Firewire, 2026

Seaside Helium

1600mm long · 5'3"

516mm wide

60mm thick

28.2litres

Open in Studio See it on firewiresurfboards.com

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 swallow tail, a pointed nose and curvy rails.

derived · against the 109 other surf boards in the atlas, read off the outlines.

As listed by Firewire

Firewire Seaside Helium: every size as listed by Firewire
size	length	width	thickness	weight
26.5 L	5'2" · 1575 mm	508 mm	59 mm	–
28.2 L	5'3" · 1600 mm	516 mm	60 mm	–
29.8 L	5'4" · 1626 mm	524 mm	62 mm	–
31.5 L	5'5" · 1651 mm	532 mm	64 mm	–
32.7 L	5'6" · 1676 mm	540 mm	64 mm	–
33.6 L	5'7" · 1702 mm	549 mm	64 mm	–
35.4 L	5'8" · 1727 mm	557 mm	65 mm	–
37.3 L	5'9" · 1753 mm	565 mm	67 mm	–
39.4 L	5'10" · 1778 mm	575 mm	68 mm	–
41.1 L	5'11" · 1803 mm	578 mm	70 mm	–
44.8 L	6'0" · 1829 mm	581 mm	75 mm	–
46.5 L	6'1" · 1854 mm	583 mm	76 mm	–

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

Next to your board?

Lay the Firewire Seaside 28.2 L over up to four others, at one scale.

Compare with…

Shape & Rocker

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

Read off the 26.5 L outline · derived

53 %wide point, 841 mm from the tail

3.10length over width

395mm wide 12″ from the tail

6,225cm² of planform

Read off the 28.2 L outline · derived

53 %wide point, 855 mm from the tail

3.10length over width

400mm wide 12″ from the tail

6,424cm² of planform

Read off the 29.8 L outline · derived

53 %wide point, 868 mm from the tail

3.10length over width

404mm wide 12″ from the tail

6,627cm² of planform

Read off the 31.5 L outline · derived

53 %wide point, 882 mm from the tail

3.10length over width

408mm wide 12″ from the tail

6,832cm² of planform

Read off the 32.7 L outline · derived

53 %wide point, 895 mm from the tail

3.11length over width

412mm wide 12″ from the tail

7,042cm² of planform

Read off the 33.6 L outline · derived

53 %wide point, 909 mm from the tail

3.10length over width

417mm wide 12″ from the tail

7,274cm² of planform

Read off the 35.4 L outline · derived

53 %wide point, 922 mm from the tail

3.10length over width

422mm wide 12″ from the tail

7,489cm² of planform

Read off the 37.3 L outline · derived

53 %wide point, 936 mm from the tail

3.10length over width

426mm wide 12″ from the tail

7,708cm² of planform

Read off the 39.4 L outline · derived

53 %wide point, 949 mm from the tail

3.09length over width

431mm wide 12″ from the tail

7,951cm² of planform

Read off the 41.1 L outline · derived

53 %wide point, 963 mm from the tail

3.12length over width

432mm wide 12″ from the tail

8,110cm² of planform

Read off the 44.8 L outline · derived

53 %wide point, 977 mm from the tail

3.15length over width

432mm wide 12″ from the tail

8,268cm² of planform

Read off the 46.5 L outline · derived

53 %wide point, 990 mm from the tail

3.18length over width

431mm wide 12″ from the tail

8,406cm² of planform

Rocker of the 26.5 L · scaled from the 28.2 L measured

58 mmtail rocker, at the tip

24 mm12″ from the tail

20 mm12″ from the nose

87 mmnose rocker, at the tip

382 mmflat to within 3 mm, from 39 % to 63 % of the length

48 %of the length to the lowest point, from the tail

66 mmat its thickest, 47 % from the tail

14 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 28.2 L · measured

59 mmtail rocker, at the tip

25 mm12″ from the tail

20 mm12″ from the nose

88 mmnose rocker, at the tip

385 mmflat to within 3 mm, from 39 % to 63 % of the length

48 %of the length to the lowest point, from the tail

68 mmat its thickest, 47 % from the tail · on the photo; Firewire lists 60 mm

14 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 29.8 L · scaled from the 28.2 L measured

