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Dew Sweeper

A dew sweeper is a golfer who plays in the first group of the morning, while dew is still on the grass. The term covers both recreational players who chase the earliest tee time and tour professionals sent out at dawn after a poor start to a tournament.


What is a dew sweeper?

The name describes exactly what the golfer does. Walking the fairways before the sun has burned off the overnight moisture, the player’s shoes, club faces, and ball physically push the dew aside, leaving a visible track across the wet grass. The same person on the same course at noon would just be a golfer. At 6 a.m. with damp cuffs and a dripping ball, the player is a dew sweeper.

The term applies to two different groups. For weekend amateurs, it describes anyone who books the dawn slot to get out early. For professional tour players, it has a more specific and slightly less flattering meaning tied to how tournaments are scheduled (covered below). Some golfers also call this group the dawn patrol, a synonym used in older golf dictionaries and in many club pro shops.

Two ideas live behind the word. The first is the literal action: a person on grass moving water around with their feet and equipment. The second is the cultural shorthand. Early-morning golf has its own informal membership and its own quiet rituals.

Recreational dew sweepers vs. tour dew sweepers

The same word means different things to different golfers.

AspectRecreational dew sweeperTour dew sweeper
Why they’re out earlyFirst tee time of the day, by choiceAssigned the earliest tee time on Saturday or Sunday
What it signalsA keen golfer who likes empty coursesA weak first or second round and a low position on the leaderboard
Tone of the termA badge of honor, often used affectionatelyA mild dig, used by peers and the press
Conditions they faceWet grass, freshly cut greens, no players aheadThe same conditions, plus no fans or TV cameras

Tour pros tee off early on weekends because professional stroke-play events typically reverse the field’s running order after the cut. The leader plays last, and the player who scraped through the cut plays first. A pro who tees off in the dew on Saturday or Sunday is, almost by definition, near the bottom of the cut line. That is what makes the label sting in a tour locker room and harmless in a Saturday morning four-ball at the local muni.

Why golfers choose the earliest tee time

Plenty of recreational golfers prefer being a dew sweeper. The reasons are practical, not romantic.

Pace is the biggest one. With nobody ahead of the group, an 18-hole round can finish in three hours instead of the four or five it takes mid-morning. A weekend dew sweeper can be home for brunch and have the rest of the day clear.

Course condition matters too. The greens have been freshly cut, the bunkers have been raked, and the spike marks from the previous day have been smoothed out by the maintenance crew. For a few hours, the course is at its visual and playable peak.

Heat avoidance is another reason, especially in the southern US summer months when afternoon temperatures regularly clear 90°F. An early round means cooler air and a lower risk of dehydration. Wildlife sightings, like a deer crossing the fairway or a fox heading back to the tree line, are a small bonus that disappears once the course gets busy.

How dew affects play

Dew is harmless to the course but not always friendly to the golfer.

Wet grass slows ball roll dramatically. A putt struck at normal pace on a dew-covered green can come up well short because the moisture grabs the ball and slows it down. The same effect appears on fairways: a drive that would normally bounce and run another 20 yards just stops where it lands.

Wet club faces reduce backspin on iron shots. Moisture between the ball and the grooves means less grip at impact, which can produce what golfers call a “flier,” a shot that comes off lower and runs further than expected. Caddies and good players keep a towel clipped to the bag and dry the face between shots until the dew burns off.

Wet shoes and pant cuffs are simply part of the deal. Most experienced dew sweepers wear waterproof shoes and treat their socks as expendable for the first nine holes.

What the rules say about removing dew

Golfers cannot just brush dew off the line of a putt. The Rules of Golf, jointly published by the USGA and R&A, treat dew as a normal condition of the course rather than as casual or temporary water.

Under Rule 8.1a, improving the conditions affecting a stroke (the lie, the line of play, or the area of intended stance and swing) is not allowed. That includes wiping dew off the putting line or off the fairway in front of the ball. The general penalty applies: two strokes in stroke play, loss of hole in match play.

There is one specific exception. Rule 8.1b(8) allows a player to remove dew, frost, or water in the teeing area before playing a stroke. A golfer can also alter the surface of the ground there and press down sand or soil. The freedom only applies between the tee markers; the moment the ball is in play, the rest of the course is treated as found.

