What is the Ocean Viewing Index (OVI) for Naminoue Beach?

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 Naminoue Beach for sea views?

Start with the current and 7-day OVI forecast for Naminoue Beach, 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 Naminoue Beach?

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.

Naminoue Beach Tides & Ocean Viewing Index

Okinawa, JapanAsia/Tokyo

Ocean View Index

93Excellent

Next tide

21:31High Tide

Sunrise / Sunset

21:25 – 09:53

Local time

03:31

Naminoue Beach is Naha's only swimming beach, tucked right in the heart of Okinawa's capital city.

Highlights

Okinawa's most accessible city beach, right beside Naha harbour.
Shrine-topped cliff above the sand gives the cove a distinctive skyline.
A convenient swim stop when combining the beach with Naha city sights.

Tip: Pair your visit with Naminoue Shrine on the bluff for the classic view.

Ocean Viewing Index

Updated · Sep 9, 2026 18:04

Reference time: local noon · 12:39 (Asia/Tokyo)

Estimated

Excellent

Excellent viewing conditions. Highly recommended!

Sub-Index Breakdown

Six dimensions feed the overall Ocean Viewing Index.

Sea Color
Vivid turquoise / azure · hue
95.7
Clarity
Very clear (below 1.5 NTU) · NTU
100
Visibility
15+ m horizontal · m
100
Sea State
Calm, glassy (0-1) · Beaufort
84.5
Lighting
Golden hour, optimal · lux
94.4
Water Quality
index
—

Weather Forecast

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

TodaySep 9

Light Rain

30°26°

3.7 m/s

1.1mm

ThuSep 10

Light Rain

30°26°

1.8 m/s

2.7mm

FriSep 11

Thunderstorm

31°25°

2.7 m/s

12.3mm

SatSep 12

Light Rain

30°27°

4.3 m/s

0.6mm

SunSep 13

Thunderstorm

30°25°

4.8 m/s

6.5mm

MonSep 14

Thunderstorm

28°26°

3.7 m/s

9.5mm

TueSep 15

Thunderstorm

29°26°

3.0 m/s

4.0mm

Visibility: 22 km·Cloud: 10%

48-Hour Hourly Forecast

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

Now28°50.2

01:0029°50.3

02:0029°60.2

03:0029°60.2

04:0030°60.1

05:0029°6—

06:0029°5—

07:0029°5—

08:0029°5—

09:0028°4—

10:0027°40.1

11:0027°3—

12:0026°3—

13:0026°3—

14:0026°3—

15:0026°3—

16:0026°2—

17:0026°2—

18:0026°2—

19:0026°2—

20:0026°3—

21:0026°3—

22:0026°3—

23:0028°3—

00:0028°3—

01:0029°3—

02:0030°3—

03:0030°40.3

04:0029°40.5

05:0029°30.6

06:0029°20.8

07:0029°30.3

08:0028°3—

09:0028°3—

10:0027°20.1

11:0027°20.1

12:0027°1—

13:0027°1—

14:0027°1—

15:0027°1—

16:0027°1—

17:0026°1—

18:0026°1—

19:0027°0—

20:0027°0—

21:0027°1—

22:0027°2—

23:0028°1—

7-Day OVI Trend

Forecast ocean viewing conditions for the coming week.

Best today: 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.

Spring TideCoefficient: 119.9 / 120Higher coefficient means larger tide range; 120 is the largest spring, 20 the smallest neap.

Time	Type	Height
21:31	High	0.88 m

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

21:31

0.88 m

Nearby Beaches

Other beaches closest to Naminoue Beach.

13 km away

Sunset Beach

Okinawa, Japan

411 km away

Maesato Beach

Okinawa, Japan

604 km away

Heping Island Park

Keelung, Taiwan

605 km away

Waiao Beach

Yilan, Taiwan

Frequently asked questions

What is the Ocean Viewing Index (OVI) for Naminoue Beach?: 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 Naminoue Beach for sea views?: Start with the current and 7-day OVI forecast for Naminoue Beach, 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 Naminoue Beach?: 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: 26.2125°, 127.6811°
Timezone: Asia/Tokyo
Region & Country: Okinawa, Japan

Data sources

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