The Atlantic trade wind crossing is the passage that brings more sailors into bluewater sailing than any other. It is not the longest offshore passage — the Pacific legs are longer — but it is the one with the deepest infrastructure, the most organized support, and the most reliable conditions for a first serious ocean crossing. The trade winds blow northeast to southwest between the Canary Islands and the Eastern Caribbean with a consistency that has made this route a sailing highway since the age of exploration. Columbus used it. The ARC fleet uses it. Every November, hundreds of boats leave Las Palmas in Gran Canaria and three weeks later raise the Caribbean on the horizon.
The Classic Trade Wind Route
The standard departure point is Las Palmas de Gran Canaria in the Canary Islands, positioned at roughly 28°N — far enough south to find reliable northeast trades and far enough west to be clear of European weather systems that can make the Iberian coast unpredictable in late autumn. Some boats stage through Madeira or the Azores on the way south from northern Europe, but Las Palmas is where the fleet consolidates.
The rhumb line from Las Palmas to Barbados runs slightly south of due west, roughly 2,700 miles. The routing logic is simple: you want to get south of 20°N quickly to find the established trade winds, then follow them southwest. The classic Tradewind Route bends slightly south — sometimes as far as 15°N — before turning more directly west as the trades fill in. Getting south early means you spend less time in the variable winds that can exist in the 20–25°N band in early winter.
The landfall options at the Caribbean end are Barbados and St. Lucia, both well-organized ports of entry that are accustomed to handling dozens of offshore arrivals. Barbados is the more easterly island — if you've had a fast, consistent trade wind passage, you'll make Barbados; if you've drifted south or spent time motoring through the ITCZ, Rodney Bay in St. Lucia is slightly further south and west, which means a broader angle. Both have excellent facilities, good provisioning, and a welcoming marine community that understands what a three-week ocean passage means for the arriving crew.
The ARC: Rally or Race?
The Atlantic Rally for Cruisers — the ARC — is organized by World Cruising Club and departs Las Palmas in late November each year. With 200 or more boats in most editions, it is the world's largest offshore sailing rally by participation. The fleet is not racing in any meaningful competitive sense for most participants; the divisions exist, there are start guns, and some boats take the standings seriously. But the large majority of ARC boats are cruising boats crossing the Atlantic with the rally for the safety net, the camaraderie, and the organized departure infrastructure.
What the ARC provides: a structured check-in and safety system, a daily position reporting net, organized dock allocation in Las Palmas before departure, weather briefings, and the social architecture of a shared departure and arrival — you leave with the same boats you've been rafted alongside for two weeks, and you arrive in Rodney Bay to a dockside celebration that has been a fixture of Caribbean sailing culture for decades. The on-the-water connection is real; boats that have a problem in the passage can call for assistance from the fleet. The radio net coordinates position updates and weather. The overall framework is a safety net that many offshore cruisers value highly, especially on a first ocean crossing.
What the ARC doesn't provide is flexibility. The departure date is fixed. If your boat is not ready, you leave late and cross alone. The mandatory equipment requirements are thorough and non-negotiable; ARC safety inspections before departure catch boats that are not properly equipped. If you want to stop in Cape Verde — a legitimate and appealing option on the southern route — you do that outside the main ARC framework, though ARC+ runs a Cape Verde stop specifically.
Going It Alone: The Independent Crossing
Thousands of boats cross the Atlantic independently every year, departing on their own timeline from any of a dozen Canary Island ports or even from the Portuguese coast or Madeira. The independent crossing gives you the departure date you choose, the route you prefer, and the freedom to stop in Cape Verde if the mood takes you. It does not give you the daily radio check-in, the organized fleet safety net, or the guaranteed welcome at the other end.
The practical difference is smaller than it sounds. The Atlantic trade wind route is heavily traveled — you will see other boats, hear them on the radio, and be within range of maritime rescue services throughout most of the passage. AIS and satellite communication mean that a boat in trouble is not isolated in the way that was once possible. The primary argument for the ARC is the safety check-in structure and the social dimension; neither is negligible, but neither is irreplaceable for an experienced and well-prepared crew.
