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Melville Cove

Port Gore Dive Site, Marlborough Sounds, New Zealand

Discover the beauty of diving at the Port Gore Dive Site, situated in a sheltered bay in the picturesque Marlborough Sounds, New Zealand. This dive site is renowned as an ideal location for beginners and training dives, offering a safe and comfortable environment to explore underwater.

With a sandy bottom and a convenient mooring line in the centre, divers can venture to a maximum depth of 8 meters. The visibility at the Port Gore Dive Site ranges around 3 meters, providing a clear view of the underwater wonders. This makes it suitable for divers of all skill levels, particularly beginners seeking an immersive and memorable experience.

One of the highlights of this dive site is the diverse marine life it showcases. You'll encounter a wide variety of fish and marine species native to the Marlborough Sounds, such as Blue cod, hermit crabs, carpet sharks, stingrays, starfish, kina, and spotties. Whether you prefer day dives or wish to embark on a thrilling night dive, the Port Gore Dive Site promises an unforgettable encounter with these fascinating creatures.

Immerse yourself in the beauty of New Zealand's underwater world at the Port Gore Dive Site. Explore the crystal-clear waters of this captivating dive location and experience the awe-inspiring marine life that calls it home. Plan your next dive adventure in Port Gore and prepare to be amazed by the wonders that await you.

Diving Conditions Score for Melville Cove

4.1
Below Average

Challenging conditions, for experienced divers only.
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Melville Cove

Depth

8m

Visibility

3m

Experience Level

beginner

Weather Conditions for Melville Cove

Wave Height

1.22m

Wind Speed

45.4 m/s

Water Temp

14°C

Visibility

10.22km

Cloud Cover

88%

Wave Period

5s

Air Temperature

15.5°C

Precipitation

0.4 mm

Detailed 7-Day Diving Forecast for Melville Cove
Alpha

Dive Score Chart for Melville Cove

Best time to dive: 17:00 with score 6.0540908045977/10. Water conditions: Waves 0.68m, Wind 15.2 m/s.Best night dive time: 20:00 with score 6.508362573099415/10.

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

Sunrise at Melville Cove: 06:00
Sunset at Melville Cove: 18:00

Optimal diving conditions at Melville Cove 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
20:00

Score: 6.5/10
Waves: 0.56m (5.7s), Wind: 8.9 m/s

🌞
Safest Overall
17:00

Score: 6.1/10
Waves: 0.68m (5.8s), Wind: 15.2 m/s

🌞
Best Day
17:00

Score: 6.1/10
Waves: 0.68m, Wind: 15.2 m/s

Seasonal Analysis for Melville Cove
Alpha

Historical patterns and best seasons for diving at Melville Cove

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 Melville Cove

Summer

Avg. Score: 7.9/10

Summer offers the warmest water temperatures and generally favorable conditions for all levels of divers.

Best Months for Melville Cove

July
Score: 8.0
June
Score: 7.8
August
Score: 7.8

Ideal Conditions for Melville Cove

Water Temp

Thermometer Emoji

14.2°C / 57.6°F

January

Visibility

Telescope Emoji

13.8m / 45.3ft

January

Wave Height

Wave Emoji

1.2m / 3.9ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Melville Cove

Melville Cove follows southern hemisphere patterns with January being the warmest month (14.2°C) and September the coldest (9.1°C). The calmest conditions typically occur in January with average wave heights of 1.2m 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). January 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 20, 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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