5Z1 Weather Juneau Harbor Seaplane Base

Juneau, AlaskaSeaplane base
OFF-FIELD REFERENCE
Nearest report: PAJN · 6 NM NW · 6 min old
Ceiling 2,900 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · PAJN
WIND
080@3
steady
VISIBILITY
10 SM
16.1 km
CEILING
2,900 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 from 90° at 9 kt, visibility 10 SM, temperature 4C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight slight chance light rain then mostly cloudy, low near 36F, 20% 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 then Mostly Cloudy 36 NE 4 kt – 20%
Tuesday Mostly Sunny 47/36 N 9 kt – 1%
Wednesday Sunny 44/30 NE 9 kt – 0%
Thursday Sunny 42/32 NE 4 kt – 5%
Friday Chance Rain And Snow 41/38 E 4 kt – 60%
Saturday Light Rain Likely 42/39 SE 4 kt – 60%
Sunday Light Rain Likely 43/39 E 4 kt – 57%
Monday Chance Light Rain 43 E 4 kt – 45%

Source: National Weather Service (office AJK). Forecast issued 0226Z.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for 5Z1. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail

NW/SE
Dimensions
10,000 x 1,000 ft
Surface
WATER-E
DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0123Z 5:23 PM
Sunrise
1600Z 8:00 AM
Loggable night
0204Z (6:04 PM local) → 1519Z (7:19 AM local)
end of evening to start of morning civil twilight
Position lights required
0123Z (5:23 PM local) → 1600Z (8:00 AM local)
sunset to sunrise (91.209)
Night passenger currency
0223Z (6:23 PM local) → 1500Z (7:00 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

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

OPERATIONS & CONTACT
TypeSeaplane base
CHARTS & AIRSPACE
ICAO / IATA5Z1
RegionAlaska
CountryUnited States
Coordinates58.2989, -134.4080
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

5Z1 traffic patterns

2026-07-28 to 2026-10-16, 20 days observed · data 2026-10-25

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
0
AVG OPS/DAY
3.2
Activity trend over 6 days: falling, from 9 to 2 operations per dayOperations trend (6 days)

Busiest day: Mon · Busiest month: Sep

FLEET MIX
Turboprop 80%Helicopter 20%

Mostly turboprop aircraft.

TOP AIRCRAFT TYPES
›DH3T (Turboprop) · ~3 landings/mo
›AS50 (Helicopter) · ~1 landings/mo
›B06 (Helicopter) · ~0 landings/mo
›H500 (Helicopter) · ~0 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly rotorcraft.

›AS50 (Helicopter)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

5Z1 has no on-field report. Nearest reporting station: PAJN (6 NM NW, MVFR).

FREQUENTLY ASKED
Does 5Z1 have a METAR?
No on-field METAR is issued for 5Z1. This page uses the nearest reporting station as a reference.
Does 5Z1 have a TAF?
No TAF is issued directly for 5Z1. Use the nearest TAF-issuing field as a planning reference.
Is this an official preflight weather briefing for 5Z1?
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.