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Hamm

Discover the abundant marine life at this vibrant small patch reef. Dive into a world teeming with tropical fish, sharks, eels, lobsters, crabs, and more. Explore the ledges surrounding the reef to encounter massive schools of grunts, snappers, and damselfish. Immerse yourself in the beauty and diversity of this underwater oasis.

With a visibility of 12 meters and a maximum depth of 12 meters, this dive site offers an ideal environment for beginners to explore. Located near Windley Key in Islamorada, Monroe County, Florida, in the United States, this dive spot is easily accessible for divers of all levels.

Embark on an unforgettable underwater adventure and witness the captivating marine ecosystem firsthand. Divechamp.com invites you to experience the wonders of this dive site and create lasting memories beneath the waves.

Diving Conditions Score for Hamm

8.1
Very Good

Very good diving conditions!
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Hamm

Depth

12m

Visibility

12m

Experience Level

beginner

Weather Conditions for Hamm

Wave Height

0.3m

Wind Speed

10.6 m/s

Water Temp

30°C

Visibility

24.4km

Cloud Cover

0%

Wave Period

4.1s

Air Temperature

28.9°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Hamm
Alpha

Dive Score Chart for Hamm

Best time to dive: 9:00 with score 8.464715447154472/10. Water conditions: Waves 0.28m, Wind 10.1 m/s.Best night dive time: 23:00 with score 8.332512987012986/10.

Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.

Sunrise at Hamm: 06:00
Sunset at Hamm: 18:00

Optimal diving conditions at Hamm 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
9:00

Score: 8.5/10
Waves: 0.28m (4.1s), Wind: 10.1 m/s

🌙
Best Night
23:00

Score: 8.3/10
Waves: 0.2m, Wind: 6.1 m/s

Seasonal Analysis for Hamm
Alpha

Historical patterns and best seasons for diving at Hamm

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 Hamm

Winter

Avg. Score: 8.7/10

Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.

Best Months for Hamm

February
Score: 8.8
January
Score: 8.7
November
Score: 8.7

Ideal Conditions for Hamm

Water Temp

Thermometer Emoji

27.6°C / 81.7°F

June

Visibility

Telescope Emoji

11.6m / 38.1ft

October

Wave Height

Wave Emoji

2.2m / 7.2ft

November

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Hamm

Hamm shows typical northern hemisphere patterns with July being the warmest month (28.3°C) and January the coldest (17.8°C). The calmest conditions typically occur in November with average wave heights of 2.2m and wave periods of 8.0s. The most comfortable wave conditions are in November 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 0.0mm of precipitation. For beginners, the best time to visit would be during November to January, 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.

Scoring Legend:
9-10 (Excellent)
7-8 (Good)
5-6 (Average)
3-4 (Poor)
1-2 (Dangerous)

Last updated: 1 min. ago - Jun 21, 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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