Storm Sails: When Reefing Isn't Enough

You've already reefed down as the wind built. But past roughly 35 knots (Force 8, a gale), even a deeply reefed mainsail is too much cloth — the boat is overpowered, heeling hard, and rounding up. This is where storm sails come in: purpose-built, tiny, heavily reinforced sails made of thick cloth that keep the boat balanced and driving in survival conditions.

The two key sails are the storm jib (a small, low-cut headsail, often bright orange for visibility) and the trysail — a loose-footed triangular sail set instead of the mainsail, sheeted to the deck rather than the boom. Setting the trysail means dropping the main entirely, which removes the dangerous, flogging boom from the equation. Both are flown from reinforced tracks or dedicated attachment points, because ordinary hardware can tear out under storm loads.

The goal isn't speed — it's keeping steerageway and balance. Just enough sail area forward and aft keeps the bow from falling off or rounding up, so you retain control of the boat. From there, tactics diverge: heaving-to (backing a small headsail against a reefed main or trysail and lashing the helm to leeward) stalls the boat and creates a calm slick to windward. Running off before the seas under storm jib alone keeps speed manageable, sometimes trailing warps or a drogue to slow surfing and prevent broaching.