American Lake Seaplane Base Seaplane Base
W37 · Tacoma, WA · Non-towered
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-07 · night begins 09:09 PM
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:22 AM | 12:22Z |
| Sunrise | 05:57 AM | 12:57Z |
| Sunset | 08:35 PM | 03:35Z |
| Evening civil twilight Loggable night begins | 09:09 PM | 04:09Z |
Plan a flight from W37
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
Airspace hazards
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Runways
| Runway | Length | Your margin |
|---|---|---|
| 02/20 | 5,500 ft |
Prefer one flat page? Full runway details for W37 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the W37 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
TCM 109.60 · OLM 113.40 · SEA 116.80
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| TCM · Mcchord | TACAN | 109.60 · 33X | — | r249° / 3.5 NM |
| OLM · Olympia | VORTAC | 113.40 · 81X | High | r035° / 17.3 NM |
| SEA · Seattle | VORTAC | 116.80 · 115X | High | r191° / 20.4 NM |
Prefer one flat list? All W37 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- W37
- Coordinates
- 47.1415, -122.5610
- Elevation
- 235 ft MSL
- Magnetic variation
- 20E
- Sectional chart
- SEATTLE
- Airport use
- Public
- Control tower
- No
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- SEATTLE · 122.5 · 1-800-WX-BRIEF
- NOTAM facility
- SEA
- Attendance
- UNATNDD
- Segmented circle
- No
- Activated
- 1987/09
- Distance from city
- 3 SW
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Ownership & management 2 contacts
Remarks FAA · 6 notes
General
- ARPT UNDERLIES MCCHORD AFB CLASS D AIRSPACE.
- SWIMMERS & BOATERS IN THE AREA.
- DAY USE ONLY RECOMMENDED.
- NOISE ABATEMENT PROCEDURES IN EFFECT; CTC AMGR 253-589-2489, EXTENSION 7741.
- SEAPLANE DOCK AVAILABLE DURING PARK HOURS, 7:00 AM TO SUNSET.
- FOR CD CTC SEATTLE APCH AT 206-214-4723.
Nearby airports
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Also nearby: KZ10 Fort Lewis Road / Pacemaker Landing Zone Airport (9 NM) · 3B8 Shady Acres Airport (9 NM) · 00WA Howell Airport (private) (9 NM)
About W37
American Lake Seaplane Base (W37) is a seaplane base in Tacoma, WA, at 235 ft MSL. It has 1 runway, the longest 5,500 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for W37, refreshed from the Aviation Weather Center and FAA NASR.
Does W37 have a control tower?
No. American Lake Seaplane Base is a non-towered (pilot-controlled) seaplane base; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at W37?
American Lake Seaplane Base has 1 runway; the longest is 5,500 ft. See the Runways section for headings, surface, and lighting.
Where is W37?
American Lake Seaplane Base is in Tacoma, WA, at an elevation of 235 ft MSL. Coordinates: 47.1415, -122.5610.
Fly out of W37 often?
Save W37 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open W37 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.