The ITCZ and the Doldrums
The Intertropical Convergence Zone — the ITCZ, historically called the doldrums — is the band of light, variable winds and squalls that sits near the equator between the Northern and Southern trade wind systems. On the Atlantic crossing, the ITCZ is typically encountered around 10–15°N depending on the time of year and the specific year's weather patterns. In November and December, when most boats cross, it tends to sit between 8°N and 12°N and can be anywhere from 100 to 600 miles wide.
The ITCZ is not the end of the world. It is tedious and potentially uncomfortable — variable winds from all directions, rain squalls that arrive suddenly and depart just as quickly, flat calms that leave you rolling on a glassy swell, and the decision of whether to motor through or wait for wind. Most passage-makers motor through at least part of it. The advice is consistent: carry enough diesel to motor 400 miles at your cruising speed, accept that you will use at least half of it, and get through quickly. Dawdling in the ITCZ burns time and patience without reward.
The emotional reality is that the ITCZ arrives at roughly the halfway point of the crossing, when the crew is settling into the passage rhythm and starting to count days to landfall. A 300-mile light-air slog in the middle of the best ocean passage in the world is genuinely demoralizing for some sailors. It passes. The trade winds south of the ITCZ are consistently excellent.
The North Atlantic Westbound: The Harder Route
Less discussed, because far fewer cruising boats attempt it, is the westbound crossing at northern latitudes: leaving from, say, the Azores or the UK in spring or summer and working northwest to take advantage of the North Atlantic weather systems before making the American coast. This is sailing against the predominant logic of the North Atlantic — the trades blow east to northeast across the south, and the prevailing westerlies and low-pressure systems at higher latitudes mean you're typically fighting rather than using the weather. The Gulf Stream assists if you work the American side of the crossing intelligently.
The northern westbound route is the domain of experienced offshore sailors and race boats. Delivery crews bringing European boats to the Caribbean or American east coast sometimes use it. It is not the approach for a first Atlantic crossing, and it is not what this article primarily addresses. But it exists, and it demonstrates that the Atlantic is a two-way ocean even if the trade wind logic makes the southern route nearly one-directional in practice.
Provisioning for 21 Days
The Atlantic crossing is long enough that provisioning deserves serious planning, but short enough that you can manage it with a well-stocked boat rather than the heroic provisioning required for the Pacific. The target is 25 days of food for a two-person crew — your expected 18–21 days plus a week of buffer for a slow passage, ITCZ motoring delays, or the discovery on day three that something you thought you had is not actually aboard.
Las Palmas has a large modern supermarket, a good mercado, and chandleries that specialize in passage provisioning. Buy hard cheese in wax rather than plastic-wrapped cheese that molds in humidity. Green bananas bought a week before departure ripen predictably in the tropics. Eggs — unwashed, tested for freshness in water, stored in an egg crate and turned every few days — last two to three weeks. Fresh vegetables that don't last: lettuce, tomatoes, herbs. Fresh vegetables that do: cabbage, carrots, onions, potatoes, sweet potatoes, hard squash.
The Emotional Arc
Experienced offshore sailors report a consistent emotional pattern on the Atlantic crossing: excitement and mild anxiety at departure, a difficult first three to five days while the crew adapts to sea motion and broken sleep on watch, a settled middle period when the trade winds establish and the passage finds its rhythm, and an anticipatory eagerness in the final week that makes the last 500 miles feel longer than they are. The ITCZ interrupts the settled middle with frustration. The sighting of land — typically Barbados rising out of the trade wind horizon after three weeks of nothing — is one of the more profound experiences in offshore sailing.
Landfall in Rodney Bay in St. Lucia, if that's your destination, involves customs and immigration followed by rum punch. Both are traditional. The marina staff who hand you a dock line have done it hundreds of times. They understand what you've just done. The beer tastes different after 2,700 miles.