Fog in Sandefjord(Torp)

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. August typically brings about 11 hours of dense fog here (10-year average).

Measured at Sandefjord Airport; Torp (ENTO). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
ENTOSandefjord Airport; Torp336 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 Sandefjord(Torp) fogs in

Fog here concentrates in February and March — about 336 hours in a typical year at ENTO, usually lasting ~2 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the ENTO station page.

Fog season

January: ~38 hJanFebruary: ~66 hFebMarch: ~62 hMarApril: ~21 hAprMay: ~14 hMayJune: ~8 hJunJuly: ~9 hJulAugust: ~11 hAugSeptember: ~25 hSepOctober: ~20 hOctNovember: ~30 hNovDecember: ~32 hDec
Fog season runs September through April, peaking in February; fog is mostly a 10 PM–9 AM phenomenon; 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.