d9488
Turbidity
2.40 NTU
Chlorophyll
3.30 mg/m³

FU=9, hue=93.7°, Kd490=0.702

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
#16a34a

Cloudy/hazy conditions darken the apparent color

Noon12:36
Natural sea color
#0d9488

Cloudy/hazy conditions darken the apparent color

Afternoon15:00
Deep blue
#0891b2

Cloudy/hazy conditions darken the apparent color

Dusk18:00
Deep indigo (low light)
#0891b2

Cloudy/hazy conditions darken the apparent color

Local noon · 12:36 (Europe/Paris)

7-Day OVI Trend

Forecast ocean viewing conditions for the coming week.

Best on Sat: Viewing conditions are Fair; aim for the golden hour just after sunrise or before sunset. Good for a beach stroll and sea viewing.

7-Day Sub-Index Forecast

Six dimensions of ocean viewing quality over the coming week.

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