Heavy Weather Tactics: Hove-To, Lying Ahull, and Running Off

Heavy seas and sailing yacht weathering waves

Sooner or later, every bluewater sailor gets caught in weather they would rather not be in. The decisions you make when the wind is building past 35 knots and the seas are stacking steep and short will determine whether the next 24 hours are exhausting but uneventful or genuinely dangerous. There are four classical heavy weather tactics for a small cruising yacht — sailing on, heaving-to, lying ahull, and running off — and each has its place. Knowing which to choose, and when, is the difference between seamanship and luck.

Read the Conditions, Not the Wind Speed

It's rarely the wind speed alone that forces a tactical decision. A yacht that's comfortable under deeply reefed main and staysail in 40 knots of steady trades can be overwhelmed by 30 knots over a strong contrary current. The real inputs are: sea state (wave height and steepness), wave period, whether seas are crossed or regular, crew fatigue, sea room (especially distance to any lee shore), and boat condition. A boat that has been pounding for 36 hours needs different tactics than a fresh one.

Option One: Sail On

Most of the time, you keep sailing. Modern cruising boats with deep reefs in the main and a staysail or storm jib can make useful progress in 40-45 knots of true wind on a close reach, provided the crew can handle it. Reef early and reef deeply — the rule that a reef put in on deck before it's needed is almost always the right call has not been repealed by modern design.

The most important sail inventory choice for bluewater cruising is a proper storm jib and trysail, or a staysail setup that gives you an equivalent third reef. Many modern boats now ship with a third reef point, which effectively replaces the trysail for most scenarios and is easier to set.

Option Two: Heave-To

Heaving-to is the classic defensive tactic — back the staysail to windward, lash the helm to leeward, and let the boat settle into a slow fore-reach at 45-60 degrees off the wind. Done correctly, a properly-balanced heave-to is extraordinarily restful. You make 1-2 knots of leeward drift, seas break up in the slick to windward, and the boat motion becomes almost civilized.

Not every boat heaves-to well. Fin-keel/spade-rudder designs from the 1990s onward often fore-reach too aggressively or won't settle. Full-keel and cutaway-forefoot boats are the gold standard for heaving-to. Practice in benign conditions first — 20-25 knots on a calm weekend — so you know your boat's balance when the weather is actually nasty. Make notes: sheet tensions, helm position, drift direction, approximate speed over ground.

Option Three: Lying Ahull

Lying ahull — taking all sail off and letting the boat drift broadside to the wind and seas — is a last-resort tactic, generally recommended only when heaving-to is no longer safe and running off has become too dangerous. The problem is exposure. With no sail up to steady the boat, a modern cruiser lies beam-to the seas, rolling violently and at risk of being rolled by a breaking wave. Most experienced bluewater sailors now treat lying ahull as a fallback rather than a default.

Option Four: Running Off

When seas become too steep to safely face into them, you turn and run downwind. Running off with deeply reefed sails — a scrap of genoa, perhaps a storm jib only — lets you steer down the face of breaking seas at speeds that keep the boat under control without launching off crests. The key variable is speed: too slow and the boat wallows with no rudder authority; too fast and you're overtaking the waves and risk pitch-poling.

The classic addition is trailing drogues. A Jordan Series Drogue, deployed from the stern with a proper bridle, slows the boat to 3-4 knots and holds the stern into the seas. It requires preparation — the bridle and chainplates need to be engineered and installed before the passage — but many veteran bluewater sailors consider it the single most valuable piece of heavy-weather equipment they own. The Pardeys' alternative — a sea anchor from the bow — has its advocates and its critics, and suits some designs better than others.

Practice, Then Plan

Heavy weather tactics are not a theoretical topic. Every offshore crew should practice at least heaving-to and deep reefing in 25 knots. Every bluewater boat should have a Jordan Series Drogue or equivalent mounted and ready, not buried in a lazarette. And every passage plan should include a weather routing review the morning of departure and at least once per 12 hours thereafter, so a building storm becomes a decision rather than an ambush.

Charts, Checklists & Sea Stories

Join cruisers who plan smarter passages. Free weekly guides on gear, weather routing, and life offshore.