12:00 noon Weather Report 21st August, 2025

12:00 noon Weather Report

Date: 21st August, 2025

Forecaster: Vigil Saltibus

Present weather at Hewanorra Airport is partly cloudy.

Present weather at GFL Charles Airport is partly cloudy with showers nearby.

Present temperature at Hewanorra Airport is 31°C or 90°F.

Last night’s minimum temperature at Hewanorra Airport was 26°C or 79°F.
Relative humidity at Hewanorra Airport is 71%.

Wind at Hewanorra Airport is blowing from the east at 18 mph or 30 km/h.

Rainfall in the 24-hour period that ended at 8:00 am today:
At Hewanorra Airport: 0.8 mm              At GFL Charles Airport: nil

Total rainfall for the month of August thus far:
At Hewanorra Airport: 56.4 mm           At GFL Charles Airport: 37.4 mm

Sunset today: 6:22 pm         Sunrise tomorrow: 5:51 am

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east-northeast and east near 20 mph or 31 km/h.
Weather: Partly cloudy and hazy, becoming cloudy at times with some scattered         showers and a chance of isolated thunderstorms.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at 3:17 pm…Low at 7:50 pm
Tides for Vieux Fort Bay:   High at 4:24 pm…Low at 9:17 pm
Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.

FORECAST FOR THE LESSER ANTILLES
Partly cloudy and hazy, becoming cloudy at times with widely scattered showers and isolated thunderstorms.

TROPICAL WEATHER OUTLOOK

An approaching tropical wave will bring cloudy, moist, and unstable conditions, with scattered showers and isolated thunderstorms over the region during the next 24 hours.

This wave is currently east of the Lesser Antilles, moving westward at about 17 mph or 28 km/h. There is a high potential for it to develop into a short-lived tropical depression this weekend as it nears or passes north of the northern Leeward Islands.

Additionally, another tropical wave over the eastern Tropical Atlantic is moving west at 12 mph or 19 km/h, with medium chance for development over the next couple of days.