
Diving atMB-249 W.Reiners III Memorial (United States)
Navigating to the MB-249 W.Reiners III Memorial, an artificial reef, demands careful attention to boat traffic and accurate plotting. Its offshore placement means divers should be proficient in drift diving techniques or ensure precise anchoring is possible. Strong currents can develop unexpectedly, so continuous monitoring of conditions before and during the dive is crucial for safety. Always be aware of your ascent path and potential boat movements above.
Early observations for MB-249 W.Reiners III Memorial report a surface air temperature of 27.5°C. The water surface is currently presenting wave heights of 0.5 m. Consider these environmental metrics before beginning your descent.
Dive Site Location & Key Facts
Everything you need to know about this dive site.
Dive Site Overview
The MB-249 William Thompson Reiners III Reef serves as an artificial marine habitat, honoring its namesake by creating a new underwater ecosystem. These intentional deployments aim to foster biodiversity, offering structure for various species where natural reefs might be absent or degraded.
Divers exploring such sites can anticipate an evolving landscape, as coral and other sessile organisms gradually colonize the introduced materials. This reef provides critical substrate for marine life, contributing to local fish populations and invertebrate communities. While exact construction details are not consistently reported, artificial reefs typically consist of robust materials designed for long-term stability and ecological benefit.
Its primary function is to enhance the marine environment, offering shelter and feeding grounds within recreational diving depths. Expect a vibrant, albeit man-made, underwater structure drawing in pelagic and resident species.
MB-249 W.Reiners III Memorial
Conditions are Excellent
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near MB-249 W.Reiners III Memorial show 28° air, 29° sea temperature, 0.6 m waves, and 26 km/h wind. Forecast data is refreshed regularly to ensure accuracy.
Best Time to Dive
Optimal diving conditions at the MB-249 W.Reiners III Memorial generally occur from May through November, aligning with 'Good' to 'Moderate' dive scores during these months. May and July to November show particularly favorable conditions, with average air temperatures ranging from 24.5°C (76°F) to 29°C (84°F). Wave heights tend to be calmer, averaging between 0.6 m (2.0 ft) and 0.9 m (3.0 ft), which typically translates to smoother boat rides and better underwater visibility. Rainfall is less significant during October and November, which often contributes to clearer water. While specific water temperatures are not consistently reported, surface waters usually parallel air temperatures, offering comfortable diving. During the winter months, from December to April, dive scores remain 'Moderate' to 'Good', but cooler air temperatures, averaging from 13°C (55°F) to 21°C (70°F), and potentially larger wave heights of up to 1.1 m (3.6 ft) may make conditions less appealing for some divers.
PEAK SEASON SCORE
Scores combine air & water temps, waves, wind & rainfall for overall conditions.
BEST MONTHS TO DIVE
Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.
Dive Experience & Conditions
Beginning the dive at MB-249 W.Reiners III Memorial, divers descend into waters that can vary in clarity depending on recent weather and currents. Visibility typically ranges from moderate to good, with some seasonal fluctuations. As you approach the maximum depth, perhaps around 30 m (100 ft) or within general recreational limits, the artificial structure of the reef begins to emerge from the surrounding seafloor. Currents are a factor to consider; they may range from mild to strong, potentially requiring divers to adjust their plan for a drift dive or to position themselves strategically near the structure. The topography is characterized by the artificial reef itself, which acts as a focal point for marine activity on an otherwise featureless bottom. Exploring the deeper sections or shallower areas of the memorial, divers can anticipate encountering a growing community of marine organisms adapted to this unique habitat.
Dive Difficulty & Safety Guidelines
When planning a dive at the MB-249 W.Reiners III Memorial, an expert tip is to prioritize current assessment and boat support. As an offshore artificial reef, conditions can shift rapidly; always check local forecasts for wind and wave predictions. Maintaining a strong dive profile, including conservative bottom times and adequate safety stops, is crucial, especially when currents are present. Since boat traffic can be a factor in offshore areas, deploying a surface marker buoy (SMB) upon ascent is a non-negotiable safety practice to alert vessels to your presence. Ensure your dive buddy is aware of emergency procedures and maintains close proximity throughout the dive. Proper navigation skills are essential to relocate the reef and plan for potential drift.
