// Station · 12m ago
KMTH
Florida Keys Marathon International Airport
CAT VFR
WIND 110° / 7 kt
VIS 10+ SM
CEILING CLR
T/Td 29.4°C / 24.4°C
ALTIM 30.14 inHg
ELEV 5 FT
24.7260°N / 81.0514°W
LOCATION · Marathon, US
WIND
110°7 kt
KMTH · 5 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 14Z
+6H
+12H
+18H
WIND
110°/7
VIS
10+ SM
CEILING
CLR
LAYERS
—
T / Td
29 / 24
ALTIM
30.14"
// Interpretation
VFR with light winds at 110°/7 kt. Visibility better than 10 statute miles and no reported cloud layers. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.
Loading TAF forecast narrative…
// Want this glance-able on 10 airports? METAR Deck →// Raw observation METAR string + decoded
METAR KMTH 111453Z AUTO 11007KT 10SM CLR 29/24 A3014 RMK AO2 SLP205 T02940244 53018 $
KMTH · day 11 at 14:53 UTC · wind from 110° at 7 kt · visibility 10+ SM · temp 29°C / dewpoint 24°C · altimeter 30.14" Hg · automated station w/ precipitation discriminator · sea-level pressure 1020.5 mb
// Runway analysis · computed from current METAR wind
Wind 110° @ 7 kt
1 USABLE · 1 AVOID
WIND
110°7 kt
HEADWIND
CAUTION · HIGH XW
AVOID · TAILWIND
HEADWIND ENDS
1 usable
07★
HDG 070°
H5 kt
X4 kt RIGHT
PRIMARY · 5,008'
TAILWIND ENDS · AVOID
1 ends
25
HDG 250°
T5 kt
X4 kt LEFT
—
Pattern altitude: 1,005 ft MSL (1,000 ft AGL).
Verify pattern direction and altitude with the chart supplement before flying.
// On calm winds (<3 kt), all runways are usable — favor the longest or whatever the pattern calls for.
// Density altitude · ISA +14°C
1,500FT
+1,495 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↘ -300 FT
24h AGO18h12h6hNOW
FIELD ELEV5 FT
OAT+29°C
ISA DELTA+14°C
PRESSURE ALT-216 FT
// Performance equivalent
Operating here right now feels like operating at K49A
(Gilmer County Airport, Ellijay, elev 1,486 ft)
on a standard ISA day.
// Aircraft performance impact
MINOR
TAKEOFF ROLL
CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+15%
-11%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+11%
-7%
Light jetCJ4, Phenom 300, M2
+6%
-5%
Approximate using ~10% perf loss / 1,000 ft DA for normally aspirated, scaled by powerplant type. Verify with your aircraft's POH for accurate numbers — especially above 5,000 ft DA where these rules of thumb diverge.
// Cloud layers · clear · no layers reported
// Sun & Moon · times in Z · bar = local day (UTC-5)
10:43ZSUNRISE
17:30ZSOLAR NOON
00:17ZSUNSET
00:43ZCIVIL END
CURRENT15:05Z
DAYLIGHT REMAINING9h 12m
VFR NIGHT BEGINS00:43Z (9h 37m)
DAY LENGTH13h 34m
Waning Crescent
ILLUMINATION11%
MOONRISE08:09Z
MOONSET21:43Z
FULL MOON IN18 days
// Nearest reporting stations · 3 shown · 60 NM radius
KNQX
VFR
Naval Air Station Key West/Boca Chica Field · Key West
- WIND
- 100° / 11 kt
- VIS
- 10+ SM
- CEILING
- BKN150
- DIST
- 36 NM W
- AGE
- 12m ago
KEYW
VFR
Key West International Airport · Key West
- WIND
- 100° / 7 kt
- VIS
- 10+ SM
- CEILING
- OVC050
- DIST
- 40 NM W
- AGE
- 12m ago
KHST
VFR
Homestead Air Reserve Base · Homestead
- WIND
- 090° / 7 kt
- VIS
- 10+ SM
- CEILING
- BKN200
- DIST
- 58 NM NE
- AGE
- 1h 10m ago
// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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