St Kitts and Nevis Meteorological Forecast

This detailed weather forecast pertains to the Leeward Islands and British Virgin Islands for the period spanning September 19, 2025, through the evening of September 20, 2025. The forecast highlights the influence of lingering moisture and atmospheric instability, which are expected to generate brief periods of cloud cover and showers across the region, particularly during the night of the 19th. This atmospheric setup creates an environment conducive to precipitation, with a 60% probability of showers anticipated. The forecast emphasizes that these showers are likely to be brief and interspersed with periods of clearer skies.

Moving into Saturday, September 20, 2025, the forecast indicates the persistence of partly cloudy conditions with a continued 60% chance of showers. The daytime heating, combined with relatively light winds, is expected to contribute to the development of these showers. The wind pattern is predicted to shift from east to southeast, with speeds ranging from 6 to 15 km/h (3 to 9 mph). This gentle breeze will likely contribute to a comfortable ambient temperature, despite the potential for showers.

Temperature-wise, the forecast predicts a high of 33°C (91°F) and a low of 23°C (73°F). This temperature range suggests a pleasantly warm day with a relatively moderate drop in temperature overnight. The combination of warm temperatures and potential showers may create humid conditions, typical of tropical climates.

The marine forecast predicts sea conditions with wave heights ranging from 1.5 to 2.1 meters (5 to 7 feet). These waves are primarily attributed to northerly swells, which can create challenging conditions for marine activities. Importantly, the forecast notes the continuation of a high surf advisory, urging caution for those venturing into the coastal waters. This advisory underscores the potential hazards associated with the elevated swell activity.

The forecast provides specific times for sunrise and sunset on September 20, 2025. Sunrise is predicted at 5:59 am, marking the beginning of daylight hours, while sunset is forecast for 6:09 pm, signaling the transition to nighttime. This information provides a framework for planning outdoor activities and provides an indication of the length of daylight available.

In summary, the weather forecast for the Leeward Islands and British Virgin Islands from September 19 to 20, 2025, anticipates partly cloudy conditions with a 60% chance of brief showers throughout the period. The combination of lingering moisture, atmospheric instability, and daytime heating contributes to this forecast. Light winds shifting from east to southeast are expected, with speeds ranging from 6 to 15 km/h (3 to 9 mph). Temperatures are predicted to range from a high of 33°C (91°F) to a low of 23°C (73°F). Sea conditions are expected to be moderate, with wave heights of 1.5 to 2.1 meters (5 to 7 feet) due to northerly swells, prompting the continuation of a high surf advisory. Sunrise is predicted at 5:59 am and sunset at 6:09 pm on September 20. This comprehensive forecast provides valuable information for residents and visitors to plan their activities during this period.