CYZT — Port Hardy Airport

fog forecast & climatology · Port Hardy city page · full 10-year analysis →
Fog possible — NWS guidance shows a fog signal in the next 48 hours. September typically brings about 16 hours of dense fog here.forecast cycle 2026-09-04T13:00:00Z · page rebuilt daily · live layers below update hourly

Fog hours per year
55 h below CAT I minima (2016–2026 average)
Fog season
September and August
Typical fog event
~2 h once it forms (middle half 1–3 h, n=257)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Port Hardy Airport spends 55 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in September and August. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~1 hJanFebruary: ~0 hFebMarch: ~1 hMarApril: ~0 hAprMay: ~2 hMayJune: ~4 hJunJuly: ~7 hJulAugust: ~13 hAugSeptember: ~16 hSepOctober: ~11 hOctNovember: ~1 hNovDecember: ~0 hDec
Fog season runs June through October, peaking in September; fog is mostly a 4 AM–10 AM phenomenon; typically thinning out by noon; a typical event lasts about 2 hours once it forms local time · 10-yr average

For flight operations

EFVS crews: the CHASE board ranks airports by live fog status, approach lighting, go-around height and flight time from your base. Forecast probabilities publish here per-airport once the calibrated model beats climatology on live verification — receipts on the scorecard. Methodology.

Sources: NOAA/NWS National Blend of Models guidance · METAR observations 2016–2026 (Iowa Environmental Mesonet) · FAA NASR. Machine access: data.json · llms.txt. Not for operational use.