Date: 20th September, 2025
Forecaster: Webster Gajadhar
Present weather at Hewanorra Airport is fair.
Present temperature at Hewanorra Airport is 28°C or 82°F.
Last night’s minimum temperature at Hewanorra Airport was 26°C or 79°F.
Relative humidity at Hewanorra Airport is 80%.
Wind at Hewanorra Airport is blowing from the east at 9 mph or 15 km/h.
Rainfall in the 24-hour period that ended at 2:00 am today:
At Hewanorra Airport: 7.6 mm.
Total rainfall for the month of September so far:
At Hewanorra Airport: 32.7 mm.
Sunset today: 6:01 pm. Sunrise tomorrow: 5:53 am.
FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and southeast near 13 mph or 20 km/h, becoming lighter at times.
Weather: Fair to partly cloudy with a few showers at first, becoming partly cloudy to cloudy at times, with scattered light to moderate showers and isolated thunderstorms from this afternoon.
MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: Low at 8:45 am…High at 3:06 pm.
Tides for Vieux Fort Bay: Low at 10:12 am…High at 4:13 pm.
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 at first, becoming partly cloudy to cloudy at times, with scattered light to moderate showers and isolated thunderstorms later today.
TROPICAL WEATHER OUTLOOK
A surface trough is expected to produce cloudiness, showers and isolated thunderstorms over the Lesser Antilles, during the forecast period.
At 5:00 am today, the center of Tropical Storm Gabrielle was located near latitude 24.3 North, longitude 58.1 West or about 530 miles or 855 kilometres northeast of the northern Leeward Islands. Gabrielle is moving toward the northwest near 13 mph or 20 km/h. Maximum sustained winds are near 50 mph or 85 km/h with higher gusts. Gradual strengthening is forecast, and Gabrielle is expected to become a hurricane by Sunday. On the forecast track, Gabrielle will continue to move away from our region and pass east of Bermuda on Sunday night and Monday.
A tropical wave located over the central Tropical Atlantic, is moving westward near 20 mph or 31 km/h.
Another tropical wave located over the eastern Tropical Atlantic, is moving westward near 15 mph or 24 km/h. Some slow development of this system is possible within the next 7 days.