Fog in Barter Island, AK

daily fog outlook & 2016–2026 climatology
Fog possible — NWS guidance shows a fog signal in the next 48 hours. August typically brings about 36 hours of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Barter Island Long Range Radar Station Airport (PABA). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
PABABarter Island Long Range Radar Station Airport315 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 Barter Island fogs in

Fog here concentrates in July and September — about 315 hours in a typical year at PABA, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the PABA station page.

Fog season

January: ~15 hJanFebruary: ~21 hFebMarch: ~19 hMarApril: ~26 hAprMay: ~33 hMayJune: ~41 hJunJuly: ~52 hJulAugust: ~36 hAugSeptember: ~41 hSepOctober: ~10 hOctNovember: ~8 hNovDecember: ~14 hDec
Fog season runs December through September, peaking in July; fog here can hit at any hour of the day; 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.