Dew is also not classed as an “abnormal course condition,” so a golfer cannot claim free relief from a dewy patch the way they would from temporary water after a rainstorm.

How greenkeepers remove dew before play

Course maintenance crews handle dew themselves so the greens are puttable for the first group out. The methods are simple and have not changed much in decades.

Cutting the greens with a mower removes most of the dew automatically, because the mower picks up moisture along with the grass clippings. Crews who need to dry the green without cutting often drag a long rope or rubber hose across the surface, knocking the droplets off the blades so they evaporate faster.

Some courses use a purpose-built tool. The Big Dew, mentioned by GOLF.com, is a wide windshield-wiper-style accessory pulled across the green to clear the surface in a few passes. Other operations use weighted drag mats. The choice usually comes down to budget and how quickly the morning groups are pushing off the first tee.

Where the term comes from

“Dew sweeper” has been part of golf slang for many years. Sports journalist Brent Kelley’s reference work on golf terminology lists it alongside “dawn patrol” as early-morning slang, with particular weight in professional tour contexts.

The term has also crossed into golf culture more broadly. James Dodson’s 2001 book The Dewsweepers: Seasons of Golf and Friendship, published by Dutton, takes its title from a regular early-morning group at a club in upstate New York. The Dewsweepers Golf Academy, run by Golf Digest Top 50 instructor Tony Ruggiero, uses the word in the same affectionate sense.

Related Golf Terms

  • Dawn patrol — Golfers who play very early in the morning.
  • Desert course — A course built in arid environments with desert landscaping and limited rough.
  • Decel — Decelerating through impact instead of accelerating, causing poor shots.
  • Dead — A shot that lands very close to the hole with little or no roll.
  • Cut line — The score that determines which players continue in a tournament after initial rounds.

Frequently Asked Questions

Is “dew sweeper” an insult?

Only in a tour context. When a professional player is called a dew sweeper for the third or fourth round, it means they are near the bottom of the leaderboard. For weekend golfers, the term is neutral or affectionate.

What is the difference between a dew sweeper and dawn patrol?

Not much. Both refer to the first players off in the morning, though dawn patrol is the broader term, and dew sweeper points specifically at the wet-grass image.

Is dew considered casual water?

No. The USGA and R&A do not classify dew as temporary water (formerly called casual water), so a player cannot take free relief from a dew-covered area.

Can a golfer wipe dew off the ball?

Yes, but only when the ball has been lifted under another rule, such as marking the ball on the green. A player cannot wipe dew off a ball that is in play in the general area.

What time do dew sweepers usually tee off?

Most courses open the first tee at dawn. Depending on season and latitude, that can range from around 5:30 a.m. in mid-summer to closer to 7:30 a.m. in winter.

Why do PGA Tour leaders tee off late on weekends?

Tour events reverse the field’s order after the cut, so the leader plays in the final group on Saturday and Sunday. The player who just made the cut tees off first.

Sources

  • USGA. “Rule 8 – Course Played as It Is Found.” Rules of Golf. Accessed May 2026.
  • USGA. “Rule 6.2b – Playing Ball from Teeing Area.” Rules of Golf. Accessed May 2026.
  • Northern California Golf Association (NCGA). “Rule of the Month: The CATS Out of the Bag.” May 2023.
  • Oregon Golf Association (OGA). “Rule of the Month: Tee for Two or Four?” August 2022.
  • Kelley, Brent. “What Is a Dew Sweeper? (Dew in the Rules of Golf).” LiveAbout. Accessed May 2026.
  • Colgan, James. “WATCH: This oddly satisfying dew sweeping video will leave you mesmerized.” GOLF.com, July 27, 2020.
  • Galvin Green. “Golf terminology with definitions.” Accessed May 2026.
  • Dodson, James. The Dewsweepers: Seasons of Golf and Friendship. Dutton, 2001.
Written by
Jason Miller

Jason Miller is a PGA Teaching Professional and golf equipment analyst with more than 15 years of experience in coaching, competitive golf, and equipment testing. Based in Scottsdale, Arizona, Jason has worked with golfers of all skill levels—from beginners picking up their first clubs to competitive amateurs looking to lower their handicap.

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