Fog in Esperance, WA

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 4 hours of dense fog here (10-year average).

Measured at Esperance Airport (YESP). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
YESPEsperance Airport44 h/yrclimatology

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 Esperance fogs in

Fog here concentrates in October and April — about 44 hours in a typical year at YESP, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the YESP station page.

Fog season

January: ~4 hJanFebruary: ~3 hFebMarch: ~2 hMarApril: ~6 hAprMay: ~5 hMayJune: ~3 hJunJuly: ~3 hJulAugust: ~4 hAugSeptember: ~4 hSepOctober: ~6 hOctNovember: ~2 hNovDecember: ~2 hDec
Fog season is year-round, peaking in April; fog is mostly a 2 AM–7 AM phenomenon; typically thinning out by 9 AM; a typical event lasts about 1 hour once it forms local time · 10-yr average

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