www.scubaspotadvisor.com · Operator
Exact Red Marker listing near the Hija fishing port marker.
Dive Spot Guide•
Red Marker
Shore-access Okinawa reef with shallow soft corals and simple routing.
Scuba DivingSnorkelingShoreBeginner
Reef
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Shallow east-west reef over sand near the Hija River mouth; calm days suit an easy shore circuit, but water flow and traffic need a check.
About Red Marker
Red Marker is a shore-access Okinawa reef site near the Hija River mouth, with a broad east-west reef running over sand, a shallow soft-coral top, and a muddier southern edge that makes the underwater layout easy to read. It is best treated as a relaxed shore dive with simple routing, careful buoyancy over the reef, and conservative attention to current, runoff, and boat traffic near the marker. The shallow profile and reef texture make it a good fit for newer divers when conditions are calm, while the surrounding area still rewards experienced divers who want an easy macro and reef circuit.
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Where Is Red Marker?
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Community sourced coordinates.
Red Marker Planning Details
Depth range, seasonality, and planning context.
Reported Depth
5m - 20m
Depth Note
Shallow areas sit around 5 m, with the reef stretching east-west over sand and a muddier southern edge deeper down.
Best Season
Late spring through autumn is the most comfortable window, with warmer water and better west-coast conditions when weather stays stable.
Typical Conditions
Shallow shore reef over sand, soft-coral patches, a muddier southern edge, mild current, and variable clarity near the river mouth.
Safety & Access At Red Marker
Hazards, restrictions, and access requirements.
Key Hazards
Boat trafficLow visibility
Safety Notes
Keep clear of the marker and any channel traffic, watch buoyancy over the soft-coral top, and be conservative if runoff has reduced clarity.
Access Restrictions
Shore access from the Kadena/Mizugama seawall area; avoid the entry if local traffic, runoff, or surface flow makes the channel uncomfortable.
Legal Notes
Follow local shore-entry rules, respect fishing-port and channel traffic, and keep clear of marked waterways.
Local Intel For Red Marker
Community notes to help plan your visit.
Scuba Diving
A shallow shore reef with an east-west reef line over sand, easy routing, and a soft-coral top that suits relaxed local dives.
Freediving
Possible only in very calm conditions; the site is better treated as a shallow shore reef dive than a dedicated freedive spot.
Snorkeling
Calm days may suit snorkelers on the shallow top, but the site is primarily a shore dive and visibility can dip near runoff.
Red Marker Dive Conditions Planner
Use the planner to scan this week, inspect today in local time, and understand how exposure shapes conditions at Red Marker.
Current Snapshot
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🌥️Variable
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Surface / Entry
Wind No data · Tide No data
Sea State
Swell No data · Period unavailable
Visibility Outlook
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Exposure Profile at Red Marker
Directional shelter context for incoming swell.
Exposure Note
Hourly forecast data is not available yet.
Recent Logged Visits At Red Marker
Community dive logs and visit reports for this site.
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Dive Spot Log Averages At Red Marker
Average conditions based on logged dives & visits.
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Red Marker Guide - Frequently Asked Questions
Planning answers for access, conditions, timing, and site logistics.
Red Marker Guide - Sources and Updates
Last Updated
Research Sources
diveplannerpro.com · Community
Adjacent Kadena-area reef context for visibility, current, crowding, and wildlife.
www.fluidlevitation.com · Operator
Adjacent Hija River mouth shore site with beginner-friendly profile.
visitokinawajapan.com · Official
Official Okinawa main-island guide for beach-entry and beginner-suited shore sites.
www.oist.jp · Official
West-coast summer conditions and water-safety context.
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