Fall 2026 Seattle-Area Aerification Guide: When Your Favorite Seattle-Area Courses are Punching their Greens
Fall golf in the PNW hits different — cooler mornings, that first hint of color on the maples, and just enough crispness in the air to make you actually enjoy walking 18. But right about the time you're settling into peak fall-golf mode, you step up to the green, take your putt... and it dies in a hole three feet short. Welcome back to aerification season.
Why Courses Punch Holes in Perfectly Good Greens
If you're newer to the game (or just never bothered to ask), aerification is the process where greenskeepers pull small plugs of turf and soil out of the greens, leaving behind a field of little holes that look like they were made by a very committed gopher.
It looks rough, but it's one of the most important things a course does all year. Pulling those plugs relieves compaction, opens up the soil so air and water can actually reach the roots, and sets the turf up to survive a soggy PNW winter and bounce back strong come spring. Most local courses aerify twice a year — spring and fall — to keep their greens in game shape.
How Long Before Things Roll True Again?
Recovery time swings based on the weather, soil type, and how deep the plugs were pulled, but here's the general timeline you can expect:
Playable, but bumpy: roughly 7–10 days post-aerification (you can putt, just don't expect it to be pretty)
Fully recovered: around 3 weeks out (back to smooth, predictable rolls)
Here's the silver lining: a lot of courses drop their rates during and just after aerification. If you don't mind some lumpy greens, this is a great window to sneak in a cheap round or try a new course while everyone else is waiting it out.
Fall 2026 Aerification Dates — Greater Seattle Area
We tracked down aerification windows for local courses so you can plan your rounds accordingly — whether that means dodging the bumpy greens or chasing the post-aerification deals.
Heads up: this info is current as of September 8th, 2026. Weather can (and does) push these dates around, so treat this as a living guide — we'll keep it updated as courses confirm or adjust their schedules.
Golf Course | Aerification Dates | Moderately Playable | Back to 100% |
Auburn GC | Sept 28 – Oct 1 | Oct 8 | Oct 22 |
Avalon Golf Links | Likely week of Oct. 5 | Oct 18 | Nov 1 |
Battle Creek Golf Course | Sept 13–14 | Sept 21 | Oct 5 |
Bellevue GC | Sept 14–15 | Sept 22 | Oct 6 |
Bill Wright (Jefferson Park) | Sept 8 | Sept 15 | Sept 29 |
Camaloch Golf Course | TBD: October | – | – |
Cedarcrest | Oct 5–6 | Oct 13 | Oct 27 |
Chambers Bay | Sept 28 – Oct 2 | Oct 9 | Oct 23 |
Druids Glen Golf Course | Sept 23 | Sept 30 | Oct 14 |
Echo Falls | Oct 5–6 | Oct 13 | Oct 27 |
Gleneagle | Oct 5–6 | Oct 13 | Oct 27 |
Gold Mountain Cascade | Oct 6–7 | Oct 14 | Oct 28 |
Gold Mountain Olympic | Sept 29–30 | Oct 7 | Oct 21 |
Harbour Pointe | Sept 28 | Oct 5 | Oct 19 |
Home Course | Oct 5–9 | Oct 16 | Oct 30 |
Interbay | Sept 23 | Sept 30 | Oct 14 |
Jackson Park | Sept 13 | Sept 20 | Oct 4 |
Lakeland Village | Sept 13–14 | Sept 21 | Oct 5 |
Lake Padden | Sept 28–29 | Oct 6 | Oct 20 |
Lake Spanaway Golf Course | Sept 14–15 | Sept 22 | Oct 6 |
Lake Wilderness | Oct 5–6 | Oct 13 | Oct 27 |
Legion Memorial | Sept 21–22 | Sept 29 | Oct 13 |
Lynnwood GC | Sept 21–22 | Sept 29 | Oct 13 |
Maplewood Golf Course | Sept 1 | Sept 8 | Sept 22 |
McCormick Woods | Not aerifying this fall | – | – |
Mount Si Golf Course | Sept 8–10 | Sept 17 | Oct 1 |
Nile Shrine Golf Course | Sept 21–22 | Sept 29 | Oct 13 |
Port Ludlow Golf Course | Sept 22–23 | Sept 30 | Oct 14 |
Redmond Ridge | Oct 5–6 | Oct 13 | Oct 27 |
Shuksan GC | Oct 5–6 | Oct 13 | Oct 27 |
Snohomish Golf Course | Sept 21–23 | Sept 30 | Oct 14 |
Sudden Valley | Oct 6–7 | Oct 14 | Oct 28 |
Trophy Lake | Sept 28–29 | Oct 6 | Oct 20 |
Twin Rivers Golf Course | TBD: October | – | – |
Washington National | TBD: Mid-October | – | – |
West Seattle | Sept 15–16 | Sept 23 | Oct 7 |
Whidbey Golf Club | Sept 8–10 | Sept 17 | Oct 1 |
White Horse | Sept 22–23 | Sept 30 | Oct 14 |
Willows Run Coyote Creek | Likely not aerifying this fall | – | – |
Willows Run Eagles Talon | Likely not aerifying this fall | – | – |
Moderately playable and back-to-100% estimates are calculated from the last day of each course's aerification window (7 days for moderately playable, 21 days for fully healed). Actual recovery can run faster or slower depending on weather.
Final Thoughts
No one loves showing up to their favorite course during aerification week, especially when fall is serving up some of the best golf weather of the year. But think of it like an oil change for the greens — a little short-term annoyance for a course that plays great the other 11 months.
Use this guide to plan around the bumpy stretches, scope out a course you haven't tried yet, or just lower your putting expectations for a couple of weeks and enjoy being outside.
Don't see your home course on the list yet? No worries — we're still confirming dates with a few clubs and will keep this guide updated as we hear back.
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