Little Clam Lake Seaplane Base (7WI1) Area Aviation Weather & Runway Winds
As of 3:53 AM CDT, Oct 28, based on the nearest station (KASX), 7WI1 is currently MVFR with winds from 210° at 5 knots, visibility 10+ statute miles, and a 1,900 ft ceiling.
Aviation weather near Little Clam Lake Seaplane Base in Clam Lake, WI, decoded from the nearest reporting station (KASX): conditions and runway crosswinds.
Little Clam Lake Seaplane Base (7WI1) is a seaplane base in Clam Lake, WI. 7WI1 has no weather station of its own. Conditions here are decoded from KASX, about 24 nm away, the nearest reporting station, and local conditions can differ. It has 2 physical runways (03W, 21W), the longest 3,500 ft. The nearest TAF is issued for KHYR.
No weather station at this airport: showing the nearest station KASX, 23.5 nm away.
Wind from the south-southwest (210°) at 5 kt, visibility 10+ statute miles, overcast at 1,900 ft, temperature 13°C (55°F), altimeter 30.03 inHg. Conditions are Marginal VFR (MVFR), ceiling 1,900 ft.
METAR KASX 280853Z AUTO 21005KT 10SM OVC019 13/11 A3003 RMK AO2 SLP172 T01280106 58000
What changed at KASX (nearest station)?
Since the 0753Z (2:53 AM CDT) report, compared automatically against the latest METAR.
No significant changes since the 0753Z (2:53 AM CDT) report, conditions are holding steady.
Current pilot readout for 7WI1
Based on the nearest station (KASX), 7WI1 is currently MVFR with winds from 210° at 5 knots, visibility 10+ statute miles, and a 1,900 ft ceiling. Density altitude is approximately 1,400 ft (field elevation 1,456 ft). 7WI1 does not publish a TAF. The nearest TAF station is KHYR, about 25 nm away.
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.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 03WFAV | 3,500 ft | WATER | 4 kt tail | 2 kt left |
| 21W | 3,500 ft | WATER | 4 kt tail | 2 kt left |
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.
Over the last 23 h: wind 5→5 kt, ceiling 1,800 ft → 1,900 ft.
7WI1 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
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 7WI1
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KASX reported mostly marginal VFR across 43 observations, with 17 flight-category changes. The strongest gust reached 15 kt, the lowest ceiling was 400 ft. Wind most often came from the NE.
Most recent change: VFR → MVFR
Most recent change: VFR → MVFR
Share of hours each runway had the most headwind. From wind reports, not ATC assignments.
- 03W/21W
- 100%
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Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit
Airport info
From the FAA airport record (cycle 2026-10-01) and OurAirports.
Services
- Attended
- Unattended
- Control tower
- None
Airport
- Type
- Seaplane base
- FAA LID
- 7WI1
- City
- Clam Lake
- State
- Wisconsin
- Country
- United States
- Elevation
- 1,456 ft
- Coordinates
- 46.1586, -90.8843
- Runways
- 2 physical runways · 2 runway ends
- Longest runway
- 3,500 ft
- Weather reporting
- Nearest station KASX
- TAF
- Nearest KHYR
- Time zone
- America/Chicago
- Next sunset
- 13h 37m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
6 airports25–50 NM
9 airports+3 more within 50 NM
50–100 NM
7 airports+1 more within 100 NM
Pilot PIREPs for Little Clam Lake Seaplane Base (7WI1)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for Little Clam Lake 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 7WI1 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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