Date: 13th August, 2025
Forecaster: Webster Gajadhar
Present weather at Hewanorra Airport is fair.
Present weather at GFL Charles Airport is cloudy.
Present temperature at Hewanorra Airport is 29°C or 84°F.
Today’s maximum temperature at Hewanorra Airport was 31°C or 88°F.
Relative humidity at Hewanorra Airport is 80%.
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 2:00 pm today:
At Hewanorra Airport: 2.4 mm. At GFL Charles Airport: nil.
Total rainfall for the month of August thus far:
At Hewanorra Airport: 47.3 mm. At GFL Charles Airport: 22.3 mm.
Sunrise tomorrow: 5:50 am. Sunset tomorrow: 6:26 pm.
FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east-northeast and east near 18 mph or 30 km/h.
Weather: Partly cloudy becoming cloudy at times, with some scattered showers and a slight chance of isolated thunderstorms during the night.
MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at 6:33 pm…Low at 1:01 am…High at 7:25 am.
Tides for Vieux Fort Bay: High at 7:40 pm…Low at 2:28 am…High at 8:32 am.
Seas: Slight to moderate with waves 3 to 5 feet or 0.9 to 1.5 metres.
FORECAST FOR THE LESSER ANTILLES
Partly cloudy becoming cloudy at times, with some scattered showers and a chance of isolated thunderstorms over the Windward Islands and areas further south. Over the Leeward Islands, fair to partly cloudy with a few showers.
TROPICAL WEATHER OUTLOOK
A low-level trough will continue to cause periods of cloudiness, showers and possibly isolated thunderstorms over the southern half of the Lesser Antilles tonight. Low-level clouds moving with the wind flow, will cause a few showers over the northern portion of the region, during the next 24 hours.
At 5:00 pm today, the center of Tropical Storm Erin was located near latitude 16.3 North, longitude 45.0 West or about 1050 miles or 1690 km east-northeast of St. Lucia. Erin is moving toward the west near 17 mph or 28 km/h. This general motion is expected into Thursday, with a west-northwestward motion beginning Thursday night and continuing into the weekend. On the forecast track, the center of Erin is likely to move near or just north of the northern Leeward Islands over the weekend. Maximum sustained winds have increased to near 50 mph or 85 km/h with higher gusts. Gradual strengthening is forecast during the next couple of days, and Erin is expected to become a hurricane by Friday. Interests in the northern Leeward Islands should monitor the progress of this storm.
A tropical wave located over the far eastern tropical Atlantic, is moving westward near 15 mph or 24 km/h.