iLocal News Archives

30 Jun Weather in Cayman & Tropical Report


30 Jun Sat 2018

Tropical Report


Tropical Weather Outlook
NWS National Hurricane Center Miami FL
800 AM EDT Sat Jun 30 2018

For the North Atlantic…Caribbean Sea and the Gulf of Mexico:

Tropical cyclone formation is not expected during the next 5 days.

Forecaster Zelinsky


Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 AM PDT Sat Jun 30 2018

For the eastern North Pacific…east of 140 degrees west longitude:

The National Hurricane Center is issuing advisories on Tropical
Storm Emilia, located several hundred miles southwest of the
southern tip of the Baja California peninsula.

1. Although the shower activity associated with a broad area of low
pressure located several hundred miles southwest of Acapulco, Mexico
appears to be organized, there is no evidence of a well-defined
center yet. Conditions remain quite favorable for a tropical
depression or a storm to form well south of the coast of Mexico
later today or Sunday. Additional information on this system can be
found in High Seas Forecasts issued by the National Weather Service.
* Formation chance through 48 hours…high…90 percent.
* Formation chance through 5 days…high…near 100 percent.

2. A tropical wave is forecast to move over the far eastern Pacific
Ocean this weekend. Development of this system, if any, will occur
early next week while it moves westward south of Central America and
* Formation chance through 48 hours…low…near 0 percent.
* Formation chance through 5 days…low…10 percent.

High Seas Forecasts issued by the National Weather Service can be
found under AWIPS header NFDHSFEPI, WMO header FZPN02 KWBC, and on
the web at

Forecaster Avila

Weather in Cayman


Isolated showers and possible thunder is expected over the Cayman area for the next 24 hours as an upper level low moves over the Northwest Caribbean. Radar images show isolated showers around the Cayman area moving towards the west.

Sunshine just makes the day a little better, but it can also cause sunburns. Check the UV Report below to be prepared

Humidity: 90%  (UP from yesterday)

UV: 11.0   EXTREME  (DOWN from yesterday)

Temperature: Today’s current temperature – Not available.  See weather forecast top right of website.  Yesterday: H 90.9°F  L 77.9°F

Wind direction TODAY: E 10-15 mph

Wind direction TONIGHT: ENE 5-10 mph

Barometer: 1014.90 mb  Steady  Rain:   Last month: 11.49 in    Last 24 hrs 0.18 This month:  0.89 in  4 days since rain 6 rain days in June

2017 Season Total:  62.94 in      2018 : 17.46 in

Average Yearly Rainfall 56.20 in (Note: National Weather Service 2017 Season Total – measured at Owen Roberts Airport GT – was 59.32 in)

All readings are from SOUTH SOUND.

Average rainfall in June 7.2 in.  Average temperature in June: 77°F to 90°F

in June 82°F


Moon illumination: 95% Waning Gibbous




GRAND CAYMAN JUNE 2018 – Click to enlarge


Moon info and graphic:

Atlantic satellite image:

The Global Infrared Satellite image shows clouds by their temperature. Red and blue areas indicate cold (high) cloud tops. Infrared (IR) radiation is electromagnetic radiation whose wavelength is longer than that of visible light, but shorter than that of terahertz radiation and microwaves. Weather satellites equipped with scanning radiometers produce thermal or infrared images which can then enable a trained analyst to determine cloud heights and types, to calculate land and surface water temperatures, and to locate ocean surface features.

Tropical storm data and graphics from National Hurricane Center at:



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