Skip to main content
CaptainsGround

Nautical glossary

MLLW

Mean Lower Low Water — the average of the lower of the two daily low waters; the chart datum for soundings on US charts.

Defined for the USCG captain’s exam · cited & verified
Every answer cited & verifiedAll 4 USCG exam modules4,000+ judge-verified questions

Related terms

AbeamAftAheadAmidshipsAsternAthwartships

Know the term? Now drill it.

No signup, no credit card — answer 5 real, cited exam questions right now.

Try 5 free questionsSee how it works
MLLW — Nautical Glossary · CaptainsGround