Rosario Seaplane Base
W49 · Rosario, WA · Non-towered · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-22 · night begins 07:41 PM
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:26 AM | 13:26Z |
| Sunrise | 06:58 AM | 13:58Z |
| Sunset | 07:10 PM | 02:10Z |
| Evening civil twilight Loggable night begins | 07:41 PM | 02:41Z |
Plan a flight from W49
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
| Runway | Length | Your margin |
|---|---|---|
| 16W/34W | 10,000 ft | |
| 07W/25W | 2,500 ft |
Prefer one flat page? Full runway details for W49 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the W49 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
NUW 113.80 · HUH 113.00 · CVV 117.20
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| NUW · Whidbey Island | TACAN | 113.80 · 85X | — | r317° / 19.3 NM |
| HUH · Whatcom | TACAN | 113.00 · 77X | — | r193° / 21.3 NM |
| CVV · Penn Cove | VOR/DME | 117.20 · 119X | Low | r328° / 24.7 NM |
Prefer one flat list? All W49 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- W49
- Coordinates
- 48.6457, -122.8680
- Elevation
- 0 ft MSL
- Magnetic variation
- 21E
- 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
- ALL DALGT
- Segmented circle
- No
- Activated
- 1948/01
- Distance from city
- 0 S
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 128.25 — 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.
Services fuel · repairs · oxygen · attendance
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management 2 contacts
Remarks FAA · 4 notes
General
- TRANSIENT DOCK AVBL.
- CTC HARBORMASTER FOR OVNGT SEAPLANE MOORAGE, 360-472-4866. SLCT OPTION 4 FOR MARINA OFC.
- FOR CD CTC WHIDBEY APCH AT 360-257-3310.
Contact
- SELECT #4 FOR MARINA OFFICES
Nearby airports
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Also nearby: WA39 Crow Valley (private) (3 NM) · WA35 Clam Harbor (private) (3 NM) · WA83 Westsound/Wsx (private) (4 NM) · 38WA Blakely Island (private) (4 NM) · 6WA5 Wilding Farm (private) (5 NM)
About W49
Rosario (W49) is a seaplane base in Rosario, WA, at 0 ft MSL. It has 2 runways, the longest 10,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for W49, refreshed from the Aviation Weather Center and FAA NASR.
Does W49 have a control tower?
No. Rosario is a non-towered (pilot-controlled) seaplane base; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at W49?
Rosario has 2 runways; the longest is 10,000 ft. See the Runways section for headings, surface, and lighting.
Where is W49?
Rosario is in Rosario, WA, at an elevation of 0 ft MSL. Coordinates: 48.6457, -122.8680.
More about W49
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 W49 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.
Something here wrong or out of date? Report a data problem.