D28 Weather Tanglefoot Seaplane Base

Cavanaugh Bay, IdahoElevation 2,438 ftSeaplane base
OFF-FIELD REFERENCE
Nearest report: KSZT · 18 NM SE · 22 min old
Ceiling 4,200 ft, visibility 10 SM, rain.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KSZT
WIND
180@5
steady
VISIBILITY
10 SM
16.1 km
CEILING
4,200 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 calm, temperature -2.78C. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests this afternoon rain showers, high near 55F, low near 37F, 95% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
This Afternoon Rain Showers 55/37 S 2 kt – 95%
Tuesday Rain And Snow Showers 45/37 S 5 kt – 97%
Wednesday Rain And Snow Showers 41/33 S 10 kt – 100%
Thursday Rain And Snow Showers Likely 43/31 E 1 kt – 64%
Friday Chance Snow Showers 44/30 NE 2 kt – 26%
Saturday Partly Sunny 46/31 N 1 kt – 17%
Sunday Partly Sunny 47/30 0 kt – 10%

Source: National Weather Service (office OTX). Forecast issued 2356Z.

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 D28. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 10,000 ft

15W/33W
Dimensions
10,000 x 2,000 ft
Surface
Water
RWY 15W
Traffic patternRight
RWY 33W

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
2,438 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0037Z 5:37 PM
Sunrise
1425Z 7:25 AM
Loggable night
0110Z (6:10 PM local) → 1353Z (6:53 AM local)
end of evening to start of morning civil twilight
Position lights required
0037Z (5:37 PM local) → 1425Z (7:25 AM local)
sunset to sunrise (91.209)
Night passenger currency
0137Z (6:37 PM local) → 1325Z (6:25 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

Tanglefoot Seaplane Base is in Cavanaugh Bay, Idaho. Field elevation 2,438 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UseOpen to the public
TypeSeaplane base
ManagerLOEL FENWICK
Manager phone208-610-2589
AttendedAPR-OCT ALL, DAWN–DUSK
CHARTS & AIRSPACE
ICAO / IATAD28
SectionalGREAT FALLS
Center (ARTCC)SEATTLE
Flight service (AFSS)BOISE
RegionIdaho
CountryUnited States
Coordinates48.5389, -116.8320
Distance from city1 NM NW
SERVICES & LIGHTING
Control towerNon-towered
CTAF122.900
FREQUENCIES

Communications

122.900
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

D28 has no on-field report. Nearest reporting station: KSZT (18 NM SE, VFR).

AIRPORT REMARKS

Operational remarks

›FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
›PRVDD ACFT OPERATING AT TANGLEFOOT SPB MONITOR 122.9 & ANNOUNCE INTENTIONS & ESTABLISH TFC PATTERNS THAT COINCIDE WITH CAVANAUGH BAY ARPT PATTERN.
›TIE DOWNS AVBL AT FLOATING DOCKS; ADDNL PKNG AVBL ON BEACH.
›RECOMMEND LANDING SEAPLANE RY 15; DEPARTURE SEAPLANE RY 33- WHEN WINDS PERMIT.
›CAVANAUGH BAY ARPT LCD ADJ S. LOOK OUT FOR TFC & ANNC INTNS ON CTAF.
›RWY 15/33 +5' NO WAKE BUOY LOCATED IN LANDING AERA
FREQUENTLY ASKED
Does D28 have a METAR?
No on-field METAR is issued for D28. This page uses the nearest reporting station as a reference.
Does D28 have a TAF?
No TAF is issued directly for D28. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at D28?
D28 sits at 2,438 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for D28?
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.