Scattered showers and isolated thunderstorm activity can be expected tonight as a trough trailing the last tropical wave crosses the island chain. Saturday should be slightly hazy with thin dust patches. Late Saturday, a weak shearline propagating from the area of low pressure east of the Lesser Antilles could bring occasional showers across the island chain and instability should be elevated on Sunday.
Moderate to occasionally fresh easterly surface winds (20 - 40 km/h) could gust to fresh (near 45km/h) overnight with a weak wind/moisture surge crossing the islands. Wind speeds should then decrease during Monday as the low pressure area approaches the islands.
Sea conditions are slight to moderate in open water with east north-easterly swells, gradually rising to peak near 1.5 m on west coasts and near 2.5 m on east coasts of SVG by early Saturday.
Barometric readings should range 1013 - 1015 mb over the next couple days.
A WEATHER ALERT is being issued for St. Vincent and the Grenadines at 6:00 p.m Friday, 2nd August, 2019…
The elongated area of low pressure presently located near 10N 45W or about 1100 miles ESE of St. Vincent and the Grenadines (SVG), has been generating widespread disorganized showers over the past 24 hours. There is reduced (40%) chance of a depression forming east of the Lesser Antilles, as the area of low pressure moves west-northwestward at 10 to 15 mph. However, un-favourable conditions are expected to result in degeneration and it could be a strong tropical wave as it approaches the island chain on Monday.
Regardless of development; cloudy skies, with occasional moderate to heavy showers and thunderstorms are likely over St. Vincent and the Grenadines from late Sunday and persisting into mid-week. Thus, residents are urged to monitor the progress of this system and any updates issued from the St.Vincent and the Grenadines Meteorological Service….
Tropical waves and troughs between west coast Africa and Lesser Antilles:
Along 27W south of 15N, moving W at 10 kt with a weak 1013 mb low pressure remain behind the wave axis near 10N23W. Scattered showers extend out 120 nm on either side of the wave axis …2040miles away….vicinity late next week Friday 9th
Along 44W south of 14N moving W around 10-15 kt with scattered showers from 07N-14N between 41W-46W. This wave will continue to generate limited showers and thunderstorms. Some slow development is possible, and a tropical depression could form well east of the Leeward Islands. Upper-level winds are forecast to become less conducive for development as the system approaches the Leeward Islands Tuesday into Wed …1090miles away…late Sunday into Monday and Tuesday 5th/6th