PUBLIC WEATHER FORECAST FOR ST. MAARTEN

PUBLIC WEATHER FORECAST FOR ST. MAARTEN

DATE ISSUED: Monday 21st September 2026 @ 12:00 LST (16:00 UTC) 

VALID UNTIL: Tuesday midday (12:00 LST) 22nd September 2026

WEATHER:

This afternoon through Tuesday midday: Partly cloudy, hot and humid with isolated showers.

Forecast High: 33°C / 91°F             

Forecast Low: 28°C / 82°F

Sunset Today: 6:09 P.M.                 

Sunrise Tomorrow: 6:01 A.M.

SURFACE WINDS: 

This afternoon through Tuesday midday: East-southeasterly with a light to gentle breeze at 6 to 12 mph.

SYNOPSIS: 

A loose surface pressure gradient will maintain light to gentle winds across the region. Meanwhile, a combination of moist southeasterly winds and daytime heating will cause isolated showers and a chance of isolated thunderstorms. Additionally, hot and humid conditions will persist. Stay hydrated, keep cool and to the shade whenever possible.
Sea conditions will remain calm to slight.

SEA CONDITIONS:

STATE:

WAVES/SWELLS:

Sheltered Areas

Calm

Below 1ft

Open Waters

Smooth to slight

1 – 3ft

OUTLOOK through Wednesday morning: Hot and humid with isolated showers.

3-DAY FORECAST:

 

DAY

Monday

Tuesday

Wednesday

WEATHER

Partly Cloudy,

Hot & Humid,

Isolated Showers

Hot & Humid,

Isolated Showers

Hot & Humid,

Scattered Showers,

Thunderstorms Likely

HIGH TEMP

33°C / 91°F

32°C / 90°F

32°C / 90°F

LOW TEMP

28°C / 82°F

27°C / 81°F

26°C / 79°F

SUNRISE

06:01 AM

06:01 AM

06:02 AM

SUNSET

06:09 PM

06:09 PM

06:08 PM

 

FORECASTER: Connor

The Daily Herald

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