RTB Weather Forecast for Saturday, July 23, 2011

Roatan Weather Forecast

As presented by Radio Roatan, FM 101.1 or www.roatanradio.com

and

CoCoView Resort, www.cocoviewresort.com, 800-282-8932

CoCoView is at 16.3°N Latitude x 86.5°W Longitude

In the

NW Caribbean Sea

Saturday July 23, 2011

Again, skies will be mostly sunny with some mid to high level cloudiness. Winds are variable in strength from the east at 15 to 20 mph The seas are choppy at 2 to 4 feet in height . These winds and seas will continue through Sunday. There still is a very slight chance of widely scattered, intermittent, rain showers and thunderstorms. Another tropical wave will reach the Western Caribbean by Tuesday; possibly as a tropical storm. See Figs 6, 7, & 8 below.

Fig 1 - Forecast Wind Speed, Direction & Precipitation_110723

Fig 2 - Forecast Wind Map, 110723_1500 LT

Fig 3 - Forecast Isobars, Cloud Cover and Precipitation, 110723_1500 LT

The air temperatures will be in the 80s to the mid 90s (F) or 27 to 32 (C). The heat index is 100F or 38C.
At depth, ocean water temperatures are about 82F to 84F or 28C to 29C . Visibility is generally 60 to 80 feet.

The Tropical Weather Outlook

TD Brett and TS Cindy have degenerated in the North Atlantic. Elsewhere, an area of disturbed weather has been designated  Invest 90. It is associated with a tropical wave, along 60 W and is now given a 30% chance for further development in the next 48 hours. This morning, it is just E of the Windward Islands, traveling WNW at 15 to 20 mph. It is approximately 1600 miles east of Roatan and the Bay Islands. Presently, it poses no threat to us.

Fig 4 - Graphicast

Fig 5 - Tropical Surface Analysis

Fig 6 - Water Vapor, early am, 110723

Fig 7 - Caribbean IR Satellite

Fig 8 - Computer Model Runs for Invest 90, early am 110723

Table 1 - Invest 90 co-ordinates

Fig 9 - Wind Speeds, yesterday at the Roatan Airport

The Tides:                                                  Moon and Sun

high tide 2:55 am LT                                     Moon Rise –11:54 pm LT

low tide 9:50 am LT                                                   Moon Set – 12:14 pm LT

high tide 5:04 pm LT                                             Sunrise – 5:26 am LT

low tide 10:45 pm LT                                                 Sunset – 6:21 pm LT