Fair and hazy conditions expected, tropical wave approaches region
CASTRIES, St Lucia — St Lucia Weather August 30 2025 forecasts cloudy skies with scattered showers as weak tropical activity and atmospheric instability influence conditions across the Eastern Caribbean, according to the Saint Lucia Meteorological Services.
At noon, forecaster Vigil Saltibus reported cloudy weather at both Hewanorra International Airport and George F. L. Charles Airport, with showers developing near the south of the island. The temperature at Hewanorra stood at 31°C (88°F), following a minimum of 27°C (81°F) overnight. Relative humidity was measured at 74 percent, while winds blew from the east-southeast at 17 mph (28 km/h).
Rainfall, tides, and sea conditions
In the 24 hours ending at 8 a.m., Hewanorra recorded 1.2 millimeters of rainfall, while GFL Charles registered 4.9 millimeters. Total rainfall for August now stands at 87 millimeters in the south and 97.3 millimeters in the north.
Seas remain slight to moderate, with waves between 3 to 5 feet (0.9 to 1.5 meters). In Castries Harbour, low tide is expected at 1:00 p.m., followed by high tide at 7:59 p.m. At Vieux Fort Bay, low tide is forecast at 2:27 p.m., with high tide at 9:06 p.m.
Forecast for the next 24 hours
Winds are expected to shift slightly east-northeast to east, blowing near 16 mph (26 km/h). The island will experience fair and hazy conditions, becoming cloudy at times with a few showers. Sunset will occur at 6:16 p.m., while sunrise on Sunday is expected at 5:52 a.m.
Regional outlook and tropical activity
Across the Lesser Antilles, conditions will be fair and hazy with intermittent cloudiness and scattered showers. Isolated thunderstorms remain possible as moisture and instability linger in the atmosphere. Readers can review yesterday’s St Lucia Weather forecast for August 29, 2025 for comparison, which highlighted similar tropical influences across the region.
A weak tropical wave is forecast to affect the southern Caribbean during the forecast period, moving westward at about 12 mph (19 km/h). Meanwhile, a second tropical wave is progressing across the far eastern Atlantic at 15 mph (24 km/h), and a third wave is expected to emerge off the coast of Africa on Sunday. Meteorologists noted that gradual development of this third system could occur as it travels westward into next week.
Key takeaways
Residents are advised to monitor official weather updates as the tropical waves approach, particularly as the Atlantic hurricane season continues to generate disturbances capable of strengthening. The Met Office emphasized the potential for occasional cloudy periods and brief showers throughout the weekend.
For continued coverage of St Lucia Weather August 30 2025 and regional storm developments, follow Unitedpac St Lucia News.
