Mahaiula Bay (Kailua-Kona)
- Shortboard, Advanced riders
- Best for
- Intermediate to Expert
- Skill Level
- Ocean, Swell, Flat
- Spot Type
- Moderate
- Crowd Level
This spot information is AI-assisted and has not been human verified. It may be incomplete, outdated, or incorrect. Verify safety, access, local rules, and current conditions with official or local sources before riding.
About
Mahaiula Bay (within Kekaha Kai State Park on the leeward Kona coast) is a small, rugged beach-break that is best in winter. The spot is particularly known for long, peeling right-hand waves that can extend far into the bay during peak conditions, with reports of strong, powerful surf and consistently good wave shape when conditions line up. Wind conditions matter for surf quality: easterly winds are reported as offshore and can groom the wave faces for cleaner lines, while the bay is described as somewhat sheltered from strong northerly winds. In the broader regional pattern, winds often start calmer earlier in the day and become more consistent in the afternoon due to a thermal sea-breeze component. Safety is a priority here. The shoreline includes rocks and sharp lava rock/submerged reef hazards, and stronger currents (including rip currents) are possible during larger swells. There are no lifeguards on-site, and rescue is described as limited, so you should be self-sufficient and plan accordingly. Practical considerations are also important: access involves a long rough unpaved lava road (high clearance and/or 4WD is recommended), and no potable water is available at the park. Portable toilets and picnic areas are reported, while food and gear services are limited to nearby towns rather than at the beach itself.
- Long winter peeling right-hander into the bay
- Offshore East winds help groom wave faces
- Sharp lava rock and submerged reef hazards
- Rough unpaved road access; bring high-clearance vehicle and water
- Long peeling right-hand surf reported for winter months
- Clean/offshore conditions reported when trades blow offshore
- Crystal-clear water in the park setting
- Semi-sheltered bay layout
- Seasonal winter surf focus
- Rocky hazards and occasional sharp lava rock/submerged reef sections
- No lifeguards; limited rescue availability
- Rough/unpaved access road and no potable water
Wind, water and seasons
Wind
- Direction
- E, ENE
- Offshore directions
- E, ENE
- Wind Range
- 10–20 kts
- Wind Type
- Trade — Trade-wind / easterly wind pattern; East to NE directions are commonly offshore at the break.
- Reliability
- fair
- Gust Factor
- Moderate gusts — Reported as having moderate gusts.
- Best Months
- January, December, February, March
- Shadow Zones
- Some shelter from strong northerly winds is reported for the bay.
Water & beach
- Water Type
- Ocean, Swell, Flat
- Beach
- Mixed — Sand with mixed (lava/rock) sections at the edges/hazard areas.
- Beach Size
- Small
- Waves
- Small — Small overall size reported by one guide; other reports characterize winter surf as more powerful/producing medium to powerful waves depending on swell.
- Chop Level
- Light chop — Not explicitly quantified for chop; offshore trades are reported to groom waves when conditions are right.
- Launch
- Small — Sandy stretch/launch area with lava rock outcroppings at the edges.
Through the year
Weekends popular with local families; weekdays generally quieter (with winter surf sometimes crowded).
Occasional storm fronts with more rainfall from November to March; hurricane season June through November (regionally noted).
By sport
What to expect for each.
A seasonal beach-break that becomes best in winter, known for long right-hand peeling waves (with reports of both lefts and rights). Conditions are generally clean when winds are offshore.
- Wave Direction
- Right
- Optimal Swell
- NW, N
- Swell Height
- 1–2.5 m
- Optimal Tide
- Mid — Mid tide is reported as optimal.
- Shelter
- Semi-sheltered — Semi-sheltered bay setting, with some shelter from strong northerly winds.
- Wind Effect
- East winds are reported as offshore and help groom the wave faces; onshore winds (noted as westerly) are reported to create messier conditions.
- Bigger Swell
- During massive winter swells it can become heavy and close out.
- Wave Quality
- Good — Reported as good quality; also described as high-quality/clean when trades blow offshore.
- Wave Power
- Powerful — Wave power reported as powerful (and also described as a moderate right-hander in some winter notes).
- Wave Shape
- Peeling — Described as peeling; also characterized as a long right-hand wave that peels deeply into the bay in winter.
- Peel Speed
- Medium — Peel speed reported as medium.
- Ride Length
- Long — Rides can extend almost 100 yards into the bay during winter, with typical ride lengths also described around 50–100 meters depending on consistency.
- Typical Ride Length
- 50–100 m
- Ride Length Details
- Peels almost 100 yards into the middle of the bay in winter.
