Halona Blowhole

Type:

Scuba Diving

Entry:🏖️Shore Entry

Difficulty:Advanced

Tags:

Reef

About This Dive Spot

This site involves a steep descent from a nearby parking area to a beach entry, leading out over large boulders and rock slabs. Visibility is generally good, and the dive can be challenging. Conditions can be hazardous with east swell, and the beach entry may be dangerous. Divers may need to begin the dive while moving into current.

Planning details

Reported depth and seasonality.

Reported depth

Up to 13.7m

Depth note

Maximum depth by shore is probably about 45 ft.

Typical conditions

Generally good visibility; can have current and be unsuitable with a large east swell.

Safety & access

Hazards, restrictions, and required precautions.

Hazards

Strong currentWaves

Safety notes

Avoid diving with a large east swell; the beach entry can be dangerous. Start the dive into the current.

Local intel

Community notes to help plan your visit.

Tailored notes for different activities.

Scuba

Challenging shore dive over boulders and slabs; max depth reported around 45 ft from shore.

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Spots Near Halona Blowhole

📍 0.3 km

Skimin’s Reef

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Skimin’s Reef features a long reef ledge with numerous arches, dropping from a shallower top down to deeper sections along the wall. The formation runs for at least half a mile and includes darker holes within the structure. The top of the reef holds dense coral and reef fish, with schooling fish commonly seen along the walls. Pufferfish may be found tucked into shaded openings, and there can be occasional sightings of larger marine life out in the blue.

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Palea Point

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East-side drift dive featuring a wall section down to about 30 m/100 ft along with a shallower reef around 12 m/40 ft. The site is infrequently visited and is typically known for very clear water with little influence from runoff. Marine life sightings include green sea turtles, whitetip reef sharks, and large schools of red reef fish sheltering in caves. There are also nearby rock areas covered by extensive sponge growth.

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Hanauma Bay

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Hanauma Bay is a popular nature preserve on Oahu with a protected bay and calm water conditions due to a no-boat policy. It’s suitable for snorkelers as well as divers ranging from beginners to experienced. Reef life is abundant, with a notable section around 30 ft/9 m where rays, turtles, and reef fish are commonly seen.

📍 3.6 km

Dominique'S Wall

⚓

Dominique's Wall is a drift dive outside Hanauma Bay on Oahu, featuring a vertical wall dived at roughly 18–30 m. It is recommended for advanced divers because currents can be strong. Divers may see lobsters, eels, spotted eagle rays, octopuses, sea turtles, and other game fish along the wall. Visibility can be around 25 m, with water temperatures about 21°C in winter and 27°C in summer.

📍 3.7 km

Fish Garden

Not Set

Fish Garden is a wall dive located between two coastal cave landmarks, where the sea cliffs drop away sharply. The site features a steep slope and areas of large boulder fields.

📍 4.3 km

Spitting Cave

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Spitting Cave is a deep, boat-access dive featuring lava rock formations with natural caves. The dive typically begins around 50 ft and descends to about 140 ft, offering an exciting profile suited to experienced divers. It is commonly done as a drift dive due to fairly strong current. The area is also known for encounters with Hawaiian monk seals and occasional shark sightings.

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Frequently Asked Questions

What's the best entry point at Halona Blowhole?

Entry at Halona Blowhole is detailed in the spot description above. Look for specific landmarks, access paths, and any tide or condition requirements. Local divers often share updated entry tips in their dive logs.

What conditions are best for diving Halona Blowhole?

Optimal conditions at Halona Blowhole depend on several factors including tide, wind, and season. Check recent dive logs for current condition reports and patterns. Generally, calmer seas and high tide provide better visibility and easier entry.

What is the maximum depth and typical visibility at Halona Blowhole?

Depth and visibility information for Halona Blowhole can be found in the spot details and recent dive logs. Conditions can vary significantly based on weather, tide, and season. Always plan your dive according to current conditions and your certification level.

Are there any safety considerations or local etiquette at Halona Blowhole?

When diving Halona Blowhole, respect local regulations, marine life, and other water users. Be aware of any specific hazards like currents or boat traffic mentioned in the spot description. Follow Leave No Trace principles and local diving etiquette.