Hot, Partly Cloudy Day Forecast, Isolated Showers Possible Across Southern Trinidad

Weather Forecast (Next 24 Hours)

As of 8:30 AM Monday 27th May 2019, partly cloudy to mostly cloudy skies are occurring across Trinidad and Tobago. As the day progresses, isolated showers are forecast to develop, mainly across Southern Trinidad, with isolated heavy showers favoring Southwestern Trinidad, particularly between La Brea and Point Fortin. Showers are forecast to decrease in coverage across the island by the evening, but isolated to scattered shower likely to develop after midnight.

As the day progresses, low-level moisture associated with a tropical wave is forecast to increase. Daytime heating, sea breeze convergence and areas of low-level convergence are forecast to trigger showers, mainly across Southern Trinidad by the late morning through the late afternoon.

The axis of the tropical wave is forecast to move across Trinidad and Tobago later tonight, but active weather such as showers and thunderstorms are forecast to occur on Tuesday, with a higher chance of thunderstorms on Wednesday.

Note that this wave is relatively weak, and by no means will produce drought-busting rainfall across Trinidad and Tobago. In fact, as of latest model guidance, generally rainfall accumulations generally 10-15 millimeters, and isolated totals up to 25 millimeters across Southern Trinidad and Eastern parts of T&T.

In areas that receive prolonged, heavy rainfall, street flooding is possible mainly across parts of Trinidad.

Winds are generally forecast between 20-30 KM/H by the late afternoon, with gusts up to 50 KM/H at times. Saharan dust is present in minimal concentrations across Trinidad and Tobago.


Last night’s minimum temperatures were 25°C at Piarco, Trinidad, and 26°C at Crown Point, Tobago. Tonight’s minimum temperatures are forecast to be near 25°C at Piarco, Trinidad, and 26°C at Crown Point, Tobago.

Today’s maximum high temperatures across T&T are forecast to be near 33°C at Piarco, Trinidad and 32°C at Crown Point, Tobago. Heat indices may top at 38°C across Trinidad and 34°C across Tobago. The heat index is an index that combines air temperature and relative humidity, generating a “feel’s like” temperature.


Seas are forecast to remain slight in open waters through the week. Waves in open waters are forecast between 1.0 and 1.5 meters, particularly East of Trinidad and Tobago over the 3 days. In sheltered areas, seas to remain smooth, below 1.0 meters. Winds will be from the east, at times from the southeast, at 10-15 knots through the week.

Mild but Decreasing Concentrations of Saharan Dust Present Across Trinidad and Tobago

Saharan Dust: As of 8:00 AM Monday 27th May 2019, Saharan Dust concentrations are mild across Trinidad and Tobago. A decrease in dust concentrations is forecast late Monday into Tuesday as a tropical wave is forecast to briefly reduce dust concentrations. Islands from Trinidad and Tobago to Martinique are presently experiencing good to moderate air quality. An additional surge in dust is forecast late Wednesday next week, with a more significant surge of dust forecast in early June, by June 5th, 2019.

Tropical Update

Tropical Weather Update Overview:
— The first “official” tropical wave of the 2019 Atlantic Hurricane Season is a few hundred kilometers east of Trinidad and Tobago. The axis of this wave is forecast to move across T&T on Monday night, triggering the start of the 2019 Wet Season. The majority of showers and isolated thunderstorms are expected Tuesday into Wednesday.
— Another tropical wave has emerged off the West African Coast, likely to move across Trinidad and Tobago Tuesday into Wednesday of the following week (June 4th into June 5th).

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