How Often Do Hurricanes Hit Grenada? A Sailor's Reading of the Record

Grenada's reputation among sailors rests on geography. At about 12 degrees north, the main island sits near the southern edge of the zone where Atlantic hurricanes usually track, and for most of the twentieth century it went decades between direct hits. That is why hundreds of yachts have made it their summer base, and why insurers long treated it as acceptable during the season.

The record also shows why that reputation needs reading carefully. Hurricane Janet in 1955, Ivan in 2004, Emily in 2005 and Beryl in 2024 all struck Grenada or Carriacou, two of them as major hurricanes, and Beryl did so on the first day of July. This page sets out what the history says, what makes low-latitude storms different, and how a boat owner should translate the numbers into decisions.

The storms that hit

Janet, September 1955. A powerful hurricane that crossed Grenada and caused heavy loss of life and widespread destruction. For half a century afterwards it was the reference storm in Grenadian memory, and its long shadow helped create the belief that a hit was a once-in-a-lifetime event.

Ivan, September 2004. Ivan passed over the south of the main island as a major hurricane on 7 September. It damaged or destroyed the large majority of homes, killed dozens of people, flattened the nutmeg industry and left many yachts on the south coast damaged or sunk. It ended the idea, among cruisers and insurers alike, that Grenada was beyond reach.

Emily, July 2005. Less than a year later, Emily crossed the northern part of the main island and Carriacou as a hurricane in mid-July, adding damage to an island still rebuilding.

Beryl, July 2024. Beryl's eye passed over Carriacou on 1 July as a Category 4 hurricane. Carriacou and Petite Martinique suffered devastating damage to homes, infrastructure and the yachts in Tyrrel Bay, while the main island was hit less severely. Beryl went on to become the earliest Category 5 hurricane on record in the Atlantic.

Why 12 degrees north is a lower risk, not no risk

Most Atlantic hurricanes that affect the Lesser Antilles cross the island chain further north, between Guadeloupe and the Virgin Islands, or curve away into the open Atlantic. Storms forming from tropical waves off Africa tend to gain latitude as they travel west, and the islands at 12 degrees north often see those systems pass at a distance, as tropical waves, depressions or developing storms rather than mature hurricanes.

But the steering pattern is not fixed. When a strong ridge of high pressure sits to the north, storms are pushed along a lower track, and those are the seasons when the southern Windward Islands are threatened. Ivan and Beryl both followed unusually low paths across the Atlantic and intensified while doing so.

There is also a timing point. Low-latitude storms early in the season, in June and July, are historically less common than late-summer storms, which is partly why the early weeks of the season were once treated as relatively safe. Beryl demonstrated that a major hurricane can arrive in the first days of July, when many crews are still in the middle of hauling out or moving south.

What the record means in practice

Direct hits are rare; near misses are not. In most seasons Grenada sees no hurricane at all, but tropical storms, depressions and strong tropical waves pass close several times a year. Each one can bring squalls, heavy rain and swell, and each requires a decision.

Severity is the issue, not just frequency. When a storm does strike this far south, it may be intense. A small number of hits over decades does not make the consequences small.

Carriacou and Petite Martinique sit further north. At around 12.5 degrees north, the Grenadine islands of Grenada are slightly more exposed than the main island, and Beryl showed the consequences. Some insurance boundaries treat them differently.

Recovery lasts longer than the storm. After Ivan and Beryl, yards, lifts, surveyors, building materials and parts were all in short supply for months. A boat damaged in a storm can wait a long time for repair.

Lead times can be short. Low-latitude storms can form close to the islands and strengthen quickly. Beryl went from a newly formed system to a major hurricane in a matter of days, leaving little time for boats still in the water to move. Preparation that depends on several days of warning may not get them.

Past luck is not a forecast. Long gaps between strikes encourage complacency, as the half-century between Janet and Ivan showed. Planning should assume a direct hit is possible in any season.

Storms that miss can still reach the anchorages

A hurricane passing well north of Grenada can still affect boats. Large storms generate long-period swell that travels hundreds of miles, and when it wraps around the island it can make normally calm anchorages untenable. West-facing bays, including Grand Anse and the St George's area, are exposed to swell from storms passing to the north and west, while the south-coast bays feel swell from the south and south-east.

The unusual west-to-east track of Hurricane Lenny in November 1999 sent heavy swell onto west-facing coasts across the eastern Caribbean, a reminder that the direction of approach matters as much as distance. Late-season storms passing south of the usual track, and winter swells from distant North Atlantic systems, are separate issues but have the same practical effect: an anchorage that was safe yesterday can become dangerous without any local wind.

Distant storms can also pull in strong winds from unusual directions. When a system passes to the north, the trade winds may die and then return from the west or south-west, the direction most south-coast bays are least protected from. Watch the forecast for wind direction, not only strength.

Turning history into a plan

Grenada's record is best used as a planning baseline rather than a reassurance. Owners who handle the season well tend to follow the same principles.

• Assume that at least one system will require a decision every season, even if none hits.
• Treat June and July as part of the season. Beryl reached Carriacou on 1 July.
• Decide your strategy, whether haul-out, hurricane hole or going south, before 1 June, and book any storage early.
• Read your insurance policy for latitude limits, dates and requirements, and get the insurer's agreement to your plan in writing.
• Set clear triggers for action, such as a named system forecast to pass within a set distance in the next 72 hours.
• Expect recovery to take months if the island is hit, and keep money and time in reserve for that.
• Follow official sources: the Grenada Meteorological Service, the National Disaster Management Agency (NaDMA) and the United States National Hurricane Center.

Misreadings to avoid

Treating the hurricane belt as a line. There is no sharp boundary. Risk tapers with latitude, and an unusual season can push storms south.

Counting only hurricanes. Tropical storms with 40 to 60 knot winds can drag anchors, swamp dinghies and damage boats in exposed bays. They are far more frequent than hurricanes.

Assuming Trinidad means zero risk. Trinidad, further south, is hit even less often, but tropical storms have affected it, and Tobago was struck by Hurricane Flora in 1963.

Relying on memory of a quiet season. Seasonal activity varies hugely. A quiet year says nothing about the next.

Reading seasonal forecasts as local forecasts. Pre-season outlooks from universities and national agencies predict how active the whole Atlantic basin will be. A below-average forecast does not mean Grenada is safer that year, and a busy forecast does not mean a hit. One storm in the wrong place is what matters, so prepare to the same standard every season.

Forgetting the land. A direct hit damages power, water, communications, roads and the airport. Crews on boats depend on that infrastructure for supplies and evacuation.

Frequently asked questions