Thu 11 September 2025

TROPICAL REPORT

Atlantic Tropical Weather Outlook

Atlantic – Caribbean Sea – Gulf of Mexico
Tropical Weather Outlook  800 AM EDT Thu 11 Sep 2025 1205 UTC Thu 11 Sep 2025
IMAGE FROM NHC

Tropical Weather Outlook Text

Tropical Weather Discussion

Eastern North Pacific (East of 140°W)
Tropical Weather Outlook  500 AM PDT Thu 11 Sep 2025 1005 UTC Thu 11 Sep 2025
IMAGES FROM NHC

Tropical Weather Outlook Text

Tropical Weather Discussion

NOAA Climate Prediction Center

Weather in Cayman

SYNOPSIS

Some cloudy spells and scattered showers are possible later today as elevated moisture across the northwest Caribbean interacts with an upper-level trough. A gradual decrease in cloudiness and showers are expected tonight as this trough begins to dissipate. From Friday afternoon, light and variable winds are expected which may ignite some localized afternoon showers.

Day: Scattered clouds with the possibility of an isolated thunderstorm developing this afternoon. Winds E NE at 10 to 15 mph.

Night: Partly cloudy skies. Winds ENE at 5-10 mph.

Chance of rain: 0%.

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

Humidity:70%

UV: 11 EXTREME (Same as yesterday). Daily Max at 11 AM

Extreme: 11+

Take full precaution. Unprotected skin will be damaged and can burn in minutes. Avoid the sun between 11 a.m. and 3 p.m., cover up, and wear a hat, sunglasses and sunscreen. Don’t forget that white sand and other bright surfaces reflect UV and increase UV exposure.

Expected temperatures: 80°F to 91°F. Yesterday: H 91.3.°F  L 81.0°F

Barometer: 1014 mb

Rain: Last month: 5.04 in

Rain this month 1.52 in
Last 24 hrs (since yesterday’s readings) 0.16 in.0 days since rain, 4 rain days in Sep
2025 Season Total: 22.08 in 
2024 Season Total: 70.35 in
Latest rainfall readings are from HALF WAY POND.
Average rainfall in Sep: 8.8 in.
Average temperature in Sep: 80°F to 92°F
Sea Temperature in Sep: 86°F

MOON: 80% Illumination

Waning Gibbous

LOCAL 6 DAY FORECAST

Grand Cayman Sun & Tides Tables Sepember 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

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