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LOPEZ ISLAND - Airport Diagram
LiveATC.net: Live Air Traffic - From Their Headsets to You

S31
Local S31
LOPEZ ISLAND
PublicPUB

3 miles N of LOPEZ, WA, US
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LiveATC.net: Live Air Traffic - From Their Headsets to You
Status
Operational
Coordinates
48° 29' 02"N 122° 56' 16"W
Elevation
209' MSL
Pattern Alt
1209' MSL
Mag Variation
16°E
Declination
21°E
Fuel
None Listed
FSS
SEATTLE (SEA)
Sectional
SEATTLE
ARTCC
SEATTLE (ZSE)
Data Effective
2/19/26-3/19/26
KS31 VFR
3:55 AM PST  
Light Rain
No Clouds
7sm
48°F
48°F
29.78"Hg
VRB° 3kts
AO2 P0002 60004 70004 T00900088 10095 20087 58023
METAR KS31 041155Z AUTO VRB03KT 7SM -RA 09/09 A2978 RMK AO2 P0002 60004 70004 T00900088 10095 20087 58023
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S31 FBOs

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Weather and Advisory

AWOS-3P 118.525
(360) 376-2071, (SECOND_PHONE_NO) THIS AWOS DOES NOT HAVE AN ASSOCD FONE NR.; (PHONE_NO) THIS AWOS DOES NOT HAVE AN ASSOCD FONE NR.

Common

CTAF 128.25

FAA A/FD Pages

Terminal Area Forecast

KNUW (13nm)
Tue, 3/3 11:33 PM PST
Tue, 3/3 11:00 PM PST - Wed, 3/4 11:00 PM PST
MVFR
Temporary 11:00 PM PST - 1:00 AM PST
Light Showers and Rain
Overcast 2,500'
Broken 1,000'
5.59sm
150° 18kts
Gusts 25kts
MVFR
11:00 PM PST - 1:00 AM PST
Showers in vicinity
Overcast 5,000'
Broken 3,000'
Few 1,000'
6sm
29.79"Hg
150° 13kts
Gusts 20kts
Moderate, In Cloud, Occasional: up to 9,000'
IFR
Temporary 1:00 AM PST - 7:00 AM PST
Heavy Showers and Rain
Overcast 600'
1.99sm
160° 20kts
Gusts 30kts
IFR
1:00 AM PST - 12:00 PM PST
Light Showers and Rain
Overcast 1,300'
Broken 600'
3.73sm
29.76"Hg
160° 18kts
Gusts 25kts
Moderate, In Cloud, Occasional: up to 9,000'
VFR
12:00 PM PST - 6:00 PM PST
Broken 10,000'
Broken 5,000'
Scattered 1,500'
6sm
29.91"Hg
270° 8kts
Gusts 15kts
Moderate, In Cloud, Occasional: up to 9,000'
MVFR
6:00 PM PST - 11:00 PM PST
Light Showers and Rain
Overcast 4,000'
Broken 1,500'
5.59sm
29.91"Hg
270° 22kts
Gusts 34kts
Moderate, In Cloud, Occasional: up to 9,000'
TAF KNUW 0407/0507 15013G20KT 9999 VCSH FEW010 BKN030 OVC050 540009 QNH2980INS
   TEMPO 0407/0409 15018G25KT 9000 -SHRA BKN010 OVC025
   FM040900 16018G25KT 6000 -SHRA BKN006 OVC013 540009 QNH2976INS
   TEMPO 0409/0415 16020G30KT 3200 +SHRA OVC006
   FM042000 27008G15KT 9999 SCT015 BKN050 BKN100 540009 QNH2990INS
   FM050200 27022G34KT 9000 -SHRA BKN015 OVC040 540009 QNH2992INS TX12/0423Z TN02/0413Z FS30226
S31
EffectiveExpiresCategoryNOTAM
Domestic
2/24/26
2219Z
3/28/26
2359Z
!SEA 02/289 S31 SVC AUTOMATED WX BCST SYSTEM CEILING UNREL 2602242219-2603282359
No
UNATNDD
PORT OF LOPEZ
PO BOX 907
LOPEZ, WA 98261
Phone: 360-468-4116
WIL CATLIN
PO BOX 907
LOPEZ, WA 98261
Phone: 360-468-4116
SEATTLE FSS (SEA)
Toll Free: 1-800-WX-BRIEF
SEA
--
--
N/A
Yes - Lighted
Yes
Yes
Tie-Down
NOT a Landing Rights Airport
NOT an Airport of Entry
None
None
None
None
Air Freight
Charter Service

Runway 16/34

2905 ft. x 61 ft.
ASPH  
Good 
GRVD 
MED 
 
12,000lbs 
-- 
-- 
-- 
  Runway 16 Runway 34
True Heading 180°0°
Traffic Pattern Right
Markings BSC BSC
Markings Condition FAIR FAIR
Latitude 48° 29' 16"N 48° 28' 48"N
Longitude 122° 56' 16"W 122° 56' 16"W
Elevation 209' 163'
Threshold Crossing Height 43 ft. AGL 33 ft. AGL
Visual Glide Path Angle 4° 4°
Visual Slope Indicator P2L P2L
Approach Lights
Centerline Lights
Runway End Identifier Lights Yes Yes
A110-1RY 16/34 SOFT SHOULDERS & THLDS.
A110-3FOR CD CTC WHIDBEY APCH AT 360-257-3310.
A40-16/34TWY MARKED WITH REFLECTORS.
E111ESTABD PRIOR TO 1959.
LOPEZ ISLAND (IATA: S31) is a public airport located in LOPEZ, WA, US.