INSTRUMENT / SEA TEMPERATURE

Miyako Water Temperature

Updated Sat 14:58 (Asia/Tokyo)

Japan · Forecast updated Nov 7, 2026, 14:58 UTC

← Snorkel forecast for Miyako

Current Sea Temperature

26.2°C

79.2°F

Warm water

Valid Nov 7, 2026, 14:58 (Asia/Tokyo). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.

Versus this month's average

0.3°C above

The typical November average is 25.9°C (78.6°F) from the historical baseline.

Recent trend

Cooling by 0.7°C

Seven-day average: 26.9°C, versus 27.6°C in the prior seven days.

What to wear

Warm water

Most people are comfortable in swimwear or a light rash guard.

Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions or replace the snorkel forecast.

Typical Sea Temperature Over the Year

In the historical baseline for Miyako, typical monthly averages range from about 22.0°C (71.6°F) in January to 30.4°C (86.7°F) in August.

Over the past 30 days, the average sea temperature in Miyako has been 27.8°C.

Historical baseline (full year)

Northern Hemisphere. Summer is generally June–August; winter is December–February.

Typical monthly sea-surface temperature near Miyako, calculated from hourly observations for 2022–2025. This is not this site's forecast archive.

Month Typical range Average
January 21.7–22.4°C 22.0°C / 71.6°F
February 21.8–22.7°C 22.2°C / 72.0°F
March 22.6–22.9°C 22.7°C / 72.9°F
April 23.3–25.6°C 24.5°C / 76.1°F
May 26.0–27.5°C 26.6°C / 79.9°F
June 27.9–28.8°C 28.4°C / 83.1°F
July 29.3–30.6°C 29.8°C / 85.6°F
August 30.1–31.1°C 30.4°C / 86.7°F
September 29.7–30.4°C 30.2°C / 86.4°F
October 27.9–29.2°C 28.6°C / 83.5°F
November 25.2–26.4°C 25.9°C / 78.6°F
December 23.0–23.7°C 23.4°C / 74.1°F

Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (24.79, 125.29). Each month is the mean of yearly monthly means; the range is the lowest and highest of those yearly monthly means. Open-Meteo methodology.

Water temperature by month

Each month uses the 2022–2025 baseline. The range is the lowest and highest yearly monthly mean, not an hourly extreme.

Miyako in January

Typical January water temperature near Miyako is 22.0°C (71.6°F), with yearly monthly means from 21.7–22.4°C.

Swimming and snorkeling: mild water. A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit.

Adjacent months: December 23.4°C · February 22.2°C.

Explore Miyako sea temperature in January, including swim comfort and month comparisons →

Miyako in February

Typical February water temperature near Miyako is 22.2°C (72.0°F), with yearly monthly means from 21.8–22.7°C.

Swimming and snorkeling: mild water. A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit.

Adjacent months: January 22.0°C · March 22.7°C.

Explore Miyako sea temperature in February, including swim comfort and month comparisons →

Miyako in March

Typical March water temperature near Miyako is 22.7°C (72.9°F), with yearly monthly means from 22.6–22.9°C.

Swimming and snorkeling: mild water. A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit.

Adjacent months: February 22.2°C · April 24.5°C.

Explore Miyako sea temperature in March, including swim comfort and month comparisons →

Miyako in April

Typical April water temperature near Miyako is 24.5°C (76.1°F), with yearly monthly means from 23.3–25.6°C.

Swimming and snorkeling: mild water. A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit.

Adjacent months: March 22.7°C · May 26.6°C.

Explore Miyako sea temperature in April, including swim comfort and month comparisons →

Miyako in May

Typical May water temperature near Miyako is 26.6°C (79.9°F), with yearly monthly means from 26.0–27.5°C.

Swimming and snorkeling: warm water. Most people are comfortable in swimwear or a light rash guard.

Adjacent months: April 24.5°C · June 28.4°C.

Explore Miyako sea temperature in May, including swim comfort and month comparisons →

Miyako in June

Typical June water temperature near Miyako is 28.4°C (83.1°F), with yearly monthly means from 27.9–28.8°C.

