KACK METAR

Current observed weather at Nantucket Memorial (ACK · KACK), Nantucket, MA, elevation 47 ft. Reported 5 Nov 2026 0653Z, decoded below with the past 24 hours of observations. · Open on the map

All of Nantucket Memorial — runways, frequencies, charts and live weather

METAR observed 5 Nov 2026 0653Z

VFR
METAR KACK 050653Z AUTO 22006KT 10SM CLR 13/13 A3003 RMK AO2 SLP170 T01280128 $
Wind
220° at 6 kt
Visibility
10+ SM
Ceiling
Clear
Temp / Dewpoint
13° / 13°C
Altimeter
30.03"

Times are UTC (Zulu), as they appear in the report.

Remarks

4 groups after RMK, decoded per FMH-1 §12.7

Routine station data: sea level pressure 1017.0 hPa, temperature 12.8°C, dew point 12.8°C.

CodeMeaningKind
SLP170Sea level pressure 1017.0 hPaMeasurement
T01280128Temperature 12.8°C, dew point 12.8°CMeasurement
AO2Automated station with a precipitation sensorStation
$Station is due for maintenanceStation

What it says

FieldValueWhat that means
Flight categoryVFRVisual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
Wind220° at 6 ktDirection is degrees true, as reported.
Visibility10+ SM10 SM is the maximum an automated US station reports; it means 10 or greater.
CeilingUnlimitedNo broken, overcast or obscured layer reported.
SkyClear below 12,000 ft—
Temperature13°C (55°F)—
Dewpoint13°C (55°F)—
Temp/dewpoint spread0°CA spread of 2°C or less favours fog or low stratus forming.
Altimeter30.03 inHgSet this in the Kollsman window; it is the field’s current sea level pressure setting.
VFRMVFRIFRLIFRhover for the full observation
Flight category
03:0009:0015:0021:0002:00
Wind · kt (gust shading)
Ceiling · ft (log scale, ▲ = unlimited)
Visibility · SM
All 24 stored observations time · category · wind · visibility · ceiling · temp
TimeCategoryWindVisibilityCeilingTemp
0753Z VFR 240° at 7 kt 10+ SM Clear 12°C
0853Z VFR 220° at 5 kt 10+ SM Clear 12°C
0953Z VFR 250° at 7 kt 10+ SM Clear 12°C
1053Z VFR 250° at 9 kt 10+ SM Clear 13°C
1153Z VFR 230° at 5 kt 10+ SM Clear 14°C
1153Z VFR 230° at 5 kt 10+ SM Clear 14°C
1353Z VFR 220° at 7 kt 10+ SM Clear 16°C
1453Z VFR 240° at 11 kt 10+ SM Clear 18°C
1553Z VFR 230° at 11 kt 10+ SM Clear 17°C
1653Z VFR 230° at 11 kt 10+ SM Clear 17°C
1753Z VFR 240° at 11 kt 10+ SM Clear 17°C
1853Z VFR 230° at 10 kt 10+ SM Clear 17°C
1953Z VFR 210° at 10 kt 10+ SM Clear 16°C
2053Z VFR 230° at 10 kt 10+ SM Clear 15°C
2153Z VFR 240° at 8 kt 10+ SM Clear 14°C
2253Z VFR 240° at 9 kt 10+ SM Clear 14°C
2353Z VFR 230° at 8 kt 10+ SM Clear 13°C
0053Z VFR 230° at 9 kt 10+ SM Clear 14°C
0153Z VFR 230° at 8 kt 10+ SM Clear 14°C
0253Z VFR 230° at 9 kt 10+ SM Clear 15°C
0353Z VFR 230° at 8 kt 10+ SM Clear 15°C
0353Z VFR 230° at 8 kt 10+ SM Clear 15°C
0553Z VFR 230° at 7 kt 10+ SM Clear 14°C
0653Z VFR 220° at 6 kt 10+ SM Clear 13°C

Frequently asked

What is the current METAR at KACK?

The 5 Nov 2026 0653Z observation at Nantucket Memorial reads: METAR KACK 050653Z AUTO 22006KT 10SM CLR 13/13 A3003 RMK AO2 SLP170 T01280128 $ Remarks: Routine station data: sea level pressure 1017.0 hPa, temperature 12.8°C, dew point 12.8°C.

Is KACK VFR right now?

Nantucket Memorial is reporting VFR. Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.

How often is the KACK METAR updated?

Routine observations are issued hourly, usually in the 5 minutes before the hour. A SPECI is issued between them whenever conditions change significantly — a ceiling or visibility crossing a category threshold, a wind shift, or the onset of precipitation or a thunderstorm.

More about KACK

Observations from the US National Weather Service Aviation Weather Center. Times are UTC (Zulu). For planning and education only — always confirm with an official preflight briefing.

Something here wrong or out of date? Report a data problem.