Water temperatures for Alcatraz swims are usually in the mid-50's to mid-60's. For comparison, pools used for competitive swimming are between 77 and 82 degrees (Fahrenheit).
Swimming from Alcatraz Island
Crossing from Alcatraz to San Francisco is not as challenging as one may think based on popular lore about sharks and freezing waters. In fact, sharks in San Francisco Bay are exceedingly rare, and wetsuits minimize the physical impact of the frigid waters.
The bay is actually only as deep as a swimming pool.
Heck, between Hayward and San Mateo to San Jose it averages 12 to 36 inches. So much for that bridge! With that said though, the water surrounding Alcatraz is on the deeper end of the scale, but still, it's just an average depth of 43 feet.
Jim Zinger told himself after swimming from Alcatraz Island to mainland San Francisco 12 years ago that he would never attempt the feat again. However, when a friend asked if he might make the roughly two-mile crossing a second time as an early birthday gift to himself, he had to give it a go.
Because of the isolation created by the cold, strong currents of the waters of San Francisco Bay, as early as 1859, Alcatraz was used to house soldiers convicted of crimes.
Ventilator cover on the roof of the Alcatraz prison through which the inmates made their escape. Many historians and law enforcement officials believe the men drowned in the bay. However, no bodies were ever found.
The 1962 escape is probably the most famous prison break in American history, and the three men involved have never been located, dead or alive.
Prison Closure
On March 21, 1963, USP Alcatraz closed after 29 years of operation. It did not close because of the disappearance of Morris and the Anglins (the decision to close the prison was made long before the three disappeared), but because the institution was too expensive to continue operating.
What is this? The biography of Al Capone continues in January of 1939, when he was transferred out of Alcatraz. He was moved to another facility and then paroled at the end of the year.
In the 1930s, Alcatraz was already a forbidding place, surrounded by the cold, rough waters of the Pacific. The redesign included tougher iron bars, a series of strategically positioned guard towers, and strict rules, including a dozen checks a day of the prisoners. Escape seemed near impossible.
Only 3 People Have Ever Escaped Alcatraz—Here's How.
One man who successfully escaped Alcatraz custody for a time was the counterfeiter John Standig. On the way back from a trial in 1935, Standig jumped off a railroad train and into a stream near Richmond, California.
(Alcatraz opened as a national recreation area in 1973, a decade after it transferred its last inmate.) Fewer than 600 people can stay overnight each year. Only nonprofits are allowed the privilege, and spots are given out via lottery. Typically Alcatraz hosts young scout troops.
Temperatures on Alcatraz Island seldom rise above 75°F (24°C) or fall below 38°F (3°C). It almost never snows on the Island, but winters can be wet and cold. Afternoon winds are common during every season.
Pictures Inside Alcatraz
Yes, can take pictures everywhere within Alcatraz. There are no restrictions on taking photographs as long as you are in an area open to the public. Make sure to look out the windows because you can get some great photos of places on the island that are not open to the public.
Alvin Karpis
Edgar Hoover himself and sentenced to life imprisonment at Alcatraz for ten murders, six kidnappings, and a robbery. He was the last of the depression-era criminals to be caught and served the longest sentence, 26 years, of any Alcatraz prisoner.
Karpis served the longest sentence of any prisoner at Alcatraz: 26 years. In April 1962, with Alcatraz in the process of being closed, he was transferred to McNeil Island Penitentiary in Washington state.
A fourth man, Allen West, who also participated in the escape plot, was serving his second term at the Rock. Left behind on the night of the escape, West later told the authorities much of what is now known about the complicated scheme, and even claimed to have been the mastermind himself.
Frank Lucas Bolt. Little has been documented about Alcatraz's LGBTQ+ prisoners, but gay men did play a role in the infamous prison. In fact, it was a queer man, Frank Lucas Bolt, who served as the prison's first official inmate.
A fourth conspirator, Allen West, failed in his escape attempt and remained on the island. Hundreds of leads were pursued by the Federal Bureau of Investigation (FBI) and local law enforcement officials in the ensuing years, but no conclusive evidence has ever surfaced favoring the success or failure of the attempt.
Assuming any of them survived the currents in the San Francisco Bay while fleeing the Rock (and that they also survived the intervening 60 years), all the men would be into their 90s.
D-Block housed the worst inmates, and six cells at its end were designated "The Hole". Prisoners with behavioral problems were sent to these for periods of often brutal punishment. The dining hall and kitchen extended from the main building. Prisoners and staff ate three meals a day together.
Although the Alcatraz penitentiary was able to house 450 convicts in cells that measured about 10 by 4.5 feet (3 by 1.5 metres), no more than 250 prisoners ever occupied the island at one time.
Parents need to know that Escape from Alcatraz is based on the true story of three inmates who may have been the only ones in the prison's history to successfully escape.