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AQI
GRENADA METEOROLOGICAL SERVICE

Morning Public Forecast

GMS-PWF-MORNING

Date Issued

Sunday 21 December 2025

Valid From

06:00 AM AST Sunday 21 December 2025

Valid Until

06:00 AM AST Monday 22 December 2025

Forecast Headline

Generally fair conditions are expected across Grenada today. Moderate trade winds will maintain choppy marine conditions across coastal waters.

Synopsis

A weak Atlantic high-pressure ridge remains the dominant feature across the eastern Caribbean.

Public Forecast

31°CMaximum Temperature
24°CMinimum Temperature
ENE'ly to ESE'ly @ 12–22 mphWind
Moderate to slightly roughSea State
6-8 ftWave Heights
Northeasterly swellSwell
5:48 AMSunrise
6:23 PMSunset
10:00 AMLow Tide
4:00 PMHigh Tide

Alerts

Impact

Marine Conditions

MediumMinorBe Aware

Medium likelihood of minor marine impacts

  • Choppy seas may affect fishermen and small vessels.
  • Open-water marine activities may become uncomfortable.

Response

  • Small craft operators should exercise caution in open waters.
  • Beachgoers should remain alert to changing sea conditions.
  • Monitor updates from the Grenada Meteorological Service.

Issued By Trisha Miller

Next Update 6:00 PM AST

Forecast conditions may change. Continue to monitor official updates.

This forecast is issued by the Grenada Meteorological Service and is valid for the State of Grenada and surrounding coastal waters.

Grenada Meteorological Service
2026GMS-MIDDAY-2026-02-23T12:00-04:00

Midday Weather Report

Date: Monday, February 23, 2026
Actual at Maurice Bishop International Airport:
Air temperature @ midday: 29.1°C

Public weather forecast for State of Grenada

Validity: This afternoon & tonight

Weather: Fair, windy and hazy this afternoon; increasing cloudiness by evening with a few light showers overnight.
WARNING: None
Wind: E'ly to SE'ly @ 14-24 mph
Seas: Moderate to slightly rough with waves up to 8 feet in northeasterly swells in open waters.
Tides: High: 19:45, Low: 13:30
Today's sunset: 18:15
Tomorrow's sunrise: 06:25
WORD OF THE DAY:
Haze: A suspension of extremely small dry particles in the air, invisible to the naked eye but sufficient to give the air an opalescent appearance that reduces horizontal visibility.
Duty Forecaster
Forecaster
Grenada Meteorological Service
2026GMS-EVENING-2026-02-23T17:00-04:00

Public weather forecast for State of Grenada

Date: Monday, February 23, 2026
Validity: 6:00 pm tonight through Wednesday evening
Monday, February 23, 2026 - 6:00 pm until 6:00 am
Tonight's Minimum Temperature
23.5 °C
Weather: Mostly fair, with a few, light showers during partly cloudy spells.
Wind: NE'ly - E'ly @ 12-22 mph
Seas: Moderate to rough with waves 6 - 9 ft in open NE to E'ly swells.
Tides: Low: 11:00 pm, High: 5:00 am
Sunday, December 21, 2025
Sunrise: 6:23 Sunset: 5:47
Weather: Mostly fair and breezy with a low chance of showers.
Max/Min Temp: 31.0°C/24.0°C
Wind: ENE'ly - E'ly @ 14-24 mph gusting higher @ times
Seas: Moderate to rough with waves 6 - 9 ft in NE to E'ly swells.
Tides: Low: 9:00 am
Monday, December 22, 2025
Sunrise: 6:23 Sunset: 5:48
Weather: Mostly fair with a low chance of brief isolated showers overnight.
Max/Min Temp: 31.5°C/24.0°C
Wind: ENE'ly - ESE'ly @ 12 - 22 mph gusting higher @ times
Seas: Moderate to slightly rough with waves 6 - 8 ft in NE to E'ly swells.
Tuesday, December 23, 2025
Sunrise: 6:24 Sunset: 5:48
Weather: Mostly fair, with brief light early morning showers.
Max/Min Temp: 30.5°C/24.0°C
Wind: ENE'ly - E'ly @ 13 - 23 mph gusting higher @ times
Seas: Moderate with waves 5 - 7 ft in NE to E'ly swells.
Forecaster
Duty Forecaster
Mon, Feb 23, 2026
09:00 AM

MARINE BULLETIN

State of Grenada
GAA
VALID 12 HRS
GREEN
SYNOPSIS: Moderate seas; winds E'ly 15–25 mph.
WEATHER: Generally fair.
West
[Wave Graphic]
East
[Wave Graphic]
LIKELIHOODMedium
SEA STATE: Moderate with waves 5–7 feet in open waters.
VISIBILITY: Good overall.
WIND: E'ly to SE'ly @ 15 to 25 mph
TIDE: High: Low: High:
IMPACTMinor
  • Occasional rough seas
  • Reduced visibility in showers
  • Gusty winds near squalls
RESPONSEBe Aware
  • Heed all warnings and advisories
  • Secure loose objects
  • Proceed with caution
LAST MOON PHASE
Waxing Gibbous
NEXT MOON PHASE
Full Moon on 5/6/2026
MOONRISE
08:45 PM
MOONSET
08:15 AM
SUNRISE
SUNSET
FORECASTER Duty Forecaster