ESNK — Kramfors-Sollefteå Höga Kusten Airport

fog forecast & climatology · Nyland city page · full 10-year analysis →
No fog forecast feed exists for this station. September typically brings about 56 hours of dense fog here (10-year average).

Fog hours per year
340 h below CAT I minima (2016–2026 average)
Fog season
October and September
Typical fog event
~2 h once it forms (middle half 1–5 h, n=1006)
Data through
2026-08-15 · machine-readable data.json

When this airport fogs in

In a typical year Kramfors-Sollefteå Höga Kusten Airport spends 340 hours below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), concentrated in October and September. The strip above shows the hour-by-hour pattern for the current month from ten years of weather observations.

Fog season

January: ~28 hJanFebruary: ~27 hFebMarch: ~17 hMarApril: ~12 hAprMay: ~8 hMayJune: ~4 hJunJuly: ~13 hJulAugust: ~28 hAugSeptember: ~56 hSepOctober: ~60 hOctNovember: ~54 hNovDecember: ~38 hDec
Fog season runs August through March, peaking in October; fog is mostly a 9 PM–8 AM phenomenon; typically thinning out by 10 AM; a typical event lasts about 2 hours once it forms local time · 10-yr average

For flight operations

EFVS crews: the CHASE board ranks airports by live fog status, approach lighting, go-around height and flight time from your base. Forecast probabilities publish here per-airport once the calibrated model beats climatology on live verification — receipts on the scorecard. Methodology.

Sources: NOAA/NWS National Blend of Models guidance · METAR observations 2016–2026 (Iowa Environmental Mesonet) · FAA NASR. Machine access: data.json · llms.txt. Not for operational use.