K.J. Choi enjoyed his window Friday morning before rain bullied Harbour Town Golf Links.
The South Korean shot 4-under-par 67 in the second round of the RBC Heritage presented by Boeing to lead at 5-under 137 before heavy rain suspended play.
The second round will resume Saturday at 8 a.m. -- if weather allows. Sixty-five players did not finish their second round.
Among the information spectators need to know Saturday:
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- Friday tickets will not be honored
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- Restrictions on what spectators are allowed to bring will not change
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Rain suspended play at 2:54 p.m. Friday. Players were brought off the course and into the clubhouse.
Choi has a one-shot lead over Robert Allenby, who had finished five holes, and leads by two shots over three players who finished their rounds -- Luke Donald, Scott Langley and Billy Hurley III.
Bo Van Pelt and Ben Martin also reached 3 under early in their rounds before play was suspended.
"It's not any fun when it's blowing 20 miles an hour in every different direction, and it's raining at the same time," Allenby said. "So it was nice to get out of there."
Saturday's forecast calls for a 60 percent chance of rain with possible thunderstorms threatening to further reshape the weekend schedule.
PGA Tour official Slugger White told the Golf Channel that four hours of golf remained in the second round, that he hoped players could then turn around and play the third round before dark without interruption.
"That's in a perfect world," he said on the television broadcast.
Choi said he has skipped Harbour Town in the past to be home with his three children but decided in recent years to return to a course that fits his game.
He chipped in on the par-4 11th for one of his six birdies. Choi made bogey on the par-5 15th after his 8-iron approach sailed long. He also dropped a shot with a three-putt on No. 9.
Choi has one top-10 finish in 10 events this season, a tie for second at the Farmers Insurance Open in January. The 43-year-old said he is learning from some of the older players on tour.
He knows his way around Harbour Town.
"If you just hit it beneath the trees, it's a good course to play," Choi said. "It has very small targets and this course is working well for me, because I like those situations."
Allenby birdied his first two holes Friday before a string of pars. With rain blowing sideways, he hit his drive down the middle on No. 6 before play was called.
The 42-year-old Australian said he recently sold the boat he used to bring to the tournament and tie up alongside the other yachts in the Harbour Town Yacht Basin. Allenby is now staying in a hotel suite and hanging out on a friend's boat.
He likes the golf as well as the party.
"You have to use your imagination off the tee, and then you have to use your imagination into the greens," Allenby said. "And it's not about just hitting one particular shot."
Some big names are in good position with plenty of holes left in the second round.
Defending champion Graeme McDowell is 2 under through 24 holes. Jim Furyk, the 2010 champion, is 2 under through seven holes of his second round.
Donald is only two shots back after getting in with a 2-under 69 on Friday. He has four top-three finishes in his last five Heritage appearances.
Allenby expects scores to remain mild on the weekend.
"It's a tough track, because I know we're probably going to have some windy conditions over the weekend as well," he said.
Follow reporter Stephen Fastenau at twitter.com/IPBG_Stephen.