Z20 Weather Tuntutuliak Seaplane Base

Tuntutuliak, AlaskaElevation 15 ftSeaplane base

OFF-FIELD REFERENCE

Nearest report: PANA · 29 NM NE · 27 min old

Ceiling 1,000 ft, visibility 7 SM, gusts to 33 kt.

No on-field report, so no field flight category. Conditions at the field may differ.

OFF-FIELD REFERENCE · PANA

WIND

190@21

gust 33 kt

VISIBILITY

7 SM

11.3 km

CEILING

1,000 ft

lowest BKN/OVC

ACTIVE NWS ALERTS

Active weather alerts

Wind AdvisoryModerate · Expected · Likely

26 0000Z to 26 1800Z

Kuskokwim Delta Coast and Nunivak Island; Interior Kuskokwim Delta

* WHAT...Southwest winds 30 to 40 mph with gusts up to 55 mph expected. * WHERE...Kuskokwim Delta, including Kipnuk, Kwigillingok, and Bethel. * WHEN...From 4 PM this afternoon to 10 AM AKDT Monday. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. * ADDITIONAL DETAILS...Southwest winds will become strong and gusty by this afternoon. Winds are expec…

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

Coastal Flood AdvisoryMinor · Expected · Likely

26 0300Z to 26 1500Z

Kuskokwim Delta Coast and Nunivak Island

* WHAT...Coastal flooding, with water levels of 1.5 to 2.5 feet above the normal highest tide line, and 40 mph southwest winds with gusts up to 55 mph. * WHERE...Kuskokwim Delta Coast, including Kipnuk, Kwigillingok and Kongiganak. * WHEN...7 PM Sunday to 7 AM AKDT Monday, highest water levels expected around midnight Monday morning. * IMPACTS...Coastal flooding of low lying areas and erosion a…

A coastal flood advisory indicates that onshore winds and tides will combine to generate flooding of low areas along the shore.

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 180° at 24 kt, gusting 33 kt, visibility 7 SM, temperature 5.6C. Treat this as supplemental, not an aviation observation. Forecast suggests this afternoon light rain, high near 44F, low near 42F, 98% chance of precipitation. Key risks: strong winds in the forecast.

PILOT WEATHER NOTES

Strong winds in the forecastWeather.gov

This Afternoon: winds up to 39 kt. Re-check crosswind components closer to departure.

Day	Conditions	Temp F	Wind	Gusts	Precip	Pilot note
This Afternoon	Light Rain	44/42	S 30 kt	39 kt	98%	Strong winds in the forecast
Monday	Chance Light Rain	46/41	SW 26 kt	39 kt	39%
Tuesday	Chance Light Rain	44/40	S 26 kt	35 kt	95%
Wednesday	Light Rain	44/34	SW 30 kt	–	95%
Thursday	Rain And Snow	42/36	SE 26 kt	–	89%
Friday	Light Rain	41/33	S 22 kt	–	84%
Saturday	Chance Rain And Snow	38/30	NW 17 kt	–	40%

Source: National Weather Service (office ALU). Forecast issued 0123Z.

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RUNWAYS & WIND

Crosswind calculator

No runway layout is available for Z20. Enter a runway number or heading to estimate wind components.

RUNWAYS

Runway detail & declared distances

2 runways · longest 2,000 ft

NE/SW

Dimensions

2,000 x 200 ft

Surface

Water

RWY NE

Traffic patternLeft

RWY SW

Traffic patternLeft

NW/SE

Dimensions

2,000 x 200 ft

Surface

Water

RWY NW

Traffic patternLeft

RWY SE

Traffic patternLeft

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

FIELD CONDITIONS

Field elevation

15 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

0311Z 7:11 PM

Sunrise

1758Z 9:58 AM

Loggable night

0356Z (7:56 PM local) → 1714Z (9:14 AM local)

end of evening to start of morning civil twilight

Position lights required

0311Z (7:11 PM local) → 1758Z (9:58 AM local)

sunset to sunrise (91.209)

Night passenger currency

0411Z (8:11 PM local) → 1658Z (8:58 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

Tuntutuliak Seaplane Base is in Tuntutuliak, Alaska. Field elevation 15 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPublicly owned

UseOpen to the public

TypeSeaplane base

AttendedUNATNDD

CHARTS & AIRSPACE

ICAO / IATAZ20

SectionalBETHEL

Center (ARTCC)ANCHORAGE

Flight service (AFSS)KENAI

RegionAlaska

CountryUnited States

Coordinates60.3415, -162.6660

Distance from city0 NM E

SERVICES & LIGHTING

Control towerNon-towered

CTAF122.700

FREQUENCIES

Communications

122.700

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

Z20 has no on-field report. Nearest reporting station: PANA (29 NM NE, MVFR).

PANA Napakiak Airport

PAQH Quinhagak Airport

43 NM SE

MVFR

PFKW Kwethluk Airport

AIRPORT REMARKS

Operational remarks

›WX CAMERA AVBL ON INTERNET AT HTTPS://WEATHERCAMS.FAA.GOV

›WATERFOWL INVOF SPB.

›NO DOCK OR FACILITIES OF ANY KIND. BEACHING AREA ON BANK OF RIVER ADJACENT TO VILLAGE.

›MULTIPLE UNLIT WINDMILLS SURROUNDING RIVER, SOME AS TALL AS 120 FT.

›ESTABD PRIOR TO 1959.

OFFICIAL LINKS & SOURCES

↗Search NOTAMs (official FAA NOTAM Search)

↗Z20 on OurAirports

FREQUENTLY ASKED

Does Z20 have a METAR?

No on-field METAR is issued for Z20. This page uses the nearest reporting station as a reference.

Does Z20 have a TAF?

No TAF is issued directly for Z20. Use the nearest TAF-issuing field as a planning reference.

What is the field elevation at Z20?

Z20 sits at 15 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for Z20?

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.