““Message in a Bottle’’ has its dumb points: too many shots of churning surf and lovers nestled in beach blankets, not to mention the premise that women find incommunicative, hulking shells like Blake the height of irresistibility. But it gets you. Wright Penn is luminous in a trench coat and sneakers. Paul Newman, as Costner’s crotchety dad, gets the best lines. ““That’s a mistake, letting her taste your coffee,’’ he offers, as Costner packs a boating picnic. Hey, Paul, it’s not his coffee that she’s after.