Check the forecast before you go
See wind, waves, weather and session windows for Mahaiula Bay (Kailua-Kona) in the full forecast view.
Mahaiula Bay (Kailua-Kona) wind and wave forecast summary
- Wind
- 2–8 ktsGusts 13 kts
- Direction
- NW311°
- Strongest day
- Wed, Oct 288 kts
- Windy days
- 0/712 kts or more
- Waves
- 0.7–1.4 m10s period
- Temperature
- 25–29 °C
Over the next 7 days, Mahaiula Bay (Kailua-Kona) is forecast for daytime winds of 2–8 kts, peaking around 8 kts on Wednesday, October 28 with gusts to 13 kts. The prevailing direction is NW. Waves run 0.7–1.4 m with a period of about 10s. Based on the Wavind model, in the spot’s local time.
Other spots in the area
What to know before you launch
Safety, access, restrictions, rescue, and local rules can change. Treat these details as informational and confirm them locally before launching.
Hazards
- rocks
- sharp lava rocks
- submerged reef sections
- submerged hazards
- rip currents possible during large swells
- occasional floating debris after storms
- strong sun exposure
- Vog (volcanic smog) on some days
- tiger sharks reported
Rescue & support
- Lifeguard
- None — No lifeguards are present.
- Rescue & Self-Rescue
- Limited — Regional context notes limited rescue capability (no permanent lifeguard stations); coastal rescue coverage exists via Hawaii County Coast Guard.
- Emergency Info
- Nearest major hospital is Kona Community Hospital (Kealakekua). Emergency number is 911 (cell service can be spotty).
- Localism / Vibe
- Mild — Reported as mild localism; at times popular with locals and adventure-seeking visitors.
Rules of the spot
Park/ranger rules are strictly enforced for Kekaha Kai State Park (including vehicle access only during park hours and no camping without permits).
- No camping without permits
- No pets allowed on the beach
- No alcohol
- Vehicle access only during park hours
- Arrive with a suitable vehicle: access is via a long, rough unpaved lava road; high clearance and/or 4WD is recommended.
- Bring plenty of water—no potable water is available at the park.
- Parking is typically via dirt/rough parking near the beach.
- If pushing into bigger winter swells, be prepared for stronger current and possible closeouts.
Getting there & access
- Nearest City
- Kailua-Kona
- Nearest Town
- Kalaoa
- Parking
- Dirt parking area available near the beach.
- Public Transport
- very limited; no public transportation to the remote coastal area
- Access
- Located in Kekaha Kai State Park (Mahai'ula / Kona area). Access is via a long, rough unpaved road off Highway 19 between the 90 and 91-mile markers; dirt parking near the beach.
- Local Language
- English
What's on the beach
- Accommodation
- Nearby town — Accommodation is available in Kailua-Kona (and nearby resort areas); none within the park.
- Food & Drink
- No vendors at the beach; nearest options are in Kailua-Kona or near the airport.
- Equipment Rental:
- No rentals on-site; multiple surf shops are located in Kailua-Kona.
- Gear Storage
- None available.
- Gear Repair
- Basic surfboard and marine repair services are reported in the Kona area (Honokohau industrial area).
No schools or services are listed for this spot yet.
Off the water
Kekaha Kai State Park offers rugged volcanic scenery with remote coastal beaches, historic coastal trails, and offshore wildlife opportunities.
Rugged beach park of historic coastal trails and lava fields.
Humpback whale breaching offshore is noted for Nov–Mar.
Protected swimming and snorkeling (nearby park beach).
Coastal heritage route / historic trail network through ancient Hawaiian settlement sites.
Hike up a cinder cone for panoramic coastline views.
Dining and bars in Kailua-Kona (with beachfront options noted).
Snorkeling and boogie boarding in protected swimming areas are reported for the nearby park beach area.
Shallow lagoon and white sands reported as family-friendly with easier access.
From riders who've been here
Latest reported conditions
Spot questions
Frequently asked questions
When is the best season at Mahaiula Bay (Kailua-Kona)?
The best overall months at Mahaiula Bay (Kailua-Kona) are January, February, December, March. The best wind months are January, December, February, March.
Which wind directions work at Mahaiula Bay (Kailua-Kona)?
Mahaiula Bay (Kailua-Kona) works with E, ENE winds. Offshore directions are E, ENE.
What skill level is Mahaiula Bay (Kailua-Kona) suitable for?
Mahaiula Bay (Kailua-Kona) suits these riding levels: Surfing: Intermediate to Expert.