Airport information
- FAA LID
- WS77
- Coordinates
- 45.6840, -92.6871
- Elevation
- 895 ft MSL
- Magnetic variation
- 1E
- Sectional chart
- GREEN BAY
- Airport use
- Private
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- GREEN BAY · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2002/11
- Distance from city
- 7 S
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-22
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:43 AM | 09:43Z |
| Sunrise | 05:21 AM | 10:21Z |
| Sunset | 09:04 PM | 02:04Z |
| Evening civil twilight Loggable night begins | 09:42 PM | 02:42Z |
Plan a flight from WS77
Traffic pattern
- Landing
- Rwy 09
- Pattern
- left (turns left)
- TPA
- 1,900 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 09 at 1,900 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 09/27
2,215 ft × 96 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Heading
- n/a
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 2,215 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| RZN · Siren | VOR-DME | 109.40 | r236° / 15.4 NM |
VFR sectional
No published instrument procedures or Chart Supplement for WS77. VFR sectional link above.
Ownership & management
Remarks FAA
- PRVDD OBST IN RY APCH SFC BE LOWERED OR REMOVED OR RELOCATE THLDS TO PROVIDE 20:1 SLOPE, AREA 125 FT EITHER SIDE RY + 200 FT OFF RY ENDS CLEAR OF OBST, AREA 60 FT EITHER SIDE RY CNTRLN + 240 FT OFF RY ENDS IS CLEAR + GRADED.
- FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
Nearby airports
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open WS77 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
About WS77
Circle T Airport (WS77) is an airport in Grantsburg, WI, at 895 ft MSL. It has 1 runway, the longest 2,215 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for WS77, refreshed from the Aviation Weather Center and FAA NASR.
Does WS77 have a control tower?
No. Circle T Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at WS77?
Circle T Airport has 1 runway; the longest is 2,215 ft. See the Runways tab for headings, surface, and lighting.
Where is WS77?
Circle T Airport is in Grantsburg, WI, at an elevation of 895 ft MSL. Coordinates: 45.6840, -92.6871.
Fly out of WS77 often?
Save WS77 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.