Bahamas - Weather

Jul 03, 2025

The Bahamas Weather for Sailors

The Bahamian climate is very pleasant, lying on the edge of the anticyclone belt. The weather is particularly pleasant in summer, between June and October, when it is cooler than the Eastern seaboard of the USA or in the Eastern Caribbean islands. Unfortunately, this is also the rainy season and the hurricane season, which lasts from July to November. Although several years can go by without a hurricane affecting The Bahamas, occasionally one might hit, such as Hurricane Floyd in 1999, which caused extensive damage to some of the islands. In winter, cold fronts bring a greater variety of wind directions but it is still pleasantly warm and dry.

The prevailing winds are from NE to SE, with the most Northern islands lying on the edge of the trade wind belt. As the islands are low there is no regular land breeze.

Winter Weather

Northers interrupt the NE trades with regularity during the winter and typically start with the wind veering to the S and SW. When the cold front arrives, the wind suddenly shifts to the NW then N and usually blows itself out in the NE. After a while, the normal winds take over from more or less their usual direction. In mid-winter, the cycle can take several days, in spring only 24 hours.

Most Northers are dry, although on occasions they can be accompanied by rain and thunder squalls. However, they very rarely bring winds over 30 knots and mainly the more Northerly Bahamas are the most affected by these Northers.

Summer Weather

Starts around May, after the last Northern has blown itself out, and lasts until November. The trades are more SE in the summer and most winds during these months are from the E or SE. During August and September, there can be periods of calms, especially at night. The balmy summer weather can be interrupted occasionally by an Easterly Wave, a trough of low pressure found in the trade wind belt. This is usually accompanied by showers and high humidity. Sometimes Easterly Waves can degenerate into tropical depressions and even hurricanes. May to October are the wettest months and rainy squalls occur during this season.

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