KISP TAF
Terminal aerodrome forecast for Long Island MacArthur Airport (ISP · KISP), Islip, NY. Issued 6 Aug 2026 2327Z, valid 0000Z to 0000Z, decoded period by period below.
All of Long Island MacArthur Airport — runways, frequencies, charts and live weatherTAF issued 6 Aug 2026 2327Z
valid 0000Z to 0000ZTAF KISP 062327Z 0700/0724 22008KT P6SM FEW025 FEW040 FM070400 VRB04KT P6SM SCT025 FM071300 30005KT P6SM FEW030 FM071600 25008KT P6SM SCT040 FM071900 20011KT P6SM SCT050 PROB30 0719/0724 2SM TSRA BKN050CB
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0000Z to 0400Z | Initial | 220° at 8 kt | 6+ SM | Clear | Few at 2,500 ft AGL, Few at 4,000 ft AGL | VFR |
| 0400Z to 1300Z | FM | Variable at 4 kt | 6+ SM | Clear | Scattered at 2,500 ft AGL | VFR |
| 1300Z to 1600Z | FM | 300° at 5 kt | 6+ SM | Clear | Few at 3,000 ft AGL | VFR |
| 1600Z to 1900Z | FM | 250° at 8 kt | 6+ SM | Clear | Scattered at 4,000 ft AGL | VFR |
| 1900Z to 0000Z | FM | 200° at 11 kt | 6+ SM | Clear | Scattered at 5,000 ft AGL | VFR |
| 1900Z to 0000Z | PROB | Calm | 2 SM | 5,000 ft BKN | Broken at 5,000 ft AGL | IFR |
What the change groups mean
- FM
- From — a rapid, permanent change to the conditions that follow.
What the categories mean
- VFR
- Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
- IFR
- Instrument flight rules — ceiling 500 to 999 ft and/or visibility 1 to less than 3 SM.
Frequently asked
What is the current TAF for KISP?
The forecast issued 6 Aug 2026 2327Z for Long Island MacArthur Airport reads: TAF KISP 062327Z 0700/0724 22008KT P6SM FEW025 FEW040 FM070400 VRB04KT P6SM SCT025 FM071300 30005KT P6SM FEW030 FM071600 25008KT P6SM SCT040 FM071900 20011KT P6SM SCT050 PROB30 0719/0724 2SM TSRA BKN050CB
How far ahead does a TAF forecast?
A TAF covers a 24-hour period at most airports and 30 hours at larger ones, issued four times a day at 0000Z, 0600Z, 1200Z and 1800Z. It describes conditions within roughly 5 statute miles of the airport, not the surrounding area.
What do FM, BECMG and TEMPO mean?
FM (from) marks a rapid, permanent change at the stated time. BECMG (becoming) marks a gradual change over the stated window. TEMPO marks conditions expected for less than half the period, in spells of under an hour each. PROB30 and PROB40 give the probability of the conditions that follow.
More about KISP
Forecasts 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.