Fog in Tan Tan

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 40 hours of dense fog here (10-year average).

Measured at Tan Tan Airport (GMAT). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
GMATTan Tan Airport147 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 Tan Tan fogs in

Fog here concentrates in August and January — about 147 hours in a typical year at GMAT, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the GMAT station page.

Fog season

January: ~21 hJanFebruary: ~12 hFebMarch: ~5 hMarApril: ~4 hAprMay: ~4 hMayJune: ~2 hJunJuly: ~6 hJulAugust: ~40 hAugSeptember: ~6 hSepOctober: ~15 hOctNovember: ~14 hNovDecember: ~10 hDec
Fog season is January, February, August, October, November, December, peaking in August; fog is mostly a 2 AM–2 AM phenomenon; typically thinning out by 3 AM; 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.