SkyReady

KNUC TAF

Terminal aerodrome forecast for San Clemente Island Nalf (NUC · KNUC), San Clemente Island, CA. Issued 5 Nov 2026 0100Z, valid 2300Z to 2300Z, decoded period by period below. · Open on the map

All of San Clemente Island Nalf — runways, frequencies, charts and live weather

TAF amended · issued 5 Nov 2026 0100Z

valid 2300Z to 2300Z

LAST NO AMDS 0501 NEXT 0515 Last forecast: no amendments after 0100Z on the 5th; next forecast 1500Z on the 5th

COR 0110 Corrected at 0110Z

TAF COR KNUC 050100Z 0423/0523 27012KT 9999 FEW025 QNH2989INS FM050300 VRB06KT 9999 BKN025 QNH2988INS TEMPO 0510/0515 6000 BR LAST NO AMDS 0501 NEXT 0515 TX22/0521Z TN17/0515Z COR 0110 FS30226

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

Period by period

Period (UTC)ChangeWindVisCeilingSkyCat
2300Z to 0300ZInitial270° at 12 kt6+ SMClearFew at 2,500 ft AGLVFR
  • QNH2989INS Lowest altimeter setting 29.89 inHg
0300Z to 2300ZFMVariable at 6 kt6+ SM2,500 ft BKNBroken at 2,500 ft AGLMVFR
  • QNH2988INS Lowest altimeter setting 29.88 inHg
1000Z to 1500ZTEMPO302° at 26 kt3.75 SMClearNo cloud forecastMVFR
    Forecast notes
    • TX22/0521Z Maximum temperature 22°C at 2100Z on the 5th
    • TN17/0515Z Minimum temperature 17°C at 1500Z on the 5th
    • FS30226 Not decoded

    What the change groups mean

    FM
    From — a rapid, permanent change to the conditions that follow.
    TEMPO
    Temporary — expected for less than half the period, in spells under an hour.

    What the categories mean

    VFR
    Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
    MVFR
    Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.

    Frequently asked

    What is the current TAF for KNUC?

    The forecast issued 5 Nov 2026 0100Z for San Clemente Island Nalf reads: TAF COR KNUC 050100Z 0423/0523 27012KT 9999 FEW025 QNH2989INS FM050300 VRB06KT 9999 BKN025 QNH2988INS TEMPO 0510/0515 6000 BR LAST NO AMDS 0501 NEXT 0515 TX22/0521Z TN17/0515Z COR 0110 FS30226

    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 KNUC

    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.

    Something here wrong or out of date?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