What is the Ocean Viewing Index (OVI) for Hakkeijima Sea Paradise?

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 Hakkeijima Sea Paradise for sea views?

Start with the current and 7-day OVI forecast for Hakkeijima Sea Paradise, 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 Hakkeijima Sea Paradise?

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.

Hakkeijima Sea Paradise Tides & Ocean Viewing Index

Kanagawa, JapanAsia/Tokyo

Ocean View Index

81Excellent

Next tide

23:16High Tide

Sunrise / Sunset

20:54 – 07:56

Local time

07:38

Hakkeijima Sea Paradise is Yokohama's marine theme island, where an impressive aquarium meets scenic amusement rides.

Ocean Viewing Index

Updated · Oct 23, 2026 22:16

Reference time: local noon · 11:25 (Asia/Tokyo)

Estimated

Excellent

Excellent viewing conditions. Highly recommended!

Sub-Index Breakdown

Six dimensions feed the overall Ocean Viewing Index.

Sea Color
Clear blue-green · hue
77.1
Clarity
Very clear (below 1.5 NTU) · NTU
100
Visibility
15+ m horizontal · m
100
Sea State
Calm, glassy (0-1) · Beaufort
93.3
Lighting
Low / harsh light · lux
37.3
Water Quality
index
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Weather Forecast

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

TodayOct 23

Light Rain

20°16°

2.3 m/s

1.2mm

SatOct 24

Rain

24°16°

2.4 m/s

17.9mm

SunOct 25

Heavy Rain

26°20°

2.9 m/s

67.3mm

MonOct 26

Rain

20°16°

4.8 m/s

72.6mm

TueOct 27

Light Rain

23°16°

3.2 m/s

3.0mm

WedOct 28

Light Rain

18°12°

3.9 m/s

0.3mm

ThuOct 29

Light Rain

15°12°

3.3 m/s

4.1mm

Visibility: 27 km·Cloud: 64%

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 Tue: 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
23:16	High	0.79 m

Fishing & Surf Forecast

Solunar feeding times and today's surf rating.

80Excellent61FairView 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

23:16

0.79 m

Best Months to Visit

Average Ocean Viewing Index by month over the past year.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Based on historical climatology (Pitarch 2021)

Nearby Beaches

Other beaches closest to Hakkeijima Sea Paradise.

9.2 km away

Yuigahama Beach

Kanagawa, Japan

15 km away

Katase Beach

Kanagawa, Japan

35 km away

Odaiba Beach

Tokyo, Japan

359 km away

Matsushima Bay

Miyagi, Japan

Frequently asked questions

What is the Ocean Viewing Index (OVI) for Hakkeijima Sea Paradise?: 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 Hakkeijima Sea Paradise for sea views?: Start with the current and 7-day OVI forecast for Hakkeijima Sea Paradise, 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 Hakkeijima Sea Paradise?: 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: 35.3397°, 139.6403°
Timezone: Asia/Tokyo
Region & Country: Kanagawa, Japan

Data sources

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