Swimming and snorkeling: very warm water. Swimwear is usually enough; a rash guard adds sun protection.

Adjacent months: May 26.6°C · July 29.8°C.

Explore Miyako sea temperature in June, including swim comfort and month comparisons →

Miyako in July

Typical July water temperature near Miyako is 29.8°C (85.6°F), with yearly monthly means from 29.3–30.6°C.

Swimming and snorkeling: very warm water. Swimwear is usually enough; a rash guard adds sun protection.

Adjacent months: June 28.4°C · August 30.4°C.

Explore Miyako sea temperature in July, including swim comfort and month comparisons →

Miyako in August

Typical August water temperature near Miyako is 30.4°C (86.7°F), with yearly monthly means from 30.1–31.1°C.

Swimming and snorkeling: very warm water. Swimwear is usually enough; a rash guard adds sun protection.

Adjacent months: July 29.8°C · September 30.2°C.

Explore Miyako sea temperature in August, including swim comfort and month comparisons →

Miyako in September

Typical September water temperature near Miyako is 30.2°C (86.4°F), with yearly monthly means from 29.7–30.4°C.

Swimming and snorkeling: very warm water. Swimwear is usually enough; a rash guard adds sun protection.

Adjacent months: August 30.4°C · October 28.6°C.

Explore Miyako sea temperature in September, including swim comfort and month comparisons →

Miyako in October

Typical October water temperature near Miyako is 28.6°C (83.5°F), with yearly monthly means from 27.9–29.2°C.

Swimming and snorkeling: very warm water. Swimwear is usually enough; a rash guard adds sun protection.

Adjacent months: September 30.2°C · November 25.9°C.

Explore Miyako sea temperature in October, including swim comfort and month comparisons →

Miyako in November

Typical November water temperature near Miyako is 25.9°C (78.6°F), with yearly monthly means from 25.2–26.4°C.

Swimming and snorkeling: warm water. Most people are comfortable in swimwear or a light rash guard.

Adjacent months: October 28.6°C · December 23.4°C.

Explore Miyako sea temperature in November, including swim comfort and month comparisons →

Miyako in December

Typical December water temperature near Miyako is 23.4°C (74.1°F), with yearly monthly means from 23.0–23.7°C.

Swimming and snorkeling: mild water. A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit.

Adjacent months: November 25.9°C · January 22.0°C.

Explore Miyako sea temperature in December, including swim comfort and month comparisons →

Forecast archive (growing)

These values come from hourly forecasts SnorkelForecast has stored. They cover only months with records and do not replace the historical baseline.

Month Min Average Max
June 26.8°C / 80.2°F 28.0°C / 82.5°F 29.6°C / 85.3°F
July 27.3°C / 81.1°F 29.5°C / 85.1°F 31.2°C / 88.2°F
August 28.2°C / 82.8°F 29.7°C / 85.5°F 31.7°C / 89.1°F
September 28.7°C / 83.7°F 29.3°C / 84.8°F 30.0°C / 86.0°F
October 26.6°C / 79.9°F 28.3°C / 82.9°F 30.1°C / 86.2°F
November 25.7°C / 78.3°F 26.7°C / 80.0°F 27.4°C / 81.3°F

Partial coverage: 6 calendar months with records. Profile calculated from 3839 hourly forecast records across 6 monthly periods. This is a growing archive, not a long-term climate normal.

About the water at Miyako

Okinawan island ringed by white sand and clear coral shallows.

Area
Okinawa

Miyako Water Temperature: Common Questions

What is the water temperature in Miyako today?

The current sea surface temperature near Miyako is 26.2°C (79.2°F). Over the last 30 days, the average has been 27.8°C.

When is the water warmest in Miyako?

The water is typically warmest in August, at around 30.4°C (86.7°F) in the 2022–2025 historical baseline.

When is the water coldest in Miyako?

The water is typically coldest in January, at around 22.0°C (71.6°F) in the same historical baseline.

Can you swim in Miyako today?

At 26.2°C, the water is usually comfortable for swimming and snorkeling.

Full Snorkeling Forecast

See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Miyako.

View Snorkel Forecast →