Windsurf

Naish, 2021

Kailua 2021

2780mm long · 9'1"

850mm wide

≈ 157mm thick · estimated

180litres

Sizes & Numbers

Listed by the brand, read off a photo, or worked out: where every number comes from

In one line

Shorter and fuller than most. A rounded pin tail, a medium nose and gently curved rails.

derived · against the 104 other windsurf boards in the atlas, read off the outlines.

As listed by Naish

Naish Kailua 2021: every size as listed by Naish
sizelengthwidththicknessweight
180 L278.0 cm · 2780 mm850 mm≈ 157 mm · estimated–
250 L319.0 cm · 3190 mm890 mm≈ 181 mm · estimated–

Every size side by side, tails on one line, one scale

319027800 mm2780180 L850 w3190250 L890 w

Next to your board?

Lay the Naish Kailua 180 L over up to four others, at one scale.

Compare with…

Generations

After it · 2025

The 2025 180 L is 280 mm shorter and 90 mm narrower than the 2021 180 L; its wide point moved 167 mm toward the tail. Open the 2025

listed length and width · wide point derived

2021 180 L over the 2025 180 L, tails aligned, one scale
2021 180 L 2025 180 L

The Naish Kailua over time

Shape & Rocker

From above, then from the side, true scale · the chosen size solid, the others dashed

Naish Kailua 2021 from above and from the side, every size at true scale, tails aligned
Naish Kailua 2021 from the side, true proportions: the bottom's rocker over a flat table, every size

Read off the 180 L outline · derived

54 %wide point, 1504 mm from the tail

3.27length over width

539mm wide 12″ from the tail

18,779cm² of planform

Read off the 250 L outline · derived

54 %wide point, 1726 mm from the tail

3.58length over width

539mm wide 12″ from the tail

22,563cm² of planform

Rocker of the 180 L · estimated

≈ 36 mmtail rocker, at the tip
≈ 24 mm12″ from the tail
≈ 109 mm12″ from the nose
≈ 246 mmnose rocker, at the tip
≈ 569 mmflat to within 3 mm, from 39 % to 59 % of the length
48 %of the length to the lowest point, from the tail
≈ 157 mmat its thickest, 48 % from the tail
≈ 53 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 250 L · scaled from the 180 L, estimated

≈ 42 mmtail rocker, at the tip
≈ 29 mm12″ from the tail
≈ 139 mm12″ from the nose
≈ 284 mmnose rocker, at the tip
≈ 610 mmflat to within 3 mm, from 39 % to 59 % of the length
48 %of the length to the lowest point, from the tail
≈ 181 mmat its thickest, 48 % from the tail
≈ 61 mmlonger along the bottom curve than flat

Lay this rocker over other boards

True proportions · dots at 10 mm and 12″ in from each tip · bracket: flat to within 3 mm · On Naish's photo of the 180 L, where its traced side holds 27 % more than the listed 180 L: probably shot from slightly above. Tail end set by Naish's photo convention, not checked by a person. · estimated

Reviews & Videos

Original pages · 1

Similar Boards

Closest outlines from other models, once stretched to one length and width · derived