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Kailua Bay / Oahu kitesurf, wingfoil and windsurf spot

United States · Hawaii

Spot currently openIntermediate level 21.4 | -157.73

Overview

Kailua Bay is one of Hawaii's most famous kitesurfing spots, located on Oahu's east (windward) coast. This stunning bay with turquoise waters and white sand is regularly ranked among the most beautiful beaches in the United States. The spot benefits from direct exposure to northeast trade winds that blow consistently and powerfully on this windward coast of the Ko'olau range. The reef protects a vast inner lagoon offering flat water ideal for progression, while waves form beyond the reef. Kailua Beach is an essential spot on the Hawaiian kite scene.

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Spot forecast for Kailua Bay / Oahu

Sunrise 06:28 · Sunset 18:02

Open-Meteo

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< 7 kn7–12 kn13–20 kn21–30 kn31–40 kn41+ kn Gusts Your minimum: 7 kn

Forecasts provided by Open-Meteo

Swell and waves

Swell and tides over 8 days. Premium members see the swell and tides over 8 days. Without a subscription: 5 days.

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Wave height: < 0.5 m 0.5–1 m 1–2 m 2–3 m ≥ 3 m

Swell data by Open-Meteo Marine

Tides

Heights above lowest astronomical tide, in the spot's local time. Computed 4.8 km from the spot.

6:0012:0018:006:0012:0018:006:0012:0018:006:0012:0018:006:0012:0018:00Tue 20Wed 21Thu 22Fri 23Sat 24 Now03:370.4 m11:140.7 m18:200.3 m23:560.5 m04:480.4 m11:360.7 m18:210.3 m00:240.6 m05:420.3 m11:580.7 m18:290.2 m00:540.7 m06:310.4 m12:200.7 m18:450.2 m01:260.8 m07:180.4 m12:440.7 m19:060.1 m
  • Tuesday 20 October Low tide · 0.4 m High tide · 0.7 m Low tide · 0.3 m High tide · 0.5 m
  • Wednesday 21 October Low tide · 0.4 m High tide · 0.7 m Low tide · 0.3 m
  • Thursday 22 October High tide · 0.6 m Low tide · 0.3 m High tide · 0.7 m Low tide · 0.2 m
  • Friday 23 October High tide · 0.7 m Low tide · 0.4 m High tide · 0.7 m Low tide · 0.2 m
  • Saturday 24 October High tide · 0.8 m Low tide · 0.4 m High tide · 0.7 m Low tide · 0.1 m

Kailua Bay / Oahu: when to go?

Rideable days and hours computed for a minimum wind of 7 knots · log in to set your own (foil, twin-tip…)

Season · peak

459h

in July · 31 rideable days

The season runs from May to November, peaking in July: 29 rideable days a month and 459 hours of usable wind, at 27 °C. The low point is January, at 9.5 days.

Rideable days per month

0 10 20 30 40 January: 9.5 rideable days9.5 d J February: 18.5 rideable days F March: 27.5 rideable days M April: 20.5 rideable days A May: 27.5 rideable days M June: 30 rideable days J July: 31 rideable days31 d J August: 30 rideable days A September: 27.5 rideable days S October: 29 rideable days O November: 28 rideable days N December: 15.5 rideable days D 0 10 20 30 40 January: 9.5 rideable days9.5 d J February: 18.5 rideable days F March: 27.5 rideable days M April: 20.5 rideable days A May: 27.5 rideable days M June: 30 rideable days J July: 31 rideable days31 d J August: 30 rideable days A September: 27.5 rideable days S October: 29 rideable days O November: 28 rideable days N December: 15.5 rideable days D

Wind strength when it is rideable

7-12 knots · 76%13-20 knots · 24%

When the spot works, wind sits mostly between 7 and 12 knots — 76% of rideable hours. Big-kite territory. The coldest month is February, at 25 °C. The wettest month is May, with 149 mm.

Monthly averages: Kailua Bay / Oahu
Monthly averages — Kailua Bay / Oahu — averaged over 2 years of records — Weather data by Open-Meteo.com — How it is calculated
Month Rideable days Usable wind Temperature Rain
January 9.5 97 h 26 °C 101 mm
February 18.5 197 h 25 °C 58 mm
March 27.5 332 h 26 °C 84 mm
April 20.5 257 h 26 °C 142 mm
May 27.5 383 h 26 °C 149 mm
June 30.0 435 h 27 °C 123 mm
July 31.0 459 h 27 °C 125 mm
August 30.0 393 h 28 °C 127 mm
September 27.5 341 h 28 °C 90 mm
October 29.0 324 h 28 °C 118 mm
November 28.0 291 h 27 °C 99 mm
December 15.5 155 h 26 °C 81 mm

Photo gallery of Kailua Bay / Oahu

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Technical details of Kailua Bay / Oahu spot

N: Not rideable NNE: Rideable NE: Rideable ENE: Rideable E: Rideable ESE: Not rideable SE: Not rideable SSE: Not rideable S: Not rideable SSW: Not rideable SW: Not rideable WSW: Not rideable W: Not rideable WNW: Not rideable NW: Not rideable NNW: Not rideable N E S W

The spot works with winds from NNE, NE, ENE, E.

Rideable Not rideable
Spot opening date · Required level
Spot opening date
Open all year round
Required level
Intermediate
On the water

Warm water year-round (24-27°C/75-80°F), no wetsuit needed — a lycra is sufficient. The bottom is a mix of white sand and coral reef. The inner lagoon offers flat water perfect for progression and freestyle. Beyond the reef, waves form for wave riding. Moderate currents in reef channels — beware of drifting offshore. Water is generally clear and shallow in the lagoon. Area very popular with riders — friendly atmosphere.

Hazards

Shallow coral reef — wear reef booties. Currents in reef channels can pull offshore. Sea urchins present on the reef. Very popular beach — many swimmers, kayakers, and stand-up paddlers. Protected sea turtles (honu) — legal distance required. Sharks (tiger sharks) occasionally reported in Kailua Bay. Humpback whales from December to April — federal law requires 100 yards distance. Portuguese man-of-war sometimes present. Many kiters — respect right-of-way rules.

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