60 mmtail rocker, at the tip

26 mm12″ from the tail

21 mm12″ from the nose

90 mmnose rocker, at the tip

389 mmflat to within 3 mm, from 39 % to 63 % of the length

48 %of the length to the lowest point, from the tail

70 mmat its thickest, 47 % from the tail

14 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 31.5 L · scaled from the 28.2 L measured

61 mmtail rocker, at the tip

27 mm12″ from the tail

22 mm12″ from the nose

91 mmnose rocker, at the tip

392 mmflat to within 3 mm, from 39 % to 63 % of the length

48 %of the length to the lowest point, from the tail

72 mmat its thickest, 47 % from the tail

14 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 32.7 L · scaled from the 28.2 L measured

62 mmtail rocker, at the tip

28 mm12″ from the tail

23 mm12″ from the nose

93 mmnose rocker, at the tip

395 mmflat to within 3 mm, from 39 % to 63 % of the length

48 %of the length to the lowest point, from the tail

72 mmat its thickest, 47 % from the tail

15 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 33.6 L · scaled from the 28.2 L measured

63 mmtail rocker, at the tip

29 mm12″ from the tail

24 mm12″ from the nose

94 mmnose rocker, at the tip

399 mmflat to within 3 mm, from 39 % to 63 % of the length

48 %of the length to the lowest point, from the tail

72 mmat its thickest, 47 % from the tail

15 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 35.4 L · scaled from the 28.2 L measured

64 mmtail rocker, at the tip

30 mm12″ from the tail

25 mm12″ from the nose

96 mmnose rocker, at the tip

402 mmflat to within 3 mm, from 39 % to 63 % of the length

48 %of the length to the lowest point, from the tail

74 mmat its thickest, 47 % from the tail

15 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 37.3 L · scaled from the 28.2 L measured

65 mmtail rocker, at the tip

31 mm12″ from the tail

26 mm12″ from the nose

97 mmnose rocker, at the tip

405 mmflat to within 3 mm, from 39 % to 63 % of the length

48 %of the length to the lowest point, from the tail

76 mmat its thickest, 47 % from the tail

15 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 39.4 L · scaled from the 28.2 L measured

66 mmtail rocker, at the tip

32 mm12″ from the tail

27 mm12″ from the nose

99 mmnose rocker, at the tip

408 mmflat to within 3 mm, from 39 % to 62 % of the length

48 %of the length to the lowest point, from the tail

77 mmat its thickest, 47 % from the tail

16 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 41.1 L · scaled from the 28.2 L measured

67 mmtail rocker, at the tip

33 mm12″ from the tail

27 mm12″ from the nose

100 mmnose rocker, at the tip

411 mmflat to within 3 mm, from 40 % to 62 % of the length

48 %of the length to the lowest point, from the tail

79 mmat its thickest, 47 % from the tail

16 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 44.8 L · scaled from the 28.2 L measured

68 mmtail rocker, at the tip

34 mm12″ from the tail

28 mm12″ from the nose

102 mmnose rocker, at the tip

414 mmflat to within 3 mm, from 40 % to 62 % of the length

48 %of the length to the lowest point, from the tail

84 mmat its thickest, 47 % from the tail

16 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 46.5 L · scaled from the 28.2 L measured

69 mmtail rocker, at the tip

35 mm12″ from the tail

29 mm12″ from the nose

103 mmnose rocker, at the tip

417 mmflat to within 3 mm, from 40 % to 62 % of the length

48 %of the length to the lowest point, from the tail

86 mmat its thickest, 47 % from the tail

16 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 · Measured on Firewire's photo of the 28.2 L. Tail end set by Claude, not checked by a person.