WxDecoder

MROC/SJO METAR & TAF Juan Santamaría International Airport

San José (Alajuela), Alajuela ProvinceElevation 3,021 ftLarge airport
CURRENT STATUS
VFR32 min old
Ceiling and visibility OK.
FLIGHT CATEGORY
VFR
CAVOK
WIND
080@4
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
DENSITY ALT
4,868 ft
+1,847 ft vs field
CURRENT METAR

Decoded observation

Observed 1500Z (9:00 AM local) · 32 min old

MROC is currently VFR. Winds are from the east at 4 knots. Ceiling and visibility are OK (CAVOK).

WIND
80° at 4 kt
Steady.
VISIBILITY
10 statute miles
16.1 km, good.
CEILING & SKY
CAVOK
Vis 10 km+, no cloud below 5,000 ft.
TEMP / DEWPOINT
26°C / 19°C
79°F / 66°F. 7°C spread.
ALTIMETER
30.09 inHg
1019 hPa, above standard.
WEATHER & HAZARDS
No significant hazards
No precipitation or obscuration reported.

Codes in this report: CAVOK

Hover or tap any group for a plain-English explanation.

TERMINAL AERODROME FORECAST

TAF timeline

Issued 1100Z (5:00 AM local) · valid to 1200Z (6:00 AM local)

MROC forecast starts VFR at 12Z. Worst period is 20Z to 23Z with VFR possible (TS, CB). Best period is 12Z to 16Z (VFR). Conditions are roughly steady over the period. Watch the TEMPO group: thunderstorms are temporarily forecast.

  • Maximum temperature 30°C expected at 1700Z on day 25.
  • Minimum temperature 19°C expected at 1000Z on day 26.
VFR
VFR
VFR
VFR
VFR
1200Z6:00 AM1648Z10:48 AM2136Z3:36 PM0224Z8:24 PM0712Z1:12 AM1200Z6:00 AM

Codes in this report: 9999 FEW BECMG TEMPO SCT

Tap any group to decode it.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Moderate

›Temporarily forecast: thunderstorm with rain (TSRA).

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Pilot weather notes

Current aviation conditions show flight category VFR, wind from 80° at 4 kt, visibility 10 SM, ceiling CAVOK. No extended National Weather Service forecast is available for this location. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

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RUNWAYS & WIND
1 runway · crosswind ranking
ON-FIELD METAR
NESW0725 80°80°4 kt80°80° 480°
READING THE BARB · SWIPE FOR MORE →
Calm
5 kt
10 kt
15 kt
20 kt
25 kt
30 kt
35 kt
40 kt
45 kt
50 kt
65 kt
75 kt
100 kt
105 kt
Half feather = 5 kt, full = 10 kt, filled pennant = 50 kt; add them up. The staff points the direction the wind blows from.
WIND USED
080° at 4 kt
Components computed from the current on-field METAR wind.
RECOMMENDED
RWY 074 kt headwind · 1 kt crosswind
RUNWAYS BY WIND · best end
07
HEAD
4 kt
CROSS
1 kt R
BEST
25
HEAD
4 kt tail
CROSS
1 kt L
OK
Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.
RUNWAYS

Runway detail

07/25
Dimensions
9,882 x 151 ft
Surface
ASP
Lighting
Lighted
FIELD CONDITIONS

Performance & density altitude

Density altitude
4,868 ft
Pressure altitude
2,851 ft
Field elevation
3,021 ft MSL
Temperature
26°C (79°F)
Dewpoint
19°C (66°F)
Altimeter
30.09 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2315Z 5:15 PM
Sunrise
1126Z 5:26 AM
Loggable night
2337Z (5:37 PM local) → 1104Z (5:04 AM local)
end of evening to start of morning civil twilight
Position lights required
2315Z (5:15 PM local) → 1126Z (5:26 AM local)
sunset to sunrise (91.209)
Night passenger currency
0015Z (6:15 PM local) → 1026Z (4:26 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Juan Santamaría International Airport is in San José (Alajuela), Alajuela Province. Field elevation 3,021 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
UseScheduled service
TypeLarge airport
Airline serviceYes
CHARTS & AIRSPACE
ICAO / IATAMROC / SJO
RegionAlajuela Province
CountryCosta Rica
Coordinates9.9939, -84.2088
SERVICES & LIGHTING
Control towerTowered
FREQUENCIES

Communications

119.6
COCO CON
ACC
120.5
COCO APP
APP
121.3
CLNC
CLD
121.9
GND
GND
126.8
COCO RDO
RDO
118.6
COCO TWR
TWR

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

MRPV Tobías Bolaños International Airport
5 NM SE
VFR
OFFICIAL LINKS & SOURCES
↗Official METAR on AviationWeather.gov
↗Official airport website
↗Wikipedia
↗MROC on OurAirports
FREQUENTLY ASKED
Does MROC have a METAR?
Yes. MROC has a current METAR observation, decoded into plain English on this page.
Does MROC have a TAF?
Yes, a TAF is issued for MROC; the decoded forecast timeline is shown above.
What is the field elevation at MROC?
MROC sits at 3,021 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for MROC?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.