Weather Forecast: Wednesday to Friday

PUBLIC WEATHER FORECAST FOR ST. MAARTEN 

DATE ISSUED: Tuesday, June 29, 2021 @ 18:00 LST (22:00 UTC)  

VALID UNTIL: Wednesday evening (18:00 LST) June 30, 2021  

WEATHER:        

Tonight: Fair to partly cloudy and breezy with brief showers possible. 
Wednesday morning through evening: Partly cloudy and breezy, becoming increasingly cloudy with isolated showers and possible isolated thunderstorms. 

Forecast High: 30°C / 86°F                Forecast Low: 26°C / 79°F    

Sunset Today: 6:51 P.M.                    Sunrise Tomorrow: 5:40 A.M.      

SURFACE WINDS: 
Tonight: East northeast to east with a gentle to moderate breeze of 08 to 14 mph. 

Wednesday morning through evening: Northeast to east with gentle to fresh breeze of 10 to 23 mph and higher gusts. 

SYNOPSIS:       

Stable conditions will restrict precipitation across the northeastern Caribbean through tonight. Thereafter, a strong tropical wave is forecast to bring showers, breezy conditions, and deteriorating seas across the region. Showers are predicted to become moderate to heavy at times with isolated thunderstorms across St. Maarten.   

Moderate sea conditions are expected to peak up to 7 during this forecast period. Small craft operators and sea bathers are advised to exercise caution. 

STATE OF THE SEA:  Moderate       WAVES/SWELLS: 5 to 7 feet  

SPECIAL FEATURES: Disorganized showers and thunderstorms continue in association with a tropical wave located over the tropical Atlantic about 650 miles east of the Lesser Antilles. Some slow development of this disturbance is possible later this week while the system moves westward to west-northwestward at 20 to 25 mph, likely reaching the Lesser Antilles by Wednesday night.  Regardless of development, this system could bring locally heavy rainfall to St. Maarten from Wednesday afternoon into Thursday. 

Shower activity associated with a second tropical wave located over the eastern Atlantic continues to show signs of organization. Additional development of this system is possible during the next several days as it moves generally west-northwestward at about 20 mph.

THE METEOROLOGICAL DEPARTMENT OF ST. MAARTEN WILL CONTINUE TO MONITOR THESE SYSTEMS AND UPDATE THE PUBLIC ACCORDINGLY.  

OUTLOOK through Thursday evening: Generally cloudy and windy with scattered showers and isolated thunderstorms.  

3-DAY FORECAST