Tue 12 August 2025

TROPICAL REPORT

Atlantic Tropical Weather Outlook

Atlantic – Caribbean Sea – Gulf of Mexico
Tropical Weather Outlook  800 AM EDT Tue 12 Aug 2025 1205 UTC Tue 12 Aug 2025
IMAGE FROM NHC

Tropical Weather Outlook Text

Tropical Weather Discussion

Tropical Storm Erin

ERIN EXPECTED TO BEGIN STRENGTHENING SOON… …LIKELY TO BECOME A HURRICANE LATER THIS WEEK IN THE CENTRAL TROPICAL ATLANTIC

Eastern North Pacific (East of 140°W)
Tropical Weather Outlook  500 AM PDT Tue 12 Aug 2025 1005 UTC Tue 12 Aug 2025
IMAGES FROM NHC

Tropical Weather Outlook Text

Tropical Weather Discussion

Hurricane Henriette

SMALL HURRICANE HENRIETTE EXPECTED TO WEAKEN FURTHER WHILE MOVING OVER THE CENTRAL NORTH PACIFIC

NOAA Climate Prediction Center

Weather in Cayman

SYNOPSIS

Light winds and slight seas along with some isolated showers are expected across the Cayman area for the next 24 hours due to a weak pressure gradient across the Northwest Caribbean.

Day:  Sun and clouds mixed. Winds E at 10 to 20 mph.

Night:   Cloudy skies early with isolated thunderstorms developing late. Winds E at 5 to 10 mph.

Chance of rain: 30%.

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

Humidity: 89%

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: 82°F to 92°F. Yesterday: H 92.4°F  L 82.5°F

Barometer: 1015 mb

Rain: Last month: 5.46 in

Rain this month 1.41 in
Last 24 hrs (since yesterday’s readings) 0.12 in. 0 days since rain, 7 rain days in Aug
2025 Season Total: 16.75 in 
2024 Season Total: 69.91 in
Latest rainfall readings are from SOUTH SOUND.
Average rainfall in Aug: 5.8 in.
Average temperature in Aug: 86°F to 91°F
Sea Temperature in Aug: 86°F

MOON: 88% Illumination

Waning Gibbous

LOCAL 6 DAY FORECAST

Grand Cayman Sun & Tides Tables August 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