PUBLIC WEATHER FORECAST FOR ST. MAARTEN

PUBLIC WEATHER FORECAST FOR ST. MAARTEN

DATE ISSUED: Tuesday 22nd September 2026 @ 12:00 LST (16:00 UTC) 

VALID UNTIL: Wednesday midday (12:00 LST) 23rd September 2026

WEATHER:

This afternoon through tonight: Partly cloudy with isolated showers.
Wednesday morning through midday: Occasionally cloudy with scattered showers. Isolated thunderstorms are likely.

Forecast High: 32°C / 90°F               Forecast Low: 27°C / 81°F
Sunset Today: 6:09 P.M.                    Sunrise Tomorrow: 6:02 A.M.

SURFACE WINDS: 

This afternoon through Wednesday midday: Easterly to southeasterly with a light to gentle breeze at 3 to 12 mph; higher gusts are possible.

SYNOPSIS: 

An approaching low-level trough along with an upper-level trough will support periods of cloudiness, showers and thunderstorms, particularly towards the latter part of this forecast period. Some of these showers may be heavy and can lead to street flooding. Those accessing flood prone areas are advised to be vigilant. Meanwhile, light to gentle winds and hot & 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 Thursday midday: Cloudy to partly cloudy with scattered showers. Isolated thunderstorms are likely.

3-DAY FORECAST:

vis

DAY

Tuesday

Wednesday

Thursday

WEATHER

Partly Cloudy

Isolated Showers

Possible Thunderstorms

Partly Cloudy / Cloudy

Scattered Showers

Thunderstorms Likely

Occasionally Cloudy

Isolated Showers
Possible Thunderstorms

HIGH TEMP

32°C / 90°F

31°C / 88°F

32°C / 90°F

LOW TEMP

28°C / 82°F

26°C / 79°F

27°C / 81°F

SUNRISE

06:01 AM

06:02 AM

06:02 AM

SUNSET

06:09 PM

06:08 PM

06:07 PM

 

FORECASTER: Eugenio

The Daily Herald

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