Harrison Cove
Dive Site in Southland, New Zealand offers an exciting underwater adventure for divers of all levels. With its varying bottom composition, from shallow gravel to sloping muddy sandy areas, this site is home to an abundance of marine life. The presence of rock outcrops adds diversity, and you'll even spot some black coral growth.
Underwater enthusiasts can expect encounters with fascinating species, including dogsharks, seven gill sharks, spiny seadragons, butterfly perch, and jock stewarts. The scattered black coral along certain rocks adds an enchanting touch to the dive.
With a maximum depth of 18m and visibility reaching up to 11m, this dive site provides excellent conditions for exploration. Whether you're a beginner or an advanced diver, this location caters to all skill levels.
Plan your dive at this remarkable New Zealand site and experience the wonders it holds beneath the surface.
Underwater enthusiasts can expect encounters with fascinating species, including dogsharks, seven gill sharks, spiny seadragons, butterfly perch, and jock stewarts. The scattered black coral along certain rocks adds an enchanting touch to the dive.
With a maximum depth of 18m and visibility reaching up to 11m, this dive site provides excellent conditions for exploration. Whether you're a beginner or an advanced diver, this location caters to all skill levels.
Plan your dive at this remarkable New Zealand site and experience the wonders it holds beneath the surface.
Diving Conditions Score for Harrison Cove
4.3
Below AverageChallenging conditions, for experienced divers only.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Harrison Cove
Depth
18m
Visibility
11m
Experience Level
beginner
advanced
Weather Conditions for Harrison Cove
Wave Height
2.14m
Wind Speed
9.5 m/s
Water Temp
14°C
Visibility
19.06km
Cloud Cover
32%
Wave Period
10.6s
Air Temperature
6.9°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Harrison Cove
Alpha
Dive Score Chart for Harrison Cove
Best time to dive: 6:00 with score 5.585333333333334/10. Water conditions: Waves 2.54m, Wind 5.7 m/s.Best night dive time: 0:00 with score 4.9712000000000005/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Harrison Cove: 06:00
Sunset at Harrison Cove: 18:00
Optimal diving conditions at Harrison 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
6:00Score: 5.6/10
Waves: 2.54m (10.4s), Wind: 5.7 m/s
Best Night
0:00Score: 5.0/10
Waves: 2.44m, Wind: 7.2 m/s
Seasonal Analysis for Harrison CoveAlpha
Historical patterns and best seasons for diving at Harrison 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 Harrison Cove
Summer
Avg. Score: 7.8/10
Summer offers the warmest water temperatures and generally favorable conditions for all levels of divers.
Best Months for Harrison Cove
July
Score: 8.1
August
Score: 7.8
June
Score: 7.6
Ideal Conditions for Harrison Cove
Water Temp
14.9°C / 58.8°F
March
Visibility
16.4m / 53.8ft
January
Wave Height
0.6m / 2.0ft
January
Wave Period
8.0s
January
Seasonal Insights for Harrison Cove
Harrison Cove follows southern hemisphere patterns with March being the warmest month (14.9°C) and July the coldest (7.2°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). January is usually the driest month with 0.5mm 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.
Last updated: 1 min. ago - Jun 18, 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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