Historical Lookback — Ruissalo Beach

Compare Ocean Viewing Index and tide patterns across the past 5 years.

Same Period: Oct

How this month has compared over recent years.

YearAvg OVIAvg Tide RangeObservations
202552.1—9
2026Current52.1—23

2026 — Year-to-Date

Monthly averages across all observations this year.

Jan 2026
72.1
Avg Tide Range: —
Feb 2026
62.1
Avg Tide Range: —
Mar 2026
49.3
Avg Tide Range: —
Apr 2026
46.1
Avg Tide Range: —
May 2026
53.8
Avg Tide Range: —
Jun 2026
59.1
Avg Tide Range: —
Jul 2026
47.4
Avg Tide Range: —
Aug 2026
51.1
Avg Tide Range: —
Sep 2026
56
Avg Tide Range: —
Oct 2026
52.1
Avg Tide Range: —

All Years Summary

YearMonths TrackedAvg OVIRange
2025358.752 – 72.1
20261054.946.1 – 72.1

OVI Sub-Indices History

Six dimensions of ocean viewing quality over time.

pitarch_climatology91 days · 2026-07-25 → 2026-10-23
Sea Color
Sea color (Forel-Ule scale) — empty block means no verified data.