WxDecoder

W39 Weather Roche Harbor Seaplane Base

Roche Harbor, WashingtonSeaplane base
SUPPLEMENTAL
N/A
Nearest NWS station (nearest NWS station): 9°C · wind 80@7. Supplemental, not an aviation observation.
SUPPLEMENTAL · nearest NWS station
WIND
080@7
steady
VISIBILITY
10 SM
16.1 km
TEMP
9°C
NWS station
ACTIVE NWS ALERTS

Active weather alerts

Small Craft AdvisoryMinor · Expected · Likely
25 1200Z to 26 0000Z
Northern Inland Waters Including The San Juan Islands
* WHAT...East winds 15 to 25 kt. * WHERE...Northern Inland Waters Including The San Juan Islands. * WHEN...From 5 AM to 5 PM PDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.
A Small Craft Advisory means that wind speeds of 21 to 33 knots and/or seas 10 feet or higher are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions.

Alerts from the National Weather Service. For situational awareness only; always confirm against an official briefing.

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 from 80° at 7 kt, visibility 10 SM, temperature 9C. Treat this as supplemental, not an aviation observation. Forecast suggests today light rain likely, high near 55F, low near 46F, 72% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Today Light Rain Likely 55/46 ESE 13 kt 18 kt 72%
Monday Slight Chance Light Rain then Mostly Cloudy 54/44 N 7 kt – 15%
Tuesday Partly Sunny then Chance Light Rain 53/43 SW 10 kt – 83%
Wednesday Light Rain 52/42 SE 7 kt – 85%
Thursday Light Rain Likely 50/40 E 10 kt – 63%
Friday Slight Chance Light Rain then Partly Sunny 49/41 NE 6 kt – 16%
Saturday Partly Sunny then Slight Chance Light Rain 50/41 ESE 5 kt – 27%

Source: National Weather Service (office SEW). Forecast issued 1300Z.

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 W39. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail

NE/SW
Dimensions
5,000 x 1,000 ft
Surface
WATER
NW/SE
Dimensions
2,500 x 500 ft
Surface
WATER
DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0106Z 6:06 PM
Sunrise
1447Z 7:47 AM
Loggable night
0138Z (6:38 PM local) → 1415Z (7:15 AM local)
end of evening to start of morning civil twilight
Position lights required
0106Z (6:06 PM local) → 1447Z (7:47 AM local)
sunset to sunrise (91.209)
Night passenger currency
0206Z (7:06 PM local) → 1347Z (6:47 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

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

OPERATIONS & CONTACT
UseScheduled service
TypeSeaplane base
Airline serviceYes
CHARTS & AIRSPACE
ICAO / IATAW39
RegionWashington
CountryUnited States
Coordinates48.6108, -123.1600
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Nearby airports

WA09 Roche Harbor Airport
1 NM E
7WA5 Stuart Island Airpark
4 NM N
2WA3 Stuart Island West Airport
5 NM NW
DHB Deer Harbor SPB
6 NM E
US-6085 King Airport
6 NM SE
CKR Crane Island Airstrip
7 NM E
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗Wikipedia
↗W39 on OurAirports
FREQUENTLY ASKED
Does W39 have a METAR?
No on-field METAR is issued for W39. This page uses the nearest reporting station as a reference.
Does W39 have a TAF?
No TAF is issued directly for W39. Use the nearest TAF-issuing field as a planning reference.
Is this an official preflight weather briefing for W39?
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.