Fish

Firewire Seaside

The Firewire Seaside is indexed as a twin-fin fish with a high paddle-support score and a broad catalogue volume range.

Official manufacturer information
Firewire Seaside surfboard

Where it fits

It fits surfers prioritising speed generation, glide and support from a fish direction rather than the rail-line feel of a conventional thruster shortboard.

Typical surfer profile

The high paddle support and forgiving direction make it relevant when wave-catching and easy speed matter, while exact construction remains a separate choice.

Wave direction

The controlled record points to reef breaks, beach breaks and points, with its fish character especially useful when generating speed is central to the brief.

How it differs from nearby models

Compared with the Lost RNF 96, the Seaside is indexed as a twin-fin fish; the RNF 96 is classified as a performance fish with twin-plus-trailer and five-fin options.

Dimensions and volume

Available size range

5'2 to 6'1, 26.5L to 46.5L across the reviewed catalogue records. The table below shows the complete canonical size set.

LengthWidthThicknessVolumeConstruction
5'2202 5/1626.5LHelium
5'320 5/162 3/828.2LHelium
5'420 5/82 7/1629.8LHelium
5'520 15/162 1/231.5LHelium
5'621 1/42 1/232.7LHelium
5'721 5/82 1/233.6LHelium
5'821 15/162 9/1635.4LHelium
5'922 1/42 5/837.3LHelium
5'1022 5/82 11/1639.4LHelium
5'1122 3/42 3/441.1LHelium
6'022 7/82 15/1644.8LHelium
6'122 15/16346.5LHelium

Controlled board direction

Board family
Fish
Design direction
Twin Fin Fish
Paddle support
High
Forgiveness
Moderate
Performance direction
Moderate
Fin setup
Twin

Guidance describes board characteristics, not a guaranteed performance outcome.

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Reviewed by QUIVRR editorial on 2026-07-14. Catalogue snapshot: 2026-07-14. Confirm final specifications with the manufacturer or retailer.