WxDecoder

11WN Weather Diedrich Seaplane Base

Lodi, WisconsinElevation 774 ftSeaplane base
OFF-FIELD REFERENCE
Nearest report: KMSN · 16 NM SE · 42 min old
Ceiling 23,000 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KMSN
WIND
330@4
steady
VISIBILITY
10 SM
16.1 km
CEILING
23,000 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 340° at 3 kt, visibility 10 SM, temperature 14.3C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 48F, 4% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Thursday: Showers And Thunderstorms Likely. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 48 N 4 kt – 4%
Monday Mostly Cloudy 57/44 NE 9 kt – 10%
Tuesday Partly Sunny 67/53 SE 9 kt – 16%
Wednesday Slight Chance Rain Showers then Mostly Sunny 73/55 S 9 kt – 60%
Thursday Showers And Thunderstorms Likely 72/50 SW 4 kt – 60% Thunderstorms in the forecast
Friday Chance Rain Showers 70/53 SE 4 kt – 51%
Saturday Chance Rain Showers 69/52 SE 9 kt – 53%
Sunday Chance Rain Showers 66 W 4 kt – 32%

Source: National Weather Service (office MKX). Forecast issued 0235Z.

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 11WN. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

2 runways · longest 3,000 ft

17W/35W
Dimensions
1,800 x 350 ft
Surface
Water
RWY 17W
RWY 35W
09W/27W
Dimensions
3,000 x 350 ft
Surface
Water
RWY 09W
RWY 27W

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
774 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2259Z 5:59 PM
Sunrise
1225Z 7:25 AM
Loggable night
2329Z (6:29 PM local) → 1156Z (6:56 AM local)
end of evening to start of morning civil twilight
Position lights required
2259Z (5:59 PM local) → 1225Z (7:25 AM local)
sunset to sunrise (91.209)
Night passenger currency
2359Z (6:59 PM local) → 1125Z (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

Diedrich Seaplane Base is in Lodi, Wisconsin. Field elevation 774 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSeaplane base
ManagerLAWRENCE F. DIEDRICH
Manager phone608-592-3519
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA11WN
SectionalCHICAGO
Center (ARTCC)CHICAGO
Flight service (AFSS)GREEN BAY
RegionWisconsin
CountryUnited States
Coordinates43.3542, -89.5712
Distance from city3 NM NW
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

11WN traffic patterns

2026-06-19 to 2026-10-18, 4 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
0
AVG OPS/DAY
1
Activity trend over 2 days: flat, from 1 to 1 operations per dayOperations trend (2 days)

Busiest day: Fri · Busiest month: Jun

FLEET MIX
Piston single 100%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›C172 (Piston single) · ~1 landings/mo
›AA5 (Piston single) · ~0 landings/mo
›C72R (Piston single) · ~0 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly single-engine piston aircraft.

›C172 (Piston single)

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

11WN has no on-field report. Nearest reporting station: KMSN (16 NM SE, VFR).

KMSN Dane County Regional Truax Field
16 NM SE
VFR
KLNR Tri-County Regional Airport
28 NM W
VFR
KUNU Dodge County Airport
38 NM E
VFR
KVOK Volk Field
46 NM NW
VFR
KJVL Southern Wisconsin Regional Airport
50 NM SE
VFR
KFLD Fond du Lac County Airport
53 NM NE
VFR
AIRPORT REMARKS

Operational remarks

›PRVDD ACFT OPNS FOR 09/27 FLY N OF THAT SEALANE; TFC OPNS FOR 17/35 FLY E OF THAT SEALANE.
›FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗11WN on OurAirports
FREQUENTLY ASKED
Does 11WN have a METAR?
No on-field METAR is issued for 11WN. This page uses the nearest reporting station as a reference.
Does 11WN have a TAF?
No TAF is issued directly for 11WN. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 11WN?
11WN sits at 774 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 11WN?
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.