The remainder of the early starters found the going difficult with San Diego's "June Gloom" rolling in off the Pacific.

Weekley and Snedeker were two under through 13 and 10 holes respectively, while Jobe was one under through four.

A handful of players were at even par with most of the field struggling to find birdies on Torrey Pines' South Course.

Weekley, Snedeker and Jobe were all at five over and eight shots behind leader Stuart Appleby of Australia, who was set to tee off with American Rocco Mediate in the final group.

Tiger Woods and Sweden's Robert Karlsson were due out in the next to last group with Woods looking to pick up right where he left off when he begins the third round.

Looking for his third US Open title, Woods scorched the front nine - his final nine - on Friday with a five-under 30.

He carded a three on the first five holes coming in, including four birdies and a birdie at the ninth got him to two under for a 140 total, just a stroke off the lead.

Mediate and Karlsson were also at two under following their second rounds, with Lee Westwood and Spain's Miguel Angel Jimenez at one under.

They will be aiming to have better luck that some of the big names who managed to make the cut but were finding it tough going on Saturday.

Paul Casey played his front nine in two over and dropped to nine over for the championship.

Vijay Singh was at 11 over after going out in 39 for four over while Jesper Parnevik was seven over through 13 for the round and 14 over in total.

Alastair Forsyth managed a 73 on Friday to make the cut on the number and was hanging in there today.

He bogeyed the par-four sixth hole for the third time this week but has managed 10 pars and was one over after 11 holes and at eight over for the tournament.