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First Cathedral

Just off the coast of Maui lies the charming island of Lanai, a diver's paradise. While some choose to stay on Lanai itself, many prefer to base themselves on Maui and embark on a thrilling dive charter to Lanai for a day of exploration. One of Lanai's top dive sites is First Cathedral, renowned for its awe-inspiring two-story underwater cavern that will leave you speechless.

Divers flock to First Cathedral to marvel at the mesmerizing lava tube openings inside the cathedral. But that's not all; during your dive, you're likely to encounter graceful turtles, majestic sharks, elusive lobsters, and a vibrant variety of fish, including the endemic Bandit Angel.

Underwater, the visibility stretches up to an impressive 24m, allowing you to fully immerse yourself in Lanai's breathtaking marine world. With a maximum depth of 19m, First Cathedral is suitable for divers of all levels, including beginners. Located in Maui County, Hawaii, United States, this captivating dive site offers a remarkable experience for underwater enthusiasts.

Plan your dive adventure to Lanai's First Cathedral and discover the natural wonders that await beneath the ocean's surface.

Diving Conditions Score for First Cathedral

7.2
Good

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

Dive Site Overview for First Cathedral

Depth

19m

Visibility

24m

Experience Level

beginner

Weather Conditions for First Cathedral

Wave Height

1.26m

Wind Speed

9 m/s

Water Temp

26.6°C

Visibility

18.3km

Cloud Cover

37%

Wave Period

13.1s

Air Temperature

28.1°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for First Cathedral
Alpha

Dive Score Chart for First Cathedral

Best time to dive: 16:00 with score 8.005776470588234/10. Water conditions: Waves 1.26m, Wind 4.1 m/s.Best night dive time: 2:00 with score 7.748535353535353/10.

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

Sunrise at First Cathedral: 06:00
Sunset at First Cathedral: 18:00

Optimal diving conditions at First Cathedral 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
16:00

Score: 8.0/10
Waves: 1.26m (12.75s), Wind: 4.1 m/s

🌙
Best Night
2:00

Score: 7.7/10
Waves: 1.28m, Wind: 1.2 m/s

Seasonal Analysis for First Cathedral
Alpha

Historical patterns and best seasons for diving at First Cathedral

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 First Cathedral

Winter

Avg. Score: 9.8/10

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

Best Months for First Cathedral

January
Score: 10.0
February
Score: 9.9
March
Score: 9.6

Ideal Conditions for First Cathedral

Water Temp

Thermometer Emoji

25.6°C / 78.1°F

July

Visibility

Telescope Emoji

16.7m / 54.8ft

January

Wave Height

Wave Emoji

0.6m / 2.0ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for First Cathedral

First Cathedral shows typical northern hemisphere patterns with July being the warmest month (25.6°C) and January the coldest (19.2°C). The calmest conditions typically occur in January with average wave heights of 0.6m and wave periods of 8.0s. The most comfortable wave conditions are in January 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 January to March, 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 17, 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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