Weather Forecast: Thursday to Saturday
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Weather Forecast: Thursday to Saturday

PUBLIC WEATHER FORECAST FOR ST. MAARTEN
DATE ISSUED: Wednesday 24th September 2025 @18:00 LST (22:00 UTC)
VALID UNTIL: Thursday evening (18:00 LST) 25th September 2025
…THE FLOOD ADVISORY FOR ST. MAARTEN IS CANCELLED...
 
WEATHER:
Tonight, through Thursday evening: Cloudy, becoming partly cloudy later. Isolated showers are possible.
Forecast High: 32°C / 90°F           Forecast Low: 27°C / 81°F
Sunset Today: 6:07 P.M.               Sunrise Tomorrow: 6:02 A.M
SURFACE WINDS: 
Tonight, through Thursday evening: East-northeast to southeast, with a light to gentle breeze, at 4 to 9 mph, becoming lighter and variable at times.
SYNOPSIS: 
Moist and unstable conditions may trigger isolated showers. Meanwhile, light, variable winds are expected due to a weak pressure gradient.
Slight to moderate sea conditions will prevail this forecast period.
STATE OF THE SEA: Slight to moderate      WAVES/SWELLS: 3 to 5 feet
SPECIAL FEATURE: 
At 5:00 PM, Tropical Wave (AL93) strengthened into Tropical Storm Humberto, located approximately 556 miles east northeast of St. Maarten. Humberto is moving west-northwest at 15 mph. This general motion is expected to continue over the next several days, with a gradual decrease in forward speed.
The system is forecast to pass about 415 miles northeast of St. Maarten. At this time, Humberto is not expected to pose a direct threat to the island.
The Meteorological Department of St. Maarten will continue monitoring the Atlantic and provide updates accordingly.
OUTLOOK through Friday evening: Partly cloudy with isolated showers. 
 
 
3-DAY FORECAST
DAY
Thursday
Friday
Saturday
WEATHER
Cloudy to Partly Cloudy
Isolated Showers
Partly Cloudy
Isolated Showers Possible
Fair to Partly Cloudy
HIGH TEMP
32°C / 90°F
32°C / 90°F
33°C / 91°F
LOW TEMP
27°C / 81°F
27°C / 81°F
28°C / 82°F
SUNRISE
06:02 AM
06:02 AM
06:02 AM
SUNSET
06:06 PM
06:05 PM
06:0 PM
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