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Weather Outlook 21st August 2018 (6pm)

A tropical wave will continue to affect the Eastern Caribbean. Some scattered showers are likely across Saint Vincent and the Grenadines tonight. 

Model guidance is indicating that a low level shearline will maintain low level instability across Saint Vincent and the Grenadines Wednesday into Thursday. Some showers are likely from Wednesday night into Thursday with model guidance indicating a possible accumulation of 3 inches of rainfall by Thursday night. Residents and motorist are asked to exercise caution. 

A favourable upper level, instability and deep layered moisture are expected to aid in the development of a few isolated thunderstorms. 

Generally moderate to fresh (20km/h – 40km/h) easterly trades will continue to move across the islands, decreasing in speed around Wednesday into Thursday. Slight to moderate sea conditions (1.2m-1.5m) are forecast, becoming slight (1.0m-1.2m) on both the west and east coast by Friday. No significant haze intrusion over the next few days. 

Aviation WX

[Source: ADDS]
METAR
WX-Data not avlb.
(due to wrong input of icao-codes or 'allow_url_fopen' is OFF [1] and cURL not enabled [1] on this server!)
TAF
SR / SS: 09:51 / 22:28 UTC (Sunrise Sunset 2026-08-09)