Recommended Equipment
- Dive Computer
This gear list is based on verified equipment signals for MB-249 W.Reiners III Memorial, United States. Always confirm final gear choices with your dive operator, guide, or liveaboard.
Recommended Dive Suit
For dives of average duration, 2-3mm shorty or light wetsuit usually provides sufficient protection from heat loss. A hood or vest is suggested for sensitive divers due to surface winds.
Divers planning a dive at MB-249 W.Reiners III Memorial today will likely encounter water temperatures close to 29°C (83°F). Surface air temperatures are resting at 28°C (82°F).
Conditions are expected to stay fairly consistent in the days ahead.
Emergency & Medical Support
Essential information to help you plan your dive trip to MB-249 W.Reiners III Memorial.

Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.
Before diving, it's recommended to:
- confirm nearest medical facilities
- check emergency procedures with local dive operators
- ensure dive insurance covers evacuation if required
Divers Alert Network
Diving emergency assistance available through DAN World.
+1-919-684-9111- 24/7 emergency hotline
- Diving medical assistance
- Evacuation coordination
Emergency contacts are provided for reference. Always verify local emergency services before diving.
Marine Life at MB-249 W.Reiners III Memorial
The underwater landscape of the MB-249 W.Reiners III Memorial attracts a diverse array of marine life, thriving on the introduced structures. Encrusting corals and sponges are progressively colonizing the reef, establishing a foundation for the local ecosystem. You'll likely observe various reef fish species utilizing the crevices and ledges for shelter, including smaller schooling fish and juvenile snappers. Larger pelagic species occasionally cruise by the memorial, drawn to the concentration of food and shelter it provides. Expect to see invertebrates such as crabs and lobsters tucked into the reef's features. This developing habitat creates a vibrant focal point, attracting marine organisms that contribute to the overall biodiversity of the area.
Dive Centers Near MB-249 W.Reiners III Memorial
Working Hours
Today: 09:00 - 12:00
Emerald Coast Scuba
All Star Liveaboards
Fort Walton Beach Scuba
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Frequently Asked Questions
What kind of structure is the MB-249 W.Reiners III Memorial?
This site is an artificial reef, intentionally deployed to create new marine habitats. Such structures typically consist of various materials designed to provide a stable substrate for marine life to colonize and thrive.
What is the typical visibility at this artificial reef?
Visibility at the MB-249 W.Reiners III Memorial can vary, generally ranging from moderate to good. Local conditions, such as recent rainfall, wave action, and currents, often influence water clarity.
Are there strong currents at this dive site?
Currents at artificial reef sites like MB-249 can range from mild to strong. Divers should always be prepared for potential current and discuss strategies with their dive operator, such as drift diving if appropriate.
What depth range can I expect at the memorial reef?
While a specific maximum depth is not consistently reported, artificial reefs are generally placed within recreational diving limits. Divers can expect to explore areas within standard recreational depths, potentially reaching around 30 m (100 ft).
Is this a suitable dive for beginners?
The suitability for beginners depends on current conditions and individual skill levels. Given its offshore nature and potential for currents, some experience with boat dives and managing currents would be beneficial. Always consult with a local dive professional.
What type of marine life is commonly seen here?
As a growing artificial reef, the memorial attracts a variety of reef fish, including snappers and schooling species seeking shelter. Invertebrates like crabs and lobsters inhabit the structure, and occasionally larger pelagic fish may be observed passing by.
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MB-249 W.Reiners III Memorial
Conditions are Excellent
Best Dive Window
07:00 - 14:00
Optimal conditions expected
Current conditions near MB-249 W.Reiners III Memorial show 28° air, 29° sea temperature, 0.6 m waves, and 26 km/h wind. Forecast data is refreshed regularly to ensure accuracy.






