Weather Outlook 20th November 2020 (6 pm)

A tropical wave is crossing the islands and a few scattered showers can be expected across St. Vincent and the Grenadines tonight. A low-level shear-line is expected to maintain unstable conditions with light to moderate rain and pockets of heavy showers by Saturday afternoon. Reduced shower activity is expected during the night, as the shear-line drifts southward across our islands. Isolated showers may linger across SVG on Sunday and a few showers are likely again by evening. Patches of Saharan dust linger across our area, occasionally creating slight hazy conditions. 

Fresh to occasionally strong (~30 – 45 km/h) easterly breeze could gusts near 55 km/h overnight. Wind speeds are expected to increase near 50

km/h by Saturday evening and turn east north-easterly, gradually decreasing and varying in direction on Sunday. Moderate (~20 – 30 km/h) easterly breeze is expected Monday. 

Moderate sea-conditions are across our islands, near 1.5 m on western coasts and 2.5 m on eastern coasts with easterly sea-swells. Swell heights are expected to rise during Saturday, ranging 1.8 – 2.5 m on western coasts and nearing 3.0 m on eastern coasts by Saturday afternoon. Small-craft operators and sea-bathers can expect moderate to rough conditions with gusty winds…Swell heights could start falling late Sunday, becoming slight to moderate (1.2 – 2.0 m) across SVG by Monday afternoon.

Aviation WX

[Source: ADDS]
METAR
TVSA 232300Z 07009KT 9999 SCT016 SCT032 27/23 Q1012 TEMPO SHRA =
TVSA 232300Z 2400/2424 07008KT 9999 SCT018
TAF
TVSA 232300Z 2400/2424 07008KT 9999 SCT018 =
SR / SS: 10:07 / 21:34 UTC (Sunrise Sunset 2020-11-23)