Fog in Port Hardy, BC

daily fog outlook & 2016–2026 climatology
Fog possible — NWS guidance shows a fog signal in the next 48 hours. August typically brings about 13 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Port Hardy Airport (CYZT). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
CYZTPort Hardy Airport55 h/yrverifying

Fog is measured where instruments live — airports. Hours/yr = time below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), the aviation definition of seriously dense fog.

When Port Hardy fogs in

Fog here concentrates in September and August — about 55 hours in a typical year at CYZT, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the CYZT station page.

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

Machine access: data.json · llms.txt · forecast verification. Not for operational use.