12 Sep Weather in Cayman & Tropical Report. 1 Dist.

Fri 12 September 2025

TROPICAL REPORT
Atlantic Tropical Weather Outlook




Tropical Depression Thirteen-E
DEPRESSION REMAINS POORLY ORGANIZED OFF THE COAST OF SOUTHWESTERN MEXICO


NOAA Climate Prediction Center


Weather in Cayman

SYNOPSIS
Decreasing winds are expected throughout today, eventually becoming light and variable this afternoon. As a result of these light winds coupled with lingering moisture over the northwest Caribbean, some showers are expected late-this afternoon. This weather pattern is likely to remain through the early part of the weekend. From Monday, a series of troughs make their way across the southwest Caribbean which will bring some scattered thunderstorms late-Monday.
Day: Partly cloudy. Winds E SE at 5 to 10 mph.
Night: Partly to mostly cloudy skies with scattered thunderstorms during the evening. Winds Light & variable.
Chance of rain: 50%.
Sea: Smooth with a wave height of fewer than 2 feet.
Humidity:71%
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 92°F. Yesterday: H 91.3.°F L 81.3°F
Barometer: 1013 mb
Rain: Last month: 5.04 in
Rain this month 1.88 in
Last 24 hrs (since yesterday’s readings) 0.36 in.0 days since rain, 5 rain days in Sep
2025 Season Total: 22.44 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: 70% 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
Published September 12, 2025
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