WxDecoder

W49/RSJ Weather Rosario Seaplane Base

Rosario, WashingtonSeaplane base
OFF-FIELD REFERENCE
Nearest report: KORS · 4 NM NW · 10 min old
Ceiling 4,900 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KORS
WIND
040@7
steady
VISIBILITY
10 SM
16.1 km
CEILING
4,900 ft
lowest BKN/OVC
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind direction unknown at 5 kt, gusting 10 kt, visibility 10 SM, temperature 12C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight slight chance light rain, low near 47F, 24% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Slight Chance Light Rain 47 ENE 6 kt – 24%
Monday Slight Chance Light Rain then Mostly Cloudy 53/47 N 4 kt – 17%
Tuesday Light Rain 52/44 SSW 9 kt – 92%
Wednesday Light Rain 50/42 SSE 7 kt – 95%
Thursday Light Rain Likely 50/41 ENE 8 kt – 63%
Friday Mostly Sunny 50/40 NNE 5 kt – 14%
Saturday Mostly Sunny 50/41 NNE 3 kt – 5%
Sunday Partly Sunny 50 ENE 4 kt – 14%

Source: National Weather Service (office SEW). Forecast issued 0224Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for W49. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

2 runways · longest 10,000 ft

07W/25W
Dimensions
2,500 x 1,000 ft
Surface
Water
RWY 07W
Traffic patternLeft
RWY 25W
Traffic patternLeft
16W/34W
Dimensions
10,000 x 1,000 ft
Surface
Water
RWY 16W
Traffic patternLeft
RWY 34W
Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0103Z 6:03 PM
Sunrise
1448Z 7:48 AM
Loggable night
0135Z (6:35 PM local) → 1415Z (7:15 AM local)
end of evening to start of morning civil twilight
Position lights required
0103Z (6:03 PM local) → 1448Z (7:48 AM local)
sunset to sunrise (91.209)
Night passenger currency
0203Z (7:03 PM local) → 1348Z (6:48 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Rosario Seaplane Base is in Rosario, Washington. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UseOpen to the public
TypeSeaplane base
Airline serviceYes
ManagerTERRY JONES
Manager phone360-472-4866
AttendedDaily, DALGT
CHARTS & AIRSPACE
ICAO / IATARSJ
SectionalSEATTLE
Center (ARTCC)SEATTLE
Flight service (AFSS)SEATTLE
RegionWashington
CountryUnited States
Coordinates48.6457, -122.8680
Distance from city0 NM S
SERVICES & LIGHTING
Control towerNon-towered
CTAF128.250
FREQUENCIES

Communications

128.250
CTAF
CTAF

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

W49 has no on-field report. Nearest reporting station: KORS (4 NM NW, VFR).

KORS Orcas Island Airport
4 NM NW
VFR
KFHR Friday Harbor Airport
10 NM SW
VFR
KBLI Bellingham International Airport
16 NM NE
VFR
KNUW Whidbey Island Naval Air Station (Ault Field)
20 NM SE
VFR
KBVS Skagit Regional Airport
21 NM SE
VFR
CYYJ Victoria International Airport
22 NM W
VFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC WHIDBEY APCH AT 360-257-3310.
›SELECT #4 FOR MARINA OFFICES
›TRANSIENT DOCK AVBL.
›ESTABD PRIOR TO 15 MAY 1959.
›CTC HARBORMASTER FOR OVNGT SEAPLANE MOORAGE, 360-472-4866. SLCT OPTION 4 FOR MARINA OFC.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗Wikipedia
↗W49 on OurAirports
FREQUENTLY ASKED
Does W49 have a METAR?
No on-field METAR is issued for W49. This page uses the nearest reporting station as a reference.
Does W49 have a TAF?
No TAF is issued directly for W49. Use the nearest TAF-issuing field as a planning reference.
Is this an official preflight weather briefing for W49?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.