Pier One (Kahului Harbor)
- Shortboard, Advanced riders
- Best for
- Advanced to Expert
- Skill Level
- Big waves, Ocean
- Spot Type
- Busy
- 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 It may be incomplete, outdated, or incorrect.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
Pier One (Kahului Harbor) is an exposed reef break on the eastern edge of Kahului Harbor that produces fairly consistent, winter-focused surfing. Multiple sources describe it as powerful and often “hollow/ledgey,” with the wave being high-consequence due to sharp reef/rock hazards and the proximity of harbor infrastructure. Wind-wise, the spot is reported to work best with south offshore wind and a North–Northeast swell angle. While winds can be variable, winter is consistently highlighted as the optimum time of year, with December called out as a best month and with offshore south winds improving wave face cleanliness. Sources also note that trades can blow onshore at times, and harbor turbulence near the breakwater may further affect conditions. From a performance standpoint, the break is described as capable of both shorter and longer rides: some reports characterize it as a long reef route (around 150–300 m on good days), while other descriptions emphasize shorter typical lengths but with the spot still holding up when the surf is huge. Wave quality is consistently rated highly. Safety is the primary concern: expect rocks/reef, rips/strong currents, and shark risk, plus occasional debris in the harbor mouth. The lineup can get quite busy when surf is up, and access may be restricted due to harbor operations. The spot is generally described as expert-level territory, with recommendations stressing sturdy footwear for the rocky approach and caution in the lineup.
- Winter is the optimum season; December specifically highlighted as best month
- South offshore winds preferred; North–Northeast swell angle
- Reputation for powerful, sometimes hollow reef waves
- High hazard environment: rocks/reef, rips/currents, and sharks
- Exposed reef break with fairly consistent surf
- Strong reputation for powerful, sometimes hollow sections in winter
- Works across a range of tides (all-tides noted; mid/high rising tide also preferred)
- South offshore winds in winter help groom the wave faces
- High-consequence reef/rock environment with strong currents and rips risk
- No lifeguards reported at the spot
- Can get busy when waves are up
- Access and conditions can be affected by harbor operations and debris
Wind, water and seasons
Wind
- Direction
- S, SW
- Offshore directions
- S
- Wind Range
- 10–20 kts
- Wind Type
- Frontal — One source lists frontal; other sources emphasize south offshore winds in winter and trades that can blow onshore.
- Reliability
- Moderate; trades are frequent but often blow onshore. For surf, winter offshore from the south is preferred.
- Gust Factor
- Moderate gusts
- Best Months
- December, January, February, March
- Shadow Zones
- The harbor breakwater can offer some wind protection but may also create turbulence.
Water & beach
- Water Type
- Big waves, Ocean
- Beach
- Rocks — Rock/reef-dominant shoreline with sharp rocky bottom.
- Beach Size
- Small
- Waves
- Big — Swell described as starting around 2-2.5 m (working range) and holding up to ~5 m and over.
- Launch
- Small — Rocky harbor-side access point; rocky entry or long walk/paddle from harbor area.
- Launch Difficulty
- Difficult — Spot-level sources describe difficult access and moderate-to-difficult launch complexity.
Through the year
Empty to moderate depending on swell; can get quite busy in the water when the surf is up. Biggest days are handled by only a small number of experts.
Typical tropical rain can occur throughout the year, with more frequent squalls in winter; rainy season noted as November–March.
By sport
What to expect for each.
Exposed reef break on the edge of Kahului Harbor that works best in winter, with south offshore winds and North–Northeast swell. Known for powerful, sometimes hollow sections and high consequence due to sharp reef and strong currents near harbor infrastructure.
- Wave Direction
- Right
- Optimal Swell
- N, NNE, NE, NW
- Swell Height
- 3–10 m
- Optimal Tide
- All tides, Mid, High — Sources describe all-tides and also note best performance around mid and high (rising) tide.
- Shelter
- Exposed — Exposed setup with wave/breakout directly influenced by harbor conditions and reef.
- Wind Effect
- South winds are offshore and provide cleaner/groomed faces; north winds blow into the wave.
- Bigger Swell
- Reported to hold significant size and become a very high-consequence wave; can keep its character when the surf is larger.
- Wave Quality
- Excellent
- Wave Power
- Very powerful — Also described as powerful; hollow/ledgey tendencies reported.
- Wave Shape
- Hollow — Also described as mixed.
- Peel Speed
- Fast
- Ride Length
- Long — Rides can be long (reported 150–300 m on optimal days) though at other times ride length is described as short.
- Typical Ride Length
- 150–300 m
- Ride Length Details
- One source reports normal length as long (150 to 300 m) and good day length similarly; another describes typical ride length as short while still saying it can hold up when huge.
Check the forecast before you go
See wind, waves, weather and session windows for Pier One (Kahului Harbor) in the full forecast view.
Pier One (Kahului Harbor) wind and wave forecast summary
- Wind
- 4–11 ktsGusts 21 kts
- Direction
- NE51°
- Strongest day
- Wed, Oct 2811 kts
- Windy days
- 0/712 kts or more
- Waves
- 1.3–2.2 m9s period
- Temperature
- 23–28 °C
Over the next 7 days, Pier One (Kahului Harbor) is forecast for daytime winds of 4–11 kts, peaking around 11 kts on Wednesday, October 28 with gusts to 21 kts. The prevailing direction is NE. Waves run 1.3–2.2 m with a period of about 9s. 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
- Rips
- Rocks
- Sharks
- Sharp reef/coral reef
- Strong currents
- Powerful waves
- Harbor traffic
- Heavy rocks
- Reef/coral
- Occasional large debris in the harbor mouth
Rescue & support
- Rescue & Self-Rescue
- No — Spot-level sources report no rescue availability.
- Emergency Info
- Nearest medical facilities are in Wailuku and Kahului. Emergency number: 911.
- Localism / Vibe
- Heavy — Sources describe localism as mild to heavy; one source characterizes it as a sensitive hierarchy.
Rules of the spot
Respect the local lineup; this is a high-performance, sensitive spot. Be mindful of local hierarchy and restricted access during harbor operations.
- Access may be restricted due to harbor operations.
- Beware of rips, sharks and rocks.
- Do not attempt unless you are highly experienced in heavy reef breaks.
- The walk to the point can be long and requires sturdy footwear over rocks.
- When the surf is up, the lineup can get quite busy.
- Currents can pull toward the harbor mouth or the breakwater.
Getting there & access
- Nearest City
- Kahului
- Nearest Town
- Wailuku
- Nearest Airport
- Kahului Airport (OGG)
- Parking
- Limited parking near the harbor entrance or adjacent industrial areas; a nearby dirt area is mentioned for access.
- Public Transport
- Maui Bus serves Kahului and Wailuku; carrying large sports equipment on standard routes may be restricted.
- Access
- Rocky harbor-side access; often a rocky entry or a long walk over rocks (or paddle from within the harbor).
- Cost Level
- Moderate
- Local Language
- English
What's on the beach
- Accommodation
- Nearby town — Various hotels and rentals in Kahului and Wailuku.
- Food & Drink
- Numerous options available in nearby Kahului.
- Equipment Rental:
- Surf shops are available, but they rarely rent equipment for conditions of this caliber.
- Gear Repair
- Board repair services via local surf shops are available.
No schools or services are listed for this spot yet.
Off the water
The Wailuku and Kahului coast area offers convenient access to both water sports and well-known cultural and scenic outings.
Iconic volcanic summit and alpine desert.
A lush valley featuring the iconic Iao Needle.
Concerts, art galleries, and traditional Hawaiian performances.
Historic Kahului waterfront and harbor district.
Scenic drive with waterfalls and rainforests.
Haleakala sunrise hiking experiences.
Humpback whale watching (Dec–Apr), shore-based or by boat.
Local and international cuisine in Kahului town.
A local hub for coffee and light meals in historic Wailuku.
Wetland bird sanctuary home to endangered Hawaiian waterbirds.
Ocean safety programs and beach parks.
From riders who've been here
Latest reported conditions
Spot questions
Frequently asked questions
When is the best season at Pier One (Kahului Harbor)?
The best overall months at Pier One (Kahului Harbor) are November, December, January, February, March. The best wind months are December, January, February, March.
Which wind directions work at Pier One (Kahului Harbor)?
Pier One (Kahului Harbor) works with S, SW winds. Offshore directions are S.
What skill level is Pier One (Kahului Harbor) suitable for?
Pier One (Kahului Harbor) suits these riding levels: Surfing: Advanced to Expert.