SnorkelForecast.com

Okinawa - Blue Cave Snorkeling Conditions & Report

Japan · Live forecast, updated hourly · All times in JST

⚠️ Marginal conditions in Okinawa - Blue Cave

No clearly calm window is forecast in the next 72 hours. Check the hourly table below for the best available period.

Forecast Summary

Over the next 13 hours (from Thu 02:00 to Thu 14:00), snorkeling conditions will vary across excellent, good, fair and poor periods. Overall, there are 0 excellent, 0 good, 0 fair, and 13 poor hours.

Daily outlook

  • Thursday: 13× poor

Snorkeling in Okinawa - Blue Cave

Cape Maeda sea cave glowing blue, with reef fish in the clear entrance.

This page tracks live snorkeling conditions in Okinawa - Blue Cave, Japan — wave height, wind speed, sea temperature, tides and currents — and scores every daylight hour over the next 72 hours so you can pick the calmest, clearest window to get in the water.

Best time to snorkel: mornings are usually calmest here, before wind and waves build through the afternoon. Aim for daylight within about an hour of high tide, when currents are slack and visibility is highest. Across the year, the best months for snorkeling in Okinawa - Blue Cave are typically June. Recent sea temperature has averaged about 25°C.

New to this? Read our guides on the best time to snorkel and water temperature for snorkeling.

Snorkel Score (next 24h)

Snorkel Score (next 72h)

Upcoming High Tides

Thu 13:00

Recent Average Conditions

Seasonal Snorkeling Trends

Best months for snorkeling: June

Sea Temperature Over the Year

Sea surface temperature in Okinawa - Blue Cave ranges from about 25.4°C in June to 25.4°C in June. The water is warmest in late summer and coolest in winter.

Full Okinawa - Blue Cave sea temperature analysis →

Okinawa - Blue Cave snorkeling FAQs

Can you snorkel in Okinawa - Blue Cave today?

Conditions look marginal — no clearly safe window is forecast in the next 72 hours. Use the hourly table to find the calmest period.

What is the best time of day to snorkel in Okinawa - Blue Cave?

Mornings are usually best — winds and waves tend to build through the afternoon. Aim for daylight hours within about an hour of high tide, when currents are slack and visibility is highest.

What is the best tide for snorkeling?

High tide, within roughly 72 minutes of the peak (slack water), gives the clearest, calmest conditions. We highlight the next high tides above so you can plan around them.

Is the water warm enough to snorkel in Okinawa - Blue Cave?

Sea temperature has recently averaged about 25°C. Most snorkelers are comfortable from 20–30°C; below that, wear a wetsuit or rash guard. The best months here are typically June.

Condition Trends (next 24h)

Condition Trends (next 72h)

72-Hour Forecast Overview

poor
poor
poor
poor
poor
poor
poor
poor
poor
poor
poor
poor
poor

How We Calculate Conditions

We consider snorkeling conditions to be ideal when all of the following criteria, fetched from the Open-Meteo API, are met during daylight hours (between sunrise and sunset):

  • Wave height is less than 0.36 meters.
  • Wind speed is below 5.4 meters/second.
  • Sea surface temperature is between 20.6°C and 30.4°C.
  • Within ±72 min of high tide and currents ≤ 0.36 m/s.
Detailed hourly conditions — full 72-hour table
Time Wave Height (m) Wind Speed (m/s) Sea Temp (°C) Tide Height (m) Current (m/s) Score Rating
Thu 02:00 0.66 16.60 25.40 1.13 0.60 0.00 poor
Thu 03:00 0.66 16.10 25.40 0.68 0.90 0.00 poor
Thu 04:00 0.66 17.30 25.50 0.25 0.80 0.00 poor
Thu 05:00 0.68 17.40 25.50 -0.08 0.80 0.00 poor
Thu 06:00 0.68 17.90 25.50 -0.24 0.80 0.00 poor
Thu 07:00 0.68 17.20 25.50 -0.20 0.90 0.00 poor
Thu 08:00 0.66 17.00 25.50 0.03 0.60 0.00 poor
Thu 09:00 0.66 15.30 25.50 0.40 0.60 0.00 poor
Thu 10:00 0.66 13.10 25.50 0.83 0.80 0.00 poor
Thu 11:00 0.66 13.60 25.70 1.21 0.80 0.00 poor
Thu 12:00 0.66 12.60 25.70 1.48 0.80 0.00 poor
Thu 13:00 0.66 12.50 25.70 1.57 0.70 0.00 poor
Thu 14:00 0.66 13.80 25.70 1.49 0.70 0.00 poor