Sea View — Ruissalo Beach

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

Ocean Viewing Index

Updated · Oct 25, 2026 02:11

Reference time: local noon · 12:15 (Europe/Helsinki)

Estimated
66
Good

Good conditions. Worth a visit.

Sub-Index Breakdown

Six dimensions feed the overall Ocean Viewing Index.

  • Sea Color
    Muted color · hue
    58.1
  • Clarity
    Turbid · NTU
    35.4
  • Visibility
    15+ m horizontal · m
    100
  • Sea State
    Light breeze (2-3) · Beaufort
    67.4
  • Lighting
    Good daylight · lux
    78.5
  • Water Quality
    index
    —

Sea Color

Observed Oct 25, 2026

Climatology
Blue-Green
#0d9488
Turbidity
4.80 NTU
Chlorophyll
1.66 mg/m³

FU=8, hue=108.2°, Kd490=0.352

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

Noon12:15
Natural sea color
#0d9488

Cloudy/hazy conditions darken the apparent color

Afternoon15:00
Deep blue
#0284c7

Cloudy/hazy conditions darken the apparent color

Dusk18:00
Deep indigo (low light)
#0284c7

Cloudy/hazy conditions darken the apparent color

Local noon · 12:15 (Europe/Helsinki)

7-Day OVI Trend

Forecast ocean viewing conditions for the coming week.

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