Fog in Myrtle Beach, SC

daily fog outlook & 2016–2026 climatology
No fog signal in NWS guidance for the next 48 hours. August typically brings about 1 hour of dense fog here.forecast cycle 2026-08-16T00:00:00Z · page rebuilt daily · live layers below update hourly

Measured at Myrtle Beach International Airport (KMYR). This station is in forecast verification — percentages publish when it clears the accuracy bar.

Measuring station

stationairportfog hours/yrforecast
KMYRMyrtle Beach International Airport21 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 Myrtle Beach fogs in

Fog here concentrates in February and December — about 21 hours in a typical year at KMYR, usually lasting ~1 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the KMYR station page.

Fog season

January: ~4 hJanFebruary: ~7 hFebMarch: ~2 hMarApril: ~0 hAprMay: ~0 hMayJune: ~0 hJunJuly: ~0 hJulAugust: ~1 hAugSeptember: ~0 hSepOctober: ~0 hOctNovember: ~1 hNovDecember: ~5 hDec
Fog season runs December through March, peaking in February; fog is mostly a 3 AM–8 AM phenomenon; typically thinning out by 10 AM; 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.