DATE ISSUED: Friday, September 13, 2019 @ 12:00 LST (16:00 UTC)
VALID UNTIL: Saturday midday (12:00 LST) September 14, 2019
WEATHER:
This afternoon: Fair to partly cloudy with a local shower possible.
Tonight through Saturday midday: Partly cloudy to cloudy with isolated showers and a chance of isolated thunderstorms.
Forecast High: 33°C / 91°F Forecast Low: 28°C / 82°F
Sunset Today: 6:16 P.M. Sunrise Tomorrow: 6:00 A.M.
SURFACE WINDS: This afternoon through Saturday morning: East to southeast with a light to gentle breeze of 04 to 12 mph.
SYNOPSIS:
A relatively dry, stable and warm air mass will limit precipitation this afternoon. By tonight, a tropical wave will begin affecting the local region. The associated moisture and instability will increase cloudiness and the chances of showers along with a slight chance of isolated thunderstorms.
Seas will peak near 5 feet during the next few days.
STATE OF THE SEA: Slight to moderate WAVES/SWELLS: 3 to 5 feet
SPECIAL FEATURES: A tropical wave located midway between the Cabo Verde Islands and the Lesser Antilles is producing a large but disorganized area of cloudiness and showers. Conditions are expected to become more conducive for development in a couple days, and a tropical depression could form early next week while the system moves westward across the tropical Atlantic.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...medium...50 percent.
Another tropical wave is located a few hundred miles south-southeast of the Cabo Verde Islands. Slow development of this system is possible during the next several days while this wave moves westward across the tropical Atlantic.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 5 days...low...20 percent.
The Meteorological Department of St. Maarten will continue to monitor the progress of this system and update the public accordingly.
OUTLOOK through Sunday midday: Partly cloudy to cloudy with isolated showers.
FORECASTER: Pierre
