PUBLIC WEATHER FORECAST FOR ST. MAARTEN

PUBLIC WEATHER FORECAST FOR ST. MAARTEN

DATE ISSUED: Wednesday 23rd September 2026 @ 12:00 LST (16:00 UTC) 

VALID UNTIL: Thursday midday (12:00 LST) 24th September 2026

WEATHER:

This afternoon through tonight: Partly cloudy to cloudy with scattered showers. Isolated thunderstorms are likely.
Thursday morning through midday: Occasionally cloudy with isolated showers and possible isolated thunderstorms.

Forecast High: 31°C / 88°F               Forecast Low: 27°C / 81°F
Sunset Today: 6:08 P.M.                    Sunrise Tomorrow: 6:02 A.M.

SURFACE WINDS: 

This afternoon through Thursday midday: Easterly to southeasterly with a light to moderate breeze at 4 to 14 mph; higher gusts are possible.

SYNOPSIS: 

A low-level trough along with an upper-level trough will support periods of cloudiness, showers and thunderstorms. Residents and users of areas prone to flooding are advised to be vigilant. Meanwhile, light to moderate winds will prevail.
Although seas are expected to remain calm to slight, long period swells will affect coastal waters. Small-craft operators and swimmers are advised to be vigilant and exercise caution.

SEA CONDITIONS:

STATE:

WAVES/SWELLS:

Sheltered Areas

Calm

Below 1ft

Open Waters

Smooth to slight

1 – 3ft

OUTLOOK through Friday midday: Occasionally cloudy with isolated showers.

3-DAY FORECAST:

vis

DAY

Wednesday

Thursday

Friday

WEATHER

Partly Cloudy / Cloudy,

Scattered Showers,

Thunderstorms Likely

Occasionally Cloudy,

Isolated Showers
Thunderstorms Possible

Partly Cloudy,

Isolated Showers Likely

HIGH TEMP

31°C / 88°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

06:08 PM

06:07 PM

06:06 PM

 

FORECASTER: Eugenio

The Daily Herald

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