Fog in Tanjung Pinang-Bintan Island

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 1 hour of dense fog here (10-year average).

Measured at Raja Haji Fisabilillah International Airport (WIDN). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
WIDNRaja Haji Fisabilillah International Airport20 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 Tanjung Pinang-Bintan Island fogs in

Fog here concentrates in May and January — about 20 hours in a typical year at WIDN, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the WIDN station page.

Fog season

January: ~2 hJanFebruary: ~0 hFebMarch: ~1 hMarApril: ~2 hAprMay: ~3 hMayJune: ~1 hJunJuly: ~1 hJulAugust: ~1 hAugSeptember: ~1 hSepOctober: ~1 hOctNovember: ~1 hNovDecember: ~1 hDec
Fog season is January, April, May, peaking in May; fog is mostly a noon–1 PM phenomenon; typically thinning out by 3 PM; 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.