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Quams Marina Seaplane Base (99C) Area Aviation Weather & Runway Winds

As of 5:53 AM CDT, Oct 28, based on the nearest station (KMSN), 99C is currently VFR with calm winds, visibility 10+ statute miles, and no ceiling reported.

Aviation weather near Quams Marina Seaplane Base in Stoughton, WI, decoded from the nearest reporting station (KMSN): conditions and runway crosswinds.

Quams Marina Seaplane Base (99C) is a seaplane base in Stoughton, WI. 99C has no weather station of its own. Conditions here are decoded from KMSN, about 12 nm away, the nearest reporting station, and local conditions can differ. It has 2 physical runways (ALL, WAY), the longest 15,000 ft. The nearest TAF is issued for KMSN.

Ask ATIS AIAsk anything about 99C's weather, runways or delays, or search another airport.
VFR
Observed 1053Z (5:53 AM CDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KMSN, 11.7 nm away.

Wind
Calm
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
30.16"
Temp / Dew
48°F / 9°C
dew 46°F / 8°C

Wind calm, visibility 10+ statute miles, no cloud data, temperature 9°C (48°F), altimeter 30.16 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KMSN 281053Z 00000KT 10SM CLR 09/08 A3016 RMK AO2 SLP216 T00890078 $

What changed at KMSN (nearest station)?

Since the 0953Z (4:53 AM CDT) report, compared automatically against the latest METAR.

  • Temperature–dewpoint spread narrowed to 1°C. Watch for fog or low cloud.
  • Wind speed down from 6 to 0 kt.

Current pilot readout for 99C

Based on the nearest station (KMSN), 99C is currently VFR with calm winds, visibility 10+ statute miles, and no ceiling reported. Density altitude is approximately 0 ft (field elevation 843 ft). Review the latest TAF below for forecast changes before departure.

New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →

Runway wind check

Estimated head/tailwind and crosswind for each runway end from the current reported wind.

Current wind is calm: calm wind is not a factor for runway selection, and with no wind there is no head/tail or crosswind component to compute. Live numbers return automatically once a report includes a wind direction.

RunwayHead / TailCrosswind
ALL--
WAY--

Open the crosswind calculator to try your own wind and runway numbers →

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
061211Z23Z10Z

Over the last 23 h: wind 4→0 kt, ceiling 16,000 ft → unlimited.

99C weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap

NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.

Recent aviation weather trends at 99C

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KMSN reported mostly VFR across 24 observations, with 0 flight-category changes. The lowest ceiling was 11,000 ft. Wind most often came from the S.

Last 24 hours
VFR 100%
Wind avg/max: 5/9 kt
Max gust: -
Lowest ceiling: 11,000 ft
Lowest vis: -
Prevailing wind: S
Category changes: 0
Last 7 days
VFR 93%MVFR 7%
Wind avg/max: 5/13 kt
Max gust: 17 kt
Lowest ceiling: 2,600 ft
Lowest vis: 4 sm
Prevailing wind: S
Category changes: 5

Most recent change: MVFR → VFR

Wind-favored runway - past 30 days

Share of hours each runway had the most headwind. From wind reports, not ATC assignments.

ALL/WAY
100%

TAF | Terminal Aerodrome Forecast

Issued 0850Z (3:50 AM CDT)

TAF KMSN 280850Z 2809/2906 19005KT P6SM SKC FM281600 19010G18KT P6SM SKC FM290400 20012G21KT 5SM -SHRA BKN150

New to TAFs? How to read one →

Get 99C weather alerts in Telegram

Stop refreshing aviation weather manually. Track 99C in ATIS Alerts and get notified when a new METAR changes the picture: a category drop, or wind and ceiling moving toward your minimums.

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Field aerial

North up

Aerial photo of Quams Marina Seaplane Base (99C)
N ↑

Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit

Airport info

Reference data from the OurAirports dataset.

Type
Seaplane base
FAA LID
99C
City
Stoughton
State
Wisconsin
Country
United States
Elevation
843 ft
Coordinates
42.9511, -89.2710
Runways
2 physical runways · 2 runway ends
Longest runway
15,000 ft
Weather reporting
Nearest station KMSN
TAF
Nearest KMSN
Time zone
America/Chicago
Next sunset
11h 57m

Run a flight school, FBO, or club here? Embed 99C's live status on your website, free →

Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

RC flying fields nearby

AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.

All RC flying fields →

See all Wisconsin airports →

Pilot PIREPs for Quams Marina Seaplane Base (99C)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for Quams Marina Seaplane Base, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.

⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.

No Pilot PIREPs have been submitted for 99C yet. Recently flew here? Help the next pilot by leaving a quick airport note.

Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.

⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.

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