rough seas

Storm-tossed ocean surface

Rough seas are ocean or lake waters with strong waves and turbulent conditions, making navigation difficult or dangerous.

The phrase appears in weather reports and maritime contexts: The ferry was canceled due to rough seas.

Figuratively, rough seas describes any turbulent period: The company faces rough seas ahead.

Opposites
sea state/water surface condition

rough seascalm seas

Flat, waveless ocean

still waters · millpond · slack water · calm waters · dead calm

sailing/navigation conditions

rough seassmooth sailing

Untroubled progress forward

favorable conditions · plain sailing · safe passage

Family

rough, sea, roughly, roughness, roughen, rougher, roughest, seas, seaward

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Negative · Everyday, not technical · Rated G