Sat 18 October 2025

TROPICAL REPORT

Atlantic Tropical Weather Outlook

Atlantic – Caribbean Sea – Gulf of Mexico
Tropical Weather Outlook  800 AM EDT Sat 18 Oct 2025 1205 UTC Sat 18 Oct 2025
IMAGE FROM NHC

Tropical Weather Outlook Text

Tropical Weather Discussion

Eastern North Pacific (East of 140°W)
Tropical Weather Outlook  500 AM PDT Sat 18 Nov 2025 1005 UTC Sat 18 Nov 2025
IMAGES FROM NHC

Tropical Weather Outlook Text

Tropical Weather Discussion

NOAA Climate Prediction Center

Weather in Cayman

SYNOPSIS

Moisture continues to linger to the south of the Cayman Islands due to a frontal trough. The chance of occasional showers and isolated thunder remains high as the moisture retrogress across the islands during the day.

Day: WU/TWC forecast:   Scattered thunderstorms during the morning becoming more widespread this afternoon. Winds ENE 10-15 mph

Night:  WU/TWC forecast:  Partly cloudy skies. Winds E 10-15 mph

Chance of rain: 50%.

Sea: Slight with a wave height of 1 to 3 feet.

Humidity: 62%

UV: 10 UP from yesterday

Very High: 8-10

Extra precaution required – unprotected skin will be damaged and can burn quickly. Avoid the sun between 11 a.m. and 3 p.m. and seek shade, cover up, and wear a hat, sunglasses and sunscreen.

Expected temperatures: 78°F to 89°F. Yesterday: H 90..0°F  L 78.1°F

Barometer: 1013 mb

Rain: Last month: 5.46 in

Rain this month 5.83 in
Last 24 hrs (since yesterday’s readings) 0.05 in. 0 days since rain, 11 rain days in Oct
2025 Season Total: 29.90 in 
2024 Season Total: 70.35 in
Latest rainfall readings are from BODDEN TOWN
Average rainfall in Oct: 9.2 in.
Average temperature (night) in Oct: 77°F to 88°F
Sea Temperature in Oct: 85°F

SUN IN GEORGE TOWN – NEXT 7 DAYS

From Timeanddate

MOON: 7% Illumination

Waning Crescent

LOCAL 6 DAY FORECAST

Grand Cayman Sun & Tides Tables October 2025

From Tides4fishing

IMPORTANT NOTICEThe times reflected in the tidal table for Grand Cayman are predictions valid as references for sports fishing in areas near the coast of Grand Cayman. THEY ARE NOT SUITABLE FOR NAVIGATION. Remember that to practice any activity at sea like diving, windsurfing and fishing from a boat or underwater fishing should always be consulted with the official tide tables of the port of Grand Cayman.

See: http://www.weather.gov.ky/portal/page?_
FOR RADAR IMAGE GO TO: https://www.weather.gov.ky/radar
Also see Weather In Cayman: http://www.weatherincayman.com
Moon info and graphic: https://www.timeanddate.com/moon/phases/uk/georgetow

General Cayman weather month by month: https://www.weather2travel.com/cayman-islands/climate/?Units=1#compare-weather

Tropical storm data and graphics from National Hurricane Center at: https://www.nhc.noaa.gov/
Weathernerds: http:// https://www.weathernerds.org/
Mikes Weather Page: http://www.spaghettimodels.com