What is the Ocean Viewing Index (OVI) for Costa Smeralda?

OVI is a 0-100 composite score combining sea color, water clarity, visibility, sea conditions, sunlight and water quality to help you decide if the sea is worth seeing today.

When is the best time to visit Costa Smeralda for sea views?

Start with the current and 7-day OVI forecast for Costa Smeralda, then choose a daylight period that also fits your plan. If you want tide pools, exposed shore, or a tide-dependent walk, check the local high and low tide times as well.

Should I use tide times or OVI for a visit to Costa Smeralda?

Use tide times when your visit depends on water level, such as a sandbar, tide pool, or exposed rocks. Use OVI to compare likely sightseeing conditions including sea appearance, visibility, sea state, and lighting. For a coastal trip, read both together.

Costa Smeralda Tides & Ocean Viewing Index

Sardinia, ItalyEurope/Rome

Ocean View Index

87Excellent

Next tide

23:55High Tide

Sunrise / Sunset

05:42 – 16:29

Local time

23:55

Sardinia's Costa Smeralda dazzles with the clearest white sand, emerald seas, and top-tier yacht resorts in Europe.

Ocean Viewing Index

Updated · Oct 23, 2026 21:55

Reference time: local noon · 13:06 (Europe/Rome)

Estimated

Excellent

Excellent viewing conditions. Highly recommended!

Sub-Index Breakdown

Six dimensions feed the overall Ocean Viewing Index.

Sea Color
Vivid turquoise / azure · hue
92.4
Clarity
Very clear (below 1.5 NTU) · NTU
100
Visibility
15+ m horizontal · m
100
Sea State
Calm, glassy (0-1) · Beaufort
100
Lighting
Low / harsh light · lux
43.9
Water Quality
index
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Weather Forecast

7-day marine weather forecast from Open-Meteo model.

TodayOct 23

Overcast

24°16°

3.8 m/s

SatOct 24

Overcast

20°17°

7.4 m/s

SunOct 25

Overcast

22°17°

6.6 m/s

MonOct 26

Overcast

24°15°

3.2 m/s

TueOct 27

Fog

22°14°

1.3 m/s

WedOct 28

Fog

24°14°

2.5 m/s

ThuOct 29

Fog

22°13°

1.6 m/s

Visibility: 39 km·Cloud: 72%

48-Hour Hourly Forecast

Hour-by-hour marine weather for the next 48 hours.

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7-Day OVI Trend

Forecast ocean viewing conditions for the coming week.

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

High & Low Tides Today

Times and heights of today's high and low water.

Mixed TideCoefficient: 77.6 / 120Higher coefficient means larger tide range; 120 is the largest spring, 20 the smallest neap.

Time	Type	Height
23:55	High	1.59 m

Fishing & Surf Forecast

Solunar feeding times and today's surf rating.

80Excellent10Very PoorView full forecast

48-Hour OVI Trend

Hour-by-hour ocean viewing outlook for the next 48 hours, dampened by rainfall.

Today's Tide Summary

A quick look at the day's high and low water.

High Tide

23:55

1.59 m

Best Months to Visit

Average Ocean Viewing Index by month over the past year.

Jan

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Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

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Dec

Based on historical climatology (Pitarch 2021)

Nearby Beaches

Other beaches closest to Costa Smeralda.

335 km away

Pampelonne Beach

Var, France

337 km away

Monterosso Beach

Liguria, Italy

341 km away

Plage de la Croisette

Alpes-Maritimes, France

342 km away

Promenade des Anglais

Alpes-Maritimes, France

Frequently asked questions

What is the Ocean Viewing Index (OVI) for Costa Smeralda?: OVI is a 0-100 composite score combining sea color, water clarity, visibility, sea conditions, sunlight and water quality to help you decide if the sea is worth seeing today.
When is the best time to visit Costa Smeralda for sea views?: Start with the current and 7-day OVI forecast for Costa Smeralda, then choose a daylight period that also fits your plan. If you want tide pools, exposed shore, or a tide-dependent walk, check the local high and low tide times as well.
Should I use tide times or OVI for a visit to Costa Smeralda?: Use tide times when your visit depends on water level, such as a sandbar, tide pool, or exposed rocks. Use OVI to compare likely sightseeing conditions including sea appearance, visibility, sea state, and lighting. For a coastal trip, read both together.

Essential Information

Coordinates: 41.1200°, 9.5400°
Timezone: Europe/Rome
Region & Country: Sardinia, Italy

Data sources

Tides: UHSLC / FES2022b · Weather: NOAA GFS · Sea color: NASA MODIS/VIIRS