Western Sambo Reef
Just 15 minutes south of Key West lies the magnificent Western Sambo Reef, one of two ecological reserves within the Florida Keys National Marine Sanctuary. This protected reef is a diver's paradise, with depths ranging from 7 to 40 feet.
Western Sambo Reef boasts a vibrant and diverse marine life, including gentle nurse sharks, elegant queen conchs, elusive spiny-tail lobsters, majestic groupers, agile snappers, speedy barracudas, and colorful hogfish. It is also home to an abundance of soft coral sea fans, adding to the reef's beauty.
With its depth ranging from 10 to 40 feet, Western Sambo Reef showcases stunning coral formations. From the intricate spur-and-groove-style corals to towering vertical coral heads reaching heights of 20 feet, this protected no-take reef will leave divers in awe. The sealife here is notably larger than that found in surrounding reefs.
Divers can expect a visibility of approximately 9 meters at Western Sambo Reef, allowing for clear and captivating underwater views. With a maximum depth of 8 meters, this site is well-suited for beginner divers seeking an unforgettable underwater experience.
Located in Monroe County, Florida, United States, this exceptional dive site offers easy accessibility from the mainland. Whether you are a seasoned diver or a beginner looking to explore the wonders of the underwater world, Western Sambo Reef is a must-visit destination for divers in the United States.
Western Sambo Reef boasts a vibrant and diverse marine life, including gentle nurse sharks, elegant queen conchs, elusive spiny-tail lobsters, majestic groupers, agile snappers, speedy barracudas, and colorful hogfish. It is also home to an abundance of soft coral sea fans, adding to the reef's beauty.
With its depth ranging from 10 to 40 feet, Western Sambo Reef showcases stunning coral formations. From the intricate spur-and-groove-style corals to towering vertical coral heads reaching heights of 20 feet, this protected no-take reef will leave divers in awe. The sealife here is notably larger than that found in surrounding reefs.
Divers can expect a visibility of approximately 9 meters at Western Sambo Reef, allowing for clear and captivating underwater views. With a maximum depth of 8 meters, this site is well-suited for beginner divers seeking an unforgettable underwater experience.
Located in Monroe County, Florida, United States, this exceptional dive site offers easy accessibility from the mainland. Whether you are a seasoned diver or a beginner looking to explore the wonders of the underwater world, Western Sambo Reef is a must-visit destination for divers in the United States.
Diving Conditions Score for Western Sambo Reef
7.2
GoodGood diving conditions!
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Western Sambo Reef
Depth
8m
Visibility
9m
Experience Level
beginner
Weather Conditions for Western Sambo Reef
Wave Height
0.4m
Wind Speed
22.6 m/s
Water Temp
30.9°C
Visibility
18.8km
Cloud Cover
59%
Wave Period
3.6s
Air Temperature
29.4°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Western Sambo Reef
Alpha
Dive Score Chart for Western Sambo Reef
Best time to dive: 17:00 with score 7.896666666666667/10. Water conditions: Waves 0.44m, Wind 19.9 m/s.Best night dive time: 23:00 with score 7.724255319148937/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Western Sambo Reef: 06:00
Sunset at Western Sambo Reef: 18:00
Optimal diving conditions at Western Sambo Reef are affected by daylight hours. Sunrise occurs at 06:00 and sunset at 18:00, which impacts visibility and water temperature for scuba diving and snorkeling.
Best Overall
17:00Score: 7.9/10
Waves: 0.44m (4s), Wind: 19.9 m/s
Best Night
23:00Score: 7.7/10
Waves: 0.42m, Wind: 6 m/s
Seasonal Analysis for Western Sambo ReefAlpha
Historical patterns and best seasons for diving at Western Sambo Reef
The dive score combines all factors to rate overall diving conditions throughout the year. Higher scores indicate better diving conditions.
Monthly Dive Score Analysis - Seasonal Diving Conditions
Higher values indicate better diving conditions
Seasonal DiveScore Chart
This chart displays monthly diveScore data throughout the year, showing seasonal patterns. The data is presented as a bar chart with an overlaid line graph.Dive scores range from 1 to 10, with 10 being optimal conditions.
Higher values indicate better diving conditions
Best Season for Western Sambo Reef
Winter
Avg. Score: 8.8/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Western Sambo Reef
February
Score: 8.8
December
Score: 8.8
January
Score: 8.7
Ideal Conditions for Western Sambo Reef
Water Temp
27.5°C / 81.5°F
June
Visibility
11.6m / 38.1ft
October
Wave Height
2.4m / 7.9ft
September
Wave Period
8.0s
January
Seasonal Insights for Western Sambo Reef
Western Sambo Reef shows typical northern hemisphere patterns with July being the warmest month (28.4°C) and January the coldest (18.0°C). The calmest conditions typically occur in September with average wave heights of 2.4m and wave periods of 8.0s. The most comfortable wave conditions are in September with a low wave steepness ratio, creating gentler swells. January offers the longest wave periods (8.0s), creating more comfortable and predictable conditions for boat entries and exits. Ocean currents are slowest in January (0.5m/s) and strongest in January (0.5m/s). February is usually the driest month with 0.1mm of precipitation. For beginners, the best time to visit would be during September to November, when ocean conditions are calmer with long-period waves and currents are typically weaker. Experienced divers might enjoy the challenges and potentially better visibility during the shoulder seasons, with moderate currents that can improve marine life encounters.
Last updated: 1 min. ago - Jun 19, 2026
Note: This dive site is not a verified dive site. Please dive with caution. This dive site might have incorrect information by the community.
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