PUBLIC WEATHER FORECAST FOR ST. MAARTEN

DATE ISSUED: Monday, September 13, 2021 @ 12:00 LST (16:00 UTC) 

VALID UNTIL: Tuesday midday (12:00 LST) September 14, 2021 

WEATHER:         

This afternoon through Tuesday midday: Generally cloudy and breezy. Isolated showers, some of which may be moderate to heavy, and isolated thunderstorms are also expected. 

Forecast High:   32°C / 90°F             Forecast Low:   26°C / 79°F     

Sunset Today:   6:16 P.M.                 Sunrise Tomorrow:   6:00 A.M.       

SURFACE WINDS:        
This afternoon through Tuesday midday: Northeasterly to easterly with a light to moderate breeze of 05 to 15 mph and higher gusts possible. 

SYNOPSIS:   
A combination of instability associated with an upper-level trough and moisture associated with an approaching tropical wave will account for isolated showers and isolated thunderstorms across the local area. 

Seas are predicted to peak up to 6 feet during this forecast period and will subside thereafter. 

STATE OF THE SEA: Slight to moderate         WAVES/SWELLS: 4 to 6 feet      

SPECIAL FEATURES: 
A tropical wave just off the west coast of Africa has a high chance of developing into a tropical depression, over the eastern Tropical Atlantic later this week.
The Meteorological Department will continue to monitor this system and update the public accordingly.  

OUTLOOK through Wednesday midday: Partly cloudy, becoming cloudy at times with isolated showers and possible isolated thunderstorms.      

FORECASTER: Gordon 

3-DAY FORECAST