K40 Weather Anvik Seaplane Base

Anvik, AlaskaElevation 52 ftSeaplane base
OFF-FIELD REFERENCE
Nearest report: PANV · 1 NM SE · 42 min old
Ceiling 1,000 ft, visibility 9 SM, rain.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · PANV
WIND
160@9
steady
VISIBILITY
9 SM
14.5 km
CEILING
1,000 ft
lowest BKN/OVC
ACTIVE NWS ALERTS

Active weather alerts

Wind AdvisoryModerate · Expected · Likely
26 0300Z to 26 1800Z
Lower Yukon and Innoko Valleys; Upper Kuskokwim Valley
* WHAT...South winds 15 to 25 mph with gusts up to 40 mph expected. * WHERE...Lower Yukon to the Upper Kuskokwim Valley. * WHEN...From 7 PM this evening to 10 AM AKDT Monday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

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 160° at 9 kt, visibility 9 SM, temperature 3.9C. Treat this as supplemental, not an aviation observation. Forecast suggests this afternoon light rain, high near 40F, low near 38F, 100% chance of precipitation. Key risks: strong winds in the forecast.

PILOT WEATHER NOTES
Strong winds in the forecastWeather.gov
Monday: winds up to 30 kt. Re-check crosswind components closer to departure.
DayConditionsTemp FWindGustsPrecipPilot note
This Afternoon Light Rain 40/38 S 9 kt – 100%
Monday Light Rain Likely 43/38 SW 13 kt 30 kt 74% Strong winds in the forecast
Tuesday Chance Light Rain 42/36 S 9 kt – 69%
Wednesday Rain 42/33 SE 13 kt – 85%
Thursday Rain And Snow 41/37 SE 13 kt – 91%
Friday Rain And Snow Likely 40/33 S 13 kt – 71%
Saturday Chance Rain And Snow 38/30 SW 9 kt – 43%

Source: National Weather Service (office AFG). Forecast issued 0037Z.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for K40. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 2,000 ft

E/W
Dimensions
2,000 x 500 ft
Surface
Water
RWY E
Traffic patternLeft
RWY W
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

Field elevation
52 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0253Z 6:53 PM
Sunrise
1758Z 9:58 AM
Loggable night
0341Z (7:41 PM local) → 1709Z (9:09 AM local)
end of evening to start of morning civil twilight
Position lights required
0253Z (6:53 PM local) → 1758Z (9:58 AM local)
sunset to sunrise (91.209)
Night passenger currency
0353Z (7:53 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

Anvik Seaplane Base is in Anvik, Alaska. Field elevation 52 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 / IATAK40
SectionalMC GRATH
Center (ARTCC)ANCHORAGE
Flight service (AFSS)KENAI
RegionAlaska
CountryUnited States
Coordinates62.6562, -160.2050
Distance from city0 NM NW
SERVICES & LIGHTING
Control towerNon-towered
CTAF122.700
FREQUENCIES

Communications

122.700
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

K40 has no on-field report. Nearest reporting station: PANV (1 NM SE, MVFR).

AIRPORT REMARKS

Operational remarks

›OPERG AREA IN ANVIK RIVER.
›BOATS PARK IN BEACHING AREA.
›NO SERVICES OR DOCK. BEACHING AREA ON SHORE NEAR VILLAGE.
FREQUENTLY ASKED
Does K40 have a METAR?
No on-field METAR is issued for K40. This page uses the nearest reporting station as a reference.
Does K40 have a TAF?
No TAF is issued directly for K40. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at K40?
K40 sits at 52 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for K40?
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.