Date: 27th September, 2021
Forecaster: Maclean Jn Baptiste
Present weather at Hewanorra Airport is fair.
Present weather at GFL Charles Airport is fair.
Present temperature at Hewanorra Airport is 29°C or 84°F.
Today’s maximum temperature at Hewanorra Airport was 31°C or 88°F.
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: 0.8 mm. At GFL Charles Airport: 0.4 mm.
Total rainfall for the month of September so far:
At Hewanorra Airport: 78.1 mm. At GFL Charles Airport: 35.2 mm.
Sunrise tomorrow: 5:53 am. Sunset tomorrow: 5:55 pm.
FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS
Winds will be blowing from between the east and east-southeast near 13 mph or 20 km/h, becoming lighter at times.
Weather: Partly cloudy skies, becoming cloudy at times with a few scattered showers and possibly isolated thunderstorms.
MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA
Tides for Castries Harbour: High at 7:17 pm…Low at 2:58 am.
Tides for Vieux Fort Bay: High at 8:24 pm…Low at 4:25 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 to cloudy skies with scattered showers and isolated thunderstorms over the central and southern portions of the Lesser Antilles. Further north, fair to partly cloudy skies with a few showers.
TROPICAL WEATHER OUTLOOK
Moisture and instability associated with an upper level trough, coupled with a light wind regime, will continue to generate some cloudy periods with scattered showers and isolated thunderstorms over the central and southern portions of our region, during the forecast period.
At 5:00 pm today, the centre of Hurricane Sam was located near latitude 16.3 degrees north, longitude 52.7 degrees west or about 700 miles or 1125 km east of the northern Leeward Islands. Sam is moving toward the northwest near 9 mph or 15 km/h. Maximum sustained winds are near 120 mph or 195 km/h, with higher gusts. Sam is a category 3 hurricane. Although Hurricane Sam does not pose a direct threat to our region, swells generated by this system will impact the Lesser Antilles for the next several days.
Interests in the Leeward Islands are advised to continue monitoring the progress of this system.
A broad area of low pressure, located over the central Tropical Atlantic is moving westward near 8 mph or 13 km/h. This system has a high chance of tropical cyclone formation during the next five days.
Two tropical waves located over the central and eastern Tropical Atlantic are moving westward near 12 and 17 mph or 19 and 28 km/h, respectively.
A third tropical wave just off the west coast of Africa is moving westward near 13 mph or 20 km/h. This system has a high chance of tropical cyclone formation during the next five days.