Shortboard, Advanced riders
Best for
Intermediate
Skill Level
Swell, 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 It may be incomplete, outdated, or incorrect.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 this spot

About

Kewalos is a small, exposed reef break at the mouth of Kewalo Basin, reached from the Kewalo Basin/Ala Moana side and involving a paddle across the harbor mouth to the break. The surf is typically fast, hollow/punchy, and high-performance, with a shorter left and a longer right-hand wave that can offer barrel sections. Reef/rocks are part of the equation, and conditions can shift quickly based on swell size and wind direction. Wind-wise, the spot is associated with north trade winds, with the cleanest wave faces generally coming when North or Northeast winds run offshore. Typical trade-wind ranges are about 10–20 knots (with reports extending higher), and wind is described as fairly consistent. Afternoon effects can appear when the trade winds weaken, but the overarching pattern is dominated by trades. Safety is a major consideration. The harbor environment includes man-made structures and boat traffic, plus buoys and a channel that can create strong rip/treadmill-like currents on bigger swells. Hazards called out include sharp reefs, sea urchins, and sharks. Crowds can be heavy in peak periods and especially on weekends, so line-up space and etiquette matter. For timing, May through September are reported as the best months, aligning with the stronger summer swell window. Surf is described as reliable year-round, but the optimum conditions are typically associated with summer. Respect the harbor channel restrictions and plan around local access rules; emergency services can be reached via 911, and the nearest major trauma center is reported as Queen’s Medical Center.

  • High-performance reef break at the harbor mouth with both left and right-hand waves.
  • Cleanest surf when North/Northeast winds blow offshore.
  • Summer (May to September) is the main optimum window.
Great for
Surfing shortboardAdvanced riders
What's great
  • Consistent, high-performance reef break with both left and right-hand waves.
  • Offshore North or Northeast trade winds can produce clean, peeling wave faces.
  • Summer is consistently the optimum time for surfing activity and peak swell patterns.
Heads up
  • Competitive, fast line-up that can get crowded—especially on weekends and during summer swells.
  • Serious physical hazards from shallow reef/rocks, sea urchins, and harbor-side man-made structures.
  • Harbor-channel conditions can be dangerous on bigger days (current/treadmill effect) and boats may be hard to see.
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Practical spot guide

Wind, water and seasons

Wind

Direction
N
Offshore directions
N, NNE
Wind Range
10–20 kts
Wind Type
Trade — North trade winds at the harbor mouth
Reliability
fairly consistent
Gust Factor
Steady — Reported as steady (and generally light gusting in the afternoon)
Best Months
May, June, July, August, September
Shadow Zones
Buildings inland can create slight turbulence near the shore.

Water & beach

Water Type
Swell, Ocean
Beach
Rocks — Rocky/reef environment.
Beach Size
Small
Waves
Medium — Surf described as medium; can become powerful/heavy on larger swell days.
Launch
Medium — Harbor-mouth launch from Kewalo Basin; paddle across to the break (also described as using a rocky entrance/concrete ledge into a channel).
Launch Difficulty
Moderate — Reported as moderate; involves paddling into/through the harbor-mouth area to the reef break.

Through the year

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Best seasonOff-season
24–27 °C
Water Temperature
23–31 °C
Air Temperature
Wetsuit Guide
Jun–May: Rash guard or 1mm topDec–Nov: 2mm shorty or top can be comfortable (especially winter mornings)
Crowds by Season

Peak in summer (especially weekends and after-work hours); less crowded in winter.

Storm/Rain Season

November to March

By sport

What to expect for each.

SurfingBest for this spotSkill Level

Fast, high-performance reef break at the mouth of Kewalo Basin, typically offering a shorter, fast left and a longer right (including a high-performance right sometimes described as ‘Straight-outs’).

Reef break
Wave Direction
Both
Optimal Swell
SSE, S, SW
Swell Height
1.2–2 m
Optimal Tide
All tides — All-tides reported as acceptable.
Shelter
Exposed — Exposed harbor-mouth reef break.
Wind Effect
Cleanest with offshore North or Northeast winds; north wind reported as creating clean, peeling waves.
Bigger Swell
Holds size; can become very heavy and the channel current gets difficult on bigger swells.
Wave Quality
Good — Reported as good/very good to excellent depending on conditions.
Wave Power
Powerful — Fast hollow waves with high performance potential.
Wave Shape
Hollow — Reported as hollow/punchy; peeling can also be noted depending on swell and wind.
Peel Speed
Fast — Peaky, punchy reef break; peels quickly with offshore-north wind.
Ride Length
Medium — Short lefts; longer right-hand walls with barrel sections.
Typical Ride Length
50–100 m
Ride Length Details
Left can be short and fast; right tends to be longer and more workable with barrel sections.
Forecast

Check the forecast before you go

See wind, waves, weather and session windows for Kewalos in the full forecast view.

Kewalos wind and wave forecast summary

Wind
5–10 ktsGusts 23 kts
Direction
ENE57°
Strongest day
Sat, Oct 2410 kts
Windy days
0/712 kts or more
Waves
0.9–1.4 m12s period
Temperature
22–28 °C

Over the next 7 days, Kewalos is forecast for daytime winds of 5–10 kts, peaking around 10 kts on Saturday, October 24 with gusts to 23 kts. The prevailing direction is ENE. Waves run 0.9–1.4 m with a period of about 12s. Based on the Wavind model, in the spot’s local time.

Nearby

Other spots in the area

Safety

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
  • Shallow coral/reef
  • Sea urchins
  • Man-made obstacles (harbor structures)
  • Buoys
  • Boat traffic
  • Strong channel currents (treadmill effect on big days)
  • Heavy crowds (especially weekends)
  • Sharks (including tiger sharks)
Ability Level: Intermediate
Recommended Safety Gear
HelmetImpact vestBootsLeashWetsuit

Rescue & support

Lifeguard
None — Reported as no lifeguard presence at the spot; regional lifeguard coverage exists along the coast.
Rescue & Self-Rescue
Limited — Reported as limited at the spot.
Emergency Info
Honolulu emergency services reachable at 911; nearest major trauma center reported as Queen's Medical Center.
Localism / Vibe
Moderate — Reported as competitive and locally strict in the line-up.

Rules of the spot

Traditional surf etiquette is reported as strictly enforced; respect the local line-up.

Restrictions
  • The boat channel is strictly off-limits for surfing.
  • Respect harbor/park access hours (Kewalo Basin Park hours apply).
Local Tips
  • Park at Kewalo Basin/Ala Moana area and paddle across the harbor mouth to the break.
  • Avoid buoys and man-made structures.
  • Be cautious with the harbor channel current on bigger swells; boats may not always see you.
  • Consider inside peaks when the main peak is crowded.
  • Take extra care on weekends due to heavier crowds.

Getting there & access

Nearest City
Honolulu
Nearest Town
Honolulu
Parking
Park at Ala Moana Beach Park or Kewalo Basin Park; weekend parking can fill quickly.
Access
Take stairs down from the Diamond Head side of Ala Moana Beach Park; park and paddle across from Kewalo Basin Park.
Cost Level
Moderate
Local Language
English
Amenities

What's on the beach

Showers
Toilets
Picnic area
Parking
Accommodation
Nearby town — Numerous hotels in the Ala Moana and Waikiki areas.
Food & Drink
Picnic tables and wall seating directly fronting the water; nearby amenities at Ala Moana Beach Park/Ward Village/Ala Moana Center.
Equipment Rental:
Equipment rental is available via many shops in Waikiki and Ala Moana; surfboard access is widely available in the region.
Gear Storage
No specific gear storage at the spot reported; limited public storage regionally and many hotels can provide storage for guests.
Gear Repair
Several surf shops nearby offer board repair services.
Learn, rent & more

Schools & services

No schools or services are listed for this spot yet.

Reviews

From riders who've been here

Community observations

Latest reported conditions

Spot questions

Frequently asked questions

When is the best season at Kewalos?

The best overall months at Kewalos are May, June, July, August, September.

Which wind directions work at Kewalos?

Kewalos works with N winds. Offshore directions are N, NNE.

What skill level is Kewalos suitable for?

Kewalos suits these riding levels: Surfing: Intermediate.