Roche Harbor Seaplane Base
Daylight today(Jul 16, 2026, local time)
About 15h 43m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Roche Harbor Seaplane Base
Roche Harbor Seaplane Base is a public-use seaplane base located adjacent to Roche Harbor, on San Juan Island in San Juan County, Washington, United States. It is owned by the Roche Harbor Resort.
Summary from Wikipedia licensed under CC BY-SA.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (2)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| NE / SW | 5,000 ft / 1,524 m | 1000 ft | Water | Unlit | Open |
| NW / SE | 2,500 ft / 762 m | 500 ft | Water | Unlit | Open |
Nearby airports
Great-circle distance and true bearing from Roche Harbor Seaplane Base.
Frequently asked questions
Where is Roche Harbor Seaplane Base located?
Roche Harbor Seaplane Base is seaplane base located in Roche Harbor, United States.
How many runways does Roche Harbor Seaplane Base have?
Roche Harbor Seaplane Base has 2 runways, the longest being 5,000 ft / 1,524 m.
What time zone is Roche Harbor Seaplane Base in?
Roche Harbor Seaplane Base is in the America/Los Angeles time zone (UTC-07:00).
What is the magnetic variation at Roche Harbor Seaplane Base?
The magnetic variation (declination) at Roche Harbor Seaplane Base is approximately 15.3° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Roche Harbor Seaplane Base?
The nearest airport to Roche Harbor Seaplane Base is Roche Harbor Airport (RCE), about 0.8 nm to the e, followed by Stuart Island Airpark and Stuart Island West Airport.
Is the information on this page suitable for flight planning?
No. Roche Harbor Seaplane Base data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.