6:00 pm Weather Report
Date: 18th September, 2025
Forecaster: Emmanuel Descartes
Present weather at Hewanorra Airport is partly cloudy.
Present weather at GFL Charles Airport is cloudy.
Present temperature at Hewanorra Airport is 30°C or 86°F.
Today’s maximum temperature at Hewanorra Airport was 32°C or 90°F.
Relative humidity at Hewanorra Airport is 72%.
Wind at Hewanorra Airport is blowing from the east at 12 mph or 19 km/h.
Rainfall in the 24-hour period that ended at 2:00 pm today:
At Hewanorra Airport: Trace. At GFL Charles Airport: nil.
Total rainfall for the month of September so far:
At Hewanorra Airport: 25.1 mm. At GFL Charles Airport: 27.4 mm.
Sunrise tomorrow: 5:52 am. Sunset tomorrow: 6:01 pm.
FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and east-southeast near 15 mph or 24 km/h, becoming lighter at times.
Weather: Fair to partly cloudy with a few 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: Low at 7:00 pm…High at 1:53 am.
Tides for Vieux Fort Bay: Low at 8:27 pm…High at 3:00 am.
Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.
FORECAST FOR THE LESSER ANTILLES
Fair to partly cloudy, with a few showers and a chance of isolated thunderstorms.
TROPICAL WEATHER OUTLOOK
Unstable conditions will cause a few showers and possibly isolated thunderstorms over the Lesser Antilles, during the forecast period.
At 5:00 pm today, the center Tropical Storm Gabrielle was located near latitude 20.8° north, longitude 52.7° west or about 700 miles or 1125 kilometers east-northeast of the northern Leeward Islands and 720 miles or 1159 kilometers northeast of Saint Lucia. Gabrielle is moving toward the west-northwest near 13 mph or 20 km/h. Maximum sustained winds remain near 50 mph or 85 km/h, with higher gusts. Little change in strength is forecast during the next 24 hours but some gradual intensification is forecast shortly thereafter. On the forecast track, Gabrielle is not expected to pose a direct threat to our region.
A tropical wave located over the eastern Tropical Atlantic, is moving westward near 17 mph or 28 km/h.
Another tropical wave is forecast to move off the west coast of Africa by Friday morning. Some slow development of this system is possible within the next 7 days.