6:00 pm Weather Report 17th August, 2023

Forecaster: Lemuel O’Shaughnessy

Present weather at Hewanorra Airport is partly cloudy and hazy.

Present weather at GFL Charles Airport is partly cloudy and hazy.

Present temperature at Hewanorra Airport is 30°C or 86°F.

Today’s maximum temperature at Hewanorra Airport was 32°C or 90°F.

Wind at Hewanorra Airport is blowing from the east-northeast at 12 mph or 19 km/h.

Rainfall in the 24-hour period that ended at 2:00 pm today:  

At Hewanorra Airport: 5.8 mm.                    At GFL Charles Airport: 6.6 mm.  

Total rainfall for the month of August so far:

At Hewanorra Airport: 70.0 mm.        At GFL Charles Airport: 49.7 mm.

Sunrise tomorrow: 5:51 am.            Sunset tomorrow: 6:24 pm.

FORECAST FOR SAINT LUCIA VALID FOR THE NEXT 24 HOURS

Winds will be blowing from between the east and east-northeast near 20 mph or 31 km/h.

Weather: Partly cloudy and hazy, becoming cloudy at times with scattered showers and possibly isolated thunderstorms.

Persons with dust allergies and respiratory ailments are advised to exercise caution due to reduced air quality.

MARINE FORECAST FOR SEAS IN A 25 MILE OR 40 KM RADIUS FROM SAINT LUCIA

Tides for Castries Harbour: Low at 10:02 pm… High at 4:33 am.

Tides for Vieux Fort Bay:   Low at 11:29 pm… High at 5:40 am.

Seas: Moderate to locally rough with waves and northeasterly swells 5 to 8 feet or 1.5 to 2.4 metres.

Small craft operators and sea bathers are advised to exercise caution due to reduced visibility and locally rough seas.

FORECAST FOR THE LESSER ANTILLES

Partly cloudy and hazy, becoming cloudy at times with scattered showers and possibly isolated thunderstorms.

TROPICAL WEATHER OUTLOOK

Saharan dust haze will continue to cause a reduction in air quality and visibility across the region during the next few days.

Moist and unstable conditions over the Leeward and northern Windward Islands, will cause some scattered showers and possibly isolated thunderstorms over that area during the next 24 hours.

The Inter-Tropical Convergence Zone will continue to cause some cloudy periods with showers and isolated thunderstorms, over the southern portion of the region during the forecast period.

A tropical wave located over the central Tropical Atlantic is moving westward near 17 mph or 28 km/h. This wave is expected to cause heavy showers and thunderstorms over our region from Saturday.

A broad area of low pressure located over the central Tropical Atlantic is also moving westward near 12 mph or 19 km/h. This system has a medium chance of tropical cyclone formation during the next 2 days.

Another tropical wave located over the eastern Tropical Atlantic, is associated with a broad area of low pressure and is moving westward near 12 mph or 19 km/h. This system also has a medium chance of tropical cyclone formation during the next 2 days.