PUBLIC WEATHER FORECAST FOR ST. MAARTEN

PUBLIC WEATHER FORECAST FOR ST. MAARTEN

DATE ISSUED: Tuesday 18th August 2026 @ 12:00 LST (16:00 UTC) 

VALID UNTIL: Wednesday midday (12:00 LST) 19th August 2026

WEATHER:

This afternoon: Partly cloudy to cloudy with scattered showers and a chance of isolated thunderstorms.
Tonight through Wednesday midday: Cloudy to partly cloudy with isolated showers and a chance of isolated thunderstorms.

Forecast High: 33°C / 91°F               Forecast Low: 26°C / 79°F
Sunset Today: 6:37 P.M.                    Sunrise Tomorrow: 5:56 A.M.

SURFACE WINDS: 

This afternoon through Wednesday midday: Easterly to southeasterly with a light to moderate breeze at 5 to 15 mph; higher gusts are possible.

SYNOPSIS: 

A tropical wave will cause cloudy periods, showers and a chance of isolated thunderstorms. Therefore, those accessing flood prone areas should be vigilant.  Additionally, hot and humid conditions will persist. Stay hydrated, keep cool & shaded when possible.
Smooth to slight seas will prevail.

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SEA CONDITIONS:

STATE:

WAVES/SWELLS:

Sheltered Areas

Smooth to slight

Below 3ft

Open Waters

Slight

2 – 4ft

OUTLOOK through Thursday midday: Partly cloudy and slightly hazy with isolated showers.

3-DAY FORECAST:

DAY 

Tuesday

Wednesday

Thursday

WEATHER 

Partly Cloudy/Cloudy,

Scattered Showers,

Thunderstorms Possible

Cloudy/ Partly Cloudy,

Isolated Showers, Thunderstorms Possible

Partly Cloudy,

Light Haze,

Isolated Showers Possible

HIGH TEMP 

33°C / 91°F

32°C / 90°F

33°C / 91°F

LOW TEMP 

27°C / 81°F

26°C / 79°F

27°C / 81°F

SUNRISE 

05:55 AM

05:56 AM

05:56 AM

SUNSET 

06:37 PM

06:36 PM

06:35 PM

 

FORECASTER: Eugenio

The Daily